e145e51d2851637cdfd9bd4f96fec35a785f91b15a0b42fef07f476205db4530 | Triage

Analysis

max time kernel
143s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 02:09

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General

Target

$PLUGINSDIR/UserInfo.dll
Size

4KB
MD5

035bdb470a6807313bd005bd98341ffc
SHA1

5017d1e5a23f1c64594f737e6fccd519729c3b3e
SHA256

26fa900e3426b4dd272707e1aaf428b5ee06bdc2cc2bbaecdab6b54f11f38f27
SHA512

f888baed5267b05b13722e839634254393aa99b2adf1a2ae6e799d3a901665e7ebda0fa1202db20a6765a8aff58e2ed6f4e822028be426db732eb10ec783aa05

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

444 1300 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4544 wrote to memory of 1300	4544	rundll32.exe	rundll32.exe
PID 4544 wrote to memory of 1300	4544	rundll32.exe	rundll32.exe
PID 4544 wrote to memory of 1300	4544	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:4544

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
2⤵
PID:1300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1300 -s 612
3⤵
- Program crash
PID:444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1300 -ip 1300
1⤵
PID:408

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3756 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
1⤵
PID:2408

Network

MITRE ATT&CK Matrix

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