Analysis

  • max time kernel
    53s
  • max time network
    55s
  • platform
    windows10-1703_x64
  • resource
    win10-20240221-en
  • resource tags

    arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
  • submitted
    27-03-2024 12:17

General

  • Target

    Install.rar

  • Size

    61.4MB

  • MD5

    5f7f0719185c557e89ebc334ad5c9765

  • SHA1

    90d9c887a28e4505ae6c011de64740e397a515ed

  • SHA256

    665b6767c9cbac7ece13f2d205e778d2a1fa07d650e858743ae8e28ffc7d161d

  • SHA512

    ecdcf5ec5e6c49f666acad82e9a117438a18d05740c759f1f21a8033e964124591043a0cb856b2b09a8a828d208b7671842149fbe108f851a30e284f31e0c585

  • SSDEEP

    1572864:gW1mazO3YnHg9XkE0A6tETkE8+Zeq3bR5uVIRQidat:gWEYHg9Xb0qTkE77/uVIRQIY

Score
10/10

Malware Config

Signatures

  • Rhadamanthys

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

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • c:\windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2692
      • C:\Windows\SysWOW64\dialer.exe
        "C:\Windows\system32\dialer.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1544
    • C:\Windows\system32\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\Install.rar
      1⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2772
      • C:\Program Files\7-Zip\7zFM.exe
        "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Install.rar"
        2⤵
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:2972
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:3132
      • C:\Users\Admin\AppData\Local\Temp\Install.exe
        "C:\Users\Admin\AppData\Local\Temp\Install.exe"
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4836
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          2⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2288
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 608
            3⤵
            • Program crash
            PID:1596
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 616
            3⤵
            • Program crash
            PID:4564
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 804
          2⤵
          • Program crash
          PID:2140

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\Install.exe

        Filesize

        438KB

        MD5

        e40eaf172baa952af63da4afc6b8a9e3

        SHA1

        a9cbc97a377d8ff56bfe98311bd22908ae36e71f

        SHA256

        7beb7853a6d9de5ca7e8b0e759e1a643d18584e2a04979d75d9cfd28011aec8c

        SHA512

        62b8fc5680d8e27c9f9fe5376b3bddfb9204ff1e1f25e6ecf92d9d90d9dec33f27bf89be1f41e82414cd1353d9f63273b6720562ec46f3c29d0ef8775fe1db4f

      • memory/1544-366-0x0000000002D50000-0x0000000002D59000-memory.dmp

        Filesize

        36KB

      • memory/1544-376-0x0000000004A70000-0x0000000004E70000-memory.dmp

        Filesize

        4.0MB

      • memory/1544-373-0x0000000074200000-0x00000000743C2000-memory.dmp

        Filesize

        1.8MB

      • memory/1544-374-0x00007FFB08720000-0x00007FFB088FB000-memory.dmp

        Filesize

        1.9MB

      • memory/1544-371-0x0000000004A70000-0x0000000004E70000-memory.dmp

        Filesize

        4.0MB

      • memory/1544-370-0x00007FFB08720000-0x00007FFB088FB000-memory.dmp

        Filesize

        1.9MB

      • memory/1544-369-0x0000000004A70000-0x0000000004E70000-memory.dmp

        Filesize

        4.0MB

      • memory/2288-356-0x0000000000400000-0x000000000046D000-memory.dmp

        Filesize

        436KB

      • memory/2288-375-0x0000000003970000-0x0000000003D70000-memory.dmp

        Filesize

        4.0MB

      • memory/2288-362-0x00007FFB08720000-0x00007FFB088FB000-memory.dmp

        Filesize

        1.9MB

      • memory/2288-365-0x0000000003970000-0x0000000003D70000-memory.dmp

        Filesize

        4.0MB

      • memory/2288-364-0x0000000074200000-0x00000000743C2000-memory.dmp

        Filesize

        1.8MB

      • memory/2288-359-0x0000000003970000-0x0000000003D70000-memory.dmp

        Filesize

        4.0MB

      • memory/2288-358-0x0000000000400000-0x000000000046D000-memory.dmp

        Filesize

        436KB

      • memory/2288-361-0x0000000003970000-0x0000000003D70000-memory.dmp

        Filesize

        4.0MB

      • memory/2288-353-0x0000000000400000-0x000000000046D000-memory.dmp

        Filesize

        436KB

      • memory/4836-357-0x0000000002E70000-0x0000000004E70000-memory.dmp

        Filesize

        32.0MB

      • memory/4836-349-0x00000000736F0000-0x0000000073DDE000-memory.dmp

        Filesize

        6.9MB

      • memory/4836-350-0x00000000054F0000-0x0000000005500000-memory.dmp

        Filesize

        64KB

      • memory/4836-348-0x0000000000B30000-0x0000000000BA0000-memory.dmp

        Filesize

        448KB

      • memory/4836-377-0x00000000736F0000-0x0000000073DDE000-memory.dmp

        Filesize

        6.9MB