Analysis

  • max time kernel
    119s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2024 10:18

General

  • Target

    9640ce5f07f09df49776e03420fd668fab7bc3dc7696effd031039cc6b1c7524N.exe

  • Size

    90KB

  • MD5

    8de9f66d28ce34fa3a0199c6a91b2900

  • SHA1

    5d06b9f6ad21517afd50e15c80a9a6acfc450615

  • SHA256

    9640ce5f07f09df49776e03420fd668fab7bc3dc7696effd031039cc6b1c7524

  • SHA512

    984ed9e570e1f4c403bc2c6e0eaefbff6b4f6ea8056abf769a94cc5d8a3ec5c3811e96844a562e0bf375005809ffb666907d0a0804c5f17284109d99aada8d1c

  • 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 family
  • ModiLoader Second Stage 5 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 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 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9640ce5f07f09df49776e03420fd668fab7bc3dc7696effd031039cc6b1c7524N.exe
    "C:\Users\Admin\AppData\Local\Temp\9640ce5f07f09df49776e03420fd668fab7bc3dc7696effd031039cc6b1c7524N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4268
    • C:\Users\Admin\AppData\Local\Temp\9640ce5f07f09df49776e03420fd668fab7bc3dc7696effd031039cc6b1c7524N.exe
      "C:\Users\Admin\AppData\Local\Temp\9640ce5f07f09df49776e03420fd668fab7bc3dc7696effd031039cc6b1c7524N.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3500
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XJHLG.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4456
        • 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:2960
      • 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:2144
        • 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:4008
        • 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:3600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\XJHLG.txt

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    54373d9f0dc05298f7798a730b064bd5

    SHA1

    371b7f8a4353fd44f80afecf9f1644bdae646c76

    SHA256

    b50a749e36488b263216f0acbbb2e22bd5d184e538dac363b98377ea09e68f1f

    SHA512

    4a905a335f8d467a8c09f989d4164d5538f60d999825009c4afcf64f51170b807ab7cf7bfaeaaf1c1e703c89c96122cdaba599de21807c75e4c81f622f45ef42

  • memory/2144-61-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2144-44-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2144-43-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2144-38-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3500-11-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3500-13-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3500-10-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3500-63-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3500-42-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3600-59-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3600-65-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3600-52-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3600-54-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3600-47-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3600-56-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3600-55-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4008-64-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4268-6-0x0000000002A40000-0x0000000002A42000-memory.dmp

    Filesize

    8KB

  • memory/4268-7-0x0000000002A50000-0x0000000002A52000-memory.dmp

    Filesize

    8KB

  • memory/4268-5-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4268-3-0x0000000002A20000-0x0000000002A22000-memory.dmp

    Filesize

    8KB

  • memory/4268-4-0x0000000002A30000-0x0000000002A32000-memory.dmp

    Filesize

    8KB

  • memory/4268-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4268-17-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB