Analysis
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max time kernel
103s -
max time network
105s -
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 19:54
Behavioral task
behavioral1
Sample
cff215800d65b8e3a2fbb46776c04fb0N.dll
Resource
win7-20240705-en
5 signatures
120 seconds
General
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Target
cff215800d65b8e3a2fbb46776c04fb0N.dll
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Size
76KB
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MD5
cff215800d65b8e3a2fbb46776c04fb0
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SHA1
f91fd06722cf40a965824e6a78bc5cc8416196b0
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SHA256
443e72779d741b4330f95d0be2925a4b9090167df6d576d65364710af3e05e24
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SHA512
427ca003e16da62384fe1686f8082e5a81040b00d8cd6f374824b60d8750af30feb9a6c87cf583201355c332d1044055a1596af929d3c989ba3a4da7341e8756
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SSDEEP
1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZvQpBFS:c8y93KQjy7G55riF1cMo03BQpBFS
Malware Config
Signatures
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Processes:
resource yara_rule behavioral2/memory/4900-0-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/4900-2-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 1120 4900 WerFault.exe 84 -
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 4900 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid Process procid_target PID 4560 wrote to memory of 4900 4560 rundll32.exe 84 PID 4560 wrote to memory of 4900 4560 rundll32.exe 84 PID 4560 wrote to memory of 4900 4560 rundll32.exe 84
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cff215800d65b8e3a2fbb46776c04fb0N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4560 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cff215800d65b8e3a2fbb46776c04fb0N.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4900 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4900 -s 7043⤵
- Program crash
PID:1120
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4900 -ip 49001⤵PID:2724