Analysis

  • max time kernel
    119s
  • max time network
    120s
  • 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 20:00

General

  • Target

    fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe

  • Size

    90KB

  • MD5

    31e70adcfe761de58d23919e65d87a62

  • SHA1

    7de18e24e2640018ceb69217dcdfc45274ee87e4

  • SHA256

    fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430

  • SHA512

    55f2c8c3e6c7aac2c4bdbb9987a4996f534f9e40e73fb507f7864bc6229b0bdb8879b82be1e2864c709f24122f94d7490bc5be7030dbd8d835ab0c6d4e6e9761

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDW:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3E

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 19 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\fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe
    "C:\Users\Admin\AppData\Local\Temp\fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4936
    • C:\Users\Admin\AppData\Local\Temp\fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe
      "C:\Users\Admin\AppData\Local\Temp\fca0c29fb28ee09eee2ab69b8b31b44b285fdcdffd285a8e8fb1822156b3a430.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3508
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\UIJEC.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3964
        • 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:2516
      • 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:3212
        • 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:1284
        • 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:4356

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    317ada1a86b661ff1c1f654398385754

    SHA1

    cf16a9419ac72af62201349dc5b9f4837bc6de31

    SHA256

    4dd97d7abdf5b1f69adef86fb48951df5d64f5fd7d8458c1e331fb8cbccccfd0

    SHA512

    3126e06e26994b19c508ed90026e6be57234df773d05d243f80495d50600cb1eb98d9c0732a30dd67abe262b75817c41d90304597b958fcf85afc5cd856129bb

  • memory/1284-62-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3212-56-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3212-42-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3212-41-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3508-40-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3508-13-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3508-8-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3508-59-0x0000000000410000-0x00000000004D9000-memory.dmp

    Filesize

    804KB

  • memory/3508-61-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3508-10-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4356-58-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4356-63-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4356-55-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4356-47-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4356-52-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4356-57-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4936-6-0x0000000002320000-0x0000000002322000-memory.dmp

    Filesize

    8KB

  • memory/4936-4-0x0000000002310000-0x0000000002312000-memory.dmp

    Filesize

    8KB

  • memory/4936-7-0x0000000002330000-0x0000000002332000-memory.dmp

    Filesize

    8KB

  • memory/4936-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4936-5-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4936-3-0x0000000002300000-0x0000000002302000-memory.dmp

    Filesize

    8KB

  • memory/4936-14-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB