General

  • Target

    9bb1857289c41202b58fb9d93d8818f1ebbcd982756292cf7523ca3916b05c1b

  • Size

    548KB

  • Sample

    221029-y4r9ysecdp

  • MD5

    a3875c3f83c8db565fdcf44d8b0b5586

  • SHA1

    5b0a5e75a6d1b31922113a828c2d0a3f80cd67f8

  • SHA256

    9bb1857289c41202b58fb9d93d8818f1ebbcd982756292cf7523ca3916b05c1b

  • SHA512

    d0025f195f1354f9fff209c909a0087713ddb952748bd71ce21fa45de442eeca62425959a61bc5795297d0febc5c31021b3ab9aa64299859719914863961bf6b

  • SSDEEP

    12288:jUfru9v5yBZ1ohOgaymjWgnuBP1uixbCSzkN0cCk:QjurqZfgaykWgsNuHSzk2M

Malware Config

Targets

    • Target

      9bb1857289c41202b58fb9d93d8818f1ebbcd982756292cf7523ca3916b05c1b

    • Size

      548KB

    • MD5

      a3875c3f83c8db565fdcf44d8b0b5586

    • SHA1

      5b0a5e75a6d1b31922113a828c2d0a3f80cd67f8

    • SHA256

      9bb1857289c41202b58fb9d93d8818f1ebbcd982756292cf7523ca3916b05c1b

    • SHA512

      d0025f195f1354f9fff209c909a0087713ddb952748bd71ce21fa45de442eeca62425959a61bc5795297d0febc5c31021b3ab9aa64299859719914863961bf6b

    • SSDEEP

      12288:jUfru9v5yBZ1ohOgaymjWgnuBP1uixbCSzkN0cCk:QjurqZfgaykWgsNuHSzk2M

    • Modifies WinLogon for persistence

    • Modifies visiblity of hidden/system files in Explorer

    • Executes dropped EXE

    • 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.

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unexpected DNS network traffic destination

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

    • Adds Run key to start application

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks