Overview

overview

9

Static

static

3

ransom_fast.exe

windows10-2004-x64

ransom_fast.exe

windows11-ltsc_2024-x64

9

Sharing

Copy URL Twitter E-mail

General

  • Target
    ransom_fast.exe
  • Size 14.5MB
  • Sample261006-vg29vsstbx
  • SHA256 7b14c3fba1f49b232b1377001fc75165efaca40c48353ba307dc5a11577c9aaf
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
credential_accessdefense_evasiondiscoveryexecutionimpactpyinstallerransomwarespywarestealer

Malware Config

Targets

    • Target
      ransom_fast.exe
    • Size 14.5MB
    • SHA256 7b14c3fba1f49b232b1377001fc75165efaca40c48353ba307dc5a11577c9aaf
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    credential_accessdefense_evasiondiscoveryexecutionimpactransomwarespywarestealer

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (3293) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

      credential_accessstealer

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Windows Management Instrumentation

1
T1047

Persistence

Privilege Escalation

Defense Evasion

Direct Volume Access

1
T1006

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Credential Access

Credentials from Password Stores

2
T1555

Credentials from Web Browsers

1
T1555.003

Windows Credential Manager

1
T1555.004

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

1
T1082

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2
T1490

Tasks