1f1ad9c1f639326946f39129cb9ff5015669a0a3dd9e21db07163fb48cb6b709 | Triage

Analysis

max time kernel
451s
max time network
489s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
03/05/2024, 17:51

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General

Target

$PLUGINSDIR/StartMenu.dll
Size

7KB
MD5

a8c86996c4230c2209f5927f21321377
SHA1

45ce0ab93cb6a3a594e54878cce05df724024393
SHA256

110545415a59402635e1c9439acba15b44bab268ed02ad2a262ce12604a47855
SHA512

69ee73496b916777936b0dddd2cc4a4f916e393f7d0b167cba77a4a239ee1e3f645d9b90dee1627c42a23eb6c3403e4d086546b9f78b3a2e4999c8f92f6a3bc3
SSDEEP

96:mIt3J2Gl0eVe0+Cfo0UkXt6+o69UiGdPh5/utta/23lkCTcaqHCI:bhE+A0+sF6piUFkAylncviI

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1140	3588	WerFault.exe	79

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 856 wrote to memory of 3588	856	rundll32.exe	79
PID 856 wrote to memory of 3588	856	rundll32.exe	79
PID 856 wrote to memory of 3588	856	rundll32.exe	79

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StartMenu.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StartMenu.dll,#1
  2⤵
  PID:3588
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3588 -s 512
    3⤵
    - Program crash
    PID:1140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3588 -ip 3588
1⤵
PID:1520

Network

MITRE ATT&CK Matrix

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