51d227153368cf8a5f4c641ccff91c98af70389f31a8f0b56c2a541cdcd07b2b | Triage

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
20/05/2024, 13:57

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General

Target

$PLUGINSDIR/CRCCheck.dll
Size

3KB
MD5

ab4d03cf938fd9c748349b901314f6cd
SHA1

5b8fcd9a8a496c3ddf5267ac62c147359f44a93b
SHA256

55f7f4acf8b1eaa975fac2362633cc91d67d9749caa7916b9b6999db0f83e1c6
SHA512

3d2c730472fa371450e50313c28d5310d5edcf30fef5fab649151fda41721b2169884c2174cd247f09c666164ad68fa2e974f6b2c48e96fa4491758a358389aa

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2444	548	WerFault.exe	82

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3160 wrote to memory of 548	3160	rundll32.exe	82
PID 3160 wrote to memory of 548	3160	rundll32.exe	82
PID 3160 wrote to memory of 548	3160	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\CRCCheck.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3160
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\CRCCheck.dll,#1
  2⤵
  PID:548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 548 -s 600
    3⤵
    - Program crash
    PID:2444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 548 -ip 548
1⤵
PID:5056

Network

MITRE ATT&CK Matrix

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