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Analysis
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max time kernel
120s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
26/12/2023, 04:04
Static task
static1
Behavioral task
behavioral1
Sample
52bcc43a4e22546f4cb37f385b88ab7a.jad
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
52bcc43a4e22546f4cb37f385b88ab7a.jad
Resource
win10v2004-20231222-en
General
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Target
52bcc43a4e22546f4cb37f385b88ab7a.jad
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Size
27KB
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MD5
52bcc43a4e22546f4cb37f385b88ab7a
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SHA1
f96c4c4cc463f908f49753d9c5ebd44391695a2a
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SHA256
025860257d881122713f5ff51430f367ed19549ac823f67042b3e2653e7c2b0c
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SHA512
955a2330f9f93579322e059f4cfa9e99f5b80e093f953a82044e0b9e81a7f992b5aee87fb04ee4252dca8d9b090be62ce3aa55fee5272542163b38fccf5fd851
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SSDEEP
768:1363yyfXgD7tl/qiBszqdeGXMzw911nFW:V63yYe7HsOeGX8wxnFW
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-1-5-21-1268429524-3929314613-1992311491-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\jad_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\jad_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\.jad\ = "jad_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\jad_auto_file\shell rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\jad_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\jad_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\jad_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\.jad rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2608 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2608 AcroRd32.exe 2608 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2232 wrote to memory of 2736 2232 cmd.exe 29 PID 2232 wrote to memory of 2736 2232 cmd.exe 29 PID 2232 wrote to memory of 2736 2232 cmd.exe 29 PID 2736 wrote to memory of 2608 2736 rundll32.exe 30 PID 2736 wrote to memory of 2608 2736 rundll32.exe 30 PID 2736 wrote to memory of 2608 2736 rundll32.exe 30 PID 2736 wrote to memory of 2608 2736 rundll32.exe 30
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\52bcc43a4e22546f4cb37f385b88ab7a.jad1⤵
- Suspicious use of WriteProcessMemory
PID:2232 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\52bcc43a4e22546f4cb37f385b88ab7a.jad2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2736 -
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\52bcc43a4e22546f4cb37f385b88ab7a.jad"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2608
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD53c55097498e00ac1bf0aaed1e5e17a48
SHA12b8a184efe5d1703133bd0840be9b807d6a8f243
SHA256edce5e38831e601df65aea09e0077bd8e2f240b26d1b06b507b3ed38f51f8e92
SHA51229ed363f3d5b003cdfbc34882ca66ab23942923d4ee78072976677c7086f40aee35fa3d2f7f228e7ba86d57506ef0e32070bdd2c18e561571a3f83348c4c85df