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Analysis

  • max time kernel
    154s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/04/2024, 18:24

General

  • Target

    0925890f14697a757a7cb10864e4f570a7fedfd0fa515f169911fe1c03f15a25.exe

  • Size

    88KB

  • MD5

    807420b999be060c2e0b855543d4670d

  • SHA1

    4d7c19d31e3ee7b8c59fa83bc92506f85b302a1b

  • SHA256

    0925890f14697a757a7cb10864e4f570a7fedfd0fa515f169911fe1c03f15a25

  • SHA512

    37df5bec263647ab73ef0012ef556d71e71d48899da44fa49facba2eeebb4767d98eeadd145385f318be0c0d97cb0705b9e51acc0198179e1d79b8ee9429c93b

  • SSDEEP

    768:vAk68qOJ+TtBfPwHpFeh6gM1rA8dOsc7jUq4RkA5o3K1DfsvtzsXjLft+9o1mm:vAkHqlZGLFjnAzA5o6BfItoXjLl0hm

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\0925890f14697a757a7cb10864e4f570a7fedfd0fa515f169911fe1c03f15a25.exe
    "C:\Users\Admin\AppData\Local\Temp\0925890f14697a757a7cb10864e4f570a7fedfd0fa515f169911fe1c03f15a25.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:4996
    • C:\Users\Admin\ybxaq.exe
      "C:\Users\Admin\ybxaq.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:968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\ybxaq.exe

    Filesize

    88KB

    MD5

    1c6e3e91f450c28b45b5b1613a1b16d0

    SHA1

    6240dc92e150e5256e1cd31fe76be6ac6a35380d

    SHA256

    543cbaf708b78ee76920ffce7909d56b35c00d4a2eece8ac381a02280d795a29

    SHA512

    53cd1b4942a1c97b17e66583475f50e35507ecf64421541960098f18b964383e95ac3e66d5a6ab7c8c1694d14bcd941f5b5c7b48e49d5375ef363d0f31240914