Analysis

  • max time kernel
    120s
  • max time network
    27s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    09-11-2024 20:57

General

  • Target

    559a81754bfc13d6e7d1d30619ad486eda23a2c6c6899bf566ed7be9bc4d3af1N.exe

  • Size

    90KB

  • MD5

    f58ade729943deddc4be92babd36fda0

  • SHA1

    32540460c805523742ef6957169ce2f549cbbe99

  • SHA256

    559a81754bfc13d6e7d1d30619ad486eda23a2c6c6899bf566ed7be9bc4d3af1

  • SHA512

    64206722e1fb7a6198a7b6df3946c993a2d36195974a3210b2c65956243399ffc614889a66a2355276ed17f39b3bf6c80c792c18eee5173ec31f0451b81376cd

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modiloader family
  • ModiLoader Second Stage 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 22 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\559a81754bfc13d6e7d1d30619ad486eda23a2c6c6899bf566ed7be9bc4d3af1N.exe
    "C:\Users\Admin\AppData\Local\Temp\559a81754bfc13d6e7d1d30619ad486eda23a2c6c6899bf566ed7be9bc4d3af1N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Users\Admin\AppData\Local\Temp\559a81754bfc13d6e7d1d30619ad486eda23a2c6c6899bf566ed7be9bc4d3af1N.exe
      "C:\Users\Admin\AppData\Local\Temp\559a81754bfc13d6e7d1d30619ad486eda23a2c6c6899bf566ed7be9bc4d3af1N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2508
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\LYFOY.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2700
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:2416
      • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1944
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2004
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\LYFOY.bat

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

  • \Users\Admin\AppData\Roaming\Microsoft\csrsll.exe

    Filesize

    90KB

    MD5

    936f0228f7a52c7e6a14dfa386d9b51b

    SHA1

    f6a453e672baf5691d3db60e8cd3b4fb50387fe3

    SHA256

    452894958f7f513dcf78f10f3858d4978ac8833f57a004f3ff2b8e964e4be666

    SHA512

    36c7cff0a4fe15986e662a2bce5a9eaa133f52d49d683add0f9455da363928178cef3ca5b9cd19200eaee688a0cce7cc2f581628f405852bcdd081859ba11c95

  • memory/1704-262-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1704-249-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1944-180-0x0000000000200000-0x0000000000201000-memory.dmp

    Filesize

    4KB

  • memory/1944-251-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1944-223-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1944-169-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/1944-159-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/1944-156-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1944-149-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2004-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2508-155-0x0000000002A60000-0x0000000002AB3000-memory.dmp

    Filesize

    332KB

  • memory/2508-151-0x0000000002A60000-0x0000000002AB3000-memory.dmp

    Filesize

    332KB

  • memory/2508-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2508-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2508-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2508-254-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2508-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2508-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2508-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2508-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2508-217-0x0000000002A60000-0x0000000002AB3000-memory.dmp

    Filesize

    332KB

  • memory/2508-153-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2508-139-0x0000000002A60000-0x0000000002AB3000-memory.dmp

    Filesize

    332KB

  • memory/2508-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2508-148-0x0000000002A60000-0x0000000002AB3000-memory.dmp

    Filesize

    332KB

  • memory/2524-28-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2524-31-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2524-43-0x0000000000460000-0x0000000000461000-memory.dmp

    Filesize

    4KB

  • memory/2524-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2524-73-0x00000000004D0000-0x00000000004D1000-memory.dmp

    Filesize

    4KB

  • memory/2524-63-0x00000000004A0000-0x00000000004A1000-memory.dmp

    Filesize

    4KB

  • memory/2524-91-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2524-81-0x0000000000780000-0x0000000000782000-memory.dmp

    Filesize

    8KB

  • memory/2524-18-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/2524-104-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2524-15-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2524-7-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2524-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2524-4-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB