Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-02-2025 21:35

General

  • Target

    bootstrap/vstdlib_s64.dll

  • Size

    3.2MB

  • MD5

    2af311d5fdb8df6250ee6681edea15bb

  • SHA1

    68cea60147b29ae47fd18d97698e9bcf6f713c36

  • SHA256

    c1cd2c6fd3c17d9e67ec45436064b911f2dc81fb2c32ece5ef9878b8af35dda5

  • SHA512

    b20a08a1690dac97c456acc1cd8bfe01b3310c490abee3063a5189f45e28e0ac116f313524b9ca5003b84e2cc07c090e28a9fa9240fa3e4f03d9cf1fe00240de

  • SSDEEP

    49152:wSN5WWMbW0m7Dng+arKHXKS2n4qBJ9X1LaYztS:FV4546S2n4Q9Fh

Malware Config

Signatures

  • Detects Rhadamanthys payload 1 IoCs
  • Rhadamanthys

    Rhadamanthys is an info stealer written in C++ first seen in August 2022.

  • Rhadamanthys family
  • Enumerates VirtualBox registry keys 2 TTPs 3 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare services registry key. 1 TTPs 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Runs regedit.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\bootstrap\vstdlib_s64.dll,#1
    1⤵
    • Enumerates VirtualBox registry keys
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare services registry key.
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
      2⤵
        PID:2972
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
        2⤵
          PID:3040
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
          2⤵
            PID:3044
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
            2⤵
              PID:2336
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
              2⤵
                PID:2340
              • C:\Windows\System32\calc.exe
                "C:\Windows\System32\calc.exe"
                2⤵
                  PID:2788
                • C:\Windows\System32\svchost.exe
                  "C:\Windows\System32\svchost.exe"
                  2⤵
                    PID:2696
                  • C:\Windows\System32\cmd.exe
                    "C:\Windows\System32\cmd.exe"
                    2⤵
                      PID:2716
                    • C:\Windows\System32\notepad.exe
                      "C:\Windows\System32\notepad.exe"
                      2⤵
                        PID:2736
                      • C:\Program Files (x86)\Windows Media Player\wmplayer.exe
                        "C:\Program Files (x86)\Windows Media Player\wmplayer.exe"
                        2⤵
                          PID:2892
                        • C:\Program Files (x86)\Windows Mail\wab.exe
                          "C:\Program Files (x86)\Windows Mail\wab.exe"
                          2⤵
                            PID:2896
                          • C:\Windows\regedit.exe
                            "C:\Windows\regedit.exe"
                            2⤵
                            • Runs regedit.exe
                            PID:2756
                          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                            "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
                            2⤵
                              PID:2872

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • memory/2036-0-0x000007FEF5B80000-0x000007FEF5F62000-memory.dmp

                            Filesize

                            3.9MB

                          • memory/2972-3-0x0000000000400000-0x0000000000481000-memory.dmp

                            Filesize

                            516KB

                          • memory/2972-2-0x0000000000400000-0x0000000000481000-memory.dmp

                            Filesize

                            516KB

                          • memory/2972-1-0x0000000000400000-0x0000000000481000-memory.dmp

                            Filesize

                            516KB