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Overview

overview

10

Static

static

3

2024-01-24...ck.exe

windows7-x64

10

2024-01-24...ck.exe

windows10-2004-x64

10

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General

  • Target

    2024-01-24_cc9b986fcb501461346edd3131020554_virlock

  • Size

    162KB

  • Sample

    240124-kmcw2secdp

  • MD5

    cc9b986fcb501461346edd3131020554

  • SHA1

    0dbbc3671e51ca8bd57470243952d7b3868236a8

  • SHA256

    c5d2be86cdcbf3e15a34ac88787f7f063b3bc5fc98543ad6480f43772a709f58

  • SHA512

    0703c33ea2e9e1c211559329981882a9a474f3726cc8276e6c016419dd243c61cebd03838eaf42af1c918e1e9c350d25947f4df344ff22e2e67579495ee9f12f

  • SSDEEP

    3072:KmTSmWIDZc7v9MPV8Z5qQerImx5Ybc2xknD0E1xnFQQWKmaWDh467AlJs:KmuY8v28ZqSTaGhz7ae

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-01-24_cc9b986fcb501461346edd3131020554_virlock

    • Size

      162KB

    • MD5

      cc9b986fcb501461346edd3131020554

    • SHA1

      0dbbc3671e51ca8bd57470243952d7b3868236a8

    • SHA256

      c5d2be86cdcbf3e15a34ac88787f7f063b3bc5fc98543ad6480f43772a709f58

    • SHA512

      0703c33ea2e9e1c211559329981882a9a474f3726cc8276e6c016419dd243c61cebd03838eaf42af1c918e1e9c350d25947f4df344ff22e2e67579495ee9f12f

    • SSDEEP

      3072:KmTSmWIDZc7v9MPV8Z5qQerImx5Ybc2xknD0E1xnFQQWKmaWDh467AlJs:KmuY8v28ZqSTaGhz7ae

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (79) 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

    • Checks whether UAC is enabled

      evasiontrojan

    • 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

5
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks