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
MD5

c9f63ad875434c645b6854951136cd10
SHA1

75108bc7e836d34c1ce06b3be9cdb17499e4a7e0
SHA256

779b156d4a1eef8f61851fb69b445c96ca80b9cf33295768f305a0e1295913d4
SHA512

a76cd0afc6d29646cac8f2717a8828c2c756761be47972e2fac8463f13dd7cad35ecf609942d97a6fea633deb1ff260cb38ee76d393d9cbc9d0f3ac9161043e5

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

Windows 7 deprecation

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