Overview

overview

10

Static

static

3

2024-05-27...ck.exe

windows7-x64

10

2024-05-27...ck.exe

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target

    2024-05-27_050e3910fcad0c9f286e2132b813472e_virlock

  • Size

    297KB

  • Sample

    240527-dxfx5afd93

  • MD5

    050e3910fcad0c9f286e2132b813472e

  • SHA1

    297be307ff856130207b9717f472710a89dc8ade

  • SHA256

    d088d8a382c73a598b6ab0527ca8a5fde9434c4c1a66090195a4535d1aef2261

  • SHA512

    7b38ea887ce9394652de8bf379944edc8695625b10ed2e064f5654b5483110051a1b3afefb468854875c0e64900d2a71f9712610225b4d248aea47fec4f3ea27

  • SSDEEP

    6144:7Y27TEjclEqGk0nwRtvBv+5J7ksMdNN1Onkq0gonMUhH:7YuT4clEqk0vBv+5xMbNSnRSFH

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-27_050e3910fcad0c9f286e2132b813472e_virlock

    • Size

      297KB

    • MD5

      050e3910fcad0c9f286e2132b813472e

    • SHA1

      297be307ff856130207b9717f472710a89dc8ade

    • SHA256

      d088d8a382c73a598b6ab0527ca8a5fde9434c4c1a66090195a4535d1aef2261

    • SHA512

      7b38ea887ce9394652de8bf379944edc8695625b10ed2e064f5654b5483110051a1b3afefb468854875c0e64900d2a71f9712610225b4d248aea47fec4f3ea27

    • SSDEEP

      6144:7Y27TEjclEqGk0nwRtvBv+5J7ksMdNN1Onkq0gonMUhH:7YuT4clEqk0vBv+5xMbNSnRSFH

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (57) 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