Overview

overview

10

Static

static

3

2024-06-30...ck.exe

windows7-x64

10

2024-06-30...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-06-30_0a4cc079e7054e103640ce45eedb4c9c_virlock

  • Size

    115KB

  • Sample

    240630-njgbvazfnk

  • MD5

    0a4cc079e7054e103640ce45eedb4c9c

  • SHA1

    2d2be05b3f76f2df2303602310c1e7c51e6438d2

  • SHA256

    58416ad31509e24a2a378b6b276ec2cbd2e8a53ee1de6d2df640afaffde901f6

  • SHA512

    019827644985b39982295cb49803eda4438d032cefb5c7166ac4b368db678882357f3ad1f5dcef8a891595f5c5eed8faab2f2fa9b5283cf95080d6cdc0171308

  • SSDEEP

    1536:m/w/IPksGHiyoliP75kjb9kTwsKlo3IL0OxGcTacbD6T622VQDPKufp72QTIIbHz:oPksGHiwNgb9WwzoQrbDhgPKeU+bG

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-06-30_0a4cc079e7054e103640ce45eedb4c9c_virlock

    • Size

      115KB

    • MD5

      0a4cc079e7054e103640ce45eedb4c9c

    • SHA1

      2d2be05b3f76f2df2303602310c1e7c51e6438d2

    • SHA256

      58416ad31509e24a2a378b6b276ec2cbd2e8a53ee1de6d2df640afaffde901f6

    • SHA512

      019827644985b39982295cb49803eda4438d032cefb5c7166ac4b368db678882357f3ad1f5dcef8a891595f5c5eed8faab2f2fa9b5283cf95080d6cdc0171308

    • SSDEEP

      1536:m/w/IPksGHiyoliP75kjb9kTwsKlo3IL0OxGcTacbD6T622VQDPKufp72QTIIbHz:oPksGHiwNgb9WwzoQrbDhgPKeU+bG

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (83) 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