a9f4281f82b3579581c389e8583dc9f477c7fd0e20c9dfc91a2e611e21e3407e | Triage

Analysis

max time kernel
126s
max time network
165s
platform
windows10_x64
resource
win10-en-20211208
submitted
30-01-2022 22:33

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General

Target

gmpopenh264.dll
Size

997KB
MD5

fe3355639648c417e8307c6d051e3e37
SHA1

f54602d4b4778da21bc97c7238fc66aa68c8ee34
SHA256

1ed7877024be63a049da98733fd282c16bd620530a4fb580dacec3a78ace914e
SHA512

8f4030bb2464b98eccbea6f06eb186d7216932702d94f6b84c56419e9cf65a18309711ab342d1513bf85aed402bc3535a70db4395874828f0d35c278dd2eac9c

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4312 3724 WerFault.exe rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

WerFault.exe

pid	process
4312	WerFault.exe
4312	WerFault.exe
4312	WerFault.exe
4312	WerFault.exe
4312	WerFault.exe
4312	WerFault.exe
4312	WerFault.exe
4312	WerFault.exe
4312	WerFault.exe
4312	WerFault.exe
4312	WerFault.exe
4312	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 4312 WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\gmpopenh264.dll,#1
1⤵
PID:3724
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 3724 -s 280
  2⤵
  - Program crash
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4312

Network

MITRE ATT&CK Matrix

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