General

  • Target

    DOMUMENTO DE TRANSACCION REALIZADA.bin.zip

  • Size

    64KB

  • Sample

    220609-vlmpzaeeh7

  • MD5

    17638baee6cac22980628aafb5ffd566

  • SHA1

    dbb4d6c0f5647d15225a183e468272be9bbda847

  • SHA256

    6f628448d414787ca2ee26eed975b02ae71a9ab61d2d8eb58f3de9f8d285c7e5

  • SHA512

    d92493483e2d3afc5f3fcc66e93cebd17fb2bd2e2eeb003c2983848ce1e6f2212964634cf7f43242a7e35b24fea780ee4a00eae6652570e4c0243da6fd1fc856

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

breswew.duckdns.org:1880

Attributes
  • communication_password

    202cb962ac59075b964b07152d234b70

  • tor_process

    tor

Targets

    • Target

      DOMUMENTO DE TRANSACCION REALIZADA.bin

    • Size

      126KB

    • MD5

      8c52bf0ad28692c8e274874606c362dd

    • SHA1

      ebcda75002db41d1a7f3597ca9467aab625439f7

    • SHA256

      ac6da2e8ec05b1e8e562c15745997b48c0f51aeb823d4858445123060f40bb57

    • SHA512

      62dc35a98757814ceaec1f5ff41d97641e5ceabb3e5511ad79be3db272d63fbd001bb62ea9f019a773dd5293dd4993a87d775825dda827b5dd9c1a05d274bf24

    • BitRAT

      BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

    • suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)

      suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

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

    • Adds Run key to start application

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks