General

  • Target

    056c73060f1553f213982a5bfb4d3535ef0594e1fcb70c8a67bc83e6b5d972c5_unpacked_dropper

  • Size

    350KB

  • Sample

    221026-3wy5raaag7

  • MD5

    3f65f241981377c60c4f96e43f2925c3

  • SHA1

    6f11358676bc96c1062858739904f955996906f4

  • SHA256

    056c73060f1553f213982a5bfb4d3535ef0594e1fcb70c8a67bc83e6b5d972c5

  • SHA512

    a02f051946afddd0034db22539f73d5639a8e57f0c5c19fa355f1e198691f83fc7df95c208c4330838a84265b5aaba6eac72f698e6307455d8561f621b6d005d

  • SSDEEP

    6144:n5gNwmDoctwXekY4no0zbbRzpBwmZm+72dCMKB7QNk3VcXaO:kknXekNoYJzLids7Ak3VEN

Malware Config

Extracted

Family

gozi_ifsb

Botnet

1000

Attributes
  • exe_type

    worker

  • server_id

    12

rsa_pubkey.plain
serpent.plain

Targets

    • Target

      056c73060f1553f213982a5bfb4d3535ef0594e1fcb70c8a67bc83e6b5d972c5_unpacked_dropper

    • Size

      350KB

    • MD5

      3f65f241981377c60c4f96e43f2925c3

    • SHA1

      6f11358676bc96c1062858739904f955996906f4

    • SHA256

      056c73060f1553f213982a5bfb4d3535ef0594e1fcb70c8a67bc83e6b5d972c5

    • SHA512

      a02f051946afddd0034db22539f73d5639a8e57f0c5c19fa355f1e198691f83fc7df95c208c4330838a84265b5aaba6eac72f698e6307455d8561f621b6d005d

    • SSDEEP

      6144:n5gNwmDoctwXekY4no0zbbRzpBwmZm+72dCMKB7QNk3VcXaO:kknXekNoYJzLids7Ak3VEN

    • Gozi, Gozi IFSB

      Gozi ISFB is a well-known and widely distributed banking trojan.

    • Windows security bypass

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks