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Overview

overview

10

Static

static

3

2024-07-06...ck.exe

windows7-x64

10

2024-07-06...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-07-06_4c7959b55961a3859db47073ccbbbfb6_virlock

  • Size

    121KB

  • Sample

    240706-w3rwpaygjr

  • MD5

    4c7959b55961a3859db47073ccbbbfb6

  • SHA1

    c54a1acc69b9df04a6c53c1d930bdd7408bf0018

  • SHA256

    3d0c82dfdbc63d66fbcbfbd7c130637473b293d7ff30bcf2b3304f9c19113395

  • SHA512

    1301826bdcea85fe4ca2a65a800d159a4842dca29633c659ce65f39e3363a5368160ff665253aba11bc8ac885030d797bc6c40b6f57a5d471cc91689f90d946a

  • SSDEEP

    1536:E6pvgqzlgqLub80E8RQhANXdGyUtS5S9Ej46p4NgnkOE1YCeJ1nHaYBxrz+Rm0R8:E5JKKPNXB50PNgkg6YHrsm044EKRJa

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-07-06_4c7959b55961a3859db47073ccbbbfb6_virlock

    • Size

      121KB

    • MD5

      4c7959b55961a3859db47073ccbbbfb6

    • SHA1

      c54a1acc69b9df04a6c53c1d930bdd7408bf0018

    • SHA256

      3d0c82dfdbc63d66fbcbfbd7c130637473b293d7ff30bcf2b3304f9c19113395

    • SHA512

      1301826bdcea85fe4ca2a65a800d159a4842dca29633c659ce65f39e3363a5368160ff665253aba11bc8ac885030d797bc6c40b6f57a5d471cc91689f90d946a

    • SSDEEP

      1536:E6pvgqzlgqLub80E8RQhANXdGyUtS5S9Ej46p4NgnkOE1YCeJ1nHaYBxrz+Rm0R8:E5JKKPNXB50PNgkg6YHrsm044EKRJa

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (84) 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