Analysis

  • max time kernel
    119s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-01-2025 14:18

General

  • Target

    a059fb96e543c3bd5af48f915e6dd6d442637f1d27b45b6f75a0ba86e08bf9dd.exe

  • Size

    90KB

  • MD5

    9793381386531fdc7f821117999b6079

  • SHA1

    bde348d521247b8f3aad8ec52d87b937e53a8861

  • SHA256

    a059fb96e543c3bd5af48f915e6dd6d442637f1d27b45b6f75a0ba86e08bf9dd

  • SHA512

    d8878478b62da94b1528ad01a9a8311e83ce64f38d498af8704098508601064e29e5a0399f232a46aa8d90150f398389ab85b634a0be69bf41173a1a546ab7a9

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD0:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3u

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 24 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\a059fb96e543c3bd5af48f915e6dd6d442637f1d27b45b6f75a0ba86e08bf9dd.exe
    "C:\Users\Admin\AppData\Local\Temp\a059fb96e543c3bd5af48f915e6dd6d442637f1d27b45b6f75a0ba86e08bf9dd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1804
    • C:\Users\Admin\AppData\Local\Temp\a059fb96e543c3bd5af48f915e6dd6d442637f1d27b45b6f75a0ba86e08bf9dd.exe
      "C:\Users\Admin\AppData\Local\Temp\a059fb96e543c3bd5af48f915e6dd6d442637f1d27b45b6f75a0ba86e08bf9dd.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2952
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\VWKWH.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2788
        • 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:2288
      • 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:2916
        • 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:960
        • 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:1948

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    0937129a64b9d7bf29c35b9611a845bd

    SHA1

    9b48e607ae6c3f03628cda822273563b04a383d5

    SHA256

    05ae45aaff5aefb715b640a9971df448e4951c548122d1ca2354f26b173c33df

    SHA512

    8ca3ed9993b2eb79a236e46eb2a95fe646703cdd33089f4183698c6ca32b40adf540731382f7ab09168eaeec9192f51b36074cfa0c64266b0abecaf5015bfa38

  • memory/960-263-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1804-61-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/1804-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/1804-29-0x0000000000200000-0x0000000000201000-memory.dmp

    Filesize

    4KB

  • memory/1804-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1804-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/1804-106-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1804-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/1804-15-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/1804-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1804-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/1804-94-0x0000000002680000-0x00000000026D3000-memory.dmp

    Filesize

    332KB

  • memory/1804-91-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1804-84-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1804-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1804-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1804-80-0x00000000004F0000-0x00000000004F2000-memory.dmp

    Filesize

    8KB

  • memory/1804-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1804-71-0x00000000004D0000-0x00000000004D1000-memory.dmp

    Filesize

    4KB

  • memory/1948-257-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1948-266-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2916-161-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2916-256-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2916-171-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2916-227-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2916-182-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2952-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2952-152-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2952-151-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2952-150-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2952-157-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2952-158-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2952-153-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2952-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2952-111-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2952-219-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2952-218-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2952-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2952-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2952-259-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2952-99-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2952-249-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2952-101-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2952-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB