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Overview

overview

10

Static

static

3

2024-10-03...ck.exe

windows7-x64

10

2024-10-03...ck.exe

windows10-2004-x64

10

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General

  • Target

    2024-10-03_c1b84a93aafa48490bba908d8679d42a_virlock

  • Size

    117KB

  • Sample

    241003-xrwaea1grm

  • MD5

    c1b84a93aafa48490bba908d8679d42a

  • SHA1

    48efb25187c4d014e1b7c82a7b696fb061bff43f

  • SHA256

    7b93fdfd75c93f73d69137228040429c79b28887f93ea5e2a75e09ba34e58ec9

  • SHA512

    944421df5fde3acc58cfb18e32ffe4bfd55b51602ce7e13a43d950dee74e00f0b908587ad55d3ed9906a8450c866516234e74bab7b485a2c1a5bad93d383a118

  • SSDEEP

    3072:uWbzJSo1dTZtKSgTZGGRanxM5q4YD1MNFm:hnJ7D2SMGsam0W

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-10-03_c1b84a93aafa48490bba908d8679d42a_virlock

    • Size

      117KB

    • MD5

      c1b84a93aafa48490bba908d8679d42a

    • SHA1

      48efb25187c4d014e1b7c82a7b696fb061bff43f

    • SHA256

      7b93fdfd75c93f73d69137228040429c79b28887f93ea5e2a75e09ba34e58ec9

    • SHA512

      944421df5fde3acc58cfb18e32ffe4bfd55b51602ce7e13a43d950dee74e00f0b908587ad55d3ed9906a8450c866516234e74bab7b485a2c1a5bad93d383a118

    • SSDEEP

      3072:uWbzJSo1dTZtKSgTZGGRanxM5q4YD1MNFm:hnJ7D2SMGsam0W

    Score
    10/10
    discoveryevasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (86) files with added filename extension

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

      ransomware

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

4
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks