Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-10-2024 22:06

General

  • Target

    9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5N.exe

  • Size

    33KB

  • MD5

    89b59f712fc271a7ea93d447a3cc93c0

  • SHA1

    44781d6057f7165508fd2127e9bee36622fc1586

  • SHA256

    9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5

  • SHA512

    91f08e0a11a44d0085ce2aa7eda8cb556510032ab2c2a61a6834e629dde973271d018add27df0b05f2fd7df0177298711f5caeb8db97d9640e6b93fe1b137ced

  • SSDEEP

    384:A8aY1ia0N/IH+WUiWiLcXyUTly2Rc87po6ngB8W+tqlf5mRvR6JZlbw8hqIusZzo:F1Re/E+WUiW6ci6NR7tZRpcnuUUFP

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 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).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5N.exe
    "C:\Users\Admin\AppData\Local\Temp\9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4476
    • C:\Users\Admin\AppData\Local\Temp\FbSmartChatBoxr.exe
      "C:\Users\Admin\AppData\Local\Temp\FbSmartChatBoxr.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1140
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\FbSmartChatBoxr.exe" "FbSmartChatBoxr.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:1648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    33KB

    MD5

    89b59f712fc271a7ea93d447a3cc93c0

    SHA1

    44781d6057f7165508fd2127e9bee36622fc1586

    SHA256

    9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5

    SHA512

    91f08e0a11a44d0085ce2aa7eda8cb556510032ab2c2a61a6834e629dde973271d018add27df0b05f2fd7df0177298711f5caeb8db97d9640e6b93fe1b137ced

  • memory/1140-12-0x00000000753B0000-0x0000000075961000-memory.dmp

    Filesize

    5.7MB

  • memory/1140-14-0x00000000753B0000-0x0000000075961000-memory.dmp

    Filesize

    5.7MB

  • memory/1140-16-0x00000000753B0000-0x0000000075961000-memory.dmp

    Filesize

    5.7MB

  • memory/4476-0-0x00000000753B2000-0x00000000753B3000-memory.dmp

    Filesize

    4KB

  • memory/4476-1-0x00000000753B0000-0x0000000075961000-memory.dmp

    Filesize

    5.7MB

  • memory/4476-2-0x00000000753B0000-0x0000000075961000-memory.dmp

    Filesize

    5.7MB

  • memory/4476-13-0x00000000753B0000-0x0000000075961000-memory.dmp

    Filesize

    5.7MB