3dd2c22842da9e5f9a4954f0dd9c69ad74350cd8922fde97fb8dfc79f8fe36fc | Triage

Analysis

max time kernel
147s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 20:08

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General

Target

$_43_/msvcp110.dll
Size

522KB
MD5

3e29914113ec4b968ba5eb1f6d194a0a
SHA1

557b67e372e85eb39989cb53cffd3ef1adabb9fe
SHA256

c8d5572ca8d7624871188f0acabc3ae60d4c5a4f6782d952b9038de3bc28b39a
SHA512

75078c9eaa5a7ae39408e5db1ce7dbce5a3180d1c644bcb5e481b0810b07cb7d001d68d1b4f462cd5355e98951716f041ef570fcc866d289a68ea19b3f500c43
SSDEEP

12288:FqULIc5nb9rywgfyhUgiW6QR7t5sA3Ooc8sHkC2eRxUH:PLHnhryLfBA3Ooc8sHkC2eRxUH

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1156 4640 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4312 wrote to memory of 4640	4312	rundll32.exe	rundll32.exe
PID 4312 wrote to memory of 4640	4312	rundll32.exe	rundll32.exe
PID 4312 wrote to memory of 4640	4312	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$_43_\msvcp110.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4312
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$_43_\msvcp110.dll,#1
  2⤵
  PID:4640
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4640 -s 604
    3⤵
    - Program crash
    PID:1156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4640 -ip 4640
1⤵
PID:2144

Network

MITRE ATT&CK Matrix

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