7d58b21565bd4e1025e1a82f1209e30b1a7c67d0a7000b04cbbd83662d1812d2 | Triage

Analysis

max time kernel
155s
max time network
198s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/03/2024, 12:39

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General

Target

MCompressLib.dll
Size

146KB
MD5

a58a1ae217d6ba454ef3aa2dbce9e420
SHA1

0001ddf16adf983139de3f664b2423e1a47dc6be
SHA256

3daac42a32b827528ff9d450898fb09941e69f2c0f38de80c32502fffa36a44c
SHA512

5b4da286124d28b943be2c6c20481b1a287983a37dc17562e9a439c29793b526845919036eea94393fe31877d51629cef27dbac5fb1e89bb3dfba59cfe7f20b6
SSDEEP

1536:ZTC0QnuAXNpZQ2dwoBJ2JI2EXdTqYmoikaBnmTOt9s9O:ZTCbH9cBI/tLmoikCneOt9s9O

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4640	1344	WerFault.exe	89

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3756 wrote to memory of 1344	3756	rundll32.exe	89
PID 3756 wrote to memory of 1344	3756	rundll32.exe	89
PID 3756 wrote to memory of 1344	3756	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MCompressLib.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3756
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\MCompressLib.dll,#1
  2⤵
  PID:1344
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 616
    3⤵
    - Program crash
    PID:4640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1344 -ip 1344
1⤵
PID:2216

Network

MITRE ATT&CK Matrix

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