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General

  • Target

    37fa116ac75887bf0a2ec400e4ea33ef

  • Size

    255KB

  • Sample

    231225-x6xrsachc6

  • MD5

    37fa116ac75887bf0a2ec400e4ea33ef

  • SHA1

    6687a2fec52e9322e76707705a595829824f9af7

  • SHA256

    55edd1731f6160632379e7eab705be99fdb401c2ab96d2f1bef6925f6b7b8acc

  • SHA512

    ddf0b68fda86e0f4b2a8d2c8fa61fa26a12c62416133e442da584a607e10659130537f3367274b21ad1841c6ed6cd40730b9e3dcdd4b548747895a3191481dfa

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJL:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIU

Malware Config

Targets

    • Target

      37fa116ac75887bf0a2ec400e4ea33ef

    • Size

      255KB

    • MD5

      37fa116ac75887bf0a2ec400e4ea33ef

    • SHA1

      6687a2fec52e9322e76707705a595829824f9af7

    • SHA256

      55edd1731f6160632379e7eab705be99fdb401c2ab96d2f1bef6925f6b7b8acc

    • SHA512

      ddf0b68fda86e0f4b2a8d2c8fa61fa26a12c62416133e442da584a607e10659130537f3367274b21ad1841c6ed6cd40730b9e3dcdd4b548747895a3191481dfa

    • SSDEEP

      3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJL:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIU

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • Windows security bypass

    • Disables RegEdit via registry modification

    • 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.

    • UPX packed file

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

    • Windows security modification

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Modifies WinLogon

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks