General

  • Target
    0x0007000000012676-63.exe
  • Size 406KB
  • Sample220414-j4earsagfl
  • SHA256 bd9eb71baa0d28bff80cbfa742346aa8f6d08ac463ce85bd97b9842aa6a2bbcb
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • gozi_ifsb

Botnet
  • 555

C2
  • config.edge.skype.com

  • 146.70.35.138

  • 146.70.35.142

Attributes
  • base_path

    /phpadmin/

  • build

    250227

  • exe_type

    loader

  • extension

    .src

  • server_id

    50

rsa_pubkey.plain
aes.plain

Extracted

Family
  • gozi_ifsb

Botnet
  • 555

C2
  • config.edge.skype.com

  • 67.43.234.14

  • 67.43.234.37

  • 67.43.234.47

Attributes
  • base_path

    /images/

  • exe_type

    worker

  • extension

    .src

  • server_id

    50

rsa_pubkey.plain
aes.plain

Targets

    • Target
      0x0007000000012676-63.exe
    • Size 406KB
    • SHA256 bd9eb71baa0d28bff80cbfa742346aa8f6d08ac463ce85bd97b9842aa6a2bbcb
    • MD5 SHA1 SHA512
    • Gozi, Gozi IFSB

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

    • suricata: ET MALWARE Ursnif Payload Request (cook32.rar)

      suricata: ET MALWARE Ursnif Payload Request (cook32.rar)

    • suricata: ET MALWARE Ursnif Payload Request (cook64.rar)

      suricata: ET MALWARE Ursnif Payload Request (cook64.rar)

    • suricata: ET MALWARE Ursnif Variant CnC Beacon

      suricata: ET MALWARE Ursnif Variant CnC Beacon

    • suricata: ET MALWARE Ursnif Variant CnC Beacon - URI Struct M2 (_2F)

      suricata: ET MALWARE Ursnif Variant CnC Beacon - URI Struct M2 (_2F)

    • suricata: ET MALWARE Ursnif Variant CnC Data Exfil

      suricata: ET MALWARE Ursnif Variant CnC Data Exfil

    • Checks computer location settings

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks