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Overview

overview

10

Static

static

3

2024-06-24...ck.exe

windows7-x64

10

2024-06-24...ck.exe

windows10-2004-x64

10

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General

  • Target

    2024-06-24_53a32a986cfc4b18a304933cb020c464_virlock

  • Size

    110KB

  • Sample

    240624-mj7ncsxeng

  • MD5

    53a32a986cfc4b18a304933cb020c464

  • SHA1

    9bd80e1ea6db25cde4c9a6875ddc9268d82e308d

  • SHA256

    260344e308e8c79176b2977435e4878b150ae108ec3314ec5be07cd32139c643

  • SHA512

    f91521abab684d7e7e906389095d655fb8d44c901c160045016bde7c6fe1f3cbd389cffc11090db753ae7fd3bcb33d9814e0b30d16cc7bd908a4a160995cb2da

  • SSDEEP

    3072:CoS4wVGQkKPz2fMfqr59JdxavuQyIqiIrINkBH8dE:CdVvCMMdEvuQyBiIrskBHg

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-06-24_53a32a986cfc4b18a304933cb020c464_virlock

    • Size

      110KB

    • MD5

      53a32a986cfc4b18a304933cb020c464

    • SHA1

      9bd80e1ea6db25cde4c9a6875ddc9268d82e308d

    • SHA256

      260344e308e8c79176b2977435e4878b150ae108ec3314ec5be07cd32139c643

    • SHA512

      f91521abab684d7e7e906389095d655fb8d44c901c160045016bde7c6fe1f3cbd389cffc11090db753ae7fd3bcb33d9814e0b30d16cc7bd908a4a160995cb2da

    • SSDEEP

      3072:CoS4wVGQkKPz2fMfqr59JdxavuQyIqiIrINkBH8dE:CdVvCMMdEvuQyBiIrskBHg

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (76) 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.

    • Deletes itself

    • 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