a9f4281f82b3579581c389e8583dc9f477c7fd0e20c9dfc91a2e611e21e3407e

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
03-05-2024 04:04

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General

Target

gmpopenh264.info
Size

116B
MD5

3d33cdc0b3d281e67dd52e14435dd04f
SHA1

4db88689282fd4f9e9e6ab95fcbb23df6e6485db
SHA256

f526e9f98841d987606efeaff7f3e017ba9fd516c4be83890c7f9a093ea4c47b
SHA512

a4a96743332cc8ef0f86bc2e6122618bfc75ed46781dadbac9e580cd73df89e74738638a2cccb4caa4cbbf393d771d7f2c73f825737cdb247362450a0d4a4bc1

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 2 IoCs

Processes:

cmd.exeOpenWith.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings	OpenWith.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

Processes:

NOTEPAD.EXE

pid	Process
4928	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 17 IoCs

Processes:

OpenWith.exe

pid	Process
4840	OpenWith.exe
4840	OpenWith.exe
4840	OpenWith.exe
4840	OpenWith.exe
4840	OpenWith.exe
4840	OpenWith.exe
4840	OpenWith.exe
4840	OpenWith.exe
4840	OpenWith.exe
4840	OpenWith.exe
4840	OpenWith.exe
4840	OpenWith.exe
4840	OpenWith.exe
4840	OpenWith.exe
4840	OpenWith.exe
4840	OpenWith.exe
4840	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

OpenWith.exe

description	pid	Process	procid_target
PID 4840 wrote to memory of 4928	4840	OpenWith.exe	100
PID 4840 wrote to memory of 4928	4840	OpenWith.exe	100

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\gmpopenh264.info
1⤵
- Modifies registry class
PID:3156

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4840
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\gmpopenh264.info
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:4928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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