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Overview

overview

10

Static

static

3

2024-06-11...ck.exe

windows7-x64

10

2024-06-11...ck.exe

windows10-2004-x64

10

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General

  • Target

    2024-06-11_139918518fe0162c1ee92388bb5a7ce0_virlock

  • Size

    123KB

  • Sample

    240611-pmmhpswgqf

  • MD5

    139918518fe0162c1ee92388bb5a7ce0

  • SHA1

    3aa3e8f262ba0b1f77463bb828110909b705f5be

  • SHA256

    63b309b5e85517ea2db32813bc5d5e504a9548f3d29b5dd88aaa4c5e97e766d6

  • SHA512

    20e506cd05a7339e73ef2f6233943143a00294e5079983ba07d00ad6608b73fa2e0d1b611e511b92921792e85732934f654bd3515707d76c28185fd191398cf3

  • SSDEEP

    3072:KprT5ike9IExce31FR6dy6wDY27MwlWqlWqlWqlWqlWqlWqlWqlWqlWqlW9:KpQ9Ile31Fwjw02YwPPPPPPPPPS

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-06-11_139918518fe0162c1ee92388bb5a7ce0_virlock

    • Size

      123KB

    • MD5

      139918518fe0162c1ee92388bb5a7ce0

    • SHA1

      3aa3e8f262ba0b1f77463bb828110909b705f5be

    • SHA256

      63b309b5e85517ea2db32813bc5d5e504a9548f3d29b5dd88aaa4c5e97e766d6

    • SHA512

      20e506cd05a7339e73ef2f6233943143a00294e5079983ba07d00ad6608b73fa2e0d1b611e511b92921792e85732934f654bd3515707d76c28185fd191398cf3

    • SSDEEP

      3072:KprT5ike9IExce31FR6dy6wDY27MwlWqlWqlWqlWqlWqlWqlWqlWqlWqlW9:KpQ9Ile31Fwjw02YwPPPPPPPPPS

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (84) 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 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

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks