Analysis

  • max time kernel
    50s
  • max time network
    58s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-06-2024 13:58

General

  • Target

    ??? ?? - KOMCA/msimg32.dll

  • Size

    3.4MB

  • MD5

    6e01e13c33d0ef84ec2e7c95cb7cf5dc

  • SHA1

    36056aa4893eca4309f19786dca3527e28471b2d

  • SHA256

    9abbafb168ff943f563bc2e39d6614796704993819ea89840daf0e3b1c5a98aa

  • SHA512

    e8e33ce34d01ad30172a21451439104666ab8cb538149a44ae5d9e078ba552c3f5e5e7ae53e088bff74ad89412987bcbf04b4a3c45debfba1ef56f3bcd3f96db

  • SSDEEP

    49152:G7q38GEJR8MUKCN4mdsTEgoTrpVRvLDS7m2Xob/BJCgLzDdwd9bk/RiF6xQf2V4d:7YA/BSY/RiAxpVo

Malware Config

Signatures

  • Rhadamanthys

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

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2576
      • C:\Windows\SysWOW64\dialer.exe
        "C:\Windows\system32\dialer.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4668
    • C:\Windows\system32\regsvr32.exe
      regsvr32 /s "C:\Users\Admin\AppData\Local\Temp\___ __ - KOMCA\msimg32.dll"
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:548
      • C:\Windows\SysWOW64\regsvr32.exe
        /s "C:\Users\Admin\AppData\Local\Temp\___ __ - KOMCA\msimg32.dll"
        2⤵
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of WriteProcessMemory
        PID:2264
        • C:\Windows\SysWOW64\regsvr32.exe
          "C:\Windows\SysWOW64\regsvr32.exe"
          3⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1812
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1812 -s 596
            4⤵
            • Program crash
            PID:2968
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1812 -s 592
            4⤵
            • Program crash
            PID:5004
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /C reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*ChromeUpdate" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\FirefoxData.dll",EntryPoint /f & exit
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3556
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*ChromeUpdate" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\FirefoxData.dll",EntryPoint /f
            4⤵
            • Adds Run key to start application
            PID:2528
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1812 -ip 1812
      1⤵
        PID:4920
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1812 -ip 1812
        1⤵
          PID:1196

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1812-12-0x0000000003510000-0x0000000003910000-memory.dmp
          Filesize

          4.0MB

        • memory/1812-13-0x0000000003510000-0x0000000003910000-memory.dmp
          Filesize

          4.0MB

        • memory/1812-14-0x00007FFB617D0000-0x00007FFB619C5000-memory.dmp
          Filesize

          2.0MB

        • memory/1812-17-0x0000000003510000-0x0000000003910000-memory.dmp
          Filesize

          4.0MB

        • memory/1812-11-0x0000000003510000-0x0000000003910000-memory.dmp
          Filesize

          4.0MB

        • memory/1812-4-0x00000000005D0000-0x00000000005D1000-memory.dmp
          Filesize

          4KB

        • memory/1812-9-0x0000000000560000-0x00000000005CD000-memory.dmp
          Filesize

          436KB

        • memory/1812-10-0x0000000000560000-0x00000000005CD000-memory.dmp
          Filesize

          436KB

        • memory/1812-25-0x0000000003510000-0x0000000003910000-memory.dmp
          Filesize

          4.0MB

        • memory/1812-16-0x00000000756C0000-0x00000000758D5000-memory.dmp
          Filesize

          2.1MB

        • memory/1812-8-0x0000000000560000-0x00000000005CD000-memory.dmp
          Filesize

          436KB

        • memory/2264-2-0x0000000010000000-0x000000001037A000-memory.dmp
          Filesize

          3.5MB

        • memory/2264-1-0x0000000010007000-0x0000000010021000-memory.dmp
          Filesize

          104KB

        • memory/2264-0-0x0000000010000000-0x000000001037A000-memory.dmp
          Filesize

          3.5MB

        • memory/2264-7-0x0000000010000000-0x000000001037A000-memory.dmp
          Filesize

          3.5MB

        • memory/2264-3-0x0000000010000000-0x000000001037A000-memory.dmp
          Filesize

          3.5MB

        • memory/4668-23-0x00000000756C0000-0x00000000758D5000-memory.dmp
          Filesize

          2.1MB

        • memory/4668-20-0x0000000002D40000-0x0000000003140000-memory.dmp
          Filesize

          4.0MB

        • memory/4668-21-0x00007FFB617D0000-0x00007FFB619C5000-memory.dmp
          Filesize

          2.0MB

        • memory/4668-18-0x0000000000F10000-0x0000000000F19000-memory.dmp
          Filesize

          36KB