Analysis
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max time kernel
137s -
max time network
167s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
27-03-2024 12:17
Static task
static1
Behavioral task
behavioral1
Sample
Install.rar
Resource
win10-20240221-en
Behavioral task
behavioral2
Sample
Install.rar
Resource
win10v2004-20240226-en
General
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Target
Install.rar
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Size
61.4MB
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MD5
5f7f0719185c557e89ebc334ad5c9765
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SHA1
90d9c887a28e4505ae6c011de64740e397a515ed
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SHA256
665b6767c9cbac7ece13f2d205e778d2a1fa07d650e858743ae8e28ffc7d161d
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SHA512
ecdcf5ec5e6c49f666acad82e9a117438a18d05740c759f1f21a8033e964124591043a0cb856b2b09a8a828d208b7671842149fbe108f851a30e284f31e0c585
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SSDEEP
1572864:gW1mazO3YnHg9XkE0A6tETkE8+Zeq3bR5uVIRQidat:gWEYHg9Xb0qTkE77/uVIRQIY
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.
Processes:
cmd.exedescription 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
Processes:
cmd.exedescription 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
Processes:
7zFM.exedescription pid Process Token: SeRestorePrivilege 4488 7zFM.exe Token: 35 4488 7zFM.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
7zFM.exepid Process 4488 7zFM.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
cmd.exedescription pid Process procid_target PID 3872 wrote to memory of 4488 3872 cmd.exe 99 PID 3872 wrote to memory of 4488 3872 cmd.exe 99
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Install.rar1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3872 -
C:\Program Files\7-Zip\7zFM.exe"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Install.rar"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4488
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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=3280 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:81⤵PID:4420