Summary

WxWorkApis.dll

File WxWorkApis.dll

Summary
Download Resubmit sample

Size 122.8KB
Type PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
MD5 0fc18eebcea5926cfcb103b1e2bcc277
SHA1 74bf24ff5a401d9d9879ad9fbbcc10a7662a8958
SHA256 089bd13a0efc4c8a2db046e4d45385d72212028c917765823785ea5a43fcfc06
SHA512
0f60d1dd879835912f350e351770bcd4a63d55c0fd8a7c5b3101529aa7679ea607572d8af77323c9143d78d1fb23dca12fa00c865f8389b207cffec3f48faae4
CRC32 50BBC0A5
ssdeep None
Yara
  • suspicious_packer_section - The packer/protector section names/keywords

Score

This file shows numerous signs of malicious behavior.

The score of this file is 3.7 out of 10.

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

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Information on Execution

Analysis
Category Started Completed Duration Routing Logs
FILE June 18, 2025, 6:14 a.m. June 18, 2025, 6:21 a.m. 399 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-06-18 05:50:06,015 [analyzer] DEBUG: Starting analyzer from: C:\tmpsgyfoe
2025-06-18 05:50:06,030 [analyzer] DEBUG: Pipe server name: \??\PIPE\rCNdDCIPjDUNfFqyBB
2025-06-18 05:50:06,030 [analyzer] DEBUG: Log pipe server name: \??\PIPE\qQJfyyTYQcrrtjBmwASB
2025-06-18 05:50:06,265 [analyzer] DEBUG: Started auxiliary module Curtain
2025-06-18 05:50:06,265 [analyzer] DEBUG: Started auxiliary module DbgView
2025-06-18 05:50:06,717 [analyzer] DEBUG: Started auxiliary module Disguise
2025-06-18 05:50:06,921 [analyzer] DEBUG: Loaded monitor into process with pid 516
2025-06-18 05:50:06,921 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-06-18 05:50:06,921 [analyzer] DEBUG: Started auxiliary module Human
2025-06-18 05:50:06,921 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-06-18 05:50:06,921 [analyzer] DEBUG: Started auxiliary module Reboot
2025-06-18 05:50:06,967 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-06-18 05:50:06,967 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-06-18 05:50:06,967 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-06-18 05:50:06,967 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-06-18 05:50:07,046 [lib.api.process] INFO: Successfully executed process from path 'C:\\Windows\\System32\\rundll32.exe' with arguments [u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\WxWorkApis.dll,DllMain'] and pid 1956
2025-06-18 05:50:07,265 [analyzer] DEBUG: Loaded monitor into process with pid 1956
2025-06-18 05:50:07,375 [analyzer] INFO: Injected into process with pid 708 and name u'rundll32.exe'
2025-06-18 05:50:07,592 [analyzer] DEBUG: Loaded monitor into process with pid 708
2025-06-18 05:18:43,457 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-06-18 05:18:43,911 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-06-18 05:18:43,911 [lib.api.process] INFO: Successfully terminated process with pid 1956.
2025-06-18 05:18:43,911 [lib.api.process] INFO: Successfully terminated process with pid 708.
2025-06-18 05:18:43,911 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-06-18 06:14:22,222 [cuckoo.core.scheduler] DEBUG: Task #6559701: no machine available yet
2025-06-18 06:14:23,328 [cuckoo.core.scheduler] DEBUG: Task #6559701: no machine available yet
2025-06-18 06:14:24,714 [cuckoo.core.scheduler] DEBUG: Task #6559701: no machine available yet
2025-06-18 06:14:26,058 [cuckoo.core.scheduler] DEBUG: Task #6559701: no machine available yet
2025-06-18 06:14:27,128 [cuckoo.core.scheduler] DEBUG: Task #6559701: no machine available yet
2025-06-18 06:14:28,156 [cuckoo.core.scheduler] DEBUG: Task #6559701: no machine available yet
2025-06-18 06:14:29,182 [cuckoo.core.scheduler] DEBUG: Task #6559701: no machine available yet
2025-06-18 06:14:30,229 [cuckoo.core.scheduler] DEBUG: Task #6559701: no machine available yet
2025-06-18 06:14:31,327 [cuckoo.core.scheduler] DEBUG: Task #6559701: no machine available yet
2025-06-18 06:14:33,305 [cuckoo.core.scheduler] DEBUG: Task #6559701: no machine available yet
2025-06-18 06:14:34,367 [cuckoo.core.scheduler] DEBUG: Task #6559701: no machine available yet
2025-06-18 06:14:35,578 [cuckoo.core.scheduler] DEBUG: Task #6559701: no machine available yet
2025-06-18 06:14:37,224 [cuckoo.core.scheduler] INFO: Task #6559701: acquired machine win7x6413 (label=win7x6413)
2025-06-18 06:14:37,226 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.213 for task #6559701
2025-06-18 06:14:38,365 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 3599507 (interface=vboxnet0, host=192.168.168.213)
2025-06-18 06:14:38,632 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x6413
2025-06-18 06:14:46,624 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x6413 to vmcloak
2025-06-18 06:18:05,191 [cuckoo.core.guest] INFO: Starting analysis #6559701 on guest (id=win7x6413, ip=192.168.168.213)
2025-06-18 06:18:06,377 [cuckoo.core.guest] DEBUG: win7x6413: not ready yet
2025-06-18 06:18:11,420 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x6413, ip=192.168.168.213)
2025-06-18 06:18:12,074 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x6413, ip=192.168.168.213, monitor=latest, size=6660546)
2025-06-18 06:18:13,581 [cuckoo.core.resultserver] DEBUG: Task #6559701: live log analysis.log initialized.
2025-06-18 06:18:14,237 [cuckoo.core.resultserver] DEBUG: Task #6559701 is sending a BSON stream
2025-06-18 06:18:14,557 [cuckoo.core.resultserver] DEBUG: Task #6559701 is sending a BSON stream
2025-06-18 06:18:14,924 [cuckoo.core.resultserver] DEBUG: Task #6559701 is sending a BSON stream
2025-06-18 06:18:15,720 [cuckoo.core.resultserver] DEBUG: Task #6559701: File upload for 'shots/0001.jpg'
2025-06-18 06:18:15,737 [cuckoo.core.resultserver] DEBUG: Task #6559701 uploaded file length: 137731
2025-06-18 06:18:28,426 [cuckoo.core.guest] DEBUG: win7x6413: analysis #6559701 still processing
2025-06-18 06:18:43,852 [cuckoo.core.resultserver] DEBUG: Task #6559701: File upload for 'curtain/1750216723.64.curtain.log'
2025-06-18 06:18:43,863 [cuckoo.core.resultserver] DEBUG: Task #6559701 uploaded file length: 36
2025-06-18 06:18:43,869 [cuckoo.core.resultserver] DEBUG: Task #6559701: File upload for 'sysmon/1750216723.85.sysmon.xml'
2025-06-18 06:18:43,994 [cuckoo.core.resultserver] DEBUG: Task #6559701 uploaded file length: 1436928
2025-06-18 06:18:44,081 [cuckoo.core.guest] INFO: win7x6413: analysis completed successfully
2025-06-18 06:18:44,102 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-06-18 06:18:44,141 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-06-18 06:18:44,861 [cuckoo.core.resultserver] DEBUG: Task #6559701: File upload for 'shots/0002.jpg'
2025-06-18 06:18:44,889 [cuckoo.core.resultserver] DEBUG: Task #6559701 uploaded file length: 133573
2025-06-18 06:18:44,900 [cuckoo.core.resultserver] DEBUG: Task #6559701 had connection reset for <Context for LOG>
2025-06-18 06:18:45,737 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x6413 to path /srv/cuckoo/cwd/storage/analyses/6559701/memory.dmp
2025-06-18 06:18:45,741 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x6413
2025-06-18 06:21:01,636 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.213 for task #6559701
2025-06-18 06:21:02,026 [cuckoo.core.scheduler] DEBUG: Released database task #6559701
2025-06-18 06:21:02,056 [cuckoo.core.scheduler] INFO: Task #6559701: analysis procedure completed

Signatures

Yara rule detected for file (1 event)
description The packer/protector section names/keywords rule suspicious_packer_section
The executable contains unknown PE section names indicative of a packer (could be a false positive) (2 events)
section .vmp0
section .vmp1
The binary likely contains encrypted or compressed data indicative of a packer (2 events)
section {u'size_of_data': u'0x006ee000', u'virtual_address': u'0x006e1000', u'entropy': 7.762088830655704, u'name': u'.vmp1', u'virtual_size': u'0x006edf80'} entropy 7.76208883066 description A section with a high entropy has been found
entropy 0.999718230487 description Overall entropy of this PE file is high
The executable is likely packed with VMProtect (2 events)
section .vmp0 description Section name indicates VMProtect
section .vmp1 description Section name indicates VMProtect
File has been identified by at least one AntiVirus engine on IRMA as malicious (1 event)
DrWeb Antivirus (Linux) Trojan.Packed2.46866
Screenshots
Name Response Post-Analysis Lookup
No hosts contacted.
IP Address Status Action VT Location
No hosts contacted.
Cuckoo

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