Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 19:56

General

  • Target

    d5f473d65da8a35dce3068a38bad5a4c8469df15d6e2b984ac75c7bdfd6d4eecN.exe

  • Size

    90KB

  • MD5

    f32ff12600c802ba98ed0a7a017991a0

  • SHA1

    76bc9c1823d68347642fa9b38b5d87070abfe48c

  • SHA256

    d5f473d65da8a35dce3068a38bad5a4c8469df15d6e2b984ac75c7bdfd6d4eec

  • SHA512

    af4d9257b204fcb8a4246bffe115c226e3e2f97eafee8de9fa8791bc6deffc604ea9cf172d88fd92509df6b047ba507c6c786da7badbc75c1ebf5869f09ebce0

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDt:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3X

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modiloader family
  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 20 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\d5f473d65da8a35dce3068a38bad5a4c8469df15d6e2b984ac75c7bdfd6d4eecN.exe
    "C:\Users\Admin\AppData\Local\Temp\d5f473d65da8a35dce3068a38bad5a4c8469df15d6e2b984ac75c7bdfd6d4eecN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4480
    • C:\Users\Admin\AppData\Local\Temp\d5f473d65da8a35dce3068a38bad5a4c8469df15d6e2b984ac75c7bdfd6d4eecN.exe
      "C:\Users\Admin\AppData\Local\Temp\d5f473d65da8a35dce3068a38bad5a4c8469df15d6e2b984ac75c7bdfd6d4eecN.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4120
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CEUQR.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4116
        • 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:1564
      • 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:3684
        • 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:3384
        • 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:2960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    0bf2fc9e06d97b4c3ed769d7c84395f1

    SHA1

    fd8da459333b9024fddb37811e8a656e062139b7

    SHA256

    849289648c0d87d029aed2d8836b09e6740e2bfd36df641ed93305c9f969de2f

    SHA512

    b9351a5f72238140b2b2beca69c8755999a706fee302c9702a0287f68e07ce9cdf8bb7abc91d5bcb031d1de038af56706e3cfe99ebc4260cf228001692858ba2

  • memory/2960-56-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2960-53-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2960-54-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2960-51-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2960-46-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2960-63-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3384-62-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3684-58-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3684-41-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3684-37-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3684-42-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4120-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4120-40-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4120-13-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4120-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4120-61-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4480-12-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4480-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4480-6-0x0000000002B80000-0x0000000002B82000-memory.dmp

    Filesize

    8KB

  • memory/4480-5-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4480-4-0x0000000002B60000-0x0000000002B62000-memory.dmp

    Filesize

    8KB

  • memory/4480-3-0x0000000002B50000-0x0000000002B52000-memory.dmp

    Filesize

    8KB