Analysis
- max time kernel
151s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
11/03/2024, 11:42
General
- Target STATEMENT OF ACCOUNT.exe
- Size 962KB
- Sample240311-nt3b3abb5x
- SHA256 77732e74850050bb6f935945e510d32a0499d820fa1197752df8bd01c66e8210
Malware Config
Extracted
-
webmonitor
-
niiarmah.wm01.to:443
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config_key
4EcDHH7aWbl50LayUnuRlJWUXiKQWk0O
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private_key
yvkn5wM8E
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url_path
/recv5.php
Signatures
- RevcodeRat, WebMonitorRat
WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.
- WebMonitor payload 6 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.exe"C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.exe"C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.exe"2⤵
- Checks computer location settings
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\H5tMJERy9hTkJoSd.bat" "3⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1348 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
H5tMJERy9hTkJoSd.bat
memory/1464-2-0x0000000000AE0000-0x0000000000AE2000-memory.dmp
memory/1464-1-0x0000000000800000-0x0000000000900000-memory.dmp
memory/3096-3-0x0000000000400000-0x00000000004F3000-memory.dmp
memory/3096-4-0x0000000000400000-0x00000000004F3000-memory.dmp
memory/3096-5-0x0000000000400000-0x00000000004F3000-memory.dmp
memory/3096-6-0x0000000000400000-0x00000000004F3000-memory.dmp
memory/3096-7-0x0000000000400000-0x00000000004F3000-memory.dmp
memory/3096-11-0x0000000000400000-0x00000000004F3000-memory.dmp