Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 03:11

General

  • Target

    68ea9901913dcf4a5e41d1c25f98ad33032d3649d4496b71df6bf0935d9ac5e7.exe

  • Size

    23KB

  • MD5

    cb5828ff44cabf7101a23e21c11b972b

  • SHA1

    80f5fe5f16d85c8bcf6ad004c79bb8de2504273c

  • SHA256

    68ea9901913dcf4a5e41d1c25f98ad33032d3649d4496b71df6bf0935d9ac5e7

  • SHA512

    594226a3db27fae1c87ca8fd123975f0be280da5351d86945c923b9fdc8e3362beafb7c801e02212bdbd5ca30948da9edc0e625c9d1c4b1c1a834b6a78f4b460

  • SSDEEP

    384:boWSkWHa55BgDVRGipkItzY6FZg36Eh7FpmRvR6JZlbw8hqIusZzZAy:0Juk9ptRpcnuQ

Malware Config

Signatures

  • Njrat family
  • 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\68ea9901913dcf4a5e41d1c25f98ad33032d3649d4496b71df6bf0935d9ac5e7.exe
    "C:\Users\Admin\AppData\Local\Temp\68ea9901913dcf4a5e41d1c25f98ad33032d3649d4496b71df6bf0935d9ac5e7.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4948
    • C:\Users\Admin\server.exe
      "C:\Users\Admin\server.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:3452
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\server.exe

    Filesize

    23KB

    MD5

    cb5828ff44cabf7101a23e21c11b972b

    SHA1

    80f5fe5f16d85c8bcf6ad004c79bb8de2504273c

    SHA256

    68ea9901913dcf4a5e41d1c25f98ad33032d3649d4496b71df6bf0935d9ac5e7

    SHA512

    594226a3db27fae1c87ca8fd123975f0be280da5351d86945c923b9fdc8e3362beafb7c801e02212bdbd5ca30948da9edc0e625c9d1c4b1c1a834b6a78f4b460

  • memory/3452-22-0x0000000075240000-0x00000000757F1000-memory.dmp

    Filesize

    5.7MB

  • memory/3452-23-0x0000000075240000-0x00000000757F1000-memory.dmp

    Filesize

    5.7MB

  • memory/3452-25-0x0000000075240000-0x00000000757F1000-memory.dmp

    Filesize

    5.7MB

  • memory/4948-0-0x0000000075242000-0x0000000075243000-memory.dmp

    Filesize

    4KB

  • memory/4948-1-0x0000000075240000-0x00000000757F1000-memory.dmp

    Filesize

    5.7MB

  • memory/4948-2-0x0000000075240000-0x00000000757F1000-memory.dmp

    Filesize

    5.7MB

  • memory/4948-21-0x0000000075240000-0x00000000757F1000-memory.dmp

    Filesize

    5.7MB