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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
    20/01/2024, 20:56

General

  • Target

    9DF2B193396F5BE4C1636B0619362EC6.exe

  • Size

    23KB

  • MD5

    9df2b193396f5be4c1636b0619362ec6

  • SHA1

    91803a123fa7ceb1359c797a98632208bc4597d9

  • SHA256

    bc77b4592acc8dc3708179fd8719405271052addb074c04db57f0f1699e77708

  • SHA512

    bf81c77d2c5528a835721d3d70dabf030a37573dc8c5a1b4cb9a1b714bd66fde4e279881f8783d765c60d6cc279406d0ab7af9028974f2a750088e01bafdd578

  • SSDEEP

    384:qY324bcgPiJLQrfARGSRUJsbY6ZgvSMBD3t8mRvR6JZlbw8hqIusZzZb/xP:9L2s+tRyRpcnuQJP

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9DF2B193396F5BE4C1636B0619362EC6.exe
    "C:\Users\Admin\AppData\Local\Temp\9DF2B193396F5BE4C1636B0619362EC6.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\Users\Admin\AppData\Local\Temp\tst.exe
      "C:\Users\Admin\AppData\Local\Temp\tst.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5064
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\tst.exe" "tst.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:4732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tst.exe

    Filesize

    23KB

    MD5

    9df2b193396f5be4c1636b0619362ec6

    SHA1

    91803a123fa7ceb1359c797a98632208bc4597d9

    SHA256

    bc77b4592acc8dc3708179fd8719405271052addb074c04db57f0f1699e77708

    SHA512

    bf81c77d2c5528a835721d3d70dabf030a37573dc8c5a1b4cb9a1b714bd66fde4e279881f8783d765c60d6cc279406d0ab7af9028974f2a750088e01bafdd578

  • memory/2388-0-0x00000000745E0000-0x0000000074B91000-memory.dmp

    Filesize

    5.7MB

  • memory/2388-1-0x0000000001280000-0x0000000001290000-memory.dmp

    Filesize

    64KB

  • memory/2388-2-0x00000000745E0000-0x0000000074B91000-memory.dmp

    Filesize

    5.7MB

  • memory/2388-12-0x00000000745E0000-0x0000000074B91000-memory.dmp

    Filesize

    5.7MB

  • memory/5064-13-0x00000000745E0000-0x0000000074B91000-memory.dmp

    Filesize

    5.7MB

  • memory/5064-14-0x00000000745E0000-0x0000000074B91000-memory.dmp

    Filesize

    5.7MB

  • memory/5064-15-0x0000000000AF0000-0x0000000000B00000-memory.dmp

    Filesize

    64KB

  • memory/5064-17-0x00000000745E0000-0x0000000074B91000-memory.dmp

    Filesize

    5.7MB

  • memory/5064-18-0x0000000000AF0000-0x0000000000B00000-memory.dmp

    Filesize

    64KB