Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-10-2024 23:56

General

  • Target

    35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778N.exe

  • Size

    31KB

  • MD5

    d81a5a206c0f6da1a9df209699f20790

  • SHA1

    b3a9d3cb284083a8d3987eae5b3b69211009f7c0

  • SHA256

    35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778

  • SHA512

    960893ae3f482b3d868e35cb39e5f8c5e0c9f2a11155b155c0e49e6d708c5edf85f6154a718d083c82a94dd192ab1d128f0859e13d60e70af434dcaf3fe31f9f

  • SSDEEP

    768:NLA5LgJZLrGzxhucORKqnzhvv6DQmIDUu0tiawj:8UKAxRYQVkKj

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\35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778N.exe
    "C:\Users\Admin\AppData\Local\Temp\35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1472
    • C:\Users\Admin\AppData\Roaming\Svchost.exe
      "C:\Users\Admin\AppData\Roaming\Svchost.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:3832
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Svchost.exe" "Svchost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Svchost.exe

    Filesize

    31KB

    MD5

    d81a5a206c0f6da1a9df209699f20790

    SHA1

    b3a9d3cb284083a8d3987eae5b3b69211009f7c0

    SHA256

    35b25e8a599fc857bf044d6c44815135d338597237215ae0c33d573557e0e778

    SHA512

    960893ae3f482b3d868e35cb39e5f8c5e0c9f2a11155b155c0e49e6d708c5edf85f6154a718d083c82a94dd192ab1d128f0859e13d60e70af434dcaf3fe31f9f

  • memory/1472-0-0x0000000074DE2000-0x0000000074DE3000-memory.dmp

    Filesize

    4KB

  • memory/1472-1-0x0000000074DE0000-0x0000000075391000-memory.dmp

    Filesize

    5.7MB

  • memory/1472-2-0x0000000074DE0000-0x0000000075391000-memory.dmp

    Filesize

    5.7MB

  • memory/1472-13-0x0000000074DE0000-0x0000000075391000-memory.dmp

    Filesize

    5.7MB

  • memory/3832-12-0x0000000074DE0000-0x0000000075391000-memory.dmp

    Filesize

    5.7MB

  • memory/3832-14-0x0000000074DE0000-0x0000000075391000-memory.dmp

    Filesize

    5.7MB

  • memory/3832-16-0x0000000074DE0000-0x0000000075391000-memory.dmp

    Filesize

    5.7MB

  • memory/3832-17-0x0000000074DE0000-0x0000000075391000-memory.dmp

    Filesize

    5.7MB