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Analysis
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max time kernel
173s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
12/10/2023, 03:36
Static task
static1
Behavioral task
behavioral1
Sample
3a90a5bebd804567c55ff9dda30e2c67bab5cc48fa5a6378a9452e541e799886.dll
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
3a90a5bebd804567c55ff9dda30e2c67bab5cc48fa5a6378a9452e541e799886.dll
Resource
win10v2004-20230915-en
General
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Target
3a90a5bebd804567c55ff9dda30e2c67bab5cc48fa5a6378a9452e541e799886.dll
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Size
2.7MB
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MD5
21ee7927b4616d06dfe4ef516e7217ad
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SHA1
7d85b90a6eb9038abf3f35c15094ec96066180b6
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SHA256
3a90a5bebd804567c55ff9dda30e2c67bab5cc48fa5a6378a9452e541e799886
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SHA512
27a78c4eb52ebbf8f61729d9fd670350b31d0c4ed3091d45a822197a5c391b09a73433513e148357a32abccae161f0a0da61a847a15b6710613fef89ff029277
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SSDEEP
49152:0cog6WA4PU+eUlGi2SPWd1ua1eL7ajSjhTSGIo8Y708vp7fTMh9B/aQVF:0cog1JvBPWd1D47am28vNQVao
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3628 E55F.tmp -
Drops file in Program Files directory 5 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\7z.sfx E55F.tmp File opened for modification C:\Program Files\7-Zip\7zCon.sfx E55F.tmp File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll E55F.tmp File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R32.dll E55F.tmp File opened for modification C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe E55F.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 372 rundll32.exe 372 rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1296 wrote to memory of 372 1296 rundll32.exe 85 PID 1296 wrote to memory of 372 1296 rundll32.exe 85 PID 1296 wrote to memory of 372 1296 rundll32.exe 85 PID 372 wrote to memory of 3628 372 rundll32.exe 87 PID 372 wrote to memory of 3628 372 rundll32.exe 87 PID 372 wrote to memory of 3628 372 rundll32.exe 87
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3a90a5bebd804567c55ff9dda30e2c67bab5cc48fa5a6378a9452e541e799886.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1296 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3a90a5bebd804567c55ff9dda30e2c67bab5cc48fa5a6378a9452e541e799886.dll,#12⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:372 -
C:\Users\Admin\AppData\Local\Temp\E55F.tmpC:\Users\Admin\AppData\Local\Temp\E55F.tmp3⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:3628
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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