Overview

overview

10

Static

static

3

2024-04-26...ck.exe

windows7-x64

10

2024-04-26...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-04-26_20e8c7a8efcf680ca10b23ca9f4670b8_virlock

  • Size

    465KB

  • Sample

    240426-mwn2saeg66

  • MD5

    20e8c7a8efcf680ca10b23ca9f4670b8

  • SHA1

    0b4c11c76e7d3dee160009906572a5d153c827a9

  • SHA256

    b1ce21834d62cd9c60546e2aaeab83c57ced9c34a17e67ff21725dc6bdd31008

  • SHA512

    88d18305ee3773a87d42ca3033dee6731fcb6214ffec9e383e1d1a1722d37460ced3b0b1d431cb745184b09d094029fb8b68d877f5e6b5fdbf124fb88edb1277

  • SSDEEP

    12288:c+Pp8sfJYqcZVQKq5YiOMd5z3mDo2K5IPU:lxK4YTQxS

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-04-26_20e8c7a8efcf680ca10b23ca9f4670b8_virlock

    • Size

      465KB

    • MD5

      20e8c7a8efcf680ca10b23ca9f4670b8

    • SHA1

      0b4c11c76e7d3dee160009906572a5d153c827a9

    • SHA256

      b1ce21834d62cd9c60546e2aaeab83c57ced9c34a17e67ff21725dc6bdd31008

    • SHA512

      88d18305ee3773a87d42ca3033dee6731fcb6214ffec9e383e1d1a1722d37460ced3b0b1d431cb745184b09d094029fb8b68d877f5e6b5fdbf124fb88edb1277

    • SSDEEP

      12288:c+Pp8sfJYqcZVQKq5YiOMd5z3mDo2K5IPU:lxK4YTQxS

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (61) 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