Analysis
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max time kernel
117s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
06/07/2024, 09:07
Behavioral task
behavioral1
Sample
source_prepared.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
source_prepared.exe
Resource
win10v2004-20240704-en
Behavioral task
behavioral3
Sample
misc.pyc
Resource
win7-20240220-en
Behavioral task
behavioral4
Sample
misc.pyc
Resource
win10v2004-20240704-en
Behavioral task
behavioral5
Sample
source_prepared.pyc
Resource
win7-20240705-en
Behavioral task
behavioral6
Sample
source_prepared.pyc
Resource
win10v2004-20240704-en
General
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Target
misc.pyc
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Size
4KB
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MD5
204ee497021e32209ddde0c015b4dc19
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SHA1
6aa2c039e6b6fbfb3620d4fe42d115553702146b
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SHA256
a8355eef70645468d11a410d1402e0cab31a194e87172b523b1ff3dea5dbb0c2
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SHA512
961b15c0efe0478fdf9287e7b3b709233bcd9524be708f426b75dc91eb07ddfc2a2ce4f347d52a3e7402f5307ab755af093d660662fd3c4c465fd41e8d138d12
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SSDEEP
96:ySMlhlv6KPDweHPF8+VB7sHIZGhIW0vmyyZ1k93hub:LolvJ0evq+VBXZGh4vmV1kFhub
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 9 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\shell\Read\command rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pyc rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pyc\ = "pyc_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\shell\Read rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2860 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2860 AcroRd32.exe 2860 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2604 wrote to memory of 2120 2604 cmd.exe 29 PID 2604 wrote to memory of 2120 2604 cmd.exe 29 PID 2604 wrote to memory of 2120 2604 cmd.exe 29 PID 2120 wrote to memory of 2860 2120 rundll32.exe 30 PID 2120 wrote to memory of 2860 2120 rundll32.exe 30 PID 2120 wrote to memory of 2860 2120 rundll32.exe 30 PID 2120 wrote to memory of 2860 2120 rundll32.exe 30
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\misc.pyc1⤵
- Suspicious use of WriteProcessMemory
PID:2604 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\misc.pyc2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2120 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\misc.pyc"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2860
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD518c4f0ce6bfd4a0b3d9d7443a1ac9153
SHA17361d4d735302fbb955742f110007f79fe87e314
SHA25619481f50178732d797df26364555dbbdc2f7ff0bef9a9ecf85187418351cce5b
SHA512cef8ab86972348ae3cfc7f2df311268ceee7a8d5bbf33f4e1f1f9bac8d5927a8badffbb786fd9ef71a68277c67a58f0e073b74900038005da880911feedb0ced