Overview

overview

7

Static

static

3

2024-06-07...uk.exe

windows7-x64

7

2024-06-07...uk.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    132s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/06/2024, 01:12

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    2024-06-07_4ae10eece08ce7fe900f29f10d25a7b9_ryuk.exe
  • Size 13.3MB
  • Sample240607-bknq4aga82
  • SHA256 bb1ebde83a81536fd0cb0acbc312ea5ab4a02771ca325582760ee7a74d51b1b8
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 12 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-07_4ae10eece08ce7fe900f29f10d25a7b9_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-07_4ae10eece08ce7fe900f29f10d25a7b9_ryuk.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:972
    • C:\Users\Admin\AppData\Local\Temp\2024-06-07_4ae10eece08ce7fe900f29f10d25a7b9_ryuk.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-06-07_4ae10eece08ce7fe900f29f10d25a7b9_ryuk.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2692
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c cls
        3⤵
          PID:4832
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c COPY /Y "bin.exe" "C:\\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\"
          3⤵
            PID:2544

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            VCRUNTIME140.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9722\VCRUNTIME140.dll
            • Size 98KB
            • SHA256 263988a0868053b6b01835cd2959c8f71e3f943610421b269da646f2d9e3b333
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            _bz2.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9722\_bz2.pyd
            • Size 84KB
            • SHA256 603f98c24a4a8a667fa944ca1f15bed4a46f2a71c44eeba23d4ed6ac39618eb1
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            _ctypes.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9722\_ctypes.pyd
            • Size 123KB
            • SHA256 1861e10827c50516836a9d6137cc9d9d0d097864af1e7455a58391e2137d6c9d
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            _lzma.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9722\_lzma.pyd
            • Size 247KB
            • SHA256 0fac60162b7d6e46f2131c42ac01dfed3a6d23556395e839cfa88f27497ec65a
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            _socket.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9722\_socket.pyd
            • Size 77KB
            • SHA256 34c2ec9369d20c69026206ee8b55cd9fb652eccce96113f0567a69efec51df8f
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            base_library.zip
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9722\base_library.zip
            • Size 768KB
            • SHA256 81f3f98dd0f1b74139c5ffc9bba4c2326c54715ac41f2536c78ab5c3bd2059c7
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            libffi-7.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9722\libffi-7.dll
            • Size 32KB
            • SHA256 f60dd9f2fcbd495674dfc1555effb710eb081fc7d4cae5fa58c438ab50405081
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            pyexpat.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9722\pyexpat.pyd
            • Size 184KB
            • SHA256 58a6f17f004b2af745130039b3bb3b8962ea8c8d453fdbc88aba8f40f7ff9d7f
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            python38.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9722\python38.dll
            • Size 4.0MB
            • SHA256 55c18c7a226e93e0ab3fa4f7cdb016d745e62e05d2c5a032c37e4880500e7063
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            pythoncom38.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9722\pythoncom38.dll
            • Size 558KB
            • SHA256 452edd825eac1b2eb77685fe4cbdf3244ca058c6c90d07d042a3b6be6f9215dc
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            pywintypes38.dll
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9722\pywintypes38.dll
            • Size 138KB
            • SHA256 b2d639f897aa376f7cbac7c1989cd176486a7aa0d0b2fa3d3ade410f5430978f
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            select.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9722\select.pyd
            • Size 26KB
            • SHA256 67d7f26dacf16970a9d1196e54522a8e1faf43d09b1a0814100f679f787b2bae
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            win32api.pyd
            • Path C:\Users\Admin\AppData\Local\Temp\_MEI9722\win32api.pyd
            • Size 129KB
            • SHA256 25b36692d216af99f1526dc473ba34caf19b403fe15a19269c72e683aed8ed88
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download