Overview

overview

10

Static

static

3

2025-04-04...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2025-04-04_84e4ee6f271cd8ad8bbe04ff715b7e23_virlock

  • Size

    647KB

  • Sample

    250404-f72zfstjt6

  • MD5

    84e4ee6f271cd8ad8bbe04ff715b7e23

  • SHA1

    a77ea81066d081e5350486bb4a7a5635e5beaadc

  • SHA256

    313fe1bb7bb40ebd669b05df676a69839dedf84316df2106987c928b5eb2ae2b

  • SHA512

    6f70019324786d5146fe223d6220dbcef77d363ce01d98ec4c47bfd8566bcb6c3b378a0e9818ef683acd4f5bf4c6dd99132717a2828ba033464a668afa5987ae

  • SSDEEP

    6144:w1mmMoR6u3O+4NLwGadS2inLxQeIUfnMQpAw0OzHQZDrBZ2VCCwyG4/yHQoWFlDy:wYXu3O+4RCA2iCyJdHGyCcHaHet6r5

Score
10/10
defense_evasiondiscoverypersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2025-04-04_84e4ee6f271cd8ad8bbe04ff715b7e23_virlock

    • Size

      647KB

    • MD5

      84e4ee6f271cd8ad8bbe04ff715b7e23

    • SHA1

      a77ea81066d081e5350486bb4a7a5635e5beaadc

    • SHA256

      313fe1bb7bb40ebd669b05df676a69839dedf84316df2106987c928b5eb2ae2b

    • SHA512

      6f70019324786d5146fe223d6220dbcef77d363ce01d98ec4c47bfd8566bcb6c3b378a0e9818ef683acd4f5bf4c6dd99132717a2828ba033464a668afa5987ae

    • SSDEEP

      6144:w1mmMoR6u3O+4NLwGadS2inLxQeIUfnMQpAw0OzHQZDrBZ2VCCwyG4/yHQoWFlDy:wYXu3O+4RCA2iCyJdHGyCcHaHet6r5

    Score
    10/10
    defense_evasiondiscoverypersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      defense_evasion

    • UAC bypass

      defense_evasiontrojan

    • Renames multiple (95) 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

    • 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

    behavioral1

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

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

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