Analysis
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max time kernel
137s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
16-08-2024 20:52
Behavioral task
behavioral1
Sample
31207029d2834eac2455bada703efb02b60f0b5d4bf8b63828a60ead4f7707ab.dll
Resource
win7-20240705-en
General
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Target
31207029d2834eac2455bada703efb02b60f0b5d4bf8b63828a60ead4f7707ab.dll
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Size
76KB
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MD5
a704e4d804514083e2f07e4c4e247374
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SHA1
e3db0816b5c24a751df4d41502af9a874812b284
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SHA256
31207029d2834eac2455bada703efb02b60f0b5d4bf8b63828a60ead4f7707ab
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SHA512
0951e52700d32ca345899949821b73954a8cc7b4ef97b21d8ad9a142118bae821d50af79e27bb73b1d6f336d49437e2d68a36d09e354d3bf76db15f6fa3bbc4c
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SSDEEP
1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z48O1:c8y93KQjy7G55riF1cMo03CD1
Malware Config
Signatures
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Processes:
resource yara_rule behavioral2/memory/4444-0-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/4444-1-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 3792 4444 WerFault.exe 85 -
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.
Processes:
rundll32.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
rundll32.exedescription pid Process Token: SeDebugPrivilege 4444 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid Process procid_target PID 4700 wrote to memory of 4444 4700 rundll32.exe 85 PID 4700 wrote to memory of 4444 4700 rundll32.exe 85 PID 4700 wrote to memory of 4444 4700 rundll32.exe 85
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\31207029d2834eac2455bada703efb02b60f0b5d4bf8b63828a60ead4f7707ab.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4700 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\31207029d2834eac2455bada703efb02b60f0b5d4bf8b63828a60ead4f7707ab.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4444 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 6643⤵
- Program crash
PID:3792
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4444 -ip 44441⤵PID:4092