8b62014736b933a0f66789c2c6a8e0d71c360dee9307383834efecf471283b23 | Triage

Analysis

max time kernel
132s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
21/05/2024, 06:06

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General

Target

fms.dll
Size

164KB
MD5

f2ea17c6a3e6c1f914420aaaacb51da0
SHA1

41c301519e39275b8a3b2b71ab83a4e206cab05e
SHA256

8b62014736b933a0f66789c2c6a8e0d71c360dee9307383834efecf471283b23
SHA512

6f5940d630e608d90584e0c3fbd5b65bf3111558531028fe9a149754f0ab118815081391d472c436aa99731f2ad9b34658db20e873f2a7e711cd5433d5fbb65b
SSDEEP

3072:IV+hBZoKdiGb5P62oR5U1F/HS1lpzj5OOv/Vzmx1pj7e4t/dB1mQ8bSXXq4:UcldiGdPDX1tHENQQ4t/dLcb86

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4260	3652	WerFault.exe	83

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 3652	2988	rundll32.exe	83
PID 2988 wrote to memory of 3652	2988	rundll32.exe	83
PID 2988 wrote to memory of 3652	2988	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fms.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fms.dll,#1
  2⤵
  PID:3652
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3652 -s 624
    3⤵
    - Program crash
    PID:4260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3652 -ip 3652
1⤵
PID:2224

Network

MITRE ATT&CK Matrix

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