f851b4bd9af4ca83f9374a9cec31079327628876d854606e9ef9cfe78cfdbb7b

Analysis

max time kernel
898s
max time network
416s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
08/03/2026, 17:24

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General

Target
coldclient/steam_settings/steam_interfaces.txt
Size 629B
Sample260308-vysfzset3p
SHA256 f851b4bd9af4ca83f9374a9cec31079327628876d854606e9ef9cfe78cfdbb7b
MD5 b160e3f00eefc9ab4ddeedaed51266e0
SHA1 f3733fbdfaeb37b877cc1540ebb24df49415f25f
SHA512 005ffd586975b903032cee5b16ff9402c59c6d378ff66d913cbd54b5c5d5d706c6afa803947c4850c6f5244398eb5b08b83eb844c2a3bda6c30f73c72861c6c3
TLSH
T100F0491B75213D794F28B4EA01F2B923E198366796C0D8FDDEC7B7C10364A1413AEA01
MD5 SHA1 SHA512 TLSH

Score

3^/10

ransomware

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-1-5-21-3119821332-640943685-2562343641-1000_Classes\Local Settings	cmd.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
1192	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 1192	2400	cmd.exe	80

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\coldclient\steam_settings\steam_interfaces.txt
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\coldclient\steam_settings\steam_interfaces.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:1192

Network

MITRE ATT&CK Enterprise v16

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 v16

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