Analysis
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max time kernel
18s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
01-09-2024 01:19
Behavioral task
behavioral1
Sample
ElectronV3.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
ElectronV3.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
Stub.pyc
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
Stub.pyc
Resource
win10v2004-20240802-en
General
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Target
Stub.pyc
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Size
875KB
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MD5
362a5b1efbbda44240533e13cad8f122
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SHA1
d90715b86e44fba5383c967c1d36e6ac15b38e47
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SHA256
9318ab1fefde5fdbb18fb4bc01cd29c5c048565b1a07b049874bea3d90041aed
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SHA512
fa771ae4cc93893582941ec9d1f66d2bc96bd16ecdbaf7974d1c8638a890ba790efd23554827816e9e1bdb91fab16751ef691da72b8f20a0af2bb46f23540688
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SSDEEP
24576:YfnsmgKBdjdB4fjWIS/BRSVgYIjYR4KYpqhNaarU:szj4fujMmnpiaaY
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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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe -
Modifies registry class 9 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.pyc rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pyc_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pyc_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_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-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pyc_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pyc_auto_file\ rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.pyc\ = "pyc_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pyc_auto_file\shell\Read rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2636 AcroRd32.exe 2636 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2112 wrote to memory of 2796 2112 cmd.exe 31 PID 2112 wrote to memory of 2796 2112 cmd.exe 31 PID 2112 wrote to memory of 2796 2112 cmd.exe 31 PID 2796 wrote to memory of 2636 2796 rundll32.exe 32 PID 2796 wrote to memory of 2636 2796 rundll32.exe 32 PID 2796 wrote to memory of 2636 2796 rundll32.exe 32 PID 2796 wrote to memory of 2636 2796 rundll32.exe 32
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Stub.pyc1⤵
- Suspicious use of WriteProcessMemory
PID:2112 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Stub.pyc2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2796 -
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\Stub.pyc"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2636
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD5e39a27ea674b060d3a1e279df8a49c2e
SHA15eace08212345c12c17d9adec67914b0ded6b3cc
SHA2560844cd1020e0409082a5ab4942a4f8354878f9f07cf25253775aefb7135a87fe
SHA512637160bc190664a8f6559742ea4fb05e9115fb50835c4e679d43020ca2cb0f008419fc3c6f285ff1d1df3f739e9480a8708b20bff92d572f9305cb1d215a9497