Analysis

  • max time kernel
    146s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 10:36

General

  • Target

    저작권 침해 이미지 및 비디오 - Yulchon LLC.exe

  • Size

    1.2MB

  • MD5

    5cf6fc455c22989cf2e224c6427d3ae2

  • SHA1

    cee9351944a767ee26e6933f5725d4f223a9a474

  • SHA256

    d10fb204173471ea2394e877e6c354085e82488cd82d685bb31ffb40e73cd2f0

  • SHA512

    da54844ed075a3fc5c9099b134b9fa839434314dd3ad2a5832e4abca116970d80c45b14ca22193d41abfacbcececb42c82cc66abc73dedf681d0ee86adbc97bc

  • SSDEEP

    24576:vtdAm9DUi/CR3wCkCiRgoG7hBaHkbEXXeG/jFt5xax0vTx96jA:FqTytRFk6ek1x3j

Malware Config

Extracted

Family

rhadamanthys

C2

https://15.235.176.166:8344/ecda3896be16ad7255/82pwxrmt.osobm

Signatures

  • Rhadamanthys

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

  • Rhadamanthys family
  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2488
      • C:\Windows\SysWOW64\openwith.exe
        "C:\Windows\system32\openwith.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:1128
    • C:\Users\Admin\AppData\Local\Temp\저작권 침해 이미지 및 비디오 - Yulchon LLC.exe
      "C:\Users\Admin\AppData\Local\Temp\저작권 침해 이미지 및 비디오 - Yulchon LLC.exe"
      1⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4860
      • C:\Users\Admin\AppData\Local\Temp\저작권 침해 이미지 및 비디오 - Yulchon LLC.exe
        "C:\Users\Admin\AppData\Local\Temp\저작권 침해 이미지 및 비디오 - Yulchon LLC.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2236
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 432
          3⤵
          • Program crash
          PID:5044
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 428
          3⤵
          • Program crash
          PID:3752
      • 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⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4924
        • 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
          • System Location Discovery: System Language Discovery
          PID:2456
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2236 -ip 2236
      1⤵
        PID:3792
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2236 -ip 2236
        1⤵
          PID:3936

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1128-27-0x0000000000220000-0x0000000000229000-memory.dmp

          Filesize

          36KB

        • memory/1128-35-0x0000000002100000-0x0000000002500000-memory.dmp

          Filesize

          4.0MB

        • memory/1128-29-0x0000000002100000-0x0000000002500000-memory.dmp

          Filesize

          4.0MB

        • memory/1128-32-0x0000000002100000-0x0000000002500000-memory.dmp

          Filesize

          4.0MB

        • memory/1128-33-0x0000000002100000-0x0000000002500000-memory.dmp

          Filesize

          4.0MB

        • memory/1128-34-0x0000000075180000-0x0000000075395000-memory.dmp

          Filesize

          2.1MB

        • memory/1128-30-0x00007FF8863F0000-0x00007FF8865E5000-memory.dmp

          Filesize

          2.0MB

        • memory/2236-13-0x0000000000550000-0x00000000005CE000-memory.dmp

          Filesize

          504KB

        • memory/2236-25-0x00000000032F0000-0x00000000036F0000-memory.dmp

          Filesize

          4.0MB

        • memory/2236-8-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/2236-36-0x00000000032F0000-0x00000000036F0000-memory.dmp

          Filesize

          4.0MB

        • memory/2236-26-0x0000000075180000-0x0000000075395000-memory.dmp

          Filesize

          2.1MB

        • memory/2236-23-0x00007FF8863F0000-0x00007FF8865E5000-memory.dmp

          Filesize

          2.0MB

        • memory/2236-15-0x0000000000550000-0x00000000005CE000-memory.dmp

          Filesize

          504KB

        • memory/2236-12-0x0000000000550000-0x00000000005CE000-memory.dmp

          Filesize

          504KB

        • memory/2236-22-0x00000000032F0000-0x00000000036F0000-memory.dmp

          Filesize

          4.0MB

        • memory/2236-21-0x00000000032F0000-0x00000000036F0000-memory.dmp

          Filesize

          4.0MB

        • memory/2236-20-0x00000000032F0000-0x00000000036F0000-memory.dmp

          Filesize

          4.0MB

        • memory/4860-19-0x000000006C95E000-0x000000006C978000-memory.dmp

          Filesize

          104KB

        • memory/4860-16-0x000000006CAC0000-0x000000006CAC7000-memory.dmp

          Filesize

          28KB

        • memory/4860-3-0x000000006C95E000-0x000000006C978000-memory.dmp

          Filesize

          104KB

        • memory/4860-1-0x000000006C940000-0x000000006CB25000-memory.dmp

          Filesize

          1.9MB

        • memory/4860-14-0x000000006C940000-0x000000006CB25000-memory.dmp

          Filesize

          1.9MB

        • memory/4860-10-0x000000006C940000-0x000000006CB25000-memory.dmp

          Filesize

          1.9MB

        • memory/4860-7-0x000000006C940000-0x000000006CB25000-memory.dmp

          Filesize

          1.9MB

        • memory/4860-5-0x000000006C940000-0x000000006CB25000-memory.dmp

          Filesize

          1.9MB

        • memory/4860-2-0x000000006C940000-0x000000006CB25000-memory.dmp

          Filesize

          1.9MB

        • memory/4860-0-0x0000000000400000-0x0000000000549000-memory.dmp

          Filesize

          1.3MB

        • memory/4860-6-0x000000006C940000-0x000000006CB25000-memory.dmp

          Filesize

          1.9MB