General

  • Target

    2024-04-08_360ebed71c084664b0ea038da9d1f902_virlock

  • Size

    252KB

  • Sample

    240408-nmlezabd5s

  • MD5

    360ebed71c084664b0ea038da9d1f902

  • SHA1

    3ff39150fae3e50dc580f78ebae38015aa27c506

  • SHA256

    34ffe051c82003a663b634d2e4e133bf877e2c7886fd887e5d08f7ed6c2acfd7

  • SHA512

    78b7c6b913e0bf454b48c417344b960fc66bb4c6faf1bfc2f9dc021cc7a21abe8e127e488f3cf24b691c1a70b493458fe7b3210de32a2bdb064b2182f7940d45

  • SSDEEP

    3072:v8D7KBK6k4vrB3QFXR2iGgTxVrO9kmsIAAABykk6IEMegADupTP10IKbWbRla6M:k7Z6kKrBANR2caZwCT90IAKY6M

Malware Config

Targets

    • Target

      2024-04-08_360ebed71c084664b0ea038da9d1f902_virlock

    • Size

      252KB

    • MD5

      360ebed71c084664b0ea038da9d1f902

    • SHA1

      3ff39150fae3e50dc580f78ebae38015aa27c506

    • SHA256

      34ffe051c82003a663b634d2e4e133bf877e2c7886fd887e5d08f7ed6c2acfd7

    • SHA512

      78b7c6b913e0bf454b48c417344b960fc66bb4c6faf1bfc2f9dc021cc7a21abe8e127e488f3cf24b691c1a70b493458fe7b3210de32a2bdb064b2182f7940d45

    • SSDEEP

      3072:v8D7KBK6k4vrB3QFXR2iGgTxVrO9kmsIAAABykk6IEMegADupTP10IKbWbRla6M:k7Z6kKrBANR2caZwCT90IAKY6M

    • Modifies visibility of file extensions in Explorer

    • UAC bypass

    • Renames multiple (82) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • 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.

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks