Analysis

  • max time kernel
    143s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/05/2024, 19:23

General

  • Target
    06c91ad7df2a32a919f28d8490a5cd60_NeikiAnalytics.exe
  • Size 2.6MB
  • Sample240513-x3v4saag4s
  • SHA256 7c88a47aa0a37c29edf210441cb12fab86f1fcc4bb087e088c06d4c610a72c8a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • DcRat

    DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

  • Detect ZGRat V1 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • DCRat payload 4 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\06c91ad7df2a32a919f28d8490a5cd60_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\06c91ad7df2a32a919f28d8490a5cd60_NeikiAnalytics.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4752
    • C:\Users\Admin\AppData\Local\Temp\K-g3n.exe
      "C:\Users\Admin\AppData\Local\Temp\K-g3n.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4724
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\ServerbrokerHost\7zpu6HXP6i.vbe"
        3⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:940
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\ServerbrokerHost\qQ4nM.bat" "
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:368
          • C:\ServerbrokerHost\AgentDhcp.exe
            "C:\ServerbrokerHost\AgentDhcp.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:2324
    • C:\Users\Admin\AppData\Local\Temp\Solara.exe
      "C:\Users\Admin\AppData\Local\Temp\Solara.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:932
  • 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=3804 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3076

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          7zpu6HXP6i.vbe

          • Path C:\ServerbrokerHost\7zpu6HXP6i.vbe
          • Size 198B
          • SHA256 1e09eb7ec0fb1cf64b51d9b54a3480f3e58607685551e750d3250fe9ad301b34
          • MD5 SHA1 SHA512

          AgentDhcp.exe

          • Path C:\ServerbrokerHost\AgentDhcp.exe
          • Size 1.5MB
          • SHA256 5bf11d3c375d3da1373ad03ad9a46cef3a1ae0c42f2cd552c60a9827527286c1
          • MD5 SHA1 SHA512 SSDEEP

          qQ4nM.bat

          • Path C:\ServerbrokerHost\qQ4nM.bat
          • Size 35B
          • SHA256 971717849bc740a88ca581c9f4be51665eac37a01f92b8326f5fd4d9dd0464f0
          • MD5 SHA1 SHA512

          K-g3n.exe

          • Path C:\Users\Admin\AppData\Local\Temp\K-g3n.exe
          • Size 1.8MB
          • SHA256 1a6c3f9db0a2bbbfe6d09f241d29b628d941417c0676e6f194c46e12da5e5134
          • MD5 SHA1 SHA512 SSDEEP

          Solara.exe

          • Path C:\Users\Admin\AppData\Local\Temp\Solara.exe
          • Size 769KB
          • SHA256 5b459f91fab604c2630768e0423c7d0004aab701978154e1a1ce8d2460ab945f
          • MD5 SHA1 SHA512 SSDEEP

          WebView2Loader.dll

          • Path C:\Users\Admin\AppData\Local\Temp\bdfe1398330148c085d9bc6215bd335b\WebView2Loader.dll
          • Size 133KB
          • SHA256 79d7e45f8631e8d2541d01bfb5a49a3a090be72b3d465389a2d684680fee2e36
          • MD5 SHA1 SHA512 SSDEEP

          memory/932-20-0x00007FFD774B3000-0x00007FFD774B5000-memory.dmp

          memory/932-27-0x00007FFD774B0000-0x00007FFD77F71000-memory.dmp

          memory/932-36-0x000001A50C060000-0x000001A50C076000-memory.dmp

          memory/932-21-0x000001A50BA00000-0x000001A50BAC6000-memory.dmp

          memory/932-42-0x00007FFD774B0000-0x00007FFD77F71000-memory.dmp

          memory/2324-41-0x0000000000C10000-0x0000000000D9C000-memory.dmp

          memory/2324-43-0x0000000002E60000-0x0000000002E6E000-memory.dmp

          memory/4752-0-0x0000000000400000-0x0000000000697000-memory.dmp