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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
    01/01/2025, 16:54

General

  • Target

    99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe

  • Size

    90KB

  • MD5

    1483e0b53896b683908281d8a2060fd0

  • SHA1

    2553a9e5459189588683e34dbef7825559e10099

  • SHA256

    99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400

  • SHA512

    4e508e0ff1575481547f5665c9c1772782af8eb616b81d621772f6cededdb6082d3b1f5f5529f51cdfba6c951744b6f45252474bfe752f07f1365429ca1df240

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDN:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE33

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\99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe
    "C:\Users\Admin\AppData\Local\Temp\99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Users\Admin\AppData\Local\Temp\99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe
      "C:\Users\Admin\AppData\Local\Temp\99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1580
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HRNIY.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:880
        • 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:3456
      • 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:780
        • 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:980
        • 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:3592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    e46ea6bc99f0bdef6ecd87f8dab70364

    SHA1

    119311a6a3bdd5e758c35714e3fb2e23f025d224

    SHA256

    dcdafd832884ee069b92fd1389a315901e9f795d6917e4814149214e21b37aa2

    SHA512

    905b4314883ecdc64c50aac7a8422f25418a8f24fceacb4546c1d9ca42267275292a6b96cc730988bedd129c180500272f5069c41b9c3aeb4c6003289739ecfa

  • memory/780-57-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/780-41-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/780-40-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/980-61-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1580-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1580-58-0x0000000000410000-0x00000000004D9000-memory.dmp

    Filesize

    804KB

  • memory/1580-13-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1580-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1580-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1580-39-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2032-4-0x0000000002B70000-0x0000000002B72000-memory.dmp

    Filesize

    8KB

  • memory/2032-5-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2032-12-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2032-6-0x0000000002B90000-0x0000000002B92000-memory.dmp

    Filesize

    8KB

  • memory/2032-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2032-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

    Filesize

    8KB

  • memory/3592-47-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3592-51-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3592-52-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3592-54-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3592-55-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3592-62-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB