Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-11-2024 08:58

General

  • Target

    c1d1be2cd6bca0d24b9e10318912f071506e5fe7e0a03947cd09953e47fd80a9.exe

  • Size

    90KB

  • MD5

    85d2952ee904971698cd6d3d3445e46f

  • SHA1

    ed788c1ffac6da8a697fb7395f1e64aa6683f98f

  • SHA256

    c1d1be2cd6bca0d24b9e10318912f071506e5fe7e0a03947cd09953e47fd80a9

  • SHA512

    5cbde317a105c6b8c7f629c492da43d221407328b7f1ca6a2fa9cb5bbf090308f4bbbf52455f6d27a99ce18278079aad30302e8b129db4ad409aa3f738efa9fc

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDB:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3b

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modiloader family
  • ModiLoader Second Stage 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 20 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 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c1d1be2cd6bca0d24b9e10318912f071506e5fe7e0a03947cd09953e47fd80a9.exe
    "C:\Users\Admin\AppData\Local\Temp\c1d1be2cd6bca0d24b9e10318912f071506e5fe7e0a03947cd09953e47fd80a9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3180
    • C:\Users\Admin\AppData\Local\Temp\c1d1be2cd6bca0d24b9e10318912f071506e5fe7e0a03947cd09953e47fd80a9.exe
      "C:\Users\Admin\AppData\Local\Temp\c1d1be2cd6bca0d24b9e10318912f071506e5fe7e0a03947cd09953e47fd80a9.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:952
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VMABW.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4448
        • 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:1500
      • 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:2440
        • 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:1516
        • 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:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\VMABW.txt

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    1e828fa34f5416c466501d3fb38b06b3

    SHA1

    361c93e82771394cccaa9b8c6b79448e4f2c4cc1

    SHA256

    4e2ac2f99048a413702f552743462eade5cec9adb92a301d28b1e7d83b5ec9bf

    SHA512

    8a6c0f1db5e3e3a4bb9e976a95b618266f640eeb0e0c4166d00f6f29844c3fccce0987c7137efd3f7201c2d4d9acb1324bcaf47e8a9ec96618d8cba28deed00c

  • memory/952-39-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/952-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/952-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/952-12-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/952-13-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/952-58-0x0000000000410000-0x00000000004D9000-memory.dmp

    Filesize

    804KB

  • memory/952-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1516-61-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2440-57-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2440-40-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2440-41-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2724-62-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2724-45-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2724-50-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2724-56-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2724-52-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2724-54-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3180-3-0x0000000002300000-0x0000000002302000-memory.dmp

    Filesize

    8KB

  • memory/3180-5-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3180-6-0x0000000002B80000-0x0000000002B82000-memory.dmp

    Filesize

    8KB

  • memory/3180-4-0x0000000002B60000-0x0000000002B62000-memory.dmp

    Filesize

    8KB

  • memory/3180-11-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3180-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB