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Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
05/11/2024, 17:40
Behavioral task
behavioral1
Sample
3ce1e74b919e7fe6922679092b30f874a84674d7edd0a0815374dc0d88d00604.dex
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
3ce1e74b919e7fe6922679092b30f874a84674d7edd0a0815374dc0d88d00604.dex
Resource
win10v2004-20241007-en
General
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Target
3ce1e74b919e7fe6922679092b30f874a84674d7edd0a0815374dc0d88d00604.dex
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Size
7.0MB
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MD5
ad49458b8e8eb164537d1bf1de0c086b
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SHA1
4fdf8ccc11478b0b3a8546902b82ca6c4b38c7f4
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SHA256
3ce1e74b919e7fe6922679092b30f874a84674d7edd0a0815374dc0d88d00604
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SHA512
f767e7b7ab176ca70be5ef1dabaa1f27b7c05b797e0ddd0d7ecbf45c876d94b692be9dc3fcb461ab81d5990fa12c960eadad822e1b44e152147b8a3a878798cb
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SSDEEP
49152:L2dCjFLhTnIWe1RtK62VH9gMtFCYHTLKqTRscM7:qoj/TnIWutK62VXrnzL3ts37
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-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\dex_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\dex_auto_file\shell\Read\command rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\.dex rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\.dex\ = "dex_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\dex_auto_file\shell\Read rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\dex_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\dex_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000_CLASSES\dex_auto_file\ rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2592 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2500 AcroRd32.exe 2500 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3068 wrote to memory of 2592 3068 cmd.exe 31 PID 3068 wrote to memory of 2592 3068 cmd.exe 31 PID 3068 wrote to memory of 2592 3068 cmd.exe 31 PID 2592 wrote to memory of 2500 2592 rundll32.exe 32 PID 2592 wrote to memory of 2500 2592 rundll32.exe 32 PID 2592 wrote to memory of 2500 2592 rundll32.exe 32 PID 2592 wrote to memory of 2500 2592 rundll32.exe 32
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\3ce1e74b919e7fe6922679092b30f874a84674d7edd0a0815374dc0d88d00604.dex1⤵
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\3ce1e74b919e7fe6922679092b30f874a84674d7edd0a0815374dc0d88d00604.dex2⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2592 -
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\3ce1e74b919e7fe6922679092b30f874a84674d7edd0a0815374dc0d88d00604.dex"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2500
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD54cdee9df9f0014b8a5218c681a7dfed7
SHA1e590baa838faa373c0e017827978a4a0b1415736
SHA256dc3abced8bb84173fc2397eb7970e32960da18006a2eb8f9316070760eb6d5b8
SHA512965cf484a700b09faa77d932feae832c635a6e18976fe0cd6641fe13c969dcc696be9c517720af8a9ef68f620538a315900aa5919751969d67cc7f3048a08ef8