Analysis
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max time kernel
119s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
28/05/2024, 21:41
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
win7-20240508-en
Behavioral task
behavioral4
Sample
main.pyc
Resource
win10v2004-20240508-en
General
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Target
main.pyc
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Size
7KB
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MD5
8d37f316447dbc4c9b2f5c3bd6ffc714
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SHA1
60f082864e47a04771e608cb57d3f28840155430
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SHA256
f99f867c0f5d238dc4adbc541c8d252303bf1e9843a932819d2bcdfe897f1811
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SHA512
9706a3ebf826eb1f20aa828383486d8bf7e14736570bed783291dbb740ffe697570b66430a84dc0384ce71e7b6116dfaa34f2200751d8d4b8833f50d130cf234
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SSDEEP
96:zTAjADtHozb9dS5be24D3VgANPEkUwNHnxTYCJK:IjsHozfCbe223VgANPDU2n6C4
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-1-5-21-2737914667-933161113-3798636211-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pyc_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pyc_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.pyc rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.pyc\ = "pyc_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pyc_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pyc_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pyc_auto_file\shell\Read\command rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2808 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2808 AcroRd32.exe 2808 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1964 wrote to memory of 2724 1964 cmd.exe 29 PID 1964 wrote to memory of 2724 1964 cmd.exe 29 PID 1964 wrote to memory of 2724 1964 cmd.exe 29 PID 2724 wrote to memory of 2808 2724 rundll32.exe 30 PID 2724 wrote to memory of 2808 2724 rundll32.exe 30 PID 2724 wrote to memory of 2808 2724 rundll32.exe 30 PID 2724 wrote to memory of 2808 2724 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:1964 -
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:2724 -
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:2808
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD5e7bd37b7297d6819b265a874954e154d
SHA13bc3f386df246265290d8aee9989da29c2b1f67a
SHA2560510c8ce1a2eb2c29ada8e4f286bcffb4f4f4939efa0eff07a84763fa92d679d
SHA5121c6e55af7c273293f3f133cc912803ded65ec85e0987bfa8888279a2b0333c2d53e427e2ecba7c5e9f47d71249546d5824c24d16ef77b5b763db26cea622dbaf