Analysis
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max time kernel
94s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12-10-2024 20:40
Static task
static1
Behavioral task
behavioral1
Sample
3c9c9493f0fc436d8cfd2c132e876ec3542b8b0a5ae099f421b0c15141d1d69dN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
3c9c9493f0fc436d8cfd2c132e876ec3542b8b0a5ae099f421b0c15141d1d69dN.exe
Resource
win10v2004-20241007-en
General
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Target
3c9c9493f0fc436d8cfd2c132e876ec3542b8b0a5ae099f421b0c15141d1d69dN.exe
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Size
282KB
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MD5
e42bc6567a8f17ea72e74c5c03c86850
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SHA1
389a523e9b28de80c0ae1dd5b18680bb95982446
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SHA256
3c9c9493f0fc436d8cfd2c132e876ec3542b8b0a5ae099f421b0c15141d1d69d
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SHA512
bdac05fb85c6cb36c726bfd240d8393b64624b0b5ec568bcc7fd511e365778be5d0f5258e7ec6e95f90e6dedd392a76b3d876335fa28e4bcc91b42385a008a1c
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SSDEEP
6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkfMu:boSeGUA5YZazpXUmZhZ6SS
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
3c9c9493f0fc436d8cfd2c132e876ec3542b8b0a5ae099f421b0c15141d1d69dN.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation 3c9c9493f0fc436d8cfd2c132e876ec3542b8b0a5ae099f421b0c15141d1d69dN.exe -
Executes dropped EXE 1 IoCs
Processes:
a1punf5t2of.exepid Process 320 a1punf5t2of.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
3c9c9493f0fc436d8cfd2c132e876ec3542b8b0a5ae099f421b0c15141d1d69dN.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" 3c9c9493f0fc436d8cfd2c132e876ec3542b8b0a5ae099f421b0c15141d1d69dN.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
3c9c9493f0fc436d8cfd2c132e876ec3542b8b0a5ae099f421b0c15141d1d69dN.exea1punf5t2of.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3c9c9493f0fc436d8cfd2c132e876ec3542b8b0a5ae099f421b0c15141d1d69dN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a1punf5t2of.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
3c9c9493f0fc436d8cfd2c132e876ec3542b8b0a5ae099f421b0c15141d1d69dN.exea1punf5t2of.exedescription pid Process procid_target PID 4328 wrote to memory of 320 4328 3c9c9493f0fc436d8cfd2c132e876ec3542b8b0a5ae099f421b0c15141d1d69dN.exe 86 PID 4328 wrote to memory of 320 4328 3c9c9493f0fc436d8cfd2c132e876ec3542b8b0a5ae099f421b0c15141d1d69dN.exe 86 PID 4328 wrote to memory of 320 4328 3c9c9493f0fc436d8cfd2c132e876ec3542b8b0a5ae099f421b0c15141d1d69dN.exe 86 PID 320 wrote to memory of 3736 320 a1punf5t2of.exe 87 PID 320 wrote to memory of 3736 320 a1punf5t2of.exe 87 PID 320 wrote to memory of 3736 320 a1punf5t2of.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\3c9c9493f0fc436d8cfd2c132e876ec3542b8b0a5ae099f421b0c15141d1d69dN.exe"C:\Users\Admin\AppData\Local\Temp\3c9c9493f0fc436d8cfd2c132e876ec3542b8b0a5ae099f421b0c15141d1d69dN.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4328 -
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:320 -
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"3⤵PID:3736
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
282KB
MD5a71f2a6e49ff19d72d16dc720bcf5c72
SHA1412abe1e6d6c13fcba7eef16b5245a038da07b25
SHA256e5f3a2a57020de8d66562eba2d89bacbaa8c8624e56b44bc8373caf13d9efe49
SHA512623b4785d3231a179428801917e72822a0713200999430b6a90ff92ba70dd173396ea5a78fdd2a706d551cbe7d4e15a0594de5af913d406ebee4e864c661abd3