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Overview

overview

10

Static

static

3

2024-09-15...ck.exe

windows7-x64

10

2024-09-15...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-09-15_06f86b3751be57a687683a0ef218e1d6_virlock

  • Size

    262KB

  • Sample

    240915-g45fvazcmb

  • MD5

    06f86b3751be57a687683a0ef218e1d6

  • SHA1

    e681eb1e555aaca0b855038aea0acbb321dac0e2

  • SHA256

    764042b36c584f75bbf43a5e4a8a22013cf3b7c6bf571056cfc648f99514d8b9

  • SHA512

    dfd640bf3ca90ed4d5d40c2ee747b7bdd003547c633a10bfa88f17bc32e90a3251f4987d6cb12e29d1704e908bb002467e96e73d8eae8c32a9737657aef2de42

  • SSDEEP

    6144:HnGJvGd5dNTrDJvRhz13mBQvqt8fzvkOpqcGQ4SFbq75eLoe42F:HcydNTrDBz13Lqt2vkOpkBmq7EoJ2F

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-09-15_06f86b3751be57a687683a0ef218e1d6_virlock

    • Size

      262KB

    • MD5

      06f86b3751be57a687683a0ef218e1d6

    • SHA1

      e681eb1e555aaca0b855038aea0acbb321dac0e2

    • SHA256

      764042b36c584f75bbf43a5e4a8a22013cf3b7c6bf571056cfc648f99514d8b9

    • SHA512

      dfd640bf3ca90ed4d5d40c2ee747b7bdd003547c633a10bfa88f17bc32e90a3251f4987d6cb12e29d1704e908bb002467e96e73d8eae8c32a9737657aef2de42

    • SSDEEP

      6144:HnGJvGd5dNTrDJvRhz13mBQvqt8fzvkOpqcGQ4SFbq75eLoe42F:HcydNTrDBz13Lqt2vkOpkBmq7EoJ2F

    Score
    10/10
    discoveryevasionpersistencespywarestealertrojanransomware

    • 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.

    • 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
    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