Overview

overview

10

Static

static

3

2024-01-01...ck.exe

windows7-x64

10

2024-01-01...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-01-01_d53cd638cac8a8348bf66057eb13a709_virlock

  • Size

    253KB

  • Sample

    240105-gj8b1adfhr

  • MD5

    d53cd638cac8a8348bf66057eb13a709

  • SHA1

    60c244d9b2532535b8df756efff4402dee43ea11

  • SHA256

    517b8347f456a08cc3316bb8be61c9d2f90952ec680a0f0dddc649d15208a73f

  • SHA512

    1fcb4a9022a045ed44880502cac382ce5da927afebbde36bf6bdeb4a9ed748ac8897fc14e784ccd22613075ed0faf406ae6e84c628b4450d8efe74f0f53af377

  • SSDEEP

    3072:XOs3R5vXEiLONCvAwdqKqYRfSqsBk/tvnDCpGdcFYR+WHQuX:XOsBxEiLONCvAwdqKqYR/vWGdc+KuX

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-01-01_d53cd638cac8a8348bf66057eb13a709_virlock

    • Size

      253KB

    • MD5

      d53cd638cac8a8348bf66057eb13a709

    • SHA1

      60c244d9b2532535b8df756efff4402dee43ea11

    • SHA256

      517b8347f456a08cc3316bb8be61c9d2f90952ec680a0f0dddc649d15208a73f

    • SHA512

      1fcb4a9022a045ed44880502cac382ce5da927afebbde36bf6bdeb4a9ed748ac8897fc14e784ccd22613075ed0faf406ae6e84c628b4450d8efe74f0f53af377

    • SSDEEP

      3072:XOs3R5vXEiLONCvAwdqKqYRfSqsBk/tvnDCpGdcFYR+WHQuX:XOsBxEiLONCvAwdqKqYR/vWGdc+KuX

    Score
    10/10
    evasionpersistencetrojanransomwarespywarestealer

    • 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