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Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/02/2024, 07:03

General

  • Target

    88dec62330d975d6d91a031ac5933768.exe

  • Size

    88KB

  • MD5

    88dec62330d975d6d91a031ac5933768

  • SHA1

    71844309956a65e7d0065253bf1ae0d28104c303

  • SHA256

    d48283abdd98ec1309c77f1bc7b6e4fb809e4aee822fcf850c644c1f3738924f

  • SHA512

    cbdf7f2db7a6c6a4fdbf2684a4f20656c481c331c5775bea2a7d66d4086d9827ce08c54b2f742f84e01c269f9179c93915c38995ea6ceadf2c326ad57c2c2230

  • SSDEEP

    1536:MocTCULyBgrLswwWGaWbWbobSbVbBbvJ1SmHZx9k1nKw7N8za:9cTCU1rv51Iq+

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\88dec62330d975d6d91a031ac5933768.exe
    "C:\Users\Admin\AppData\Local\Temp\88dec62330d975d6d91a031ac5933768.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4068
    • C:\Users\Admin\jauupu.exe
      "C:\Users\Admin\jauupu.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:4236

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\jauupu.exe

    Filesize

    88KB

    MD5

    d9453507c40798c967727f8df0262888

    SHA1

    f993205f38e559cbef5e74e4af9129a31f2dee07

    SHA256

    e70b0951a1fa6427f4db66b4c38fe08329909a6d4f3eb672ff438c4fae79138e

    SHA512

    9b28448f2e6a021f490df00f0c8acc8e611bfef46ca8c430faacc8cb29ad251ec68a62d7b85a8e2d7d68c2202efb58d9fb372dcf892828c9caacfaecc5a1bcae