Analysis

  • max time kernel
    119s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2024, 10:50

General

  • Target

    da3505eaad307f1d54c3d47a21a6ca4649c50c933505218de683bf5416cc466eN.exe

  • Size

    90KB

  • MD5

    901a2a3c7e0f90638c1efdc0bf0475b0

  • SHA1

    e1a38c2dd51bdb9c5186b70b4ec6a46dc6f18e50

  • SHA256

    da3505eaad307f1d54c3d47a21a6ca4649c50c933505218de683bf5416cc466e

  • SHA512

    74134f2c48d2b16330a31be6cf744f918ec73b15424ff186b91fb5cdf1289b84e37a7316cce682b13928f781d14ab01e7e1b5b2fd2861f8f937982851a3ae8c0

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDb:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3l

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 24 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\da3505eaad307f1d54c3d47a21a6ca4649c50c933505218de683bf5416cc466eN.exe
    "C:\Users\Admin\AppData\Local\Temp\da3505eaad307f1d54c3d47a21a6ca4649c50c933505218de683bf5416cc466eN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Users\Admin\AppData\Local\Temp\da3505eaad307f1d54c3d47a21a6ca4649c50c933505218de683bf5416cc466eN.exe
      "C:\Users\Admin\AppData\Local\Temp\da3505eaad307f1d54c3d47a21a6ca4649c50c933505218de683bf5416cc466eN.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1064
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\DYVUY.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2004
        • 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:1948
      • 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:1684
        • 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:1616
        • 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:3016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    e88361848fd568c442fb7b59d7d415b9

    SHA1

    a696b2f2f7dbe9e9f467d35407ee0bc3e030a42a

    SHA256

    d92af854ffe87af6d5998c43eca9637effa8dc6da13cd62c88c70475569b71c1

    SHA512

    fcfacedc4d601aafff8126c1938e8bdc88f69ac69833ac773c42c6a5fd40519158959355b8cc5d5925edb73abf6476eaea9be102c24f7928df4a086c755c2df3

  • memory/1064-154-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1064-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1064-213-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/1064-216-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/1064-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1064-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1064-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1064-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1064-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1064-212-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/1064-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1064-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1064-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1064-147-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/1064-148-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/1064-149-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/1064-134-0x0000000002720000-0x0000000002773000-memory.dmp

    Filesize

    332KB

  • memory/1064-257-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1616-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1684-217-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1684-178-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1684-251-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1684-254-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1684-167-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/1684-157-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2236-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2236-28-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2236-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2236-102-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2236-153-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2236-78-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2236-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2236-91-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2236-80-0x0000000000320000-0x0000000000322000-memory.dmp

    Filesize

    8KB

  • memory/2236-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2236-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2236-70-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

  • memory/2236-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2236-60-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/2236-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2236-40-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/3016-252-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3016-264-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB