76d14f9ae745dfba1329c51be61e3b2ba2aa645fc8c5cc8ec80515d391e22345 | Triage

Analysis

max time kernel
66s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
28-04-2024 06:18

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General

Target

$PLUGINSDIR/UAC.dll
Size

13KB
MD5

a88baad3461d2e9928a15753b1d93fd7
SHA1

bb826e35264968bbc3b981d8430ac55df1e6d4a6
SHA256

c5ab2926c268257122d0342739e73573d7eeda34c861bc7a68a02cbc69bd41af
SHA512

5edcf46680716930da7fd1a41b8b0426f057cf4becefb3ee84798ec8b449726afb822fb626c4942036a1ae3bb937184d1f71d0e45075abb5bf167f5d833df43a
SSDEEP

192:qP6KdXy+Yo7e1J8qC25a5mDFmCLGUCVGpU6uNck87I0S/TDqwyTq+:q/q3Pgd5mx6VkEck87ILCTN

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

740 4536 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 216 wrote to memory of 4536	216	rundll32.exe	rundll32.exe
PID 216 wrote to memory of 4536	216	rundll32.exe	rundll32.exe
PID 216 wrote to memory of 4536	216	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:216
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
  2⤵
  PID:4536
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4536 -s 624
    3⤵
    - Program crash
    PID:740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4536 -ip 4536
1⤵
PID:4500

Network

MITRE ATT&CK Matrix

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