General

  • Target
    624c9238527dd.dll
  • Size 524KB
  • Sample220405-xvxmmsfbdn
  • SHA256 53c98ffe8239d1b715de36fb51e0dfd87ffa02d11a2e9d5df3c010e9d6973354
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • gozi_ifsb

Botnet
  • 3000

C2
  • config.edge.skype.com

  • 185.154.53.214

  • 185.154.53.188

  • 46.30.42.246

Attributes
  • base_path

    /drew/

  • build

    260226

  • exe_type

    loader

  • extension

    .jlk

  • server_id

    50

rsa_pubkey.plain
aes.plain

Extracted

Family
  • gozi_ifsb

Botnet
  • 3000

C2
  • config.edge.skype.com

  • 185.154.53.58

  • cabrioxmdes.at

  • hopexmder.net

  • 185.154.53.49

  • 193.56.146.189

Attributes
  • base_path

    /images/

  • exe_type

    worker

  • extension

    .jlk

  • server_id

    50

rsa_pubkey.plain
aes.plain

Targets

    • Target
      624c9238527dd.dll
    • Size 524KB
    • SHA256 53c98ffe8239d1b715de36fb51e0dfd87ffa02d11a2e9d5df3c010e9d6973354
    • MD5 SHA1 SHA512
    • Gozi, Gozi IFSB

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

    • suricata: ET MALWARE Generic .bin download from Dotted Quad

      suricata: ET MALWARE Generic .bin download from Dotted Quad

    • 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

    • suricata: ET MALWARE Zbot Generic URI/Header Struct .bin

      suricata: ET MALWARE Zbot Generic URI/Header Struct .bin

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Deletes itself

    • Unexpected DNS network traffic destination

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks