Analysis

  • max time kernel
    119s
  • max time network
    29s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 01:52

General

  • Target

    aebdd0b83c5c3af09fb9b21c290f43ff5565ad9606da56939fc20c681a6e1fefN.exe

  • Size

    90KB

  • MD5

    74b4861c30460d6d9b4e2e939ae1be20

  • SHA1

    73cc24e54b4854336efe6c080fcb3c596ec7a040

  • SHA256

    aebdd0b83c5c3af09fb9b21c290f43ff5565ad9606da56939fc20c681a6e1fef

  • SHA512

    7c9233fd42a5aefa98a6ecac56ae3afd25eb72203e7783a97903571ecbad96a8f687d91ae841ac39efd75c84ab41a917261e7c2289144a3f0fffdc3994ec99f3

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD6:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3A

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 27 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 63 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aebdd0b83c5c3af09fb9b21c290f43ff5565ad9606da56939fc20c681a6e1fefN.exe
    "C:\Users\Admin\AppData\Local\Temp\aebdd0b83c5c3af09fb9b21c290f43ff5565ad9606da56939fc20c681a6e1fefN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Users\Admin\AppData\Local\Temp\aebdd0b83c5c3af09fb9b21c290f43ff5565ad9606da56939fc20c681a6e1fefN.exe
      "C:\Users\Admin\AppData\Local\Temp\aebdd0b83c5c3af09fb9b21c290f43ff5565ad9606da56939fc20c681a6e1fefN.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2796
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\NBCXT.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1520
        • 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:3060
      • 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:1876
        • 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:272
        • 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:2432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    9f0c4cc00b100b57f238527c5f2bc5d1

    SHA1

    c4fe8ed2ad07c81c0615b4779165e0104d1bdda8

    SHA256

    980ac6c6941900d6d7224e2959cada2fb2b0ef595b3051c48a9600c8950f591b

    SHA512

    d745c4415962a458d6cf7483b98c7a77f2ca5b963b214abbd48a39e491ca5ae964e125b261d80c6c7385a603b3ad597455a26732015ac57cbe92c61054e4f96f

  • memory/272-266-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1876-257-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1876-187-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/1876-223-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1876-176-0x0000000000330000-0x0000000000331000-memory.dmp

    Filesize

    4KB

  • memory/1876-166-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/1876-163-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2104-63-0x0000000000330000-0x0000000000331000-memory.dmp

    Filesize

    4KB

  • memory/2104-30-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2104-106-0x00000000025E0000-0x0000000002633000-memory.dmp

    Filesize

    332KB

  • memory/2104-4-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2104-7-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2104-5-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2104-18-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2104-16-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2104-86-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2104-85-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2104-83-0x00000000003F0000-0x00000000003F2000-memory.dmp

    Filesize

    8KB

  • memory/2104-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2104-71-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2104-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2104-48-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2104-91-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2104-93-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2104-42-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/2104-114-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2104-74-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/2432-255-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2432-269-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2796-155-0x0000000002A00000-0x0000000002A53000-memory.dmp

    Filesize

    332KB

  • memory/2796-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2796-113-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2796-154-0x0000000002A00000-0x0000000002A53000-memory.dmp

    Filesize

    332KB

  • memory/2796-160-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2796-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2796-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2796-156-0x00000000029F0000-0x0000000002A43000-memory.dmp

    Filesize

    332KB

  • memory/2796-99-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2796-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2796-153-0x00000000029F0000-0x0000000002A43000-memory.dmp

    Filesize

    332KB

  • memory/2796-103-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2796-265-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2796-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2796-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB