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Overview

overview

10

Static

static

3

2024-06-07...ck.exe

windows7-x64

10

2024-06-07...ck.exe

windows10-2004-x64

10

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General

  • Target

    2024-06-07_dd098dc2c3a37fa89e0cd3eddce6c1f4_virlock

  • Size

    831KB

  • Sample

    240607-p6mb2shd86

  • MD5

    dd098dc2c3a37fa89e0cd3eddce6c1f4

  • SHA1

    d39b31f870c8bda39a10b40a645f275bc87c33ae

  • SHA256

    504418eb2a4969311d7cd9bcc835543dc004e29f2ad5d60fbbec3c679260cd45

  • SHA512

    a20d4ead5fa2f2361c37b8abb512e366f4ce763f0f9ed33fb04634945a3962e2a729f34ba5ed847d2ee33d3bfad332cb93754861fdefe93e6af9fa9f652972cd

  • SSDEEP

    12288:sG0JUO8gFzRUQDZfqqo/xZ0kIhRU/yND76kbTosloyWbItwcbZ1guX7r46F:0JUO8glhsDfmGUobItw4ZXpF

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-06-07_dd098dc2c3a37fa89e0cd3eddce6c1f4_virlock

    • Size

      831KB

    • MD5

      dd098dc2c3a37fa89e0cd3eddce6c1f4

    • SHA1

      d39b31f870c8bda39a10b40a645f275bc87c33ae

    • SHA256

      504418eb2a4969311d7cd9bcc835543dc004e29f2ad5d60fbbec3c679260cd45

    • SHA512

      a20d4ead5fa2f2361c37b8abb512e366f4ce763f0f9ed33fb04634945a3962e2a729f34ba5ed847d2ee33d3bfad332cb93754861fdefe93e6af9fa9f652972cd

    • SSDEEP

      12288:sG0JUO8gFzRUQDZfqqo/xZ0kIhRU/yND76kbTosloyWbItwcbZ1guX7r46F:0JUO8glhsDfmGUobItw4ZXpF

    Score
    10/10
    discoveryevasionpersistencetrojanransomwarespywarestealer

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (76) 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Drops file in System32 directory

    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

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks