fd9559db98211fc18f2e26ccf53ccc8c89086c61a1522d3c5bb8a3aa8f3d080f

Analysis

max time kernel
1487s
max time network
1500s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
06/05/2024, 12:34

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General

Target

InstallDirListing.txt
Size

9KB
MD5

1bf336c48acd4d46b33efd8bc0f55975
SHA1

4d4427957de76bded94b1831eed31a6df9cd844a
SHA256

bd3a89cc88b7bdf57356c75f87b92d85a36547200289611b4cebcae23f985f3f
SHA512

529d7cd1943821e681398c05a1432dc988922f2b498a086c702b3bdc3676a5254191fef6d772ac2a410227518f59311c30e7765b7837e3c6362715c659d828ac
SSDEEP

96:UuT+iu9yx2bVAkVKlx8YrkAe5sbBLoH8i+S3Aoqj3opG1mSnLh6Q1US57aiMcHH:Wiu942bVw4nnGJLU+7aiM2H

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-1-5-21-2878097196-921257239-309638238-1000_Classes\Local Settings	cmd.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
3776	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1216 wrote to memory of 3776	1216	cmd.exe	80
PID 1216 wrote to memory of 3776	1216	cmd.exe	80

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\InstallDirListing.txt
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\InstallDirListing.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:3776

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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