Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    08-05-2024 13:54

General

  • Target

    cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe

  • Size

    90KB

  • MD5

    cdf5fd113dde40d22ae10c54022558e0

  • SHA1

    b71056a270aa0c193c962768114e6b959aa69177

  • SHA256

    bb7b31ac0a920d74271e910ff619ad0d04867be4e1ff6b4643c0bb8513be3f7b

  • SHA512

    285731c8e914819659d88db2dd230f727e808176d032177869ca3fdec3285c0596b00c7e3dda8e50da1a620085d076cfa81d3ae51b1b70f15731f29209e80930

  • 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.

  • ModiLoader Second Stage 1 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\cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2068
    • C:\Users\Admin\AppData\Local\Temp\cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe
      "C:\Users\Admin\AppData\Local\Temp\cdf5fd113dde40d22ae10c54022558e0_NEIKI.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2656
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\PTFDH.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1936
        • 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:2208
      • 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:1940
        • 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:768
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          PID:1476

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    5412663ddd1b59b1f728e50478a46c0b

    SHA1

    e7d28a0300b2e3d4875846b5a971a31ea05a374c

    SHA256

    a7e8ecdf4b395bf69ca1220c3fa35686e8ae8aeb04924bb0ceba557d17e83503

    SHA512

    d250a2b78a0cca7b788af3aa14749bdac3d6d7b7a5b244785f4c33f8ef5f531d18c4cbcf18028cbc734fb9f4812121fe00135e109b62b3d73023e7cfc4d24fa7

  • memory/768-258-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1476-243-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1476-259-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1940-154-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1940-175-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/1940-227-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1940-149-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1940-164-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/1940-250-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2068-77-0x00000000004F0000-0x00000000004F2000-memory.dmp

    Filesize

    8KB

  • memory/2068-87-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2068-88-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2068-102-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2068-59-0x00000000004B0000-0x00000000004B1000-memory.dmp

    Filesize

    4KB

  • memory/2068-69-0x00000000004D0000-0x00000000004D1000-memory.dmp

    Filesize

    4KB

  • memory/2068-95-0x00000000027D0000-0x0000000002823000-memory.dmp

    Filesize

    332KB

  • memory/2068-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2068-27-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2068-39-0x0000000000470000-0x0000000000471000-memory.dmp

    Filesize

    4KB

  • memory/2068-15-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2068-5-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2068-3-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2656-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-145-0x00000000026E0000-0x0000000002733000-memory.dmp

    Filesize

    332KB

  • memory/2656-144-0x00000000026E0000-0x0000000002733000-memory.dmp

    Filesize

    332KB

  • memory/2656-135-0x00000000026E0000-0x0000000002733000-memory.dmp

    Filesize

    332KB

  • memory/2656-146-0x00000000026E0000-0x0000000002733000-memory.dmp

    Filesize

    332KB

  • memory/2656-147-0x00000000026E0000-0x0000000002733000-memory.dmp

    Filesize

    332KB

  • memory/2656-91-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-89-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-253-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2656-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB