Summary

WxWorkApis.dll

File WxWorkApis.dll

Summary
Download Resubmit sample

Size 57.6KB
Type PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
MD5 7b6f805752f6ae1adbce0aeaeb2d9baf
SHA1 732008bafb94c89aeabb8d2931d1db3bdbe8480f
SHA256 8080a58d1db5fe34616c0e46ab1cc6566393db1a72fb4d3d392f000cea4af373
SHA512
eecbcfe7795504f34c837a73afbf2b2daa7119bb6a8ce571c93e206c121d7b22827a03868f55d1a1f3307edf1caff26aa80017d8f9d0fbfc1e1c1a43bc7c347b
CRC32 6090E4C7
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 July 11, 2025, 9:02 a.m. July 11, 2025, 9:09 a.m. 408 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-07-08 10:06:14,030 [analyzer] DEBUG: Starting analyzer from: C:\tmpmdfut4
2025-07-08 10:06:14,030 [analyzer] DEBUG: Pipe server name: \??\PIPE\oRQEeByYFFFpXAfjXSDn
2025-07-08 10:06:14,030 [analyzer] DEBUG: Log pipe server name: \??\PIPE\oaAassnWPGXDOcsXljQIyHyjLy
2025-07-08 10:06:14,390 [analyzer] DEBUG: Started auxiliary module Curtain
2025-07-08 10:06:14,390 [analyzer] DEBUG: Started auxiliary module DbgView
2025-07-08 10:06:14,921 [analyzer] DEBUG: Started auxiliary module Disguise
2025-07-08 10:06:15,140 [analyzer] DEBUG: Loaded monitor into process with pid 504
2025-07-08 10:06:15,140 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-07-08 10:06:15,155 [analyzer] DEBUG: Started auxiliary module Human
2025-07-08 10:06:15,155 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-07-08 10:06:15,155 [analyzer] DEBUG: Started auxiliary module Reboot
2025-07-08 10:06:15,250 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-07-08 10:06:15,250 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-07-08 10:06:15,265 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-07-08 10:06:15,265 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-07-08 10:06:15,342 [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 2364
2025-07-08 10:06:15,562 [analyzer] DEBUG: Loaded monitor into process with pid 2364
2025-07-08 10:06:15,687 [analyzer] INFO: Injected into process with pid 2032 and name u'rundll32.exe'
2025-07-08 10:06:15,921 [analyzer] DEBUG: Loaded monitor into process with pid 2032
2025-07-08 10:06:44,342 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-07-08 10:06:44,765 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-07-08 10:06:44,765 [lib.api.process] INFO: Successfully terminated process with pid 2364.
2025-07-08 10:06:44,765 [lib.api.process] INFO: Successfully terminated process with pid 2032.
2025-07-08 10:06:44,765 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-07-11 09:02:48,018 [cuckoo.core.scheduler] DEBUG: Task #6684696: no machine available yet
2025-07-11 09:02:49,073 [cuckoo.core.scheduler] DEBUG: Task #6684696: no machine available yet
2025-07-11 09:02:50,101 [cuckoo.core.scheduler] DEBUG: Task #6684696: no machine available yet
2025-07-11 09:02:51,126 [cuckoo.core.scheduler] DEBUG: Task #6684696: no machine available yet
2025-07-11 09:02:52,151 [cuckoo.core.scheduler] DEBUG: Task #6684696: no machine available yet
2025-07-11 09:02:53,175 [cuckoo.core.scheduler] DEBUG: Task #6684696: no machine available yet
2025-07-11 09:02:54,356 [cuckoo.core.scheduler] DEBUG: Task #6684696: no machine available yet
2025-07-11 09:02:55,382 [cuckoo.core.scheduler] DEBUG: Task #6684696: no machine available yet
2025-07-11 09:02:56,406 [cuckoo.core.scheduler] DEBUG: Task #6684696: no machine available yet
2025-07-11 09:02:57,437 [cuckoo.core.scheduler] DEBUG: Task #6684696: no machine available yet
2025-07-11 09:02:58,467 [cuckoo.core.scheduler] DEBUG: Task #6684696: no machine available yet
2025-07-11 09:02:59,575 [cuckoo.core.scheduler] DEBUG: Task #6684696: no machine available yet
2025-07-11 09:03:00,627 [cuckoo.core.scheduler] DEBUG: Task #6684696: no machine available yet
2025-07-11 09:03:01,681 [cuckoo.core.scheduler] DEBUG: Task #6684696: no machine available yet
2025-07-11 09:03:02,722 [cuckoo.core.scheduler] DEBUG: Task #6684696: no machine available yet
2025-07-11 09:03:03,768 [cuckoo.core.scheduler] DEBUG: Task #6684696: no machine available yet
2025-07-11 09:03:04,820 [cuckoo.core.scheduler] DEBUG: Task #6684696: no machine available yet
2025-07-11 09:03:05,871 [cuckoo.core.scheduler] DEBUG: Task #6684696: no machine available yet
2025-07-11 09:03:06,899 [cuckoo.core.scheduler] DEBUG: Task #6684696: no machine available yet
2025-07-11 09:03:07,943 [cuckoo.core.scheduler] INFO: Task #6684696: acquired machine win7x644 (label=win7x644)
2025-07-11 09:03:07,946 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.204 for task #6684696
2025-07-11 09:03:08,451 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 2768373 (interface=vboxnet0, host=192.168.168.204)
2025-07-11 09:03:08,554 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x644
2025-07-11 09:03:09,507 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x644 to vmcloak
2025-07-11 09:06:13,492 [cuckoo.core.guest] INFO: Starting analysis #6684696 on guest (id=win7x644, ip=192.168.168.204)
2025-07-11 09:06:14,503 [cuckoo.core.guest] DEBUG: win7x644: not ready yet
2025-07-11 09:06:19,535 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x644, ip=192.168.168.204)
2025-07-11 09:06:19,708 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x644, ip=192.168.168.204, monitor=latest, size=6660546)
2025-07-11 09:06:21,107 [cuckoo.core.resultserver] DEBUG: Task #6684696: live log analysis.log initialized.
2025-07-11 09:06:22,186 [cuckoo.core.resultserver] DEBUG: Task #6684696 is sending a BSON stream
2025-07-11 09:06:22,608 [cuckoo.core.resultserver] DEBUG: Task #6684696 is sending a BSON stream
2025-07-11 09:06:22,952 [cuckoo.core.resultserver] DEBUG: Task #6684696 is sending a BSON stream
2025-07-11 09:06:23,531 [cuckoo.core.resultserver] DEBUG: Task #6684696: File upload for 'shots/0001.jpg'
2025-07-11 09:06:23,551 [cuckoo.core.resultserver] DEBUG: Task #6684696 uploaded file length: 137963
2025-07-11 09:06:35,783 [cuckoo.core.guest] DEBUG: win7x644: analysis #6684696 still processing
2025-07-11 09:06:50,869 [cuckoo.core.guest] DEBUG: win7x644: analysis #6684696 still processing
2025-07-11 09:06:51,677 [cuckoo.core.resultserver] DEBUG: Task #6684696: File upload for 'curtain/1751962004.56.curtain.log'
2025-07-11 09:06:51,684 [cuckoo.core.resultserver] DEBUG: Task #6684696 uploaded file length: 36
2025-07-11 09:06:51,856 [cuckoo.core.resultserver] DEBUG: Task #6684696: File upload for 'sysmon/1751962004.73.sysmon.xml'
2025-07-11 09:06:51,878 [cuckoo.core.resultserver] DEBUG: Task #6684696 uploaded file length: 1514596
2025-07-11 09:06:52,535 [cuckoo.core.resultserver] DEBUG: Task #6684696: File upload for 'shots/0002.jpg'
2025-07-11 09:06:52,549 [cuckoo.core.resultserver] DEBUG: Task #6684696 uploaded file length: 133509
2025-07-11 09:06:52,567 [cuckoo.core.resultserver] DEBUG: Task #6684696 had connection reset for <Context for LOG>
2025-07-11 09:06:53,883 [cuckoo.core.guest] INFO: win7x644: analysis completed successfully
2025-07-11 09:06:53,897 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-07-11 09:06:53,924 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-07-11 09:06:55,163 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x644 to path /srv/cuckoo/cwd/storage/analyses/6684696/memory.dmp
2025-07-11 09:06:55,164 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x644
2025-07-11 09:09:35,707 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.204 for task #6684696
2025-07-11 09:09:36,640 [cuckoo.core.scheduler] DEBUG: Released database task #6684696
2025-07-11 09:09:36,815 [cuckoo.core.scheduler] INFO: Task #6684696: 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': 7.757844354436936, u'name': u'.vmp1', u'virtual_size': u'0x006edf80'} entropy 7.75784435444 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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