Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 23:29

General

  • Target

    8093632cf432033dda2faec6084a0ea59b363b3a8d095390021ef19410e11c51N.exe

  • Size

    90KB

  • MD5

    fb19c4cb9f456eb243c41737e5f89120

  • SHA1

    b8c1d4c545865f6b9c49f4746fd6cdabad57d5da

  • SHA256

    8093632cf432033dda2faec6084a0ea59b363b3a8d095390021ef19410e11c51

  • SHA512

    d8e50b9c405c8597187c48e27a6bf9409200a3e02634787bb4cc0a53808d8440a2a4356e4dbb92db0a0d8f37844161948ca993bf02482f50bee522c43fb0f1b6

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDy:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3w

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modiloader family
  • ModiLoader Second Stage 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 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 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8093632cf432033dda2faec6084a0ea59b363b3a8d095390021ef19410e11c51N.exe
    "C:\Users\Admin\AppData\Local\Temp\8093632cf432033dda2faec6084a0ea59b363b3a8d095390021ef19410e11c51N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2452
    • C:\Users\Admin\AppData\Local\Temp\8093632cf432033dda2faec6084a0ea59b363b3a8d095390021ef19410e11c51N.exe
      "C:\Users\Admin\AppData\Local\Temp\8093632cf432033dda2faec6084a0ea59b363b3a8d095390021ef19410e11c51N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2700
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\FUVSB.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2648
        • 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:2836
      • 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:264
        • 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:1576
        • 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:1860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\FUVSB.bat

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    6781af3004bf5e777cbe1c7e3a1df5f7

    SHA1

    1d98b88ff90f5b9f13fdd972efe9bf4ed6860f6b

    SHA256

    853aa2a768f5b92c6374c03ccf546dbdf50a4e6516e5d3b41f9abfebe1c81cd5

    SHA512

    4a00fb805235aab856f0f12d1894bb707a5ba5b0342000990f408ac254f02f9e3fb677fed48998d5bce331f459897a959340b4560a6e4b5fbbf608060ccbf67e

  • memory/264-245-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/264-173-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/264-197-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/264-162-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/264-152-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/264-146-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1576-251-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1860-254-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1860-241-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2452-89-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2452-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2452-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2452-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2452-13-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2452-16-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/2452-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2452-29-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2452-106-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2452-71-0x00000000005B0000-0x00000000005B1000-memory.dmp

    Filesize

    4KB

  • memory/2452-61-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/2452-103-0x0000000001EE0000-0x0000000001F33000-memory.dmp

    Filesize

    332KB

  • memory/2452-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2452-79-0x0000000000610000-0x0000000000612000-memory.dmp

    Filesize

    8KB

  • memory/2700-149-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2700-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2700-90-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2700-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2700-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2700-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2700-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2700-250-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2700-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2700-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB