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Overview

overview

10

Static

static

3

2024-07-05...ck.exe

windows7-x64

10

2024-07-05...ck.exe

windows10-2004-x64

10

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General

  • Target

    2024-07-05_faf4a13294c9eb15a32a66ddff1cd0b8_virlock

  • Size

    242KB

  • Sample

    240705-qwxkps1hne

  • MD5

    faf4a13294c9eb15a32a66ddff1cd0b8

  • SHA1

    18dc43f42d13880b13d8459c76a0bedee2b86a54

  • SHA256

    958a79dfb26cb0548fa6b48e66b6c826350733a331c77d885ddee2503e2a8ede

  • SHA512

    315f709f7c38ca0e723e7fc8ed0e0292f1262e020a682a9b7d01cd7ef3652259d963c94e8293faada8f2e086fe55c79388f41796e1e9d3f3003556401ae45a1c

  • SSDEEP

    6144:LjuolgBD6TtaqF73V3b9M5r8YWnWiZ8llW:3uoA6TtaqF7tbm5XWnTZCW

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-07-05_faf4a13294c9eb15a32a66ddff1cd0b8_virlock

    • Size

      242KB

    • MD5

      faf4a13294c9eb15a32a66ddff1cd0b8

    • SHA1

      18dc43f42d13880b13d8459c76a0bedee2b86a54

    • SHA256

      958a79dfb26cb0548fa6b48e66b6c826350733a331c77d885ddee2503e2a8ede

    • SHA512

      315f709f7c38ca0e723e7fc8ed0e0292f1262e020a682a9b7d01cd7ef3652259d963c94e8293faada8f2e086fe55c79388f41796e1e9d3f3003556401ae45a1c

    • SSDEEP

      6144:LjuolgBD6TtaqF73V3b9M5r8YWnWiZ8llW:3uoA6TtaqF7tbm5XWnTZCW

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (82) 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