General

  • Target

    202405245b3e104a28b0fe470b49d27e6fd466devirlock

  • Size

    268KB

  • Sample

    240525-z58trsbc43

  • MD5

    5b3e104a28b0fe470b49d27e6fd466de

  • SHA1

    21081cd1114148f53787375dbbf23b15bec2fbc8

  • SHA256

    e03f859ec2b9ae57590beb8d1acb4225b819e445ac638243e566f7a0466788cf

  • SHA512

    1765e99245312028831d496e890ca68c8906651a355d6304408ab1e39d812ded00e0ace00b665de7b81eaba89a570c12e88bb7e9bd3def234b209cbe4f10403e

  • SSDEEP

    3072:AolMtIr0rbOKsZM3XjcuvzrEtLWeCbMO72UVAFaZ15M9BZUHdZK1yBbEpCI3BaUx:Ao+uwDFBwWeCZ7H7ZY9cy1Ib/vQnF

Malware Config

Targets

    • Target

      202405245b3e104a28b0fe470b49d27e6fd466devirlock

    • Size

      268KB

    • MD5

      5b3e104a28b0fe470b49d27e6fd466de

    • SHA1

      21081cd1114148f53787375dbbf23b15bec2fbc8

    • SHA256

      e03f859ec2b9ae57590beb8d1acb4225b819e445ac638243e566f7a0466788cf

    • SHA512

      1765e99245312028831d496e890ca68c8906651a355d6304408ab1e39d812ded00e0ace00b665de7b81eaba89a570c12e88bb7e9bd3def234b209cbe4f10403e

    • SSDEEP

      3072:AolMtIr0rbOKsZM3XjcuvzrEtLWeCbMO72UVAFaZ15M9BZUHdZK1yBbEpCI3BaUx:Ao+uwDFBwWeCZ7H7ZY9cy1Ib/vQnF

    • Modifies visibility of file extensions in Explorer

    • UAC bypass

    • Renames multiple (60) 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.

    • 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.

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks