21e431d36e4c3100b886e644d544d7e4458a83322dd7d15257e1badc95af83a9 | Triage

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/04/2024, 02:00

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General

Target

avimszh.dll
Size

68KB
MD5

253118fe1eedea04a95ed6e5f4c28878
SHA1

03a366fbf5371c58bb47e08b9312b69f22e14e30
SHA256

d0641cff269b4a8d2a19d5577b22dcac5dd7b9d00c87161b3b5d9fc47794ae8b
SHA512

a800e0e5beff2d1fdfe5de11279c4c14809afbbc6db23345086ad3a6ad64c30b2d4907a53ec99af4e6c04e8ab32a509ad1643b47f0231aa3c8e0fc279cba76fa
SSDEEP

1536:2NTGOSmx1vlOBTpXpccBvTQ/gEoF+iDz:2NpSvCcxQ/gEoFfDz

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3980	1800	WerFault.exe	88

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1108 wrote to memory of 1800	1108	rundll32.exe	88
PID 1108 wrote to memory of 1800	1108	rundll32.exe	88
PID 1108 wrote to memory of 1800	1108	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\avimszh.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1108
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\avimszh.dll,#1
  2⤵
  PID:1800
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 628
    3⤵
    - Program crash
    PID:3980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1800 -ip 1800
1⤵
PID:4672

Network

MITRE ATT&CK Matrix

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