Analysis
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max time kernel
92s -
max time network
93s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
18-12-2024 08:37
Behavioral task
behavioral1
Sample
76ab03c7aa7266107316b3bac9f17dfeb8c55aee94280960a1eb1f18c3c720c8N.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
76ab03c7aa7266107316b3bac9f17dfeb8c55aee94280960a1eb1f18c3c720c8N.dll
Resource
win10v2004-20241007-en
General
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Target
76ab03c7aa7266107316b3bac9f17dfeb8c55aee94280960a1eb1f18c3c720c8N.dll
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Size
76KB
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MD5
694b853713cc2eaef09dafd1959a97e0
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SHA1
e86fe887e1a4139c1323de1e04f315094405a656
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SHA256
76ab03c7aa7266107316b3bac9f17dfeb8c55aee94280960a1eb1f18c3c720c8
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SHA512
3b5b14a236f6521e5e592cb0f462c8eee92ee72e2f94002eed7e6beb2ff77700bf0ba932970fb41b55d583761d0a19f939c61b9a6ab33481f24537d58b979dc0
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SSDEEP
1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZJ3j2ln:c8y93KQjy7G55riF1cMo03z3M
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/4456-0-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/4456-2-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 2512 4456 WerFault.exe 82 -
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 4456 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5040 wrote to memory of 4456 5040 rundll32.exe 82 PID 5040 wrote to memory of 4456 5040 rundll32.exe 82 PID 5040 wrote to memory of 4456 5040 rundll32.exe 82
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\76ab03c7aa7266107316b3bac9f17dfeb8c55aee94280960a1eb1f18c3c720c8N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:5040 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\76ab03c7aa7266107316b3bac9f17dfeb8c55aee94280960a1eb1f18c3c720c8N.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4456 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 7123⤵
- Program crash
PID:2512
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4456 -ip 44561⤵PID:1960