General

  • Target

    97a4d094f86b757b3fb0e189f2843a7af8d0ec43f9805214e89992528e83b5d7

  • Size

    270KB

  • Sample

    231011-k5dw3adb7t

  • MD5

    0a2f0447233fa3f8c754fc8142ab6f7a

  • SHA1

    57ad4363343ac0ac26e953bf5473e50327ce3994

  • SHA256

    97a4d094f86b757b3fb0e189f2843a7af8d0ec43f9805214e89992528e83b5d7

  • SHA512

    764a1f3b939efa5f1e1e1794064bc3f8de14787c27802f75e352f7c62b4ef8822716c81a6ef32c9eb4100f8e4ae0eb7df9283a3beee3e190d548a472bb8c1117

  • SSDEEP

    6144:Vnc5VNMxG6QK8HwEFd2PTwwfyb2lMIw6Ou6AiC:VgN2G6v8HwQd2PleKVONBC

Malware Config

Targets

    • Target

      97a4d094f86b757b3fb0e189f2843a7af8d0ec43f9805214e89992528e83b5d7

    • Size

      270KB

    • MD5

      0a2f0447233fa3f8c754fc8142ab6f7a

    • SHA1

      57ad4363343ac0ac26e953bf5473e50327ce3994

    • SHA256

      97a4d094f86b757b3fb0e189f2843a7af8d0ec43f9805214e89992528e83b5d7

    • SHA512

      764a1f3b939efa5f1e1e1794064bc3f8de14787c27802f75e352f7c62b4ef8822716c81a6ef32c9eb4100f8e4ae0eb7df9283a3beee3e190d548a472bb8c1117

    • SSDEEP

      6144:Vnc5VNMxG6QK8HwEFd2PTwwfyb2lMIw6Ou6AiC:VgN2G6v8HwQd2PleKVONBC

    • Phobos

      Phobos ransomware appeared at the beginning of 2019.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Renames multiple (85) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • Modifies Windows Firewall

    • Drops startup file

    • 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

    • Drops desktop.ini file(s)

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks