Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-05-2024 16:41

General

  • Target

    df90303b419a6e98df4cf992845f0380_NEAS.exe

  • Size

    90KB

  • MD5

    df90303b419a6e98df4cf992845f0380

  • SHA1

    b93a69134b7243f89c274e538ea6e50cc625f4cc

  • SHA256

    32ff70c4f0a9d2aab2447b0a5646efb6ef674a21e3c2f349c054d1aa3e8c7c82

  • SHA512

    a7c0b997e31675538c9a8d70fbba8c36fda6b5b9daeb72b5b4d977f3cfbdd7cdb8bb2865e6c6abb5b3657e4acad13e40ab3872b2167c8f3e440e9dbfd90d820b

  • 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 24 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\df90303b419a6e98df4cf992845f0380_NEAS.exe
    "C:\Users\Admin\AppData\Local\Temp\df90303b419a6e98df4cf992845f0380_NEAS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1888
    • C:\Users\Admin\AppData\Local\Temp\df90303b419a6e98df4cf992845f0380_NEAS.exe
      "C:\Users\Admin\AppData\Local\Temp\df90303b419a6e98df4cf992845f0380_NEAS.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2740
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\JXYAK.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2284
        • 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:2572
      • 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:892
        • 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:596
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          PID:988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    fe9c09de96abec344de3389366c12c1d

    SHA1

    c004660b89e1247ae29489009e8a9bb9891b41e8

    SHA256

    290d4eb88f4716760d3ead588b041ab5f94a59ac3b1bc6931641b5b31a64f4d1

    SHA512

    96af91dbb2080d77acd83abd42e25b6a944f29bd4e88c9e35ba2d91e0bfc827490870ef0658cdac0176e57d08a10674a1357799f1f271ba6b8707d64b0368d15

  • memory/596-263-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/892-246-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/892-249-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/892-168-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/892-179-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/892-158-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/892-153-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/988-262-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/988-247-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1888-104-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1888-70-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB

  • memory/1888-15-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/1888-5-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/1888-93-0x0000000002600000-0x0000000002653000-memory.dmp

    Filesize

    332KB

  • memory/1888-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1888-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1888-79-0x0000000000340000-0x0000000000342000-memory.dmp

    Filesize

    8KB

  • memory/1888-78-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1888-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1888-60-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

  • memory/1888-51-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/1888-39-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/1888-27-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/1888-3-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/1888-85-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1888-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2740-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2740-152-0x0000000003310000-0x0000000003363000-memory.dmp

    Filesize

    332KB

  • memory/2740-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2740-151-0x0000000003310000-0x0000000003363000-memory.dmp

    Filesize

    332KB

  • memory/2740-150-0x0000000003310000-0x0000000003363000-memory.dmp

    Filesize

    332KB

  • memory/2740-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2740-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2740-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2740-148-0x0000000003310000-0x0000000003363000-memory.dmp

    Filesize

    332KB

  • memory/2740-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2740-111-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2740-254-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2740-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2740-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB