Analysis
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max time kernel
117s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
20-11-2024 23:29
Behavioral task
behavioral1
Sample
a3d33157cfd51a4192a40c9b3dc5d2f5a77f68b9d472f85af2bff586940232e0.dll
Resource
win7-20240903-en
General
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Target
a3d33157cfd51a4192a40c9b3dc5d2f5a77f68b9d472f85af2bff586940232e0.dll
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Size
76KB
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MD5
ba2957f9395a80ee045cddaff72630dd
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SHA1
86119e3e04002bd55160a9fb3651ca0f7ca9fed2
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SHA256
a3d33157cfd51a4192a40c9b3dc5d2f5a77f68b9d472f85af2bff586940232e0
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SHA512
0c501cf965d4ee72c0696963243d6dfbb6db69e2a17270e965241d9325d60b69b781ce86135e7d45c327528806d48bc51b259f90c72837f92e4d48ebc52f5a1f
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SSDEEP
1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZMlPV:c8y93KQjy7G55riF1cMo03SlPV
Malware Config
Signatures
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Processes:
resource yara_rule behavioral1/memory/2532-0-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2532-1-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2532-2-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 1904 2532 WerFault.exe 30 -
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 2532 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid Process procid_target PID 2344 wrote to memory of 2532 2344 rundll32.exe 30 PID 2344 wrote to memory of 2532 2344 rundll32.exe 30 PID 2344 wrote to memory of 2532 2344 rundll32.exe 30 PID 2344 wrote to memory of 2532 2344 rundll32.exe 30 PID 2344 wrote to memory of 2532 2344 rundll32.exe 30 PID 2344 wrote to memory of 2532 2344 rundll32.exe 30 PID 2344 wrote to memory of 2532 2344 rundll32.exe 30 PID 2532 wrote to memory of 1904 2532 rundll32.exe 31 PID 2532 wrote to memory of 1904 2532 rundll32.exe 31 PID 2532 wrote to memory of 1904 2532 rundll32.exe 31 PID 2532 wrote to memory of 1904 2532 rundll32.exe 31
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a3d33157cfd51a4192a40c9b3dc5d2f5a77f68b9d472f85af2bff586940232e0.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2344 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a3d33157cfd51a4192a40c9b3dc5d2f5a77f68b9d472f85af2bff586940232e0.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 3043⤵
- Program crash
PID:1904
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