Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 10:18

General

  • Target

    9640ce5f07f09df49776e03420fd668fab7bc3dc7696effd031039cc6b1c7524N.exe

  • Size

    90KB

  • MD5

    8de9f66d28ce34fa3a0199c6a91b2900

  • SHA1

    5d06b9f6ad21517afd50e15c80a9a6acfc450615

  • SHA256

    9640ce5f07f09df49776e03420fd668fab7bc3dc7696effd031039cc6b1c7524

  • SHA512

    984ed9e570e1f4c403bc2c6e0eaefbff6b4f6ea8056abf769a94cc5d8a3ec5c3811e96844a562e0bf375005809ffb666907d0a0804c5f17284109d99aada8d1c

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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 21 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\9640ce5f07f09df49776e03420fd668fab7bc3dc7696effd031039cc6b1c7524N.exe
    "C:\Users\Admin\AppData\Local\Temp\9640ce5f07f09df49776e03420fd668fab7bc3dc7696effd031039cc6b1c7524N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1900
    • C:\Users\Admin\AppData\Local\Temp\9640ce5f07f09df49776e03420fd668fab7bc3dc7696effd031039cc6b1c7524N.exe
      "C:\Users\Admin\AppData\Local\Temp\9640ce5f07f09df49776e03420fd668fab7bc3dc7696effd031039cc6b1c7524N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2968
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\GCYXB.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1932
        • 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:700
      • 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:2932
        • 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:1820
        • 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:2020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    bf9e6efd2588708259f229ac7f56b0f7

    SHA1

    d67a9c5932d4d9393b12a11fe1d30b9d846878d8

    SHA256

    8b321eec263006d279c3746e68f2db73491af4c681d3637e76763673c8cd0673

    SHA512

    a601f48adb7c4705f838eab1e9d444a78c9221e151861408646cf94cd7a026399cbbd79590aa2d50e41b633d4e62100f30ae80b0bb99a2caa8672bd5c1b0a45a

  • memory/1820-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1900-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1900-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/1900-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/1900-79-0x0000000001D00000-0x0000000001D02000-memory.dmp

    Filesize

    8KB

  • memory/1900-89-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1900-41-0x0000000000600000-0x0000000000601000-memory.dmp

    Filesize

    4KB

  • memory/1900-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1900-61-0x0000000001CC0000-0x0000000001CC1000-memory.dmp

    Filesize

    4KB

  • memory/1900-100-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1900-29-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/1900-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/1900-15-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/1900-71-0x0000000001CE0000-0x0000000001CE1000-memory.dmp

    Filesize

    4KB

  • memory/2020-255-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2020-264-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2932-178-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2932-225-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2932-248-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2932-157-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2932-167-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2968-154-0x0000000003140000-0x0000000003193000-memory.dmp

    Filesize

    332KB

  • memory/2968-220-0x0000000003140000-0x0000000003193000-memory.dmp

    Filesize

    332KB

  • memory/2968-149-0x0000000003140000-0x0000000003193000-memory.dmp

    Filesize

    332KB

  • memory/2968-148-0x0000000003140000-0x0000000003193000-memory.dmp

    Filesize

    332KB

  • memory/2968-147-0x0000000003140000-0x0000000003193000-memory.dmp

    Filesize

    332KB

  • memory/2968-146-0x0000000003140000-0x0000000003193000-memory.dmp

    Filesize

    332KB

  • memory/2968-145-0x0000000003140000-0x0000000003193000-memory.dmp

    Filesize

    332KB

  • memory/2968-153-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2968-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2968-90-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2968-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2968-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2968-214-0x0000000003140000-0x0000000003193000-memory.dmp

    Filesize

    332KB

  • memory/2968-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2968-223-0x0000000003140000-0x0000000003193000-memory.dmp

    Filesize

    332KB

  • memory/2968-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2968-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2968-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2968-235-0x0000000003140000-0x0000000003193000-memory.dmp

    Filesize

    332KB

  • memory/2968-257-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2968-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2968-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB