Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/06/2024, 02:20

General

  • Target
    2ef93f880a994758c4d533c37a5dbe07b6cad4ac9a2c0d007e9e49ec4652877d_NeikiAnalytics.exe
  • Size 114KB
  • Sample240621-csvp2swcmf
  • SHA256 2ef93f880a994758c4d533c37a5dbe07b6cad4ac9a2c0d007e9e49ec4652877d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • njrat

Version
  • 0.7d

Botnet
  • neuf

C2
  • doddyfire.linkpc.net:10000

Mutex
  • e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

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.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 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.

  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2ef93f880a994758c4d533c37a5dbe07b6cad4ac9a2c0d007e9e49ec4652877d_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\2ef93f880a994758c4d533c37a5dbe07b6cad4ac9a2c0d007e9e49ec4652877d_NeikiAnalytics.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4472
    • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
      "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2796
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:892
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:2148
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4036 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1700

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          chargeable.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log
          • Size 400B
          • SHA256 c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd
          • MD5 SHA1 SHA512

          chargeable.exe

          • Path C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
          • Size 114KB
          • SHA256 bfde9c1e6d021f5d3272487f67adf0e6a29f2437a4c83b81e8ad2923bd114f7d
          • MD5 SHA1 SHA512 SSDEEP

          memory/892-21-0x0000000000400000-0x000000000040C000-memory.dmp

          memory/892-29-0x0000000074FB0000-0x0000000075561000-memory.dmp

          memory/892-28-0x0000000074FB0000-0x0000000075561000-memory.dmp

          memory/892-27-0x0000000074FB0000-0x0000000075561000-memory.dmp

          memory/892-26-0x0000000074FB0000-0x0000000075561000-memory.dmp

          memory/2796-18-0x0000000074FB0000-0x0000000075561000-memory.dmp

          memory/2796-25-0x0000000074FB0000-0x0000000075561000-memory.dmp

          memory/4472-20-0x0000000074FB0000-0x0000000075561000-memory.dmp

          memory/4472-0-0x0000000074FB2000-0x0000000074FB3000-memory.dmp

          memory/4472-7-0x0000000074FB0000-0x0000000075561000-memory.dmp

          memory/4472-6-0x0000000074FB2000-0x0000000074FB3000-memory.dmp

          memory/4472-2-0x0000000074FB0000-0x0000000075561000-memory.dmp

          memory/4472-1-0x0000000074FB0000-0x0000000075561000-memory.dmp