Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-09-2024 07:45

General

  • Target

    79ca75cb4c62a0fdddc1418401960c71cc284f79a682971b80db3d672e34e393N.exe

  • Size

    90KB

  • MD5

    8e40864e3f7710a17e8f8a3d6902d590

  • SHA1

    4b978f4953ee45a570d2bfdf23ced07b641d5e3a

  • SHA256

    79ca75cb4c62a0fdddc1418401960c71cc284f79a682971b80db3d672e34e393

  • SHA512

    c61b278894d9064e416a1d4ad36baa641226cb1352b183c99d8631f20c6046370eab388b49dda8778dcf9e629e10e71da23d544362387d695306524a00795f80

  • 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 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 25 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\79ca75cb4c62a0fdddc1418401960c71cc284f79a682971b80db3d672e34e393N.exe
    "C:\Users\Admin\AppData\Local\Temp\79ca75cb4c62a0fdddc1418401960c71cc284f79a682971b80db3d672e34e393N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Users\Admin\AppData\Local\Temp\79ca75cb4c62a0fdddc1418401960c71cc284f79a682971b80db3d672e34e393N.exe
      "C:\Users\Admin\AppData\Local\Temp\79ca75cb4c62a0fdddc1418401960c71cc284f79a682971b80db3d672e34e393N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2576
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\NHMJJ.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:536
        • 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:2848
      • 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:2908
        • 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:1672
        • 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:996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    e7c40fd530005a737e163718c3430e02

    SHA1

    46f438ac1699b30a5b50abdabe95a2b7ac88ade3

    SHA256

    7a93f7b29d8be7ad911e44b1673aed22fbbdcdbb1498533d866bce27c91f14a9

    SHA512

    b060ec7b1b5cbd304a08752bd9780e344d69c7bf3e574d7a8cdac57ef39d392310faa677733b417c7a389efb0145826495fdff2718a43eb03711b23c49553e2c

  • memory/996-268-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/996-257-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1672-238-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1672-265-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2324-29-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-80-0x0000000000480000-0x0000000000482000-memory.dmp

    Filesize

    8KB

  • memory/2324-28-0x0000000000330000-0x0000000000331000-memory.dmp

    Filesize

    4KB

  • memory/2324-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-106-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-15-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2324-97-0x0000000002650000-0x00000000026A3000-memory.dmp

    Filesize

    332KB

  • memory/2324-89-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2324-18-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2324-71-0x0000000000460000-0x0000000000461000-memory.dmp

    Filesize

    4KB

  • memory/2324-61-0x00000000003A0000-0x00000000003A1000-memory.dmp

    Filesize

    4KB

  • memory/2324-41-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2324-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2324-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2324-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2576-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2576-216-0x00000000031A0000-0x00000000031F3000-memory.dmp

    Filesize

    332KB

  • memory/2576-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2576-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2576-149-0x00000000031A0000-0x00000000031F3000-memory.dmp

    Filesize

    332KB

  • memory/2576-148-0x00000000031A0000-0x00000000031F3000-memory.dmp

    Filesize

    332KB

  • memory/2576-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2576-152-0x00000000031A0000-0x00000000031F3000-memory.dmp

    Filesize

    332KB

  • memory/2576-151-0x00000000031A0000-0x00000000031F3000-memory.dmp

    Filesize

    332KB

  • memory/2576-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2576-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2576-264-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2576-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2576-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2576-235-0x00000000031A0000-0x00000000031F3000-memory.dmp

    Filesize

    332KB

  • memory/2576-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2576-237-0x00000000031A0000-0x00000000031F3000-memory.dmp

    Filesize

    332KB

  • memory/2576-254-0x00000000031A0000-0x00000000031F3000-memory.dmp

    Filesize

    332KB

  • memory/2908-255-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2908-169-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2908-261-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2908-217-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2908-180-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2908-159-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2908-153-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB