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
17-08-2024 01:02
Behavioral task
behavioral1
Sample
4afdad18bb81bf879f1a1407a6eecd40N.dll
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
4afdad18bb81bf879f1a1407a6eecd40N.dll
Resource
win10v2004-20240802-en
General
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Target
4afdad18bb81bf879f1a1407a6eecd40N.dll
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Size
76KB
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MD5
4afdad18bb81bf879f1a1407a6eecd40
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SHA1
3059646a4b2bdb979ee3142790c95527ce99d194
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SHA256
e918554e6a9665af01ca9be92059241033a36a00471c406c15b00b63680557ed
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SHA512
68047f6c885de3d04ea81f94bc6a470ccc7b7e726670fc28dc1a93a50dd9a6412ec0bcaa88567226a6cc754459a076118ec9247acd847d121799d99fb97c22ee
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SSDEEP
1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZI0i0:c8y93KQjy7G55riF1cMo03iv0
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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Processes:
resource yara_rule behavioral2/memory/3388-0-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3388-1-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 2772 3388 WerFault.exe 86 -
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 3388 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid Process procid_target PID 3672 wrote to memory of 3388 3672 rundll32.exe 86 PID 3672 wrote to memory of 3388 3672 rundll32.exe 86 PID 3672 wrote to memory of 3388 3672 rundll32.exe 86
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4afdad18bb81bf879f1a1407a6eecd40N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3672 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4afdad18bb81bf879f1a1407a6eecd40N.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3388 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3388 -s 6923⤵
- Program crash
PID:2772
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3388 -ip 33881⤵PID:3692