3f9b4dca68a3211b84335bea3dea651cc6ae2b3fcfaaca057debac69f4223f69 | Triage

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
16/03/2024, 00:49

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General

Target

$PLUGINSDIR/UserInfo.dll
Size

4KB
MD5

1178db8f35343834993d79887aa12350
SHA1

dab6309d66b84b6656c12c83aa8506f1c10b5e09
SHA256

6f64f1311a633ce83abd6f9e08dea53ba8836fb7239f889a7a74e80d70f48b87
SHA512

45196d63701037bcf55e0801f6d027844037cc799dbc847be579a04db0bb522e4c7c85b89a7ad15a5b0cf4d7d9d306fa3a36515bc554dde9cf1e82fbff0ad24d

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3592	3956	WerFault.exe	89

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3656 wrote to memory of 3956	3656	rundll32.exe	89
PID 3656 wrote to memory of 3956	3656	rundll32.exe	89
PID 3656 wrote to memory of 3956	3656	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3656
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
  2⤵
  PID:3956
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3956 -s 612
    3⤵
    - Program crash
    PID:3592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3956 -ip 3956
1⤵
PID:644

Network

MITRE ATT&CK Matrix

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