fd9559db98211fc18f2e26ccf53ccc8c89086c61a1522d3c5bb8a3aa8f3d080f

Analysis

max time kernel
1489s
max time network
1499s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
06/05/2024, 12:34

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General

Target
Startup.txt
Size 3KB
Sample240506-pr6gdaeh97
SHA256 779b156d4a1eef8f61851fb69b445c96ca80b9cf33295768f305a0e1295913d4
MD5 c9f63ad875434c645b6854951136cd10
SHA1 75108bc7e836d34c1ce06b3be9cdb17499e4a7e0
SHA512 a76cd0afc6d29646cac8f2717a8828c2c756761be47972e2fac8463f13dd7cad35ecf609942d97a6fea633deb1ff260cb38ee76d393d9cbc9d0f3ac9161043e5
MD5 SHA1 SHA512

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000_Classes\Local Settings	cmd.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
1504	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 1504	3576	cmd.exe	80
PID 3576 wrote to memory of 1504	3576	cmd.exe	80

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Startup.txt
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3576
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Startup.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:1504

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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