Analysis

  • max time kernel
    95s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-09-2024 03:59

General

  • Target

    InstallerKms.exe

  • Size

    68.0MB

  • MD5

    f53efc191a90dd0ba78c961b513efb56

  • SHA1

    0a30f6b17900dd62ba3c76289ae7f427dd8c26cd

  • SHA256

    9f18caf887db4cccec90f1d018538b77fd5b6e2f7bcaaecbd66fee016f98e10d

  • SHA512

    a4b05a36ce2b58821a14d2f13d176756e0293e777e50e052a52a0543cc2fbee93ae4b0f46af21aa4b5ba86a5414ebc400da60201f25c1da8820620ad408e67a7

  • SSDEEP

    786432:qxGBxG0xG4xGRxGXxGWxGmxGjxGBxG/xG8xGvxGqxGixG:qEBE0E4EREXEWEmEjEBE/E8EvEqEiE

Malware Config

Extracted

Family

rhadamanthys

C2

https://185.184.26.10:4928/e4eb12414c95175ccfd/15_SEP

Signatures

  • Rhadamanthys

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

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2588
      • C:\Windows\SysWOW64\openwith.exe
        "C:\Windows\system32\openwith.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:4916
    • C:\Users\Admin\AppData\Local\Temp\InstallerKms.exe
      "C:\Users\Admin\AppData\Local\Temp\InstallerKms.exe"
      1⤵
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3180
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2252
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2252 -s 432
          3⤵
          • Program crash
          PID:2920
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2252 -s 428
          3⤵
          • Program crash
          PID:4848
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2252 -ip 2252
      1⤵
        PID:1572
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2252 -ip 2252
        1⤵
          PID:2724

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2252-13-0x00007FFEDF1B0000-0x00007FFEDF3A5000-memory.dmp

          Filesize

          2.0MB

        • memory/2252-12-0x0000000003A60000-0x0000000003E60000-memory.dmp

          Filesize

          4.0MB

        • memory/2252-7-0x0000000000400000-0x000000000047E000-memory.dmp

          Filesize

          504KB

        • memory/2252-9-0x0000000000400000-0x000000000047E000-memory.dmp

          Filesize

          504KB

        • memory/2252-6-0x0000000000400000-0x000000000047E000-memory.dmp

          Filesize

          504KB

        • memory/2252-10-0x0000000003A60000-0x0000000003E60000-memory.dmp

          Filesize

          4.0MB

        • memory/2252-8-0x0000000000400000-0x000000000047E000-memory.dmp

          Filesize

          504KB

        • memory/2252-14-0x0000000003A60000-0x0000000003E60000-memory.dmp

          Filesize

          4.0MB

        • memory/2252-11-0x0000000003A60000-0x0000000003E60000-memory.dmp

          Filesize

          4.0MB

        • memory/2252-24-0x0000000003A60000-0x0000000003E60000-memory.dmp

          Filesize

          4.0MB

        • memory/2252-16-0x00000000760B0000-0x00000000762C5000-memory.dmp

          Filesize

          2.1MB

        • memory/4916-20-0x0000000000F60000-0x0000000000F69000-memory.dmp

          Filesize

          36KB

        • memory/4916-19-0x0000000002E30000-0x0000000003230000-memory.dmp

          Filesize

          4.0MB

        • memory/4916-21-0x00007FFEDF1B0000-0x00007FFEDF3A5000-memory.dmp

          Filesize

          2.0MB

        • memory/4916-23-0x00000000760B0000-0x00000000762C5000-memory.dmp

          Filesize

          2.1MB

        • memory/4916-17-0x0000000000F60000-0x0000000000F69000-memory.dmp

          Filesize

          36KB