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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/03/2024, 21:49

General

  • Target

    8e7e2d0aaf432de598f202594d01fa57ed15f12389f10cf3f813e9bf7aa3c8ca.exe

  • Size

    204KB

  • MD5

    1e3bca8a0a3c19aa05e66613d0192f5f

  • SHA1

    ff0cbee34f8b833cab98134ebb0ae9bd10eeac78

  • SHA256

    8e7e2d0aaf432de598f202594d01fa57ed15f12389f10cf3f813e9bf7aa3c8ca

  • SHA512

    be1873bfd579b00d4cf8fabe0ef13b01fd6bd8857eca1c70a1c2004c9552586d830e831f68d4e1ca785bbe53acab3020cbfa881aaf43d4b3a985f131fac6e02c

  • SSDEEP

    3072:5mEW8uYH0tQ9nLHbB9W0c1TqECzR/mkSYGrl9ymgYUWVfY:g57w4QxL7B9W0c1RCzR/fSmluQ

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\8e7e2d0aaf432de598f202594d01fa57ed15f12389f10cf3f813e9bf7aa3c8ca.exe
    "C:\Users\Admin\AppData\Local\Temp\8e7e2d0aaf432de598f202594d01fa57ed15f12389f10cf3f813e9bf7aa3c8ca.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:3120
    • C:\Users\Admin\yoaxeun.exe
      "C:\Users\Admin\yoaxeun.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:3356

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\yoaxeun.exe

    Filesize

    204KB

    MD5

    255a53de6a74735bf85be000d65cc1a5

    SHA1

    50ccd3c534a6a2791c480afcc4ef8a46ebe5f492

    SHA256

    5c195be11b59f7da154241ad883c61995c34f62556377a283fb66e019dd485c0

    SHA512

    9be5dad61f615f74018a8414a00096f16b211ee644dfcf601e71a7e0c58859789f875d73ba11da708be808cb1187594816fd9d475c0f5448bfde0d8bad906256