Analysis
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max time kernel
157s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
01-10-2023 20:23
Static task
static1
Behavioral task
behavioral1
Sample
dc6b972c007e6fd597ba4200ca84ad1e5cecc5cc54ec3bfb6948b564f11e5e9e.dll
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
dc6b972c007e6fd597ba4200ca84ad1e5cecc5cc54ec3bfb6948b564f11e5e9e.dll
Resource
win10v2004-20230915-en
General
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Target
dc6b972c007e6fd597ba4200ca84ad1e5cecc5cc54ec3bfb6948b564f11e5e9e.dll
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Size
2.6MB
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MD5
4f7d888c23261d4e879eb3963454eed6
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SHA1
c8d5ea5994788a982be514ac003e10f3e1f0ecdf
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SHA256
dc6b972c007e6fd597ba4200ca84ad1e5cecc5cc54ec3bfb6948b564f11e5e9e
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SHA512
7153971f91f16f96a77a448d166ff809898e46004a5871043c5fa6de01ec4cff784696477f5c95ed548be12734430f6d75ad652649d11249fd8d4636091c706a
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SSDEEP
49152:Q21xzi33MoeJefpZkw2h6zlkMmM5+j7zbbcb5pXhEQTZ1lsc47vSSpqkTNfej9bT:VzAlfrkTgfmM5KfbcnegKfej9rW
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4872 3EE8.tmp -
Drops file in Program Files directory 4 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll 3EE8.tmp File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R32.dll 3EE8.tmp File opened for modification C:\Program Files\7-Zip\7z.sfx 3EE8.tmp File opened for modification C:\Program Files\7-Zip\7zCon.sfx 3EE8.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3384 rundll32.exe 3384 rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4488 wrote to memory of 3384 4488 rundll32.exe 85 PID 4488 wrote to memory of 3384 4488 rundll32.exe 85 PID 4488 wrote to memory of 3384 4488 rundll32.exe 85 PID 3384 wrote to memory of 4872 3384 rundll32.exe 89 PID 3384 wrote to memory of 4872 3384 rundll32.exe 89 PID 3384 wrote to memory of 4872 3384 rundll32.exe 89
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\dc6b972c007e6fd597ba4200ca84ad1e5cecc5cc54ec3bfb6948b564f11e5e9e.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4488 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\dc6b972c007e6fd597ba4200ca84ad1e5cecc5cc54ec3bfb6948b564f11e5e9e.dll,#12⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3384 -
C:\Users\Admin\AppData\Local\Temp\3EE8.tmpC:\Users\Admin\AppData\Local\Temp\3EE8.tmp3⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:4872
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
145KB
MD5c610e7ccd6859872c585b2a85d7dc992
SHA1362b3d4b72e3add687c209c79b500b7c6a246d46
SHA25614063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041
SHA5128570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666
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Filesize
145KB
MD5c610e7ccd6859872c585b2a85d7dc992
SHA1362b3d4b72e3add687c209c79b500b7c6a246d46
SHA25614063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041
SHA5128570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666