Analysis

  • max time kernel
    194s
  • max time network
    198s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 00:19

General

  • Target

    7feacb80f2589cfebb58bb6a16bd1894fce433c8ca6105506722280bfa30ed06.exe

  • Size

    200KB

  • MD5

    35e3611a32193bd0811ca468291bdc20

  • SHA1

    89d4e5d7ade0318acf1c6c2926550a0f7138cb6f

  • SHA256

    7feacb80f2589cfebb58bb6a16bd1894fce433c8ca6105506722280bfa30ed06

  • SHA512

    9d669405d2897cc36bc094d4dcbfd64c8ae5ce11193ba0e4e3180098e9b9de5b21a2fb24ec1e0d5e7d98221927efbb9575f886832589860172d04ac2c296082f

  • SSDEEP

    3072:h39SBZ8jprujIivwslnsn9+JuJbfoL2wVHTZhQTWVyc+LpfJQlKTQC4hk:19Shvwslnsn9+JuJbfoL2wVH9eI+NJWG

Score
10/10

Malware Config

Signatures

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

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

  • Adds Run key to start application 2 TTPs 54 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\7feacb80f2589cfebb58bb6a16bd1894fce433c8ca6105506722280bfa30ed06.exe
    "C:\Users\Admin\AppData\Local\Temp\7feacb80f2589cfebb58bb6a16bd1894fce433c8ca6105506722280bfa30ed06.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:3972
    • C:\Users\Admin\rijoz.exe
      "C:\Users\Admin\rijoz.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:4900

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\rijoz.exe

    Filesize

    200KB

    MD5

    2758ce603a397d9a3f8864a3f34ac331

    SHA1

    a2c337a0cc27108446110f65ea41633f2aadd2ff

    SHA256

    1c1712a12772ca5b138f6515249aa704b0b801da31b23e6358b644df5acce1f0

    SHA512

    2ec1109dd5f164c2e3d39bbabcac74504ef10260f6cf8520b85a6aae8402c460576ee19a65bfd85aeea020611109e501dee9f21d8784ed706a5ce98f7d82bcc0

  • C:\Users\Admin\rijoz.exe

    Filesize

    200KB

    MD5

    2758ce603a397d9a3f8864a3f34ac331

    SHA1

    a2c337a0cc27108446110f65ea41633f2aadd2ff

    SHA256

    1c1712a12772ca5b138f6515249aa704b0b801da31b23e6358b644df5acce1f0

    SHA512

    2ec1109dd5f164c2e3d39bbabcac74504ef10260f6cf8520b85a6aae8402c460576ee19a65bfd85aeea020611109e501dee9f21d8784ed706a5ce98f7d82bcc0

  • memory/4900-134-0x0000000000000000-mapping.dmp