Summary

be6b1d2c2d620cef_Windowsdef.txt

File be6b1d2c2d620cef_Windowsdef.txt

Summary
Download Resubmit sample

Size 2.0MB
Type PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, UPX compressed
MD5 f70f60158459bb96edd72d91a1cee472
SHA1 90276e1a393ddb992c987e689c0bc77f016e5899
SHA256 be6b1d2c2d620cef8d00c05bb914bc68fa81d3fa93a01e63fcf48833a1059961
SHA512
8f6c4cfd9bcfac68a65a83e7f457bdbb8db077941d3d234bbf3ebba26b993676b87ac631af043ca3047fe6a2da647c03d656628fabd9507cbeed20c4d12541b0
CRC32 92CF2D7F
ssdeep None
Yara
  • suspicious_packer_section - The packer/protector section names/keywords
  • SEH__vba - (no description)

Score

This file is very suspicious, with a score of 10 out of 10!

Please notice: The scoring system is currently still in development and should be considered an alpha feature.

Autosubmit

Parent_Task_ID:6660507

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Information on Execution

Analysis
Category Started Completed Duration Routing Logs
FILE July 8, 2025, 4:17 p.m. July 8, 2025, 4:25 p.m. 447 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-07-07 15:01:29,015 [analyzer] DEBUG: Starting analyzer from: C:\tmp564etj
2025-07-07 15:01:29,015 [analyzer] DEBUG: Pipe server name: \??\PIPE\DLzaDCfSbIyOmOwNTwKMGEG
2025-07-07 15:01:29,015 [analyzer] DEBUG: Log pipe server name: \??\PIPE\mVakwNJSZxvgYxQz
2025-07-07 15:01:29,015 [analyzer] DEBUG: No analysis package specified, trying to detect it automagically.
2025-07-07 15:01:29,030 [analyzer] INFO: Automatically selected analysis package "exe"
2025-07-07 15:01:29,390 [analyzer] DEBUG: Started auxiliary module Curtain
2025-07-07 15:01:29,390 [analyzer] DEBUG: Started auxiliary module DbgView
2025-07-07 15:01:29,983 [analyzer] DEBUG: Started auxiliary module Disguise
2025-07-07 15:01:30,203 [analyzer] DEBUG: Loaded monitor into process with pid 508
2025-07-07 15:01:30,203 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-07-07 15:01:30,203 [analyzer] DEBUG: Started auxiliary module Human
2025-07-07 15:01:30,217 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-07-07 15:01:30,217 [analyzer] DEBUG: Started auxiliary module Reboot
2025-07-07 15:01:30,312 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-07-07 15:01:30,312 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-07-07 15:01:30,312 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-07-07 15:01:30,312 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-07-07 15:01:30,546 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\be6b1d2c2d620cef_Windowsdef.txt' with arguments '' and pid 1928
2025-07-07 15:01:30,765 [analyzer] DEBUG: Loaded monitor into process with pid 1928
2025-07-07 15:01:30,858 [analyzer] INFO: io=NULL
2025-07-07 15:01:30,858 [analyzer] DEBUG: Error resolving function vbscript!COleScript_Compile through our custom callback.
2025-07-07 15:01:30,858 [analyzer] INFO: io=NULL
2025-07-07 15:01:30,858 [analyzer] DEBUG: Error resolving function vbscript!COleScript_Compile through our custom callback.
2025-07-07 15:01:31,108 [analyzer] INFO: Added new file to list with pid 1928 and path C:\Users\Administrator\AppData\Local\Temp\uyhZp.txt
2025-07-07 15:01:31,530 [analyzer] INFO: Injected into process with pid 1712 and name u'cmd.exe'
2025-07-07 15:01:31,703 [lib.api.process] ERROR: Failed to dump memory of 32-bit process with pid 1712.
2025-07-07 15:01:31,921 [analyzer] DEBUG: Loaded monitor into process with pid 1712
2025-07-07 15:01:32,046 [analyzer] INFO: Injected into process with pid 1120 and name u'reg.exe'
2025-07-07 15:01:32,233 [analyzer] DEBUG: Loaded monitor into process with pid 1120
2025-07-07 15:01:32,342 [analyzer] INFO: Added new file to list with pid 1928 and path C:\Users\Administrator\AppData\Roaming\Directory\Windowsdef.txt
2025-07-07 15:01:32,546 [analyzer] INFO: Process with pid 1712 has terminated
2025-07-07 15:01:33,546 [analyzer] INFO: Process with pid 1120 has terminated
2025-07-07 15:04:49,562 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-07-07 15:04:50,592 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-07-07 15:04:50,592 [lib.api.process] INFO: Successfully terminated process with pid 1928.
2025-07-07 15:04:50,592 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-07-08 16:17:33,577 [cuckoo.core.scheduler] INFO: Task #6667487: acquired machine win7x6419 (label=win7x6419)
2025-07-08 16:17:33,577 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.219 for task #6667487
2025-07-08 16:17:33,884 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 505304 (interface=vboxnet0, host=192.168.168.219)
2025-07-08 16:17:35,039 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x6419
2025-07-08 16:17:35,729 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x6419 to vmcloak
2025-07-08 16:19:52,233 [cuckoo.core.guest] INFO: Starting analysis #6667487 on guest (id=win7x6419, ip=192.168.168.219)
2025-07-08 16:19:53,242 [cuckoo.core.guest] DEBUG: win7x6419: not ready yet
2025-07-08 16:19:58,271 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x6419, ip=192.168.168.219)
2025-07-08 16:19:58,405 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x6419, ip=192.168.168.219, monitor=latest, size=6660546)
2025-07-08 16:19:59,825 [cuckoo.core.resultserver] DEBUG: Task #6667487: live log analysis.log initialized.
2025-07-08 16:20:00,981 [cuckoo.core.resultserver] DEBUG: Task #6667487 is sending a BSON stream
2025-07-08 16:20:01,574 [cuckoo.core.resultserver] DEBUG: Task #6667487 is sending a BSON stream
2025-07-08 16:20:01,968 [cuckoo.core.resultserver] DEBUG: Task #6667487: File upload for 'files/c91b07a98f7d795d_uyhZp.txt'
2025-07-08 16:20:01,972 [cuckoo.core.resultserver] DEBUG: Task #6667487 uploaded file length: 160
2025-07-08 16:20:02,266 [cuckoo.core.resultserver] DEBUG: Task #6667487: File upload for 'shots/0001.jpg'
2025-07-08 16:20:02,329 [cuckoo.core.resultserver] DEBUG: Task #6667487 uploaded file length: 133531
2025-07-08 16:20:02,683 [cuckoo.core.resultserver] DEBUG: Task #6667487 is sending a BSON stream
2025-07-08 16:20:02,994 [cuckoo.core.resultserver] DEBUG: Task #6667487 is sending a BSON stream
2025-07-08 16:20:03,199 [cuckoo.core.resultserver] DEBUG: Task #6667487: File upload for 'files/f508d536496c6d54_Windowsdef.txt'
2025-07-08 16:20:03,202 [cuckoo.core.resultserver] DEBUG: Task #6667487 uploaded file length: 3
2025-07-08 16:20:04,463 [cuckoo.core.resultserver] DEBUG: Task #6667487: File upload for 'shots/0002.jpg'
2025-07-08 16:20:04,489 [cuckoo.core.resultserver] DEBUG: Task #6667487 uploaded file length: 143097
2025-07-08 16:20:11,757 [cuckoo.core.resultserver] DEBUG: Task #6667487: File upload for 'shots/0003.jpg'
2025-07-08 16:20:11,779 [cuckoo.core.resultserver] DEBUG: Task #6667487 uploaded file length: 142097
2025-07-08 16:20:14,535 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6667487 still processing
2025-07-08 16:20:29,648 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6667487 still processing
2025-07-08 16:20:45,060 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6667487 still processing
2025-07-08 16:21:00,147 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6667487 still processing
2025-07-08 16:21:15,233 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6667487 still processing
2025-07-08 16:21:30,316 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6667487 still processing
2025-07-08 16:21:45,425 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6667487 still processing
2025-07-08 16:22:00,517 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6667487 still processing
2025-07-08 16:22:15,735 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6667487 still processing
2025-07-08 16:22:30,848 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6667487 still processing
2025-07-08 16:22:45,942 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6667487 still processing
2025-07-08 16:23:01,054 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6667487 still processing
2025-07-08 16:23:16,276 [cuckoo.core.guest] DEBUG: win7x6419: analysis #6667487 still processing
2025-07-08 16:23:20,598 [cuckoo.core.resultserver] DEBUG: Task #6667487: File upload for 'curtain/1751893489.75.curtain.log'
2025-07-08 16:23:20,609 [cuckoo.core.resultserver] DEBUG: Task #6667487 uploaded file length: 36
2025-07-08 16:23:21,278 [cuckoo.core.resultserver] DEBUG: Task #6667487: File upload for 'sysmon/1751893490.44.sysmon.xml'
2025-07-08 16:23:21,441 [cuckoo.core.resultserver] DEBUG: Task #6667487 uploaded file length: 9426864
2025-07-08 16:23:21,717 [cuckoo.core.resultserver] DEBUG: Task #6667487: File upload for 'shots/0004.jpg'
2025-07-08 16:23:21,750 [cuckoo.core.resultserver] DEBUG: Task #6667487 uploaded file length: 133830
2025-07-08 16:23:21,762 [cuckoo.core.resultserver] DEBUG: Task #6667487 had connection reset for <Context for LOG>
2025-07-08 16:23:22,348 [cuckoo.core.guest] INFO: win7x6419: analysis completed successfully
2025-07-08 16:23:22,362 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-07-08 16:23:22,386 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-07-08 16:23:23,312 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x6419 to path /srv/cuckoo/cwd/storage/analyses/6667487/memory.dmp
2025-07-08 16:23:23,314 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x6419
2025-07-08 16:25:00,124 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.219 for task #6667487
2025-07-08 16:25:00,677 [cuckoo.core.scheduler] DEBUG: Released database task #6667487
2025-07-08 16:25:00,696 [cuckoo.core.scheduler] INFO: Task #6667487: analysis procedure completed

Signatures

Yara rules detected for file (2 events)
description The packer/protector section names/keywords rule suspicious_packer_section
description (no description) rule SEH__vba
Allocates read-write-execute memory (usually to unpack itself) (1 event)
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

 process_identifier: 1928
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x03050000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0
Command line console output was observed (4 events)
Time & API Arguments Status Return Repeated

WriteConsoleW

 buffer: C:\Users\Administrator\AppData\Local\Temp>
console_handle: 0x00000007
1 1 0

WriteConsoleW

 buffer: REG
console_handle: 0x00000007
1 1 0

WriteConsoleW

 buffer: ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "WindowsDef" /t REG_SZ /d "C:\Users\Administrator\AppData\Roaming\Directory\Windowsdef.exe" /f
console_handle: 0x00000007
1 1 0

WriteConsoleW

 buffer: The operation completed successfully.
console_handle: 0x00000007
1 1 0
The executable contains unknown PE section names indicative of a packer (could be a false positive) (1 event)
section .imports
One or more processes crashed (1 event)
Time & API Arguments Status Return Repeated

__exception__

 stacktrace: 
EbGetHandleOfExecutingProject+0x22b3 rtcPackDate-0xba9 msvbvm60+0xd0dcf @ 0x72a10dcf
rtcDoEvents+0x131 __vbaError-0x626 msvbvm60+0xce228 @ 0x72a0e228

exception.instruction_r: c9 c2 10 00 cc cc cc cc cc 8b ff 55 8b ec 56 8b
exception.symbol: RaiseException+0x58 CloseHandle-0x9 kernelbase+0xc41f
exception.instruction: leave
exception.module: KERNELBASE.dll
exception.exception_code: 0xc000008f
exception.offset: 50207
exception.address: 0x7562c41f
registers.esp: 1636700
registers.edi: 1636976
registers.eax: 1636700
registers.ebp: 1636780
registers.edx: 0
registers.ebx: 7737288
registers.esi: 1636976
registers.ecx: 2
1 0 0
A process created a hidden window (1 event)
Time & API Arguments Status Return Repeated

ShellExecuteExW

 show_type: 0
filepath_r: C:\Users\ADMINI~1\AppData\Local\Temp\uyhZp.bat
parameters:
filepath: C:\Users\Administrator\AppData\Local\Temp\uyhZp.bat
1 1 0
Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time) (1 event)
Time & API Arguments Status Return Repeated

NtProtectVirtualMemory

 process_identifier: 1928
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
length: 24576
protection: 32 (PAGE_EXECUTE_READ)
base_address: 0x003b0000
process_handle: 0xffffffff
1 0 0
The executable is compressed using UPX (2 events)
section UPX0 description Section name indicates UPX
section UPX1 description Section name indicates UPX
Uses Windows utilities for basic Windows functionality (1 event)
cmdline REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "WindowsDef" /t REG_SZ /d "C:\Users\Administrator\AppData\Roaming\Directory\Windowsdef.exe" /f
Installs itself for autorun at Windows startup (1 event)
reg_key HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\WindowsDef reg_value C:\Users\Administrator\AppData\Roaming\Directory\Windowsdef.exe
Resumed a suspended thread in a remote process potentially indicative of process injection (2 events)
Process injection Process 1928 resumed a thread in remote process 1712
Time & API Arguments Status Return Repeated

NtResumeThread

 thread_handle: 0x00000254
suspend_count: 1
process_identifier: 1712
1 0 0
File has been identified by 13 AntiVirus engine on IRMA as malicious (13 events)
G Data Antivirus (Windows) Virus: Trojan.GenericKDZ.95426 (Engine A)
Avast Core Security (Linux) Win32:Kryptik-ANO [Trj]
C4S ClamAV (Linux) Win.Packed.Manbat-6793302-0
Trellix (Linux) PWS-FCJD
WithSecure (Linux) Trojan.TR/Dropper.Gen
eScan Antivirus (Linux) Trojan.GenericKDZ.95426(DB)
ESET Security (Windows) a variant of Win32/Injector.EYU trojan
Sophos Anti-Virus (Linux) Mal/Darkeye-C
DrWeb Antivirus (Linux) Trojan.PWS.Stealer.379
ClamAV (Linux) Win.Packed.Manbat-6793302-0
Bitdefender Antivirus (Linux) Trojan.GenericKDZ.95426
Kaspersky Standard (Windows) Trojan.Win32.VBKrypt.cgnr
Emsisoft Commandline Scanner (Windows) Trojan.GenericKDZ.95426 (B)
Screenshots
Name Response Post-Analysis Lookup
No hosts contacted.
IP Address Status Action VT Location
No hosts contacted.
Cuckoo

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