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Analysis

  • max time kernel
    146s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2023, 13:38

General

  • Target

    3855befe3f2d76bb89bb114d3487f315.exe

  • Size

    392KB

  • MD5

    3855befe3f2d76bb89bb114d3487f315

  • SHA1

    ae7b715a01a44eefa687af21c19c242ad7664c8b

  • SHA256

    5dbcbc83e1bbf693ab1cf7e15833c90b3e3bf147e200151f57f54e47e093c36a

  • SHA512

    b1f4dc1298c7911248e7662ec1b11a3d4be07b6e35bce3d67506af45d460b9cc9cc8cedaf97bf702cfa3e4d49377690a124f175a410da78a4cfb5e5ddc8985e7

  • SSDEEP

    6144:k5F2mGp9VUwTZtX02giP9YoRRQGb8gJCPankzjzVjyTVyS9m1D4GTkkBuw:/jmwTZSihRQwJCi4zVWThBwkjw

Malware Config

Signatures

  • Windows security bypass 2 TTPs 10 IoCs
  • Disables taskbar notifications via registry modification
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3855befe3f2d76bb89bb114d3487f315.exe
    "C:\Users\Admin\AppData\Local\Temp\3855befe3f2d76bb89bb114d3487f315.exe"
    1⤵
    • Windows security bypass
    • Loads dropped DLL
    • Windows security modification
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2328
    • C:\ProgramData\043A6AEB00014973000C4779B4EB2331\043A6AEB00014973000C4779B4EB2331.exe
      "C:\ProgramData\043A6AEB00014973000C4779B4EB2331\043A6AEB00014973000C4779B4EB2331.exe" "C:\Users\Admin\AppData\Local\Temp\3855befe3f2d76bb89bb114d3487f315.exe"
      2⤵
      • Windows security bypass
      • Deletes itself
      • Executes dropped EXE
      • Windows security modification
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2828

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \ProgramData\043A6AEB00014973000C4779B4EB2331\043A6AEB00014973000C4779B4EB2331.exe

    Filesize

    392KB

    MD5

    3855befe3f2d76bb89bb114d3487f315

    SHA1

    ae7b715a01a44eefa687af21c19c242ad7664c8b

    SHA256

    5dbcbc83e1bbf693ab1cf7e15833c90b3e3bf147e200151f57f54e47e093c36a

    SHA512

    b1f4dc1298c7911248e7662ec1b11a3d4be07b6e35bce3d67506af45d460b9cc9cc8cedaf97bf702cfa3e4d49377690a124f175a410da78a4cfb5e5ddc8985e7

  • memory/2328-27-0x0000000000410000-0x00000000004D8000-memory.dmp

    Filesize

    800KB

  • memory/2328-0-0x00000000003A0000-0x00000000003A1000-memory.dmp

    Filesize

    4KB

  • memory/2328-2-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2328-4-0x0000000000410000-0x00000000004D8000-memory.dmp

    Filesize

    800KB

  • memory/2328-5-0x0000000000410000-0x00000000004D8000-memory.dmp

    Filesize

    800KB

  • memory/2328-6-0x0000000000410000-0x00000000004D8000-memory.dmp

    Filesize

    800KB

  • memory/2328-7-0x0000000000240000-0x0000000000242000-memory.dmp

    Filesize

    8KB

  • memory/2328-37-0x0000000000410000-0x00000000004D8000-memory.dmp

    Filesize

    800KB

  • memory/2328-28-0x00000000003A0000-0x00000000003A1000-memory.dmp

    Filesize

    4KB

  • memory/2328-1-0x0000000000410000-0x00000000004D8000-memory.dmp

    Filesize

    800KB

  • memory/2828-21-0x0000000000410000-0x00000000004D8000-memory.dmp

    Filesize

    800KB

  • memory/2828-22-0x0000000000410000-0x00000000004D8000-memory.dmp

    Filesize

    800KB

  • memory/2828-23-0x0000000000360000-0x0000000000362000-memory.dmp

    Filesize

    8KB

  • memory/2828-18-0x0000000000410000-0x00000000004D8000-memory.dmp

    Filesize

    800KB

  • memory/2828-29-0x0000000000410000-0x00000000004D8000-memory.dmp

    Filesize

    800KB

  • memory/2828-30-0x00000000005A0000-0x00000000005A1000-memory.dmp

    Filesize

    4KB

  • memory/2828-16-0x00000000005A0000-0x00000000005A1000-memory.dmp

    Filesize

    4KB

  • memory/2828-40-0x0000000000410000-0x00000000004D8000-memory.dmp

    Filesize

    800KB

  • memory/2828-41-0x0000000000410000-0x00000000004D8000-memory.dmp

    Filesize

    800KB

  • memory/2828-46-0x0000000000410000-0x00000000004D8000-memory.dmp

    Filesize

    800KB