Overview

overview

10

Static

static

3

2024-05-01...ck.exe

windows7-x64

10

2024-05-01...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-05-01_0aa932a93971e3157ec411e552f27619_virlock

  • Size

    565KB

  • Sample

    240501-ebh12afa9y

  • MD5

    0aa932a93971e3157ec411e552f27619

  • SHA1

    f49d3eb5e46dc8bdb445009bc7f0e209def98391

  • SHA256

    d709127c56bdfb000159f51aa8f5e5081426ffe80ec12204fbd1f9abef7c9066

  • SHA512

    83332bde2d1cddabb7e13a20d8a71c681aca99b7604c5d539c3fcb3875d3c4a372f4edd4710e758fa85e332c6c92a5e18abc59e44b30d9254347713254ef7b26

  • SSDEEP

    12288:iN1M07RWye+WOzgjU/ZMb0q5eihRRWx62KOi/E8t3G:iN64kye+3cU/ZMQq5eERW6sgE80

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-01_0aa932a93971e3157ec411e552f27619_virlock

    • Size

      565KB

    • MD5

      0aa932a93971e3157ec411e552f27619

    • SHA1

      f49d3eb5e46dc8bdb445009bc7f0e209def98391

    • SHA256

      d709127c56bdfb000159f51aa8f5e5081426ffe80ec12204fbd1f9abef7c9066

    • SHA512

      83332bde2d1cddabb7e13a20d8a71c681aca99b7604c5d539c3fcb3875d3c4a372f4edd4710e758fa85e332c6c92a5e18abc59e44b30d9254347713254ef7b26

    • SSDEEP

      12288:iN1M07RWye+WOzgjU/ZMb0q5eihRRWx62KOi/E8t3G:iN64kye+3cU/ZMQq5eERW6sgE80

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (80) 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