Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/05/2024, 21:39

General

  • Target
    0aa0dd946e722343b08540a7a0cf1c40_NeikiAnalytics.exe
  • Size 5.8MB
  • Sample240528-1ht8jaef45
  • SHA256 8ae39d58cf11900e7c6ddfcfce20c37e6e1820bd81b47787f8d47bab83e986ef
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • njrat

Version
  • im523

Botnet
  • Xbox Game Studios

C2
  • kids-notified.at.ply.gg:3845

Mutex
  • 28025540980d0ce611318033102f9151

Attributes
  • reg_key

    28025540980d0ce611318033102f9151

  • 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.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops autorun.inf file 1 TTPs 5 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0aa0dd946e722343b08540a7a0cf1c40_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\0aa0dd946e722343b08540a7a0cf1c40_NeikiAnalytics.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3008
    • C:\Users\Admin\AppData\Local\Temp\0aa0dd946e722343b08540a7a0cf1c40_NeikiAnalytics.exe
      "C:\Users\Admin\AppData\Local\Temp\0aa0dd946e722343b08540a7a0cf1c40_NeikiAnalytics.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4328
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c echo %temp%
        3⤵
          PID:4520
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\INST.exe
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3032
          • C:\Users\Admin\AppData\Local\Temp\INST.exe
            C:\Users\Admin\AppData\Local\Temp\INST.exe
            4⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:1832
            • C:\Users\Admin\AppData\Roaming\groundedactivator.exe
              "C:\Users\Admin\AppData\Roaming\groundedactivator.exe"
              5⤵
              • Drops startup file
              • Executes dropped EXE
              • Adds Run key to start application
              • Drops autorun.inf file
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:3108
              • C:\Windows\SysWOW64\netsh.exe
                netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\groundedactivator.exe" "groundedactivator.exe" ENABLE
                6⤵
                • Modifies Windows Firewall
                PID:3672
    • 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 --field-trial-handle=4356,i,5047420736443372512,9747851268033796534,262144 --variations-seed-version --mojo-platform-channel-handle=3856 /prefetch:8
      1⤵
        PID:264

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            INST.exe

            • Path C:\Users\Admin\AppData\Local\Temp\INST.exe
            • Size 37KB
            • SHA256 d117884a2b2ccfc147f8c667874feeb70335fb88e6a3d03584083d975c00c83e
            • MD5 SHA1 SHA512 SSDEEP

            VCRUNTIME140.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI30082\VCRUNTIME140.dll
            • Size 95KB
            • SHA256 9d2b40f0395cc5d1b4d5ea17b84970c29971d448c37104676db577586d4ad1b1
            • MD5 SHA1 SHA512 SSDEEP

            base_library.zip

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI30082\base_library.zip
            • Size 1.0MB
            • SHA256 0580066426cc1e4cbea64c459ec9a951fd6d62d93c1149c11386e96f32b7e345
            • MD5 SHA1 SHA512 SSDEEP

            python310.dll

            • Path C:\Users\Admin\AppData\Local\Temp\_MEI30082\python310.dll
            • Size 4.2MB
            • SHA256 5783c5c5a3ffce181691f19d27de376a03010d32e41360b72bcdbd28467cfcc5
            • MD5 SHA1 SHA512 SSDEEP

            memory/1832-22-0x0000000074F12000-0x0000000074F13000-memory.dmp

            memory/1832-23-0x0000000074F10000-0x00000000754C1000-memory.dmp

            memory/1832-24-0x0000000074F10000-0x00000000754C1000-memory.dmp

            memory/1832-34-0x0000000074F10000-0x00000000754C1000-memory.dmp

            memory/3108-35-0x0000000074F10000-0x00000000754C1000-memory.dmp

            memory/3108-36-0x0000000074F10000-0x00000000754C1000-memory.dmp

            memory/3108-56-0x0000000074F10000-0x00000000754C1000-memory.dmp