Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 04:17

General

  • Target

    87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe

  • Size

    90KB

  • MD5

    8a62fc602f4e04f0fa89b8b2ef77fe20

  • SHA1

    b6d325290e9a187ed3c73d6a04a0e29a7e071be7

  • SHA256

    87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7

  • SHA512

    fc52d803840999349c3b94b460c090d5b67a7fab05ddffaa91b64e7a4346109543b162c0697f689abd110a1859f446cf5244deffe871117cdf18f712503f29a6

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDn: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 21 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\87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe
    "C:\Users\Admin\AppData\Local\Temp\87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1944
    • C:\Users\Admin\AppData\Local\Temp\87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe
      "C:\Users\Admin\AppData\Local\Temp\87b1d1a4d5202dd68eea705ffdba95f0ca1f8f0c96d2d0d261d2fe8a67483fc7N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2736
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\RWHFJ.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1304
        • 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:708
      • 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:580
        • 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:1328
        • 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:2256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    206e09d3605e447a631b1fcaaa698c33

    SHA1

    368444d09ca23881a19d9e38546a48cea084e483

    SHA256

    3e548ce1a2d7c4ffdff383e0c83802135da7f416d8598d5a93abcdd140392299

    SHA512

    0ecac64caebb50219e222e37e680da8d9dd8d88bb2900d39ed6bcb9b5a5acf9b4db4159ebf79decaf62662013c2fd6d6873011abe73ceb6ffa616b73a0a9c6cb

  • memory/580-217-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/580-177-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/580-166-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/580-156-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/580-250-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1328-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1328-253-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1944-71-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

  • memory/1944-79-0x0000000000320000-0x0000000000322000-memory.dmp

    Filesize

    8KB

  • memory/1944-95-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1944-105-0x0000000001D90000-0x0000000001DE3000-memory.dmp

    Filesize

    332KB

  • memory/1944-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/1944-41-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/1944-61-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/1944-101-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1944-100-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1944-29-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/1944-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/1944-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1944-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1944-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1944-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2256-254-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2256-262-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2736-89-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2736-148-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/2736-147-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/2736-153-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2736-149-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/2736-134-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/2736-216-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/2736-213-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/2736-212-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/2736-203-0x0000000003240000-0x0000000003293000-memory.dmp

    Filesize

    332KB

  • memory/2736-91-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2736-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2736-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2736-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2736-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2736-260-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2736-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2736-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB