Analysis

  • max time kernel
    119s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-01-2025 18:42

General

  • Target

    3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe

  • Size

    90KB

  • MD5

    b4d78bf6898ffcffa37ba3b325567800

  • SHA1

    6d589d2f19c70f8ab67cf8defed971798968189d

  • SHA256

    3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585

  • SHA512

    6d18a2f752666406ce10b12c4caa9241c5f5a60778c8809abd884b21389d1146df98dcb80084e33a70ee22c2aebda1e29f24382ac78a5682b76ce536cfe0efaa

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDR:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3D

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 23 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\3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe
    "C:\Users\Admin\AppData\Local\Temp\3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Users\Admin\AppData\Local\Temp\3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe
      "C:\Users\Admin\AppData\Local\Temp\3366969be3b217c736fd51800395b65bcdbfd49bb45d96bf4ec5867f5db54585.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2632
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\KOTAB.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:868
        • 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:1208
      • 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:2808
        • 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:1996
        • 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:1360

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    d268080de10474ad9cbe8452f25de0f8

    SHA1

    a55afcef07ffe4b6a19e99930ba35cb380d905f6

    SHA256

    bf27eef51bdd879e636bfad1e75177fc2e334079973a8ec11ab93f22f92c6c1c

    SHA512

    4c50067de84ca848083815cb048316b860fac887709e3563d380d58bee83db37ebea62faf9ce6e911ba20df3bdf35377ec6c674c0c42742c76cd7708faa5c7d3

  • memory/1360-263-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1360-253-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1996-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2368-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2368-61-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB

  • memory/2368-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2368-80-0x00000000003E0000-0x00000000003E2000-memory.dmp

    Filesize

    8KB

  • memory/2368-109-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2368-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2368-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2368-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2368-71-0x0000000000340000-0x0000000000341000-memory.dmp

    Filesize

    4KB

  • memory/2368-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2368-49-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2368-40-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2368-28-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2368-18-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2368-102-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2368-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2368-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2632-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2632-217-0x00000000027E0000-0x0000000002833000-memory.dmp

    Filesize

    332KB

  • memory/2632-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2632-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2632-107-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2632-152-0x00000000027E0000-0x0000000002833000-memory.dmp

    Filesize

    332KB

  • memory/2632-151-0x00000000027E0000-0x0000000002833000-memory.dmp

    Filesize

    332KB

  • memory/2632-150-0x00000000027E0000-0x0000000002833000-memory.dmp

    Filesize

    332KB

  • memory/2632-149-0x00000000027E0000-0x0000000002833000-memory.dmp

    Filesize

    332KB

  • memory/2632-148-0x00000000027E0000-0x0000000002833000-memory.dmp

    Filesize

    332KB

  • memory/2632-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2632-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2632-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2632-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2632-216-0x00000000027E0000-0x0000000002833000-memory.dmp

    Filesize

    332KB

  • memory/2632-252-0x00000000027E0000-0x0000000002833000-memory.dmp

    Filesize

    332KB

  • memory/2632-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2632-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2808-254-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2808-218-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2808-159-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2808-169-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2808-180-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB