Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    20-06-2024 21:05

General

  • Target

    3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe

  • Size

    90KB

  • MD5

    dd6ac5791be2569b27a6e8b4f1a3b7ec

  • SHA1

    d333670fe599bfe4cd31cd30b1b59d9563e680df

  • SHA256

    3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513

  • SHA512

    16aa0c60b1795172795e506f870494eda40e5c415e0b5a1dcffd217c75a92587ecd2eab22fa125ffc701ce118c73a25999252c8bd7a737f07d0b8654765a0590

  • 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.

  • Detects Windows executables referencing non-Windows User-Agents 1 IoCs
  • ModiLoader Second Stage 1 IoCs
  • UPX dump on OEP (original entry point) 17 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 18 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe
    "C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe
      "C:\Users\Admin\AppData\Local\Temp\3654b40dca9e4d342fdfa061809995cb944837f6c1bbb5a701546c536b083513.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2608
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\SWUXI.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2880
        • 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
          PID:2356
      • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1188
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:544
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          PID:1860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    a9a1a3a3b91b71adb8f4bfb984792b1a

    SHA1

    a61eef444818baccab21095b2abe9e360febe851

    SHA256

    7c301fab4a1914a87c1fa5ba5ce7731e51dcdfa2511bc6f68a9a0a88d7f391ce

    SHA512

    f3e937d96d1d7f7bf1e2f610b4bb46708166d7b2502377fa48ba46b8e364f43288c6fe60706771a1ada80e4dd8c2ad2ba4566cad210b91c627b52470b8a24491

  • memory/544-258-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1188-175-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/1188-248-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1188-154-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/1188-151-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1188-164-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/1188-227-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1704-88-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/1704-99-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1704-5-0x00000000001D0000-0x00000000001D1000-memory.dmp

    Filesize

    4KB

  • memory/1704-1-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1704-77-0x0000000000500000-0x0000000000502000-memory.dmp

    Filesize

    8KB

  • memory/1704-27-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/1704-39-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/1704-103-0x0000000002450000-0x00000000024A3000-memory.dmp

    Filesize

    332KB

  • memory/1704-59-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/1704-69-0x00000000004E0000-0x00000000004E1000-memory.dmp

    Filesize

    4KB

  • memory/1704-3-0x00000000001D0000-0x00000000001D1000-memory.dmp

    Filesize

    4KB

  • memory/1704-97-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1704-15-0x00000000001F0000-0x00000000001F1000-memory.dmp

    Filesize

    4KB

  • memory/1860-259-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1860-245-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2608-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-145-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2608-144-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2608-146-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2608-147-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2608-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-87-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-90-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-253-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-94-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB