Analysis
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max time kernel
151s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
13-03-2024 17:04
Static task
static1
Behavioral task
behavioral1
Sample
3C1DC5055FF46C2196F26BA9F91B065DB78061487DDCFEE35A8E8C1B74E845CA.tar.rar
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
3C1DC5055FF46C2196F26BA9F91B065DB78061487DDCFEE35A8E8C1B74E845CA.tar.rar
Resource
win10v2004-20240226-en
General
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Target
3C1DC5055FF46C2196F26BA9F91B065DB78061487DDCFEE35A8E8C1B74E845CA.tar.rar
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Size
1.5MB
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MD5
4e79798637a56d4293baba2f4109e7d3
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SHA1
3b22d302e3ad7ad7a9e471c5c4914bf93b17163f
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SHA256
a2ad286e5c6c15d25b32826a784fd900fa80cda34021a9d4a70b8cbd8b47201d
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SHA512
9b26d2ae8e6c9c12b56f93715dcbb6f4bf61de67b777f3a30b6a376c8271d9897662da09c4a203be0a123a9e34c3c663325b7411510096f545e574f4d673b03b
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SSDEEP
24576:KwHZK6bBsgK3ANuTqgM0cGUfRVeGJRC1v4uWaTi0ipmBBKKzWAxqPB2Tggv2:bsgKwHgM0c3JVdJegSi0i4B1be2Tpu
Malware Config
Signatures
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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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation cmd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings cmd.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeRestorePrivilege 4664 7zFM.exe Token: 35 4664 7zFM.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4664 7zFM.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1940 wrote to memory of 4664 1940 cmd.exe 97 PID 1940 wrote to memory of 4664 1940 cmd.exe 97
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\3C1DC5055FF46C2196F26BA9F91B065DB78061487DDCFEE35A8E8C1B74E845CA.tar.rar1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Program Files\7-Zip\7zFM.exe"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\3C1DC5055FF46C2196F26BA9F91B065DB78061487DDCFEE35A8E8C1B74E845CA.tar.rar"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4664
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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=1352 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:81⤵PID:2056