Analysis

  • max time kernel
    105s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2022 17:51

General

  • Target

    9285406d37264fb33c72f890db4dc56e2c20525902142a28536682da10859c51.exe

  • Size

    60KB

  • MD5

    6ba94478847a34406ada28276bc704b0

  • SHA1

    cf8c881ad9108d56978ca26cfcf19a1ce2b8b6ef

  • SHA256

    9285406d37264fb33c72f890db4dc56e2c20525902142a28536682da10859c51

  • SHA512

    0ea503d1bf37559ff743043e15b67cdf8eb6e680ab831adf7d8d50e688c242dec5f522ac1c72417458d73a252601353b94c7b04144af3c86f4b98a8e294fcd56

  • SSDEEP

    1536:iOh4i9aUSoCRM03V/wjJOuhu1nnthtPSmzJ+VwNK:iOh4i9XSoKM03Vo9enp8VwM

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9285406d37264fb33c72f890db4dc56e2c20525902142a28536682da10859c51.exe
    "C:\Users\Admin\AppData\Local\Temp\9285406d37264fb33c72f890db4dc56e2c20525902142a28536682da10859c51.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\9285406d37264fb33c72f890db4dc56e2c20525902142a28536682da10859c51.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1880
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1048

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\9285406d37264fb33c72f890db4dc56e2c20525902142a28536682da10859c51.rtf

      Filesize

      8KB

      MD5

      04bc133c2a81a268377bf81f7cb2169e

      SHA1

      844ab74c37eb21750286da96662def7c9c27cf85

      SHA256

      25d7b91f46e2cb4c6812987fa4cc44940422ab33318cac050b6bf9ea5616d417

      SHA512

      baf70945dda68c46b566d47ec65bea4b6e3744df70c31b1bbff8b021aeef9e376b19f18e85b10ab82f75f99ceb9acf78fc191eab4d99c63f8c5f8d73529415f8

    • memory/1048-65-0x000007FEFC2F1000-0x000007FEFC2F3000-memory.dmp

      Filesize

      8KB

    • memory/1048-64-0x0000000000000000-mapping.dmp

    • memory/1880-57-0x0000000072DE1000-0x0000000072DE4000-memory.dmp

      Filesize

      12KB

    • memory/1880-58-0x0000000070861000-0x0000000070863000-memory.dmp

      Filesize

      8KB

    • memory/1880-59-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1880-61-0x000000007184D000-0x0000000071858000-memory.dmp

      Filesize

      44KB

    • memory/1880-63-0x000000007184D000-0x0000000071858000-memory.dmp

      Filesize

      44KB

    • memory/1880-56-0x0000000000000000-mapping.dmp

    • memory/1880-66-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1880-67-0x000000007184D000-0x0000000071858000-memory.dmp

      Filesize

      44KB

    • memory/2032-54-0x0000000075A71000-0x0000000075A73000-memory.dmp

      Filesize

      8KB

    • memory/2032-55-0x0000000000400000-0x0000000000411000-memory.dmp

      Filesize

      68KB