Analysis

  • max time kernel
    141s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    12-11-2023 03:55

General

  • Target

    tmp.exe

  • Size

    1.4MB

  • MD5

    c8ab62607200e5651d504b5a2df1b9db

  • SHA1

    e3903f250f5db3cecea59640fddef71b990691a2

  • SHA256

    3981bd1d992c04c8e5ef133aca900b3983493a2b97a8b7f11ad7c9f46f6b244a

  • SHA512

    b488d515ad1e04da4a75f332bd4d4cce858d06c73f18f864d0d027d86bf66fc1c79b76bdc06abf2661435cf25ac9e8f3d41ed936ef97411f5d761a16a8ffe9ba

  • SSDEEP

    24576:4qcNYC9gJLw2ioTa+sJPq1kbMRlZ1Nd6gznqbqScWR8oHz0Dx/lzVCzTNgo6NoZI:4qUYCL2ioTa+sakoRlZggzqeSXRNOzVj

Malware Config

Signatures

  • UPX packed file 10 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:2968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2968-0-0x0000000000400000-0x000000000079B000-memory.dmp

    Filesize

    3.6MB

  • memory/2968-17-0x0000000000400000-0x000000000079B000-memory.dmp

    Filesize

    3.6MB

  • memory/2968-20-0x0000000000400000-0x000000000079B000-memory.dmp

    Filesize

    3.6MB

  • memory/2968-21-0x0000000000400000-0x000000000079B000-memory.dmp

    Filesize

    3.6MB

  • memory/2968-22-0x0000000000400000-0x000000000079B000-memory.dmp

    Filesize

    3.6MB

  • memory/2968-23-0x0000000000400000-0x000000000079B000-memory.dmp

    Filesize

    3.6MB

  • memory/2968-26-0x0000000000400000-0x000000000079B000-memory.dmp

    Filesize

    3.6MB

  • memory/2968-27-0x0000000000400000-0x000000000079B000-memory.dmp

    Filesize

    3.6MB

  • memory/2968-28-0x0000000000400000-0x000000000079B000-memory.dmp

    Filesize

    3.6MB

  • memory/2968-29-0x0000000000400000-0x000000000079B000-memory.dmp

    Filesize

    3.6MB