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Analysis

  • max time kernel
    186s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07/11/2022, 20:51

General

  • Target

    759f3bdd47d4b28a72ac9a52e3b6cca8229b17b5b2539e4af9409c9d5745933c.exe

  • Size

    148KB

  • MD5

    0cef0cf6242749bf7ab2cbd76348932f

  • SHA1

    9cbf3ff12530132a306ece1e38d77dea5e965558

  • SHA256

    759f3bdd47d4b28a72ac9a52e3b6cca8229b17b5b2539e4af9409c9d5745933c

  • SHA512

    0164db85bbaa70986a61f90a31f487cc5252e244347396a7cbbaeaa8f119caabce51eade3cc8f52b90c4edc7969028e54253c9b3322f204a9e5a6a8c61c4a870

  • SSDEEP

    3072:6SeWqFzxgwMylAUR6UQUcJPPB5RPXsS+t9jiC4oQZiE4P:6dFzxgZVU49xEtlzWq

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 53 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\759f3bdd47d4b28a72ac9a52e3b6cca8229b17b5b2539e4af9409c9d5745933c.exe
    "C:\Users\Admin\AppData\Local\Temp\759f3bdd47d4b28a72ac9a52e3b6cca8229b17b5b2539e4af9409c9d5745933c.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Users\Admin\hfhoaf.exe
      "C:\Users\Admin\hfhoaf.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1604

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\hfhoaf.exe

    Filesize

    148KB

    MD5

    f63a16c81a306544976d66f7913adbb2

    SHA1

    286f3585f9d1c17f256d2b9ef26cb5d776e131de

    SHA256

    f4c21e3187600e39c2cab57c16c73c0a4341ffd84120c1ae5ea3fb9be016de34

    SHA512

    5cdc4d4a17fb7da02360c48c65fd60808084895f15b9cf821d6f77b41b8bd7fd74acefbb06f3aa089f2e3cf19d405351e8befcb622473f6a9ed9d5b625a370b8

  • C:\Users\Admin\hfhoaf.exe

    Filesize

    148KB

    MD5

    f63a16c81a306544976d66f7913adbb2

    SHA1

    286f3585f9d1c17f256d2b9ef26cb5d776e131de

    SHA256

    f4c21e3187600e39c2cab57c16c73c0a4341ffd84120c1ae5ea3fb9be016de34

    SHA512

    5cdc4d4a17fb7da02360c48c65fd60808084895f15b9cf821d6f77b41b8bd7fd74acefbb06f3aa089f2e3cf19d405351e8befcb622473f6a9ed9d5b625a370b8

  • \Users\Admin\hfhoaf.exe

    Filesize

    148KB

    MD5

    f63a16c81a306544976d66f7913adbb2

    SHA1

    286f3585f9d1c17f256d2b9ef26cb5d776e131de

    SHA256

    f4c21e3187600e39c2cab57c16c73c0a4341ffd84120c1ae5ea3fb9be016de34

    SHA512

    5cdc4d4a17fb7da02360c48c65fd60808084895f15b9cf821d6f77b41b8bd7fd74acefbb06f3aa089f2e3cf19d405351e8befcb622473f6a9ed9d5b625a370b8

  • \Users\Admin\hfhoaf.exe

    Filesize

    148KB

    MD5

    f63a16c81a306544976d66f7913adbb2

    SHA1

    286f3585f9d1c17f256d2b9ef26cb5d776e131de

    SHA256

    f4c21e3187600e39c2cab57c16c73c0a4341ffd84120c1ae5ea3fb9be016de34

    SHA512

    5cdc4d4a17fb7da02360c48c65fd60808084895f15b9cf821d6f77b41b8bd7fd74acefbb06f3aa089f2e3cf19d405351e8befcb622473f6a9ed9d5b625a370b8

  • memory/1724-56-0x00000000751A1000-0x00000000751A3000-memory.dmp

    Filesize

    8KB