Overview

overview

10

Static

static

3

2024-09-02...ck.exe

windows7-x64

10

2024-09-02...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-09-02_73772bf5b659c9db9daff34dcc5b225b_virlock

  • Size

    2.6MB

  • Sample

    240902-q37z1s1gjk

  • MD5

    73772bf5b659c9db9daff34dcc5b225b

  • SHA1

    1bb26eceb418a81e2012ce4aad6223dde23b1712

  • SHA256

    354afdf4aa45547856c872f95843503fbdf8580da15574595073b258d553a1f8

  • SHA512

    8ba0736e82576f7e2de153358edb001a1cd6a398a5e6d36bec6ba4f38f1e5eb90fc0e6f2d9ff2f494d17fd774f4365def87c718165a124ec1204658758cea2d5

  • SSDEEP

    49152:/wf01cYk0orpkg4Pynn/X/jAJu05o+x+iMZS2zbXQ+byLtzPTf0ceO8fax5y2bk+:If0+10opeynn/XLAu05okhMZSybXQ+Ed

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-09-02_73772bf5b659c9db9daff34dcc5b225b_virlock

    • Size

      2.6MB

    • MD5

      73772bf5b659c9db9daff34dcc5b225b

    • SHA1

      1bb26eceb418a81e2012ce4aad6223dde23b1712

    • SHA256

      354afdf4aa45547856c872f95843503fbdf8580da15574595073b258d553a1f8

    • SHA512

      8ba0736e82576f7e2de153358edb001a1cd6a398a5e6d36bec6ba4f38f1e5eb90fc0e6f2d9ff2f494d17fd774f4365def87c718165a124ec1204658758cea2d5

    • SSDEEP

      49152:/wf01cYk0orpkg4Pynn/X/jAJu05o+x+iMZS2zbXQ+byLtzPTf0ceO8fax5y2bk+:If0+10opeynn/XLAu05okhMZSybXQ+Ed

    Score
    10/10
    discoveryevasionpersistencespywarestealertrojanransomware

    • 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

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks