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
17-08-2024 05:01
Behavioral task
behavioral1
Sample
39b05e355025b893002e3bbc6bcecc60N.dll
Resource
win7-20240704-en
General
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Target
39b05e355025b893002e3bbc6bcecc60N.dll
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Size
76KB
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MD5
39b05e355025b893002e3bbc6bcecc60
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SHA1
5346e4e3f7fcb058c815292224faa3ee34ea40c9
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SHA256
e043ef18dd388af7aaa15b2fb459c8dd8c384a8258bc6df00e90c1b078a81c7c
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SHA512
3e4def8f1baca29aecdc397f4610c0ab4d8fac04818a414c0d037ea1d23c4f32238485ecd01cdd3dc92411193c6a6594f8fa8a6d31f756b556f89d05966fe7c7
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SSDEEP
1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z1c:c8y93KQjy7G55riF1cMo03/c
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/2960-2-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2960-1-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2960-3-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 2288 2960 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 2960 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid Process procid_target PID 1896 wrote to memory of 2960 1896 rundll32.exe 30 PID 1896 wrote to memory of 2960 1896 rundll32.exe 30 PID 1896 wrote to memory of 2960 1896 rundll32.exe 30 PID 1896 wrote to memory of 2960 1896 rundll32.exe 30 PID 1896 wrote to memory of 2960 1896 rundll32.exe 30 PID 1896 wrote to memory of 2960 1896 rundll32.exe 30 PID 1896 wrote to memory of 2960 1896 rundll32.exe 30 PID 2960 wrote to memory of 2288 2960 rundll32.exe 31 PID 2960 wrote to memory of 2288 2960 rundll32.exe 31 PID 2960 wrote to memory of 2288 2960 rundll32.exe 31 PID 2960 wrote to memory of 2288 2960 rundll32.exe 31
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\39b05e355025b893002e3bbc6bcecc60N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1896 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\39b05e355025b893002e3bbc6bcecc60N.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2960 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 3323⤵
- Program crash
PID:2288
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