Analysis

  • max time kernel
    132s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-06-2024 13:58

General

  • Target

    ??? ?? - KOMCA/??? ?? - KOMCA.exe

  • Size

    6.1MB

  • MD5

    4864a55cff27f686023456a22371e790

  • SHA1

    6ed30c0371fe167d38411bfa6d720fcdcacc4f4c

  • SHA256

    08c7fb6067acc8ac207d28ab616c9ea5bc0d394956455d6a3eecb73f8010f7a2

  • SHA512

    4bd3a16435cca6ce7a7aa829eb967619a8b7c02598474e634442cffc55935870d54d844a04496bf9c7e8c29c40fae59ac6eb39c8550c091d06a28211491d0bfb

  • SSDEEP

    98304:VZQIM+/nv/CDoAkYwpAa5ge1zZ/jtdZwUkQ:bJCKlA2VKUz

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 17 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2376
      • C:\Windows\SysWOW64\dialer.exe
        "C:\Windows\system32\dialer.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4904
    • C:\Users\Admin\AppData\Local\Temp\___ __ - KOMCA\___ __ - KOMCA.exe
      "C:\Users\Admin\AppData\Local\Temp\___ __ - KOMCA\___ __ - KOMCA.exe"
      1⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of WriteProcessMemory
      PID:1532
      • C:\Users\Admin\AppData\Local\Temp\___ __ - KOMCA\___ __ - KOMCA.exe
        "C:\Users\Admin\AppData\Local\Temp\___ __ - KOMCA\___ __ - KOMCA.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4308
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4308 -s 448
          3⤵
          • Program crash
          PID:4196
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4308 -s 460
          3⤵
          • Program crash
          PID:3888
      • 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
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5084
        • 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
          3⤵
          • Adds Run key to start application
          PID:720
    • 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=3724 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2652
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4308 -ip 4308
        1⤵
          PID:4412
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4308 -ip 4308
          1⤵
            PID:2956

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1532-6-0x0000000010000000-0x000000001037A000-memory.dmp
            Filesize

            3.5MB

          • memory/1532-0-0x0000000010000000-0x000000001037A000-memory.dmp
            Filesize

            3.5MB

          • memory/1532-2-0x0000000010000000-0x000000001037A000-memory.dmp
            Filesize

            3.5MB

          • memory/1532-1-0x0000000010007000-0x0000000010021000-memory.dmp
            Filesize

            104KB

          • memory/1532-3-0x0000000010000000-0x000000001037A000-memory.dmp
            Filesize

            3.5MB

          • memory/4308-11-0x0000000003990000-0x0000000003D90000-memory.dmp
            Filesize

            4.0MB

          • memory/4308-16-0x0000000075C40000-0x0000000075E55000-memory.dmp
            Filesize

            2.1MB

          • memory/4308-7-0x0000000000A30000-0x0000000000A9D000-memory.dmp
            Filesize

            436KB

          • memory/4308-9-0x0000000000A30000-0x0000000000A9D000-memory.dmp
            Filesize

            436KB

          • memory/4308-10-0x0000000003990000-0x0000000003D90000-memory.dmp
            Filesize

            4.0MB

          • memory/4308-4-0x00000000001D0000-0x00000000001D1000-memory.dmp
            Filesize

            4KB

          • memory/4308-12-0x0000000003990000-0x0000000003D90000-memory.dmp
            Filesize

            4.0MB

          • memory/4308-13-0x00007FFDD9650000-0x00007FFDD9845000-memory.dmp
            Filesize

            2.0MB

          • memory/4308-14-0x0000000003990000-0x0000000003D90000-memory.dmp
            Filesize

            4.0MB

          • memory/4308-8-0x0000000000A30000-0x0000000000A9D000-memory.dmp
            Filesize

            436KB

          • memory/4308-26-0x0000000003990000-0x0000000003D90000-memory.dmp
            Filesize

            4.0MB

          • memory/4904-19-0x0000000002520000-0x0000000002920000-memory.dmp
            Filesize

            4.0MB

          • memory/4904-20-0x0000000002520000-0x0000000002920000-memory.dmp
            Filesize

            4.0MB

          • memory/4904-23-0x0000000002520000-0x0000000002920000-memory.dmp
            Filesize

            4.0MB

          • memory/4904-21-0x00007FFDD9650000-0x00007FFDD9845000-memory.dmp
            Filesize

            2.0MB

          • memory/4904-24-0x0000000075C40000-0x0000000075E55000-memory.dmp
            Filesize

            2.1MB

          • memory/4904-17-0x00000000008E0000-0x00000000008E9000-memory.dmp
            Filesize

            36KB

          • memory/4904-25-0x0000000002520000-0x0000000002920000-memory.dmp
            Filesize

            4.0MB