Analysis
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max time kernel
122s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
26/05/2024, 03:10
Behavioral task
behavioral1
Sample
main.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
main.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
main.pyc
Resource
win7-20240215-en
Behavioral task
behavioral4
Sample
main.pyc
Resource
win10v2004-20240226-en
General
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Target
main.pyc
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Size
1KB
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MD5
5841878eab75458d427a4a0081b02da6
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SHA1
3203cb889cdcde645a0d7c190be0893432c8b08b
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SHA256
7609504c4b2ea3bc876ee65fe0863a5e06903885a20975b918b26d9209ff2c7b
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SHA512
00aea1f568249a9f97698c73567d7f30a0d2a64f5f352480ad27c4bf81158410ba6023df84e7fe10a2007568f2e6d7dc46359134ce542d2c5ed3f39100084a38
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-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pyc_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pyc_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pyc_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pyc_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.pyc rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.pyc\ = "pyc_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pyc_auto_file\shell\Read rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2232 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2232 AcroRd32.exe 2232 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2080 wrote to memory of 2816 2080 cmd.exe 29 PID 2080 wrote to memory of 2816 2080 cmd.exe 29 PID 2080 wrote to memory of 2816 2080 cmd.exe 29 PID 2816 wrote to memory of 2232 2816 rundll32.exe 30 PID 2816 wrote to memory of 2232 2816 rundll32.exe 30 PID 2816 wrote to memory of 2232 2816 rundll32.exe 30 PID 2816 wrote to memory of 2232 2816 rundll32.exe 30
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc1⤵
- Suspicious use of WriteProcessMemory
PID:2080 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\main.pyc2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2816 -
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\main.pyc"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2232
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD559925f83193e2682a7a3a6b35e3dd44f
SHA1785f166e30cafcf30fff181c865a1acb467ca869
SHA2563058178346dafad31a48a7adb766b39f78c9e0bc286fc1acee246da95836cb62
SHA51269e062bca2f62020204da9e48dbd5f1eebd58e7ecbba2a0f6a43b0bdf9d271e7538f26edf6a8d8b734a519d9a098c326a7c7692ef33e6d3cb7e12bfb348e252c