610301aed845d5cf63c54e871c568f1b09ed5c4f697b804033f77384ca212d7c | Triage

Analysis

max time kernel
130s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 01:34

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General

Target

$PLUGINSDIR/UserInfo.dll
Size

4KB
MD5

acbda33dd5700c122e2fe48e3d4351fd
SHA1

2c154baf7c64052ee712b7cdf9c36b7697dd3fc8
SHA256

943b33829f9013e4d361482a5c8981ba20a7155c78691dbe02a8f8cd2a02efa0
SHA512

d090adf65a74ac5b910b18bb67e989714335e7b4778cd771cff154d7186351a1bebbc7103cca849bdfa2709c991947ffff6c1d8fdf16a74f4dfb614bce3ff6fd

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

5000 4164 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4136 wrote to memory of 4164	4136	rundll32.exe	rundll32.exe
PID 4136 wrote to memory of 4164	4136	rundll32.exe	rundll32.exe
PID 4136 wrote to memory of 4164	4136	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4136

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
2⤵
PID:4164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4164 -s 612
3⤵
- Program crash
PID:5000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4164 -ip 4164
1⤵
PID:2888

Network

MITRE ATT&CK Matrix

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