Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-04-2024 05:20

General

  • Target

    f7754181967c56864c6dc02c49cac8e963097e88108a116a4deb330a43b7cfac.exe

  • Size

    172KB

  • MD5

    cca214ae774b9a98ac3e28fdb91df3ea

  • SHA1

    5ea3776425284cd021f5ee70965955ad3950342d

  • SHA256

    f7754181967c56864c6dc02c49cac8e963097e88108a116a4deb330a43b7cfac

  • SHA512

    41f71b7623325b9c1825490e8d7bbc56b874036031e18b97c4954698c5a80d32d16da1735a44cc13c45210a1626b02a323a36befbe2531b62d669905462ae236

  • SSDEEP

    3072:xCqPc8+4xLKGPQb6pLnq1AbpaMAePjT9273c0Iy8onzK98:ltxLKGPQbWqliF27MHsKq

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 27 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f7754181967c56864c6dc02c49cac8e963097e88108a116a4deb330a43b7cfac.exe
    "C:\Users\Admin\AppData\Local\Temp\f7754181967c56864c6dc02c49cac8e963097e88108a116a4deb330a43b7cfac.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4572
    • C:\Users\Admin\coiuno.exe
      "C:\Users\Admin\coiuno.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:3496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\coiuno.exe

    Filesize

    172KB

    MD5

    945b0b759b97b608fe778ce980f9c218

    SHA1

    e8849a9f46437dc1bce6cd6b069114af87e6ce46

    SHA256

    b01b8f54b57b7500409c179a6fcc9e48d4fafeb412527b14b145c9e7d456a0ca

    SHA512

    6e68b867c2d2b5ee39bf036d1d7c28ae33ce7cc685c4a000e9465955ad03d858972d0b0d4154e6b15e809b6ad6606658eb12240e123a79f76167e385b54f9105

  • memory/3496-34-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3496-38-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4572-0-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4572-37-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB