1328ef967bdb08e0e5f8802fe69f3caa9b0cf4d1268c52eff85c38e002cdf79d | Triage

Analysis

max time kernel
134s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
26-05-2024 00:10

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General

Target

$PLUGINSDIR/fat.dll
Size

120KB
MD5

a8d5f95a46df6da00d76794551a98883
SHA1

0e17c53b0f34265b350283b8ffbb6dc9e7e4291d
SHA256

d6d045f56c06235e9c1ec704776f3fcd5f38db405c6a51d989d8b4926fa42c00
SHA512

c65e86a687488f757a3168b4c34321f0ba5947ba9aaa89c33483ea487694c4a8ac41766dea54d6059452d63de2c17bf9ec71ff156a115e9b48e37dca7762274b
SSDEEP

1536:Fg/Btk1bKjUpXhHvuvCfoH2mv9uRHMtFxYorLOVnyB6ZHzzeMS5N:m//0qUpdSRvKstXLOu6ZTzVS5N

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1564	916	WerFault.exe	82

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 916	5004	rundll32.exe	82
PID 5004 wrote to memory of 916	5004	rundll32.exe	82
PID 5004 wrote to memory of 916	5004	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\fat.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\fat.dll,#1
  2⤵
  PID:916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 916 -s 600
    3⤵
    - Program crash
    PID:1564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 916 -ip 916
1⤵
PID:5016

Network

MITRE ATT&CK Matrix

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