Overview

overview

10

Static

static

3

2024-01-25...ck.exe

windows7-x64

10

2024-01-25...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-01-25_e31cbb00f848f1060cff7a7c2415b529_virlock

  • Size

    112KB

  • Sample

    240125-b1kpdadggn

  • MD5

    e31cbb00f848f1060cff7a7c2415b529

  • SHA1

    ee37ae54c204690274e875c18c897275cba29262

  • SHA256

    0023872c146551eab47cf0f35af46fb3d1f4f6459aad112e4becb3e03cadc752

  • SHA512

    9da71d61e852750e172d0380478629547732fcc0f02048956defd2f6132a109e933ac26708deb4048145b313ac1bbb801843bbef189132345a122f45c8ee87ba

  • SSDEEP

    3072:V3wm/mhk96gUAkxSmrp6/jAxLqIcRSrepDS8ERIJjwAshFi16:ZwHhk961Ar7vJjdF

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-01-25_e31cbb00f848f1060cff7a7c2415b529_virlock

    • Size

      112KB

    • MD5

      e31cbb00f848f1060cff7a7c2415b529

    • SHA1

      ee37ae54c204690274e875c18c897275cba29262

    • SHA256

      0023872c146551eab47cf0f35af46fb3d1f4f6459aad112e4becb3e03cadc752

    • SHA512

      9da71d61e852750e172d0380478629547732fcc0f02048956defd2f6132a109e933ac26708deb4048145b313ac1bbb801843bbef189132345a122f45c8ee87ba

    • SSDEEP

      3072:V3wm/mhk96gUAkxSmrp6/jAxLqIcRSrepDS8ERIJjwAshFi16:ZwHhk961Ar7vJjdF

    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

    • Checks whether UAC is enabled

      evasiontrojan

    • 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

5
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks