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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/01/2025, 14:45

General

  • Target

    f883ac8c7fee02b1acf75b51f04f7367a82d85eff503d2d5db9c40496969dfea.exe

  • Size

    90KB

  • MD5

    3f667b7a1b17fffa4cabe48898adb95f

  • SHA1

    10ab9afe4171d689ce72f10f261a66b3502daf24

  • SHA256

    f883ac8c7fee02b1acf75b51f04f7367a82d85eff503d2d5db9c40496969dfea

  • SHA512

    801823e644807af47d7b604dee5f343cde97f436942b64a320d322d4f1824b250d9f3f7958cf91b3bcff2b51b92065a45e29ab3a0eae455947575cf68c182e5b

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDh:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3j

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\f883ac8c7fee02b1acf75b51f04f7367a82d85eff503d2d5db9c40496969dfea.exe
    "C:\Users\Admin\AppData\Local\Temp\f883ac8c7fee02b1acf75b51f04f7367a82d85eff503d2d5db9c40496969dfea.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3548
    • C:\Users\Admin\AppData\Local\Temp\f883ac8c7fee02b1acf75b51f04f7367a82d85eff503d2d5db9c40496969dfea.exe
      "C:\Users\Admin\AppData\Local\Temp\f883ac8c7fee02b1acf75b51f04f7367a82d85eff503d2d5db9c40496969dfea.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1764
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DIXYV.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1272
        • 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:3148
      • 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:2716
        • 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:4524
        • 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:2308

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    8710f169f200acfb582931acd3e859c3

    SHA1

    d71e14703fee236fffa4851d560ceb0f8fa54942

    SHA256

    4fff742f68a6c5cc81d5cd785cc97703c585f6ef507e395b9d7d33d48eb460f7

    SHA512

    73226534c168401ef3b824effc2ac20cc01f95c7ff36676bc092f566b4e186e6fb2e9ae72481de387ccea597fd5ef9c5ad96f41fa98de371c3877793f3490e7c

  • memory/1764-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1764-59-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1764-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1764-13-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1764-39-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2308-45-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2308-61-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2308-53-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2308-57-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2308-55-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2308-50-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2716-41-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2716-40-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2716-54-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3548-5-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3548-3-0x0000000002A40000-0x0000000002A42000-memory.dmp

    Filesize

    8KB

  • memory/3548-4-0x0000000002B60000-0x0000000002B62000-memory.dmp

    Filesize

    8KB

  • memory/3548-12-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3548-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3548-6-0x0000000002B80000-0x0000000002B82000-memory.dmp

    Filesize

    8KB

  • memory/4524-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB