Analysis

  • max time kernel
    119s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2024, 15:03

General

  • Target

    e323cd931e336f684b1e061f2a34e5a0N.exe

  • Size

    90KB

  • MD5

    e323cd931e336f684b1e061f2a34e5a0

  • SHA1

    e81463413fb6954500899edfb3c2b2a22b1829a2

  • SHA256

    ccab43ad00dd51272ef60039043a9ce25aa6a03941f9a65142343d96d8918e39

  • SHA512

    d6fb2396e02635f72507a47fd38691ad8d522b2687d0937d50c348baf6272898692755bd89d7c934fda5ffd3353b5cee02007606e1abd63c4c70f7cf7d2dcaeb

  • 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 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • UPX packed file 20 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).

  • 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\e323cd931e336f684b1e061f2a34e5a0N.exe
    "C:\Users\Admin\AppData\Local\Temp\e323cd931e336f684b1e061f2a34e5a0N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3188
    • C:\Users\Admin\AppData\Local\Temp\e323cd931e336f684b1e061f2a34e5a0N.exe
      "C:\Users\Admin\AppData\Local\Temp\e323cd931e336f684b1e061f2a34e5a0N.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3332
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RVHIF.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4940
        • 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:5008
      • 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:3584
        • 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:2928
        • 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:1572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    d33bb9a1566a6c76601b204718a6dc34

    SHA1

    5a0edc13a4b211e438194dd50898210c326d6aa0

    SHA256

    b9f1b2b2a6e6299fb1f09ef007f858e2970a8ec30756de6cd7ad34a89b038d83

    SHA512

    9e9c6ddd790ec984df551bcd768b38c5aefc867195952697efefe08380a7700ba17df8bc7ee688ad87b1e54bfaf33f0ff7e7480f6ff3cde49054ec4c77dd51f7

  • memory/1572-55-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1572-46-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1572-53-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1572-57-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1572-62-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1572-51-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2928-61-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3188-11-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3188-6-0x0000000002B90000-0x0000000002B92000-memory.dmp

    Filesize

    8KB

  • memory/3188-5-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3188-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3188-4-0x0000000002B70000-0x0000000002B72000-memory.dmp

    Filesize

    8KB

  • memory/3188-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

    Filesize

    8KB

  • memory/3332-40-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3332-13-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3332-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3332-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3332-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3584-42-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3584-41-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3584-56-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3584-36-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB