b5a7df1bce14af47db87f45e2ee5c2f53408d181da89d3490298e49714902a03 | Triage

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
19-07-2024 08:52

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General

Target

MCompressLib.dll
Size

146KB
MD5

c6f5dd9de2daec3a069b07936636ca5b
SHA1

33ee125f686c2a8d346121d761954b79adf31896
SHA256

88d288cc77434a7466f97fd70bc3f92507ded32edfa51355bd50d2609da8ea53
SHA512

d706ace66a7429f7451ea6b73f1d33a121b6429f7e9f68612446b431112aa77f1fba92ae2ff967dd40656d798e29ea05b0267e6f00c11e2dfd0ef3decba1a770
SSDEEP

1536:FTC0QnuAXNpZQ2dwoBJ2JI2EXdTqYmoBLbBnmTOtBBaO:FTCbH9cBI/tLmoBLtneOtBBaO

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4764	684	WerFault.exe	85

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 408 wrote to memory of 684	408	rundll32.exe	85
PID 408 wrote to memory of 684	408	rundll32.exe	85
PID 408 wrote to memory of 684	408	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MCompressLib.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:408
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\MCompressLib.dll,#1
  2⤵
  PID:684
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 684 -s 616
    3⤵
    - Program crash
    PID:4764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 684 -ip 684
1⤵
PID:3760

Network

MITRE ATT&CK Matrix

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