Overview

overview

10

Static

static

3

2024-03-07...ck.exe

windows7-x64

10

2024-03-07...ck.exe

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target

    2024-03-07_f0eaa77f880bf9735ebfb08ac74fd354_virlock

  • Size

    569KB

  • Sample

    240307-kc4l1sge4x

  • MD5

    f0eaa77f880bf9735ebfb08ac74fd354

  • SHA1

    a6a647c0af1c1630ff27dc0dfe8722db2da84526

  • SHA256

    2bf2ae91a0eb69f83bb93ae64893d7f824902cf9d16a3928aa8bd973927f328e

  • SHA512

    8db57e287209cf9d67a20638c28e2dd53633f19c6c1391af9de5caffdd594721579a1cb31771595899832e2f278a1bbd125a384a83cfe4257413a483c4117a42

  • SSDEEP

    12288:xkxX/591Oaw3szC+twVSob/g3QgciZnXzjUT169R02cgwg6e:xkxXPfwKBSMorgrcyWC2e

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-03-07_f0eaa77f880bf9735ebfb08ac74fd354_virlock

    • Size

      569KB

    • MD5

      f0eaa77f880bf9735ebfb08ac74fd354

    • SHA1

      a6a647c0af1c1630ff27dc0dfe8722db2da84526

    • SHA256

      2bf2ae91a0eb69f83bb93ae64893d7f824902cf9d16a3928aa8bd973927f328e

    • SHA512

      8db57e287209cf9d67a20638c28e2dd53633f19c6c1391af9de5caffdd594721579a1cb31771595899832e2f278a1bbd125a384a83cfe4257413a483c4117a42

    • SSDEEP

      12288:xkxX/591Oaw3szC+twVSob/g3QgciZnXzjUT169R02cgwg6e:xkxXPfwKBSMorgrcyWC2e

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • 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.

    • 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