Overview

overview

10

Static

static

3

2024-04-25...ck.exe

windows7-x64

10

2024-04-25...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-04-25_d1f0bfff2de536c8a3db44972cd84045_virlock

  • Size

    140KB

  • Sample

    240425-jqttasgh89

  • MD5

    d1f0bfff2de536c8a3db44972cd84045

  • SHA1

    02baf6ca6f9a24165d10fc7353926578f682713a

  • SHA256

    73f4d038bc75bbcbdda5beeecdf83f0e2bd2e565b4287569bfb61b1a1cfab081

  • SHA512

    d1262af0c7f3bd4f8a0c6d02b2717d04c68e43c017314ea822dbcd7b43421330a1f9091640bd9f5c531273fe59e358c98f7e05127c085660a35ae906d3e22eed

  • SSDEEP

    3072:Dsz0CiyUwydsRj3jUD55gm9fMNoBjEI7gGcsjlxrm9iryirrrkTwA3X:Dsz0CijJ5VtMNr8gGLmyAH

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-04-25_d1f0bfff2de536c8a3db44972cd84045_virlock

    • Size

      140KB

    • MD5

      d1f0bfff2de536c8a3db44972cd84045

    • SHA1

      02baf6ca6f9a24165d10fc7353926578f682713a

    • SHA256

      73f4d038bc75bbcbdda5beeecdf83f0e2bd2e565b4287569bfb61b1a1cfab081

    • SHA512

      d1262af0c7f3bd4f8a0c6d02b2717d04c68e43c017314ea822dbcd7b43421330a1f9091640bd9f5c531273fe59e358c98f7e05127c085660a35ae906d3e22eed

    • SSDEEP

      3072:Dsz0CiyUwydsRj3jUD55gm9fMNoBjEI7gGcsjlxrm9iryirrrkTwA3X:Dsz0CijJ5VtMNr8gGLmyAH

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (78) 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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

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

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

4
T1112

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks