Overview

overview

10

Static

static

3

2024-05-25...ck.exe

windows7-x64

10

2024-05-25...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-05-25_fca75d1a2969e7b0201dd2887194d757_virlock

  • Size

    312KB

  • Sample

    240525-pfc1paab5s

  • MD5

    fca75d1a2969e7b0201dd2887194d757

  • SHA1

    8fa774164cd46ca0cbec5ff99f1bb773130fb8b4

  • SHA256

    73e901f209d3741e6cb6faa5f4265e68b2ffc7785809457067b37c2fc9aed545

  • SHA512

    e01812543839cf80ab1726f748714d66b4e0e3b8ebd0f6c4d0c95795ad0698cb937e5173157765e4f775fe26946fefdc3140aa732d439007cc81eb97aa77c9ae

  • SSDEEP

    6144:B7fpcfdwDsDj6tkWTbcwGttY2/HujwzXSHUshWBK+hu:gfdwDZWsetR/OjKX4nwBK7

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-25_fca75d1a2969e7b0201dd2887194d757_virlock

    • Size

      312KB

    • MD5

      fca75d1a2969e7b0201dd2887194d757

    • SHA1

      8fa774164cd46ca0cbec5ff99f1bb773130fb8b4

    • SHA256

      73e901f209d3741e6cb6faa5f4265e68b2ffc7785809457067b37c2fc9aed545

    • SHA512

      e01812543839cf80ab1726f748714d66b4e0e3b8ebd0f6c4d0c95795ad0698cb937e5173157765e4f775fe26946fefdc3140aa732d439007cc81eb97aa77c9ae

    • SSDEEP

      6144:B7fpcfdwDsDj6tkWTbcwGttY2/HujwzXSHUshWBK+hu:gfdwDZWsetR/OjKX4nwBK7

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (89) 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 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