Overview

overview

10

Static

static

3

2024-04-25...ck.exe

windows7-x64

10

2024-04-25...ck.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    2024-04-25_64dc26fd85c835dea0fb393da9f97e8f_virlock

  • Size

    563KB

  • Sample

    240425-eqs5jsfb7v

  • MD5

    64dc26fd85c835dea0fb393da9f97e8f

  • SHA1

    27d385012eb93767087cb2b27c456ceeb797261a

  • SHA256

    7c83aaa640c7b3699a57b00a974922a6cac560e1b48c035d5f050fb25df307bb

  • SHA512

    28e9ae2bb55046bfad4daccfeb6f0dfa7e24e31fd432f0761df235b4f3bb2f2adc6ab5ae24109c54c731bc934d96b0864ebaeb8091a80690cf4284478c78eb45

  • SSDEEP

    12288:Ov/iHF04iVYQex5mSqJy4PkryIFukLdmyAOUfSdg78/:q/x48YQs5mSqJy4PkryGdmyXUfJ78/

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-04-25_64dc26fd85c835dea0fb393da9f97e8f_virlock

    • Size

      563KB

    • MD5

      64dc26fd85c835dea0fb393da9f97e8f

    • SHA1

      27d385012eb93767087cb2b27c456ceeb797261a

    • SHA256

      7c83aaa640c7b3699a57b00a974922a6cac560e1b48c035d5f050fb25df307bb

    • SHA512

      28e9ae2bb55046bfad4daccfeb6f0dfa7e24e31fd432f0761df235b4f3bb2f2adc6ab5ae24109c54c731bc934d96b0864ebaeb8091a80690cf4284478c78eb45

    • SSDEEP

      12288:Ov/iHF04iVYQex5mSqJy4PkryIFukLdmyAOUfSdg78/:q/x48YQs5mSqJy4PkryGdmyXUfJ78/

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (82) 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 Matrix ATT&CK v13

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

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

4
T1112

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks