Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 23:48

General

  • Target

    1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe

  • Size

    90KB

  • MD5

    70db98843615e7e1e79f94a1013700c0

  • SHA1

    599023bf0c108241e96f64e4bba0fb5dab4c1dbd

  • SHA256

    1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5

  • SHA512

    8481caed65c2630a248475fd6c4aaa51987474030e5a8c199fae03dc6ef2d508324ce8ec3af35159f3059f088dcbe2d31ccd6a5158579f10a0ddd1a02b987039

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDQ:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3u

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\1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe
    "C:\Users\Admin\AppData\Local\Temp\1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2824
    • C:\Users\Admin\AppData\Local\Temp\1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe
      "C:\Users\Admin\AppData\Local\Temp\1633c537a373b6ae5d3e2bd17239ffc0e55de04de4af46ac032e4fe6b3cd54c5N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2616
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\EYWUY.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2936
        • 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:2636
      • 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:2676
        • 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:1872
        • 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:1484

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    cde6be6a2ed12e1528f54845528ff99a

    SHA1

    598c4438edca6871a2c2529075b49ffc9ed4a73a

    SHA256

    05bfa3d964f060c4246fd886258e9956216fe964ad693587558e8b19a076f67d

    SHA512

    11a52c5c6f35cfbbdf03794fe6c4ffd4b3abf6fb2ba92d0e849e3afd1efe4cf57b885a30bf083accb3972da0f90cc5558ad7c114bf8ab5d0215a60179ec03767

  • memory/1484-263-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1484-258-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1872-260-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1872-242-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2616-213-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2616-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2616-90-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2616-259-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2616-209-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2616-212-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2616-145-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2616-151-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2616-143-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2616-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2616-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2616-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2616-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2616-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2616-144-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2616-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2616-241-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2616-146-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2676-175-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2676-164-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/2676-252-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2676-148-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2676-255-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2676-218-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2676-154-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2824-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2824-71-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

  • memory/2824-104-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2824-61-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/2824-41-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2824-79-0x0000000000320000-0x0000000000322000-memory.dmp

    Filesize

    8KB

  • memory/2824-89-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2824-29-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2824-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2824-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2824-19-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2824-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2824-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB