Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    03-02-2024 02:22

General

  • Target

    8b25dca22f63f9af528632edd0dfbb22.exe

  • Size

    100KB

  • MD5

    8b25dca22f63f9af528632edd0dfbb22

  • SHA1

    36108fab39c85ecf6b88bb28fa1029a56605fc86

  • SHA256

    50aeaca6a9f2e8fac005297f940abe837af8bbba501ef7411899b7b186ef36c2

  • SHA512

    0c5a3a34ce133349bc3b4a755cd181db9b8fe662d6a99119dc194b643623873c0209de0a9657196541b850a973bc292a6cbebdc20a7443d5b13d4498ce46cc7b

  • SSDEEP

    1536:oRtGMBU82NTzwtMGAc4ohrPXo+73Rez8b0SyKNIjnZrJ:8SwEurPX7CKCnlJ

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 52 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b25dca22f63f9af528632edd0dfbb22.exe
    "C:\Users\Admin\AppData\Local\Temp\8b25dca22f63f9af528632edd0dfbb22.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Users\Admin\liopuut.exe
      "C:\Users\Admin\liopuut.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:2620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\liopuut.exe

    Filesize

    100KB

    MD5

    efecf3d4b63a95aba09dc5058be1caf6

    SHA1

    da7e2c7eca1c1df0953ed0040998ff3d2f21a2ca

    SHA256

    93e88a77307b7b8b648e3bc84a9b302e1a33c10f3813227bc9482a4fc25708d9

    SHA512

    a4f391e27e54b6d77387fb708ed681b0cd7f11c828381d65a5cfb2ecd31ef4327deb0045e8efe63f068e1b241127d4e45cf4cdefb215c47dd04c0b64a14017fe