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Analysis
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max time kernel
95s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
02/02/2025, 07:23
Behavioral task
behavioral1
Sample
cf59971a43fa5b09bc4b40303dcd144988be2ca6199bc59d0beebcc0ec0f92ee.dll
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
cf59971a43fa5b09bc4b40303dcd144988be2ca6199bc59d0beebcc0ec0f92ee.dll
Resource
win10v2004-20250129-en
General
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Target
cf59971a43fa5b09bc4b40303dcd144988be2ca6199bc59d0beebcc0ec0f92ee.dll
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Size
76KB
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MD5
ae96d3f52f8cabe3be3cb53ffff51c54
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SHA1
3395ad0bcc4ce216ba8c854d2d6d636b3f4120ae
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SHA256
cf59971a43fa5b09bc4b40303dcd144988be2ca6199bc59d0beebcc0ec0f92ee
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SHA512
99a088b762c6535bd5117c54447621545a11994eab862f2c8af1338627a2162684a4c907053ad0a3bf4cd268bbf2e44a262c16d4963af659b8a6d4b16bfbe72b
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SSDEEP
1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZwWkB+:c8y93KQjy7G55riF1cMo03yfA
Malware Config
Signatures
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Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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resource yara_rule behavioral2/memory/3116-0-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3116-2-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 4948 3116 WerFault.exe 83 -
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 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3116 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3864 wrote to memory of 3116 3864 rundll32.exe 83 PID 3864 wrote to memory of 3116 3864 rundll32.exe 83 PID 3864 wrote to memory of 3116 3864 rundll32.exe 83
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cf59971a43fa5b09bc4b40303dcd144988be2ca6199bc59d0beebcc0ec0f92ee.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3864 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cf59971a43fa5b09bc4b40303dcd144988be2ca6199bc59d0beebcc0ec0f92ee.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3116 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3116 -s 7003⤵
- Program crash
PID:4948
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3116 -ip 31161⤵PID:4788