Summary

WxWorkApis.dll

File WxWorkApis.dll

Summary
Download Resubmit sample

Size 390.2KB
Type PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
MD5 fe733a5a5fd798da95d860a500efaf29
SHA1 4ada519d9742769984fe46b6a510e323b5e51d08
SHA256 310bfc37fbb8f2b76ad1708612bc0280222de30a1cd0114614404d69ccbf704e
SHA512
56d7655e614a70ae23069fd2f73949b0ff6a85d0c03f72da842d7b2b942eea77df71e39e94b1a6642b6543bc92e1cf670432e46562cfbbff8316989da49b1cc1
CRC32 E91CD678
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, 6:18 a.m. June 18, 2025, 6:24 a.m. 397 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-06-18 06:13:37,015 [analyzer] DEBUG: Starting analyzer from: C:\tmppw5mq4
2025-06-18 06:13:37,046 [analyzer] DEBUG: Pipe server name: \??\PIPE\foqsBIbZtTdvAhonpXmqVyyd
2025-06-18 06:13:37,046 [analyzer] DEBUG: Log pipe server name: \??\PIPE\CBdLWWaBTYIjOzPUmGotnOyPLA
2025-06-18 06:13:37,358 [analyzer] DEBUG: Started auxiliary module Curtain
2025-06-18 06:13:37,358 [analyzer] DEBUG: Started auxiliary module DbgView
2025-06-18 06:13:37,967 [analyzer] DEBUG: Started auxiliary module Disguise
2025-06-18 06:13:38,187 [analyzer] DEBUG: Loaded monitor into process with pid 504
2025-06-18 06:13:38,187 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-06-18 06:13:38,187 [analyzer] DEBUG: Started auxiliary module Human
2025-06-18 06:13:38,187 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-06-18 06:13:38,187 [analyzer] DEBUG: Started auxiliary module Reboot
2025-06-18 06:13:38,296 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-06-18 06:13:38,296 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-06-18 06:13:38,296 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-06-18 06:13:38,312 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-06-18 06:13:38,390 [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 2740
2025-06-18 06:13:38,608 [analyzer] DEBUG: Loaded monitor into process with pid 2740
2025-06-18 06:13:38,765 [analyzer] INFO: Injected into process with pid 1464 and name u'rundll32.exe'
2025-06-18 06:13:39,000 [analyzer] DEBUG: Loaded monitor into process with pid 1464
2025-06-18 05:21:34,862 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-06-18 05:21:35,394 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-06-18 05:21:35,394 [lib.api.process] INFO: Successfully terminated process with pid 2740.
2025-06-18 05:21:35,410 [lib.api.process] INFO: Successfully terminated process with pid 1464.
2025-06-18 05:21:35,410 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-06-18 06:18:13,725 [cuckoo.core.scheduler] DEBUG: Task #6559715: no machine available yet
2025-06-18 06:18:15,340 [cuckoo.core.scheduler] DEBUG: Task #6559715: no machine available yet
2025-06-18 06:18:17,613 [cuckoo.core.scheduler] DEBUG: Task #6559715: no machine available yet
2025-06-18 06:18:19,067 [cuckoo.core.scheduler] DEBUG: Task #6559715: no machine available yet
2025-06-18 06:18:20,147 [cuckoo.core.scheduler] DEBUG: Task #6559715: no machine available yet
2025-06-18 06:18:21,241 [cuckoo.core.scheduler] DEBUG: Task #6559715: no machine available yet
2025-06-18 06:18:22,330 [cuckoo.core.scheduler] INFO: Task #6559715: acquired machine win7x646 (label=win7x646)
2025-06-18 06:18:22,340 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.206 for task #6559715
2025-06-18 06:18:23,049 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 3603407 (interface=vboxnet0, host=192.168.168.206)
2025-06-18 06:18:26,577 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x646
2025-06-18 06:18:34,990 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x646 to vmcloak
2025-06-18 06:20:56,749 [cuckoo.core.guest] INFO: Starting analysis #6559715 on guest (id=win7x646, ip=192.168.168.206)
2025-06-18 06:20:57,789 [cuckoo.core.guest] DEBUG: win7x646: not ready yet
2025-06-18 06:21:02,821 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x646, ip=192.168.168.206)
2025-06-18 06:21:02,979 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x646, ip=192.168.168.206, monitor=latest, size=6660546)
2025-06-18 06:21:05,930 [cuckoo.core.resultserver] DEBUG: Task #6559715: live log analysis.log initialized.
2025-06-18 06:21:05,932 [cuckoo.core.resultserver] DEBUG: Task #6559715 is sending a BSON stream
2025-06-18 06:21:05,933 [cuckoo.core.resultserver] DEBUG: Task #6559715 is sending a BSON stream
2025-06-18 06:21:06,349 [cuckoo.core.resultserver] DEBUG: Task #6559715 is sending a BSON stream
2025-06-18 06:21:07,083 [cuckoo.core.resultserver] DEBUG: Task #6559715: File upload for 'shots/0001.jpg'
2025-06-18 06:21:07,094 [cuckoo.core.resultserver] DEBUG: Task #6559715 uploaded file length: 137889
2025-06-18 06:21:20,861 [cuckoo.core.guest] DEBUG: win7x646: analysis #6559715 still processing
2025-06-18 06:21:35,358 [cuckoo.core.resultserver] DEBUG: Task #6559715: File upload for 'curtain/1750216895.1.curtain.log'
2025-06-18 06:21:35,362 [cuckoo.core.resultserver] DEBUG: Task #6559715 uploaded file length: 36
2025-06-18 06:21:35,376 [cuckoo.core.resultserver] DEBUG: Task #6559715: File upload for 'sysmon/1750216895.36.sysmon.xml'
2025-06-18 06:21:35,406 [cuckoo.core.resultserver] DEBUG: Task #6559715 uploaded file length: 1688078
2025-06-18 06:21:35,959 [cuckoo.core.guest] INFO: win7x646: analysis completed successfully
2025-06-18 06:21:35,973 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-06-18 06:21:36,003 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-06-18 06:21:36,345 [cuckoo.core.resultserver] DEBUG: Task #6559715: File upload for 'shots/0002.jpg'
2025-06-18 06:21:36,353 [cuckoo.core.resultserver] DEBUG: Task #6559715 uploaded file length: 133469
2025-06-18 06:21:36,372 [cuckoo.core.resultserver] DEBUG: Task #6559715 had connection reset for <Context for LOG>
2025-06-18 06:21:37,355 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x646 to path /srv/cuckoo/cwd/storage/analyses/6559715/memory.dmp
2025-06-18 06:21:37,356 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x646
2025-06-18 06:24:37,603 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.206 for task #6559715
2025-06-18 06:24:37,995 [cuckoo.core.scheduler] DEBUG: Released database task #6559715
2025-06-18 06:24:38,011 [cuckoo.core.scheduler] INFO: Task #6559715: 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': 7.901884832446314, u'name': u'.vmp1', u'virtual_size': u'0x006edf80'} entropy 7.90188483245 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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