Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 06:56

General

  • Target

    a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe

  • Size

    90KB

  • MD5

    a584aff03dc66ca91787b45825d1d057

  • SHA1

    ef8aa36b2583420fcb1db807d10e0508ab12c43b

  • SHA256

    a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf

  • SHA512

    88fd87256357bf819dafe6a8a7abb2b5b88f67bfbb3a55735c187826e0b1c6c8540512b151e3b517ba5b8563fd5c51ee047bdd4114debc28af9c3489ad282388

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD3:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3V

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modiloader family
  • ModiLoader Second Stage 2 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 22 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\a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe
    "C:\Users\Admin\AppData\Local\Temp\a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Users\Admin\AppData\Local\Temp\a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe
      "C:\Users\Admin\AppData\Local\Temp\a296417cb77089c0f2be7aeaa0949f54a3df271ee48a5c033400d6d8ac6b4bbf.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2776
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\HSXTH.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1424
        • 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:2924
      • 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:688
        • 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:1920
        • 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\HSXTH.bat

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    6b4d0fdd10b828c5572a26b9904dc7b4

    SHA1

    6e47cf74397b1d3b801ccadea9dea3f1c1163d8a

    SHA256

    f6e6ffed1b26fa2679f3bc8aaf49507bfeb06fe4c8c0c20276519194a2059958

    SHA512

    cfa5484b0031716fa7968dc20270432aabffa983996211042c6310af4a061e8287bbc8156bb1dd101c8aec8de95dce10dbd18cf97ce44f7711f4a5fc88a51f72

  • memory/688-256-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/688-157-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/688-167-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/688-178-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/688-151-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/688-213-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1732-91-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1732-29-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/1732-102-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1732-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1732-15-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/1732-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1732-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1732-86-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1732-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1732-79-0x00000000003E0000-0x00000000003E2000-memory.dmp

    Filesize

    8KB

  • memory/1732-71-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/1732-61-0x00000000003A0000-0x00000000003A1000-memory.dmp

    Filesize

    4KB

  • memory/1732-41-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/1732-105-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1732-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/1732-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1920-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2020-263-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2020-253-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2776-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2776-147-0x0000000003280000-0x00000000032D3000-memory.dmp

    Filesize

    332KB

  • memory/2776-148-0x0000000003280000-0x00000000032D3000-memory.dmp

    Filesize

    332KB

  • memory/2776-154-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2776-149-0x0000000003280000-0x00000000032D3000-memory.dmp

    Filesize

    332KB

  • memory/2776-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2776-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2776-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2776-205-0x0000000003280000-0x00000000032D3000-memory.dmp

    Filesize

    332KB

  • memory/2776-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2776-252-0x0000000003280000-0x00000000032D3000-memory.dmp

    Filesize

    332KB

  • memory/2776-251-0x0000000003280000-0x00000000032D3000-memory.dmp

    Filesize

    332KB

  • memory/2776-250-0x0000000003280000-0x00000000032D3000-memory.dmp

    Filesize

    332KB

  • memory/2776-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2776-254-0x0000000003280000-0x00000000032D3000-memory.dmp

    Filesize

    332KB

  • memory/2776-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2776-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2776-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB