764d1d0a2611acaec7add8d634bd038cbafbbba2f584cef5442ff182f6323094 | Triage

Analysis

max time kernel
67s
max time network
52s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
01/05/2024, 11:50

Sharing

Report Analysis Logs

General

Target

$PLUGINSDIR/IS.dll
Size

94KB
MD5

194dcc4b0a5ad6b6f7c1f166d96c4476
SHA1

fb0390ac1e04a66f284adbd0af6e809bf5b0792e
SHA256

643e7fd4591d117c43515efc93d4ddbaf0879b14403531147f4c34a49275ffd6
SHA512

4161da2fddcd0561237082c639716aca566a7755dd0589c5b5d63d436dbb7df5838d2a7c8c11cbd74346d678cdb4c5b8022f78855f6a9613b17be9a47487af51
SSDEEP

1536:U1UtwmoXj9RStiVKF495Vme4s+TxcvAsWjcdUZmyFrNt:1y15zKF49LmeZ+TsUZmyFrNt

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2824	5028	WerFault.exe	84

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4748 wrote to memory of 5028	4748	rundll32.exe	84
PID 4748 wrote to memory of 5028	4748	rundll32.exe	84
PID 4748 wrote to memory of 5028	4748	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\IS.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4748
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\IS.dll,#1
  2⤵
  PID:5028
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5028 -s 612
    3⤵
    - Program crash
    PID:2824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 5028 -ip 5028
1⤵
PID:1980

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads