Analysis
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max time kernel
111s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
16-08-2024 18:58
Behavioral task
behavioral1
Sample
833659f9cdc0853866f5e02e68e08e70N.dll
Resource
win7-20240704-en
General
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Target
833659f9cdc0853866f5e02e68e08e70N.dll
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Size
76KB
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MD5
833659f9cdc0853866f5e02e68e08e70
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SHA1
db9116d61ffce72a28835541b4faeae6f1ed3719
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SHA256
2b2dfaa76e43988d65b84e3502776c7ce68224db71445d35e2182b5383a1b5dc
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SHA512
5324c2300ffd757cd077fd7d75e43b71c6fe746b3669c3f26a20344f52a53ca99fb534968a020c1e2c1cbd604ff0a8389707a78f937b0785524b7e7c5779b85c
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SSDEEP
1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZDxDB3oqP8vLq2jKU7:c8y93KQjy7G55riF1cMo03lxK
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 behavioral1/memory/1420-1-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/1420-0-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/1420-2-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 2476 1420 WerFault.exe 29 -
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 1420 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid Process procid_target PID 1996 wrote to memory of 1420 1996 rundll32.exe 29 PID 1996 wrote to memory of 1420 1996 rundll32.exe 29 PID 1996 wrote to memory of 1420 1996 rundll32.exe 29 PID 1996 wrote to memory of 1420 1996 rundll32.exe 29 PID 1996 wrote to memory of 1420 1996 rundll32.exe 29 PID 1996 wrote to memory of 1420 1996 rundll32.exe 29 PID 1996 wrote to memory of 1420 1996 rundll32.exe 29 PID 1420 wrote to memory of 2476 1420 rundll32.exe 30 PID 1420 wrote to memory of 2476 1420 rundll32.exe 30 PID 1420 wrote to memory of 2476 1420 rundll32.exe 30 PID 1420 wrote to memory of 2476 1420 rundll32.exe 30
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\833659f9cdc0853866f5e02e68e08e70N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1996 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\833659f9cdc0853866f5e02e68e08e70N.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1420 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1420 -s 3323⤵
- Program crash
PID:2476
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