General

  • Target

    BUG32.exe

  • Size

    3.0MB

  • Sample

    230509-xqvbqafe2x

  • MD5

    149cc2ec1900cb778afb50d8026eadf5

  • SHA1

    a7bc1bbc7bdc970757ec369ef0b51dc53989f131

  • SHA256

    817a695e53a1d6e24f2c701751b4d18468f20698f30fada420dfba6e21a09797

  • SHA512

    d617654478beb6325d86c108cddaff8f8d658a235d26b8e0282ed85dca826bdb62b0b67e749c7cd421dbae1d98084220e2f4d5779badb8fd7ab07ff333a35553

  • SSDEEP

    49152:Or2U5IahDUGN97rkqOAackLjQ0rZEAh3oA6wHE+K60Kk0aCLkfAZKt0OJTcL:4H2ahFNNrg3QbQoA6wHEnFN4IJu

Malware Config

Targets

    • Target

      BUG32.exe

    • Size

      3.0MB

    • MD5

      149cc2ec1900cb778afb50d8026eadf5

    • SHA1

      a7bc1bbc7bdc970757ec369ef0b51dc53989f131

    • SHA256

      817a695e53a1d6e24f2c701751b4d18468f20698f30fada420dfba6e21a09797

    • SHA512

      d617654478beb6325d86c108cddaff8f8d658a235d26b8e0282ed85dca826bdb62b0b67e749c7cd421dbae1d98084220e2f4d5779badb8fd7ab07ff333a35553

    • SSDEEP

      49152:Or2U5IahDUGN97rkqOAackLjQ0rZEAh3oA6wHE+K60Kk0aCLkfAZKt0OJTcL:4H2ahFNNrg3QbQoA6wHEnFN4IJu

    • Modifies WinLogon for persistence

    • UAC bypass

    • Blocklisted process makes network request

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Checks computer location settings

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

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

MITRE ATT&CK Enterprise v6

Tasks