Analysis

  • max time kernel
    119s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 08:41

General

  • Target

    f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe

  • Size

    90KB

  • MD5

    dd5343f3ce84b6961d9e8159ff00b560

  • SHA1

    bad070c2e4518cdead6bd840a5c2164cadf44b90

  • SHA256

    f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570

  • SHA512

    0d9f850d26a570ff83b6d3a43eaa7b868a0e9d718f48481c6759b1d3e09722ebe467fc1fabbc1c5ec6557649faf922b9af46bd5e3ee3bad00bf8d37523ec26be

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD6:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3M

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 25 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\f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe
    "C:\Users\Admin\AppData\Local\Temp\f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2536
    • C:\Users\Admin\AppData\Local\Temp\f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe
      "C:\Users\Admin\AppData\Local\Temp\f0f630218c9ba5c837cb2d806e9bbaff909e0f66b48beadba894178bef660570N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2604
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\KFESI.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1740
        • 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:908
      • 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:1964
        • 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:2112
        • 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:1184

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    4d720ac33b125c8d8dd41c93f8bd7060

    SHA1

    d3bfc500921bfe208ce017868da1d7b55187df51

    SHA256

    406cfef05c10e264ae6942bf6cdc08b42668d4afbecb7879894ecd2532dd657a

    SHA512

    9c5dec219ad7f80868893a775487b3cabe8a276ce0e7bdd8762c315f64d813fdccdcfbe051f1f1585839adf82d920f26d2f23d2d0424973a5aba9f532af407f5

  • memory/1184-266-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1184-254-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1964-256-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1964-232-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1964-160-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/1964-170-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2112-263-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-40-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/2536-107-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2536-102-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2536-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2536-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2536-15-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2536-19-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2536-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2536-80-0x00000000003B0000-0x00000000003B2000-memory.dmp

    Filesize

    8KB

  • memory/2536-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2536-71-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/2536-61-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2536-47-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2536-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2536-28-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/2536-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2536-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2536-104-0x00000000023F0000-0x0000000002443000-memory.dmp

    Filesize

    332KB

  • memory/2604-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-111-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-153-0x0000000003200000-0x0000000003253000-memory.dmp

    Filesize

    332KB

  • memory/2604-152-0x0000000003200000-0x0000000003253000-memory.dmp

    Filesize

    332KB

  • memory/2604-151-0x0000000003200000-0x0000000003253000-memory.dmp

    Filesize

    332KB

  • memory/2604-150-0x0000000003200000-0x0000000003253000-memory.dmp

    Filesize

    332KB

  • memory/2604-157-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-229-0x0000000003200000-0x0000000003253000-memory.dmp

    Filesize

    332KB

  • memory/2604-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-250-0x0000000003200000-0x0000000003253000-memory.dmp

    Filesize

    332KB

  • memory/2604-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-260-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2604-251-0x0000000003200000-0x0000000003253000-memory.dmp

    Filesize

    332KB

  • memory/2604-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2604-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB