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Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 22:20

General

  • Target

    3fb01b99289afbb69f94fb5d7895cd44.exe

  • Size

    48KB

  • MD5

    3fb01b99289afbb69f94fb5d7895cd44

  • SHA1

    d43882830dc42599c284ffb24d10a88419b793a9

  • SHA256

    c6eed847f0d3522fbcdfbbc4a7806e6943d9a3fbb3e1cfeb95bd0d87eb776145

  • SHA512

    133b1eddf081d66894c4a4a1603a80e8808ecbe31e8953a1208d5c03309ebaa979b11a06874d8dd06f18f2deb26dfd66a6d5eadc7680a7128bbdd8b1015c6e61

  • SSDEEP

    768:to4IuGXkKB/eln6kH2rZc+Ed8k/UM8LWIUFuITZe7E9QFpoINPz87:XGXkKFekLZk/UzLWIUt8I9YSINPK

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3fb01b99289afbb69f94fb5d7895cd44.exe
    "C:\Users\Admin\AppData\Local\Temp\3fb01b99289afbb69f94fb5d7895cd44.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3988
    • C:\Users\Admin\AppData\Local\Temp\3fb01b99289afbb69f94fb5d7895cd44.exe
      C:\Users\Admin\AppData\Local\Temp\3fb01b99289afbb69f94fb5d7895cd44.exe
      2⤵
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      PID:3580
  • C:\Windows\live.messenger.com
    C:\Windows\live.messenger.com
    1⤵
    • Executes dropped EXE
    • Drops file in Windows directory
    PID:1864
  • C:\Windows\live.messenger.com
    "C:\Windows\live.messenger.com"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3324

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\live.messenger.com

    Filesize

    48KB

    MD5

    3fb01b99289afbb69f94fb5d7895cd44

    SHA1

    d43882830dc42599c284ffb24d10a88419b793a9

    SHA256

    c6eed847f0d3522fbcdfbbc4a7806e6943d9a3fbb3e1cfeb95bd0d87eb776145

    SHA512

    133b1eddf081d66894c4a4a1603a80e8808ecbe31e8953a1208d5c03309ebaa979b11a06874d8dd06f18f2deb26dfd66a6d5eadc7680a7128bbdd8b1015c6e61

  • memory/1864-28-0x0000000000400000-0x000000000044AE6C-memory.dmp

    Filesize

    299KB

  • memory/1864-30-0x0000000000400000-0x000000000044AE6C-memory.dmp

    Filesize

    299KB

  • memory/1864-18-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1864-17-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1864-35-0x0000000000400000-0x000000000044AE6C-memory.dmp

    Filesize

    299KB

  • memory/1864-34-0x0000000000400000-0x000000000044AE6C-memory.dmp

    Filesize

    299KB

  • memory/1864-33-0x0000000000400000-0x000000000044AE6C-memory.dmp

    Filesize

    299KB

  • memory/1864-21-0x0000000000400000-0x000000000044AE6C-memory.dmp

    Filesize

    299KB

  • memory/1864-22-0x0000000000400000-0x000000000044AE6C-memory.dmp

    Filesize

    299KB

  • memory/1864-26-0x0000000000400000-0x000000000044AE6C-memory.dmp

    Filesize

    299KB

  • memory/1864-32-0x0000000000400000-0x000000000044AE6C-memory.dmp

    Filesize

    299KB

  • memory/1864-25-0x0000000000400000-0x000000000044AE6C-memory.dmp

    Filesize

    299KB

  • memory/1864-23-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1864-27-0x0000000000400000-0x000000000044AE6C-memory.dmp

    Filesize

    299KB

  • memory/1864-31-0x0000000000400000-0x000000000044AE6C-memory.dmp

    Filesize

    299KB

  • memory/1864-29-0x0000000000400000-0x000000000044AE6C-memory.dmp

    Filesize

    299KB

  • memory/1864-24-0x0000000000400000-0x000000000044AE6C-memory.dmp

    Filesize

    299KB

  • memory/3580-5-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/3580-4-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/3580-2-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/3580-19-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/3580-20-0x0000000000400000-0x000000000044AE6C-memory.dmp

    Filesize

    299KB