Overview

overview

10

Static

static

3

2024-07-05...ck.exe

windows7-x64

10

2024-07-05...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-07-05_54caf90fb12e3adfc06ad6aa4b6769b6_virlock

  • Size

    117KB

  • Sample

    240705-mgymnsygre

  • MD5

    54caf90fb12e3adfc06ad6aa4b6769b6

  • SHA1

    6751c26d7d8d92300538f11b255a7ccfa05aea46

  • SHA256

    0a8bdb6fa2311c0a003c5c2b509e600893fea6151255cc94bff3384de4d36253

  • SHA512

    32caa3f8989a8c888429731f4836c1609f7d8aea337568ed7d05bdefbddf2cfdf4218e4e5500bfc9bfbac384e656c050e3faf5c8e545f3d0f0499da47a228640

  • SSDEEP

    3072:P7O+PoONHRrnh29s1IAG6DxR/wrebz4zibfwuxJZu:C+P79Zh2i1I7GxVwrKzu

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-07-05_54caf90fb12e3adfc06ad6aa4b6769b6_virlock

    • Size

      117KB

    • MD5

      54caf90fb12e3adfc06ad6aa4b6769b6

    • SHA1

      6751c26d7d8d92300538f11b255a7ccfa05aea46

    • SHA256

      0a8bdb6fa2311c0a003c5c2b509e600893fea6151255cc94bff3384de4d36253

    • SHA512

      32caa3f8989a8c888429731f4836c1609f7d8aea337568ed7d05bdefbddf2cfdf4218e4e5500bfc9bfbac384e656c050e3faf5c8e545f3d0f0499da47a228640

    • SSDEEP

      3072:P7O+PoONHRrnh29s1IAG6DxR/wrebz4zibfwuxJZu:C+P79Zh2i1I7GxVwrKzu

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (73) 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.

    • Deletes itself

    • 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

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks