Analysis

  • max time kernel
    149s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2024 11:46

General

  • Target

    4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe

  • Size

    90KB

  • MD5

    ae0c03317d754217f181817dc7b73506

  • SHA1

    8d5a7ea8592c40739ca3048caad1f90572c1e3cf

  • SHA256

    4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b

  • SHA512

    8ca235fe2d486b2a2a2112c0147ebc3753f5d69247d6c994dcedf353b9acdbde134a567d66e9958c693610a367aacf34d8b453f265b33169f3e7cd591c30c9c8

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDJ: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 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 26 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\4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe
    "C:\Users\Admin\AppData\Local\Temp\4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1856
    • C:\Users\Admin\AppData\Local\Temp\4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe
      "C:\Users\Admin\AppData\Local\Temp\4da07e7f4712d65e6982d0ee6de7ad6423149e22aaf0a9817bfc221f3a16511b.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2024
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\OSECG.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1904
        • 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:3028
      • 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:2176
        • 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:1936
        • 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:1356

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    12f5c035e52e9450a46b81854736ef7f

    SHA1

    31b7113935de8833c7dcb96d4a11f4a2ae03d070

    SHA256

    5005f8bee185e5b21bf873416b3d4a8e33814675c1d79cc767f9e124047c5fb0

    SHA512

    8096a18eea69ce946c3f697602ba785f3216935d1dd804a02be8f0cd18d6c1dad34901a6aa92df20ca3ece80e876774c4a07fc54f0aafcd4c22b11df75944c12

  • memory/1356-270-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1356-258-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1856-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1856-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1856-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/1856-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1856-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/1856-156-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1856-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1856-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1856-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1856-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1856-80-0x00000000003E0000-0x00000000003E2000-memory.dmp

    Filesize

    8KB

  • memory/1856-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1856-73-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1856-70-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/1856-60-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/1856-40-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/1856-28-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/1936-249-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1936-267-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2024-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2024-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2024-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2024-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2024-151-0x0000000002590000-0x00000000025E3000-memory.dmp

    Filesize

    332KB

  • memory/2024-150-0x00000000025A0000-0x00000000025F3000-memory.dmp

    Filesize

    332KB

  • memory/2024-149-0x00000000025A0000-0x00000000025F3000-memory.dmp

    Filesize

    332KB

  • memory/2024-148-0x00000000025A0000-0x00000000025F3000-memory.dmp

    Filesize

    332KB

  • memory/2024-147-0x0000000002590000-0x00000000025E3000-memory.dmp

    Filesize

    332KB

  • memory/2024-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2024-157-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2024-158-0x0000000002590000-0x00000000025E3000-memory.dmp

    Filesize

    332KB

  • memory/2024-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2024-248-0x0000000002590000-0x00000000025E3000-memory.dmp

    Filesize

    332KB

  • memory/2024-220-0x00000000025A0000-0x00000000025F3000-memory.dmp

    Filesize

    332KB

  • memory/2024-217-0x00000000025A0000-0x00000000025F3000-memory.dmp

    Filesize

    332KB

  • memory/2024-208-0x00000000025A0000-0x00000000025F3000-memory.dmp

    Filesize

    332KB

  • memory/2024-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2024-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2024-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2176-256-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2176-171-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2176-182-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2176-257-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2176-221-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2176-161-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2176-153-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB