General

  • Target

    NA_NA_534fe831abce25exeexe_JC.exe

  • Size

    9.2MB

  • Sample

    230724-s87bsaff31

  • MD5

    534fe831abce25517ca943dddc66a947

  • SHA1

    13a4f8d7705899c15c7ebff6529a2fbe7a6f0608

  • SHA256

    c3f6fb618191480e262b6c6c1b4cac041d26f3790dc3443239b0b1c31d66dcfb

  • SHA512

    10a1ea6450376f452ede5558dd375eadc691216c1cfbd55c041e7e69a607bb4cf865fb2d80a94668c602d8f35fc178794976736faa97d1cf43e659cf5d247f95

  • SSDEEP

    98304:ysnUm8U/6f0oAaldmdmnpgsnUm8U/6f0oAaldmdmnpmM2:V18U/6cKmd0N18U/6cKmd012

Malware Config

Targets

    • Target

      NA_NA_534fe831abce25exeexe_JC.exe

    • Size

      9.2MB

    • MD5

      534fe831abce25517ca943dddc66a947

    • SHA1

      13a4f8d7705899c15c7ebff6529a2fbe7a6f0608

    • SHA256

      c3f6fb618191480e262b6c6c1b4cac041d26f3790dc3443239b0b1c31d66dcfb

    • SHA512

      10a1ea6450376f452ede5558dd375eadc691216c1cfbd55c041e7e69a607bb4cf865fb2d80a94668c602d8f35fc178794976736faa97d1cf43e659cf5d247f95

    • SSDEEP

      98304:ysnUm8U/6f0oAaldmdmnpgsnUm8U/6f0oAaldmdmnpmM2:V18U/6cKmd0N18U/6cKmd012

    • Blackmoon, KrBanker

      Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

    • Detect Blackmoon payload

    • UAC bypass

    • Adds policy Run key to start application

    • Disables RegEdit via registry modification

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks