a794ac78882a744b97acebed7a6a76ac8b3cfdef9d38bd891aa262081e303d52 | Triage

Analysis

max time kernel
86s
max time network
98s
platform
windows11-21h2_x64
resource
win11-20231215-en
resource tags

arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system
submitted
01/02/2024, 15:22

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General

Target

$PLUGINSDIR/EnVar.dll
Size

10KB
MD5

4ee6c0578960bcb5dad78947e0cbffe9
SHA1

dd90488ffde0b0df76e0a5e8dca8192c77619d8b
SHA256

eb182d049ba19f697628e20228af329780aaf62c3585a1e36b9fb988911fe697
SHA512

0592166761c32aa804a26fb90191f636173b6e5144e4c10b100841fcb4d05cc30d8ffc3716e823d02dd3bcc73cfb9106639cf8ae2aeeba409213f2f40df5932c
SSDEEP

192:hjD5Bzu8mRd7ylc01dOF6Nr4mNiFHFEH3HGH8t+zaY6GVIb6:V9BXI4cqxCa+WFAzUeC6

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1900	3040	WerFault.exe	76

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1428 wrote to memory of 3040	1428	rundll32.exe	76
PID 1428 wrote to memory of 3040	1428	rundll32.exe	76
PID 1428 wrote to memory of 3040	1428	rundll32.exe	76

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\EnVar.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1428
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\EnVar.dll,#1
  2⤵
  PID:3040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 468
    3⤵
    - Program crash
    PID:1900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3040 -ip 3040
1⤵
PID:5080

Network

MITRE ATT&CK Matrix

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