Analysis

  • max time kernel
    118s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-11-2024 03:43

General

  • Target

    3665ffe7e4db95f1d70d94c3c3b3621b7b643cdd9abc6dc185251fabfc6938d1.exe

  • Size

    90KB

  • MD5

    358cf2a7c196a240f9e34665d21fee5c

  • SHA1

    7977caccc58f21e804008321ad5d9e4526ff6615

  • SHA256

    3665ffe7e4db95f1d70d94c3c3b3621b7b643cdd9abc6dc185251fabfc6938d1

  • SHA512

    558343c68ed2f214b48171b77b97f810b224281dfe78c5900df5f2a31e09892df055063dea33861a5bd94563129f1282af5cff7741b6aec3a160f644069b55bb

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDE:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3G

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modiloader family
  • ModiLoader Second Stage 2 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 21 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\3665ffe7e4db95f1d70d94c3c3b3621b7b643cdd9abc6dc185251fabfc6938d1.exe
    "C:\Users\Admin\AppData\Local\Temp\3665ffe7e4db95f1d70d94c3c3b3621b7b643cdd9abc6dc185251fabfc6938d1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Users\Admin\AppData\Local\Temp\3665ffe7e4db95f1d70d94c3c3b3621b7b643cdd9abc6dc185251fabfc6938d1.exe
      "C:\Users\Admin\AppData\Local\Temp\3665ffe7e4db95f1d70d94c3c3b3621b7b643cdd9abc6dc185251fabfc6938d1.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:288
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\WTCCN.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:784
        • 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:1708
      • 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:1124
        • 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:864
        • 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:1452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    31e4c119869765d2feb26d33eb2ffdf8

    SHA1

    e64ef46a7a38e95f87c3fb51b8322aae1109583f

    SHA256

    57de566522c67c79fd406c6bc5032f1e5ff39f3640551dda690eff0e8776633b

    SHA512

    1a183126be1e11723e76df87f4dd510616872aedc4d248923755d019a5800704d947bfd8531b11ada670de751e4d91e4ab9c2fc5302e4780e8efac2d9781a1d3

  • memory/288-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/288-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/288-251-0x00000000031D0000-0x0000000003223000-memory.dmp

    Filesize

    332KB

  • memory/288-211-0x00000000031D0000-0x0000000003223000-memory.dmp

    Filesize

    332KB

  • memory/288-153-0x00000000031C0000-0x0000000003213000-memory.dmp

    Filesize

    332KB

  • memory/288-152-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/288-89-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/288-95-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/288-258-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/288-132-0x00000000031C0000-0x0000000003213000-memory.dmp

    Filesize

    332KB

  • memory/288-145-0x00000000031D0000-0x0000000003223000-memory.dmp

    Filesize

    332KB

  • memory/288-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/288-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/288-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/288-91-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/288-147-0x00000000031D0000-0x0000000003223000-memory.dmp

    Filesize

    332KB

  • memory/288-146-0x00000000031D0000-0x0000000003223000-memory.dmp

    Filesize

    332KB

  • memory/864-252-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/864-259-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1124-156-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1124-214-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1124-254-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1124-166-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/1124-177-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/1452-260-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1452-253-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3024-71-0x00000000004F0000-0x00000000004F1000-memory.dmp

    Filesize

    4KB

  • memory/3024-98-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3024-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3024-41-0x0000000000480000-0x0000000000481000-memory.dmp

    Filesize

    4KB

  • memory/3024-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3024-151-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3024-102-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3024-61-0x00000000004D0000-0x00000000004D1000-memory.dmp

    Filesize

    4KB

  • memory/3024-29-0x0000000000460000-0x0000000000461000-memory.dmp

    Filesize

    4KB

  • memory/3024-79-0x0000000000510000-0x0000000000512000-memory.dmp

    Filesize

    8KB

  • memory/3024-5-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/3024-15-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/3024-3-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/3024-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB