Overview

overview

10

Static

static

3

2024-05-24...ck.exe

windows7-x64

10

2024-05-24...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-05-24_7f25a509694a162034eacf6bf047a077_virlock

  • Size

    293KB

  • Sample

    240524-w4q1saef9s

  • MD5

    7f25a509694a162034eacf6bf047a077

  • SHA1

    9e7072fdad5d2df718a7ecc804aba18fe6cd52c4

  • SHA256

    f33d9b7cfdbc3eb919673583bc75a2073d4870140440b6f985d7c2994aaac238

  • SHA512

    9a2448b92d176d897012189dbb1c603ba8a06e34d8bd13e27b9350caf7f308f1d8140e76d282a86319d6ef985775be0fb2ec9b449a3055b4467b56151f6b7c84

  • SSDEEP

    6144:VvuyQZqOg4e8XFdisCQFb2G57mvaKXfkQ2wH/NvqEi:VvuyQc8e8XisCam3sRG8

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-24_7f25a509694a162034eacf6bf047a077_virlock

    • Size

      293KB

    • MD5

      7f25a509694a162034eacf6bf047a077

    • SHA1

      9e7072fdad5d2df718a7ecc804aba18fe6cd52c4

    • SHA256

      f33d9b7cfdbc3eb919673583bc75a2073d4870140440b6f985d7c2994aaac238

    • SHA512

      9a2448b92d176d897012189dbb1c603ba8a06e34d8bd13e27b9350caf7f308f1d8140e76d282a86319d6ef985775be0fb2ec9b449a3055b4467b56151f6b7c84

    • SSDEEP

      6144:VvuyQZqOg4e8XFdisCQFb2G57mvaKXfkQ2wH/NvqEi:VvuyQc8e8XisCam3sRG8

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (78) 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