Overview

overview

10

Static

static

3

2024-03-27...ck.exe

windows7-x64

10

2024-03-27...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-03-27_112e7518fc2f62c3ab27ec3bbc207a11_virlock

  • Size

    223KB

  • Sample

    240327-mf9njsdb6y

  • MD5

    112e7518fc2f62c3ab27ec3bbc207a11

  • SHA1

    8453aa5e027dae43943dade1285840761bfc6ff7

  • SHA256

    caa2385b46f32bbac6bd2724a04a68e5e917ca6ace30a537da31168b6caa4dc5

  • SHA512

    12459d548d33ec37029f834196a48f7d4e44928083ef369572e8ad3abe720ce38b2d3726034bf458c5d924a006e3adbfe2e3e3b11af094f23a7476b63c197b15

  • SSDEEP

    3072:OwOcx6gubGZ4I0IKAjAivCqgwGcl/DJFdP+biz7LrEss461SMn+wXT:9O06gxUFi6qgwGhbawsaSk+wX

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-03-27_112e7518fc2f62c3ab27ec3bbc207a11_virlock

    • Size

      223KB

    • MD5

      112e7518fc2f62c3ab27ec3bbc207a11

    • SHA1

      8453aa5e027dae43943dade1285840761bfc6ff7

    • SHA256

      caa2385b46f32bbac6bd2724a04a68e5e917ca6ace30a537da31168b6caa4dc5

    • SHA512

      12459d548d33ec37029f834196a48f7d4e44928083ef369572e8ad3abe720ce38b2d3726034bf458c5d924a006e3adbfe2e3e3b11af094f23a7476b63c197b15

    • SSDEEP

      3072:OwOcx6gubGZ4I0IKAjAivCqgwGcl/DJFdP+biz7LrEss461SMn+wXT:9O06gxUFi6qgwGhbawsaSk+wX

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (77) 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
    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