Overview

overview

10

Static

static

3

2024-08-10...ck.exe

windows7-x64

10

2024-08-10...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-08-10_07830947775ffe180dd53ebfdcfe237c_virlock

  • Size

    599KB

  • Sample

    240810-brk9jsyhkn

  • MD5

    07830947775ffe180dd53ebfdcfe237c

  • SHA1

    ded5f62af4d3c831c6d062ee34d52109a8a7c2bc

  • SHA256

    79c6215f9e4aa986d244259ffc28355049575d6ae8ec90b69475f085fa33e990

  • SHA512

    cc05e3d886dd8c7f5e42d8881b4ae5b732ed446723cb12cd0228707aaf6eb28105180431581c8b6cda63dcaa5d73e8ecf956e179bba7d5151e22ecf7b628132e

  • SSDEEP

    12288:/IX3BmHJwOR0euRI5g23Ser9LGWge5XdKf8OkPuXuLPL3hm1Tp5y4NTCDesPVoJd:/SmiX23SeJype5XdKf8OkPuXuLPL3hmZ

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-08-10_07830947775ffe180dd53ebfdcfe237c_virlock

    • Size

      599KB

    • MD5

      07830947775ffe180dd53ebfdcfe237c

    • SHA1

      ded5f62af4d3c831c6d062ee34d52109a8a7c2bc

    • SHA256

      79c6215f9e4aa986d244259ffc28355049575d6ae8ec90b69475f085fa33e990

    • SHA512

      cc05e3d886dd8c7f5e42d8881b4ae5b732ed446723cb12cd0228707aaf6eb28105180431581c8b6cda63dcaa5d73e8ecf956e179bba7d5151e22ecf7b628132e

    • SSDEEP

      12288:/IX3BmHJwOR0euRI5g23Ser9LGWge5XdKf8OkPuXuLPL3hm1Tp5y4NTCDesPVoJd:/SmiX23SeJype5XdKf8OkPuXuLPL3hmZ

    Score
    10/10
    discoveryevasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (84) 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

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