Analysis
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max time kernel
143s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
07/03/2025, 16:26
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
blah2.exe
Resource
win7-20241010-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
blah2.exe
Resource
win10v2004-20250217-en
10 signatures
150 seconds
General
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Target
blah2.exe
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Size
106KB
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MD5
2837c6696df8a6a101567312047698b7
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SHA1
a8e9d668851a33c2d33598052264bb2a91b1201e
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SHA256
7fa538a1235f7d537b42c0efabea57cfce678dbaeab881057a54ef5035336cf7
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SHA512
5560e319f6bd2fd594747cc1df801112efcc57a81397f30be821ced0db8f1e035c56795feeec961d4aedc8de9b6b5cd5b0e143e226faa78bd2d1f762bae85142
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SSDEEP
3072:tqcOyQUp43EBkYLGw2mZJ/yjgf6yFOBM:8cOI9LGwrJqm6ysB
Score
10/10
Malware Config
Signatures
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Detect Xworm Payload 1 IoCs
resource yara_rule behavioral2/memory/3432-4-0x0000000007AC0000-0x0000000007AD8000-memory.dmp family_xworm -
Xworm family
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MyApplication = "C:\\Users\\Admin\\AppData\\Local\\Temp\\blah2.exe" blah2.exe -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Explorer.EXE Key created \REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Explorer.EXE -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1984 blah2.exe 1984 blah2.exe 3432 Explorer.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3432 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 15 IoCs
description pid Process Token: SeShutdownPrivilege 3432 Explorer.EXE Token: SeCreatePagefilePrivilege 3432 Explorer.EXE Token: SeShutdownPrivilege 3432 Explorer.EXE Token: SeCreatePagefilePrivilege 3432 Explorer.EXE Token: SeDebugPrivilege 3432 Explorer.EXE Token: SeShutdownPrivilege 3432 Explorer.EXE Token: SeCreatePagefilePrivilege 3432 Explorer.EXE Token: SeShutdownPrivilege 3432 Explorer.EXE Token: SeCreatePagefilePrivilege 3432 Explorer.EXE Token: SeShutdownPrivilege 3432 Explorer.EXE Token: SeCreatePagefilePrivilege 3432 Explorer.EXE Token: SeShutdownPrivilege 3432 Explorer.EXE Token: SeCreatePagefilePrivilege 3432 Explorer.EXE Token: SeShutdownPrivilege 3432 Explorer.EXE Token: SeCreatePagefilePrivilege 3432 Explorer.EXE -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3432 Explorer.EXE -
Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1984 wrote to memory of 3432 1984 blah2.exe 56
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3432 -
C:\Users\Admin\AppData\Local\Temp\blah2.exe"C:\Users\Admin\AppData\Local\Temp\blah2.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1984
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