Overview

overview

10

Static

static

3

2024-05-26...ck.exe

windows7-x64

10

2024-05-26...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-05-26_213e54e8e0cfc370f9c7839facb48323_virlock

  • Size

    190KB

  • Sample

    240526-d1pz7sea25

  • MD5

    213e54e8e0cfc370f9c7839facb48323

  • SHA1

    a4eb90787752567f1f9b63e8df6ffecc758a59f9

  • SHA256

    69aeaec4d5c9e024ff15234ae8bc5aaf97b98f410e364fc5109a7c1c36f0a168

  • SHA512

    85795f86660741063465ba2b94f212dae3a97962df07ef995e9f62ce555cd32a7bef8d5c4702db12f608cf0b8c70608b6db582fc8826dfd5f071dcb7419a0fc8

  • SSDEEP

    3072:eozsn4c3TJZKPMmymb6fZKnzH5zhRstsx8PhAJbPBgyjgpKa+P5cIBrVZazvn6R:nY4c3TmPM5mtvRosePgbPBTuJ+P5JJ/n

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-26_213e54e8e0cfc370f9c7839facb48323_virlock

    • Size

      190KB

    • MD5

      213e54e8e0cfc370f9c7839facb48323

    • SHA1

      a4eb90787752567f1f9b63e8df6ffecc758a59f9

    • SHA256

      69aeaec4d5c9e024ff15234ae8bc5aaf97b98f410e364fc5109a7c1c36f0a168

    • SHA512

      85795f86660741063465ba2b94f212dae3a97962df07ef995e9f62ce555cd32a7bef8d5c4702db12f608cf0b8c70608b6db582fc8826dfd5f071dcb7419a0fc8

    • SSDEEP

      3072:eozsn4c3TJZKPMmymb6fZKnzH5zhRstsx8PhAJbPBgyjgpKa+P5cIBrVZazvn6R:nY4c3TmPM5mtvRosePgbPBTuJ+P5JJ/n

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (58) 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