Summary

fa5194f1baa0198b_javaws.exe

File fa5194f1baa0198b_javaws.exe

Summary
Download Resubmit sample

Size 1.4MB
Type PE32+ executable (GUI) x86-64, for MS Windows
MD5 367390f9987856aaed09784ed378ea54
SHA1 01a79b9e7812e667ae1c6deec83dd594d4e75200
SHA256 fa5194f1baa0198ba01da36cdf5af5f7691e65921072e44f24b90935ac196d05
SHA512
72233fd402204cd25d824de71d01507c9089c981a13b7005efa7f51e69894c9f465c04395b9aa4c89cb3ec1ab590cb1f87ea40637c333e63e67d3dc8be2538b7
CRC32 3435B292
ssdeep None
PDB Path C:\re\jdk7u71\1605\build\windows-amd64\tmp\deploy\jre-image\bin\javaws.pdb
Yara
  • anti_dbg - Checks if being debugged
  • network_tcp_socket - Communications over RAW socket
  • win_registry - Affect system registries
  • win_token - Affect system token
  • win_files_operation - Affect private profile

Score

This file is very suspicious, with a score of 9.7 out of 10!

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

Autosubmit

Parent_Task_ID:6746581

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Information on Execution

Analysis
Category Started Completed Duration Routing Logs
FILE July 23, 2025, 10:48 a.m. July 23, 2025, 10:53 a.m. 273 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-07-23 07:39:45,000 [analyzer] DEBUG: Starting analyzer from: C:\tmpwwr_kc
2025-07-23 07:39:45,000 [analyzer] DEBUG: Pipe server name: \??\PIPE\zxtoXNhVQwpYOpdNpUXucxAg
2025-07-23 07:39:45,000 [analyzer] DEBUG: Log pipe server name: \??\PIPE\cuHscxUDzXIKUyBxh
2025-07-23 07:39:45,000 [analyzer] DEBUG: No analysis package specified, trying to detect it automagically.
2025-07-23 07:39:45,015 [analyzer] INFO: Automatically selected analysis package "exe"
2025-07-23 07:39:45,296 [analyzer] DEBUG: Started auxiliary module Curtain
2025-07-23 07:39:45,296 [analyzer] DEBUG: Started auxiliary module DbgView
2025-07-23 07:39:45,828 [analyzer] DEBUG: Started auxiliary module Disguise
2025-07-23 07:39:46,046 [analyzer] DEBUG: Loaded monitor into process with pid 504
2025-07-23 07:39:46,046 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-07-23 07:39:46,046 [analyzer] DEBUG: Started auxiliary module Human
2025-07-23 07:39:46,046 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-07-23 07:39:46,046 [analyzer] DEBUG: Started auxiliary module Reboot
2025-07-23 07:39:46,125 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-07-23 07:39:46,125 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-07-23 07:39:46,125 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-07-23 07:39:46,140 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-07-23 07:39:46,358 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\fa5194f1baa0198b_javaws.exe' with arguments '' and pid 2488
2025-07-23 07:39:46,592 [analyzer] DEBUG: Loaded monitor into process with pid 2488
2025-07-23 07:39:47,296 [analyzer] INFO: Injected into process with pid 2416 and name u'javaws.exe'
2025-07-23 07:39:47,296 [analyzer] INFO: Added new file to list with pid 2488 and path C:\Windows\SysWOW64\Macromed\Flash\FlashPlayerUpdateService.exe
2025-07-23 07:39:47,358 [analyzer] INFO: Process with pid 2488 has terminated
2025-07-23 07:39:47,546 [analyzer] DEBUG: Loaded monitor into process with pid 2416
2025-07-23 09:52:26,966 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-07-23 09:52:27,982 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-07-23 09:52:27,982 [lib.api.process] INFO: Successfully terminated process with pid 2416.
2025-07-23 09:52:27,996 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-07-23 10:48:27,621 [cuckoo.core.scheduler] INFO: Task #6755767: acquired machine win7x645 (label=win7x645)
2025-07-23 10:48:27,622 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.205 for task #6755767
2025-07-23 10:48:28,238 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 2430020 (interface=vboxnet0, host=192.168.168.205)
2025-07-23 10:48:29,438 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x645
2025-07-23 10:48:30,676 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x645 to vmcloak
2025-07-23 10:48:58,805 [cuckoo.core.guest] INFO: Starting analysis #6755767 on guest (id=win7x645, ip=192.168.168.205)
2025-07-23 10:48:59,900 [cuckoo.core.guest] DEBUG: win7x645: not ready yet
2025-07-23 10:49:04,920 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x645, ip=192.168.168.205)
2025-07-23 10:49:05,039 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x645, ip=192.168.168.205, monitor=latest, size=6660546)
2025-07-23 10:49:06,909 [cuckoo.core.resultserver] DEBUG: Task #6755767: live log analysis.log initialized.
2025-07-23 10:49:07,611 [cuckoo.core.resultserver] DEBUG: Task #6755767 is sending a BSON stream
2025-07-23 10:49:08,437 [cuckoo.core.resultserver] DEBUG: Task #6755767 is sending a BSON stream
2025-07-23 10:49:11,686 [cuckoo.core.resultserver] DEBUG: Task #6755767: File upload for 'shots/0001.jpg'
2025-07-23 10:49:11,792 [cuckoo.core.resultserver] DEBUG: Task #6755767 is sending a BSON stream
2025-07-23 10:49:11,808 [cuckoo.core.resultserver] DEBUG: Task #6755767 uploaded file length: 133493
2025-07-23 10:49:12,807 [cuckoo.core.resultserver] DEBUG: Task #6755767: File upload for 'shots/0002.jpg'
2025-07-23 10:49:12,855 [cuckoo.core.resultserver] DEBUG: Task #6755767 uploaded file length: 144371
2025-07-23 10:49:21,472 [cuckoo.core.guest] DEBUG: win7x645: analysis #6755767 still processing
2025-07-23 10:49:36,614 [cuckoo.core.guest] DEBUG: win7x645: analysis #6755767 still processing
2025-07-23 10:49:51,770 [cuckoo.core.guest] DEBUG: win7x645: analysis #6755767 still processing
2025-07-23 10:50:07,174 [cuckoo.core.guest] DEBUG: win7x645: analysis #6755767 still processing
2025-07-23 10:50:22,309 [cuckoo.core.guest] DEBUG: win7x645: analysis #6755767 still processing
2025-07-23 10:50:37,438 [cuckoo.core.guest] DEBUG: win7x645: analysis #6755767 still processing
2025-07-23 10:50:53,080 [cuckoo.core.guest] DEBUG: win7x645: analysis #6755767 still processing
2025-07-23 10:51:08,398 [cuckoo.core.guest] DEBUG: win7x645: analysis #6755767 still processing
2025-07-23 10:51:23,657 [cuckoo.core.guest] DEBUG: win7x645: analysis #6755767 still processing
2025-07-23 10:51:38,883 [cuckoo.core.guest] DEBUG: win7x645: analysis #6755767 still processing
2025-07-23 10:51:54,120 [cuckoo.core.guest] DEBUG: win7x645: analysis #6755767 still processing
2025-07-23 10:52:09,886 [cuckoo.core.guest] DEBUG: win7x645: analysis #6755767 still processing
2025-07-23 10:52:25,146 [cuckoo.core.guest] DEBUG: win7x645: analysis #6755767 still processing
2025-07-23 10:52:27,172 [cuckoo.core.resultserver] DEBUG: Task #6755767: File upload for 'curtain/1753257147.17.curtain.log'
2025-07-23 10:52:27,175 [cuckoo.core.resultserver] DEBUG: Task #6755767 uploaded file length: 36
2025-07-23 10:52:27,855 [cuckoo.core.resultserver] DEBUG: Task #6755767: File upload for 'sysmon/1753257147.84.sysmon.xml'
2025-07-23 10:52:27,984 [cuckoo.core.resultserver] DEBUG: Task #6755767 uploaded file length: 8512014
2025-07-23 10:52:28,006 [cuckoo.core.resultserver] DEBUG: Task #6755767: File upload for 'files/1a70384b99845a5f_flashplayerupdateservice.exe'
2025-07-23 10:52:28,011 [cuckoo.core.resultserver] DEBUG: Task #6755767 uploaded file length: 267440
2025-07-23 10:52:28,019 [cuckoo.core.resultserver] DEBUG: Task #6755767 had connection reset for <Context for LOG>
2025-07-23 10:52:28,177 [cuckoo.core.guest] INFO: win7x645: analysis completed successfully
2025-07-23 10:52:28,205 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-07-23 10:52:28,231 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-07-23 10:52:29,717 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x645 to path /srv/cuckoo/cwd/storage/analyses/6755767/memory.dmp
2025-07-23 10:52:29,718 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x645
2025-07-23 10:53:00,398 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.205 for task #6755767
2025-07-23 10:53:00,833 [cuckoo.core.scheduler] DEBUG: Released database task #6755767
2025-07-23 10:53:00,848 [cuckoo.core.scheduler] INFO: Task #6755767: analysis procedure completed

Signatures

Yara rules detected for file (5 events)
description Checks if being debugged rule anti_dbg
description Communications over RAW socket rule network_tcp_socket
description Affect system registries rule win_registry
description Affect system token rule win_token
description Affect private profile rule win_files_operation
Allocates read-write-execute memory (usually to unpack itself) (1 event)
Time & API Arguments Status Return Repeated

NtProtectVirtualMemory

 process_identifier: 2488
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
length: 393216
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0000000001da0000
process_handle: 0xffffffffffffffff
1 0 0
Queries for the computername (2 events)
Time & API Arguments Status Return Repeated

GetComputerNameW

 computer_name: ǣ Ǣ
0 0

GetComputerNameW

 computer_name: TABBNLZUWGPSERX
1 1 0
This executable has a PDB path (1 event)
pdb_path C:\re\jdk7u71\1605\build\windows-amd64\tmp\deploy\jre-image\bin\javaws.pdb
One or more potentially interesting buffers were extracted, these generally contain injected code, configuration data, etc.
Creates executable files on the filesystem (1 event)
file C:\Windows\SysWOW64\Macromed\Flash\FlashPlayerUpdateService.exe
File has been identified by 11 AntiVirus engine on IRMA as malicious (11 events)
G Data Antivirus (Windows) Virus: Win64.Expiro.Gen.7 (Engine A)
Avast Core Security (Linux) Win64:Expiro-AJ [Inf]
Trend Micro SProtect (Linux) Virus.Win64.EXPIRO.SMAJC
WithSecure (Linux) Malware.W32/Infector.Gen
eScan Antivirus (Linux) Win64.Expiro.Gen.7(DB)
ESET Security (Windows) a variant of Win64/Expiro.CU virus
Sophos Anti-Virus (Linux) W64/Moiva-B
DrWeb Antivirus (Linux) Win32.Expiro.153
Bitdefender Antivirus (Linux) Win64.Expiro.Gen.7
Kaspersky Standard (Windows) Virus.Win64.Moiva.a
Emsisoft Commandline Scanner (Windows) Win64.Expiro.Gen.7 (B)
Screenshots
Name Response Post-Analysis Lookup
No hosts contacted.
IP Address Status Action VT Location
No hosts contacted.
Cuckoo

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