Analysis

  • max time kernel
    150s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/12/2024, 17:25

General

  • Target

    celex.exe

  • Size

    55KB

  • MD5

    059fd4cebd6fa3272a145fc6ef42f5f9

  • SHA1

    064b17bfc80151c060e2c2863390bcf7af90a467

  • SHA256

    5437080e89ca02f2de4f23eb66533155888bdbf257612326194f6de85a28b524

  • SHA512

    4c323cdcd21c10451f5345eeb40ac1b3ccafb80180d46bfc1e85bf40747d45481e649efafd9a01d79e8099cd1b65fba2138919ee9be282f94ecb4d0df2bcec79

  • SSDEEP

    1536:sEYADn8fLN2/SbJtDDcwsNMDpXExI3pmmm:+ADnccqbXDDcwsNMDpXExI3pm

Malware Config

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\celex.exe
    "C:\Users\Admin\AppData\Local\Temp\celex.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1800
    • C:\Windows\SysWOW64\attrib.exe
      attrib +h "C:\Users\Admin\AppData\Local\Temp\celex.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:2400

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1800-0-0x00000000748B1000-0x00000000748B2000-memory.dmp

    Filesize

    4KB

  • memory/1800-1-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1800-2-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1800-4-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1800-5-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1800-6-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1800-7-0x00000000748B0000-0x0000000074E5B000-memory.dmp

    Filesize

    5.7MB