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_2685e36f67de7938e5924306fe2944b3_virlock

  • Size

    140KB

  • Sample

    240902-pybkks1eng

  • MD5

    2685e36f67de7938e5924306fe2944b3

  • SHA1

    8b45910fa4108cd0d10bc806a878b1e97feb99fb

  • SHA256

    1f2be4467fdae811eea9fe10c51f05b14f9f3f9f0f94ad497dafbebc0b751fb2

  • SHA512

    0dbbe090ef3329ef8df230ac96fd21e905e48ad026e350fa9375d4715d4cea8285edab79f4d54281682308e38a2fce832cd6cd3e83cab5d2363973c93c89e581

  • SSDEEP

    3072:BhPwoKGJIVa5a66ZVM4hJrVapV2fZ1km+Dx4uCOAoXVv:T4o5azhhuVxGXFC9

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-09-02_2685e36f67de7938e5924306fe2944b3_virlock

    • Size

      140KB

    • MD5

      2685e36f67de7938e5924306fe2944b3

    • SHA1

      8b45910fa4108cd0d10bc806a878b1e97feb99fb

    • SHA256

      1f2be4467fdae811eea9fe10c51f05b14f9f3f9f0f94ad497dafbebc0b751fb2

    • SHA512

      0dbbe090ef3329ef8df230ac96fd21e905e48ad026e350fa9375d4715d4cea8285edab79f4d54281682308e38a2fce832cd6cd3e83cab5d2363973c93c89e581

    • SSDEEP

      3072:BhPwoKGJIVa5a66ZVM4hJrVapV2fZ1km+Dx4uCOAoXVv:T4o5azhhuVxGXFC9

    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