Overview

overview

10

Static

static

3

2024-03-14...ck.exe

windows7-x64

10

2024-03-14...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-03-14_5bb7e1be43c59eb9de91f77b11322921_virlock

  • Size

    253KB

  • Sample

    240314-ntnhxadc66

  • MD5

    5bb7e1be43c59eb9de91f77b11322921

  • SHA1

    8c63c0f42ae69211e0d91b36c58bb25e85c78487

  • SHA256

    e3ce52d53887b715e9c9ee3ee5f2870c36bde69714c7e869055f6d951b3a5bef

  • SHA512

    5f785111e3e1dcddb6febe3e78040d8276af85a4c2370930b740e0b76c817e2006f3b1f7b0b8f6949ae89432be324d01bd6de3aa161e2c6debcd6af425c0021b

  • SSDEEP

    3072:bAysCSNoDF7BRDmS5Mg3FsMIn2GpTGFyGGCM/tU7BT7t3Vv:lsClHDm/g1RKJT7GEad7tR

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-03-14_5bb7e1be43c59eb9de91f77b11322921_virlock

    • Size

      253KB

    • MD5

      5bb7e1be43c59eb9de91f77b11322921

    • SHA1

      8c63c0f42ae69211e0d91b36c58bb25e85c78487

    • SHA256

      e3ce52d53887b715e9c9ee3ee5f2870c36bde69714c7e869055f6d951b3a5bef

    • SHA512

      5f785111e3e1dcddb6febe3e78040d8276af85a4c2370930b740e0b76c817e2006f3b1f7b0b8f6949ae89432be324d01bd6de3aa161e2c6debcd6af425c0021b

    • SSDEEP

      3072:bAysCSNoDF7BRDmS5Mg3FsMIn2GpTGFyGGCM/tU7BT7t3Vv:lsClHDm/g1RKJT7GEad7tR

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (81) 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