158a8552791daf6d1edada33ce30a16fb459b8f585e2c1821e943f973c282e7f | Triage

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06-09-2022 00:06

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General

Target

CrashInfo.SA.dll
Size

449KB
MD5

2ff14ecd0de8dd893dac16c72b6488a1
SHA1

24ab165560f92784701ef56d643923c98e8b1156
SHA256

98d6277dafd1915795527fc23cfeebd58fae87f4c269761defcaea766156992e
SHA512

4ebf323ee7ad8ffabe794ea00239cea8ebcdb697cd73cd87b6f840c42cbf5a437beeb7820d07ec17677ab6f6613f6bd317bd29fa527729c31e0e3425e6654427
SSDEEP

12288:hwuyGdPHY7vsijRsI5yO8pzBlonudLZ2RMGhBlaCJ:htHOvsijRsI5YtZ2qMl

Score

3^/10

Malware Config

Signatures

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

2912 4308 WerFault.exe rundll32.exe
1608 4308 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 744 wrote to memory of 4308	744	rundll32.exe	rundll32.exe
PID 744 wrote to memory of 4308	744	rundll32.exe	rundll32.exe
PID 744 wrote to memory of 4308	744	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\CrashInfo.SA.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:744

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\CrashInfo.SA.dll,#1
2⤵
PID:4308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4308 -s 604
3⤵
- Program crash
PID:2912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4308 -s 832
3⤵
- Program crash
PID:1608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4308 -ip 4308
1⤵
PID:5116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4308 -ip 4308
1⤵
PID:2008

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4308-132-0x0000000000000000-mapping.dmp

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