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Overview

overview

10

Static

static

3

2024-08-09...ck.exe

windows7-x64

10

2024-08-09...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-08-09_05d20461f13f59e0d898e1d34e023f5c_virlock

  • Size

    206KB

  • Sample

    240809-ld6nfaygjp

  • MD5

    05d20461f13f59e0d898e1d34e023f5c

  • SHA1

    6ebb248de86aca8ede20ff0e7811ca0e4d50a2fb

  • SHA256

    974c10091ad320289f4bed8895fa0d2646e5fd0f2dbce3c1adc4f1f14f1b0102

  • SHA512

    d82627e6092d949737adddf1538c1608cde6e80f97ae09797490124676555edc81db50eb23126573cef2620783a2c0cd6418834520adc53ead871bc27759cc8f

  • SSDEEP

    3072:lSLjO5gXGxvV8znamLjtBfrDMtCpwDpiB3gNiQIhk/IuPoOa/MXYrUGOs5K617:lSLS2G+tTfr4U3gRIGgn/MXdNs7

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-08-09_05d20461f13f59e0d898e1d34e023f5c_virlock

    • Size

      206KB

    • MD5

      05d20461f13f59e0d898e1d34e023f5c

    • SHA1

      6ebb248de86aca8ede20ff0e7811ca0e4d50a2fb

    • SHA256

      974c10091ad320289f4bed8895fa0d2646e5fd0f2dbce3c1adc4f1f14f1b0102

    • SHA512

      d82627e6092d949737adddf1538c1608cde6e80f97ae09797490124676555edc81db50eb23126573cef2620783a2c0cd6418834520adc53ead871bc27759cc8f

    • SSDEEP

      3072:lSLjO5gXGxvV8znamLjtBfrDMtCpwDpiB3gNiQIhk/IuPoOa/MXYrUGOs5K617:lSLS2G+tTfr4U3gRIGgn/MXdNs7

    Score
    10/10
    discoveryevasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (83) 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.

    • Deletes itself

    • 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

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks