Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
25/03/2025, 02:28
Static task
static1
Behavioral task
behavioral1
Sample
WEEB6_SystemUpdate.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
WEEB6_SystemUpdate.exe
Resource
win10v2004-20250314-en
General
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Target
WEEB6_SystemUpdate.exe
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Size
38.5MB
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MD5
812fb887e9dba4a5484fef3e0affe368
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SHA1
a96a4132b8f03810d0c3862fa90108da8cc0bce6
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SHA256
5d99f5bf54c9d7728bbfd50f75b462d453130fff7df37a039cb8cfd490b2e397
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SHA512
a615394160fdec370b37885291c23d6584cde8287a618d3eda782fa9b9166abd733902f5f800657c801ef47bd1b4201b90782748c9057dca57dc0a579b65b44e
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SSDEEP
786432:gHrt2V0YlUNf5ajZV3p3vv8gt7usRxcJ+519jtD+/K48NJtvXdlxn8C4L:gL4uEUNf5WZggt5cmBRUK48rPlxC
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2412 Stub.exe -
Loads dropped DLL 2 IoCs
pid Process 2328 WEEB6_SystemUpdate.exe 2412 Stub.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2328 wrote to memory of 2412 2328 WEEB6_SystemUpdate.exe 31 PID 2328 wrote to memory of 2412 2328 WEEB6_SystemUpdate.exe 31 PID 2328 wrote to memory of 2412 2328 WEEB6_SystemUpdate.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\WEEB6_SystemUpdate.exe"C:\Users\Admin\AppData\Local\Temp\WEEB6_SystemUpdate.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2328 -
C:\Users\Admin\AppData\Local\Temp\onefile_2328_133873433376384000\Stub.exeC:\Users\Admin\AppData\Local\Temp\WEEB6_SystemUpdate.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2412
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4.3MB
MD5e4533934b37e688106beac6c5919281e
SHA1ada39f10ef0bbdcf05822f4260e43d53367b0017
SHA2562bf761bae584ba67d9a41507b45ebd41ab6ae51755b1782496d0bc60cc1d41d5
SHA512fa681a48ddd81854c9907026d4f36b008e509729f1d9a18a621f1d86cd1176c1a1ff4f814974306fa4d9e3886e2ce112a4f79b66713e1401f5dae4bcd8b898b9