Analysis

  • max time kernel
    119s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    13-01-2025 09:41

General

  • Target

    aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe

  • Size

    90KB

  • MD5

    9792a07f9595a831064dc3733fba6b20

  • SHA1

    6d41823f1eaf56861ac717dd66aeaaa6857a2961

  • SHA256

    aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44a

  • SHA512

    4c6aa056631ea0c61028e623b02d4b6c1dc028db5d5d53b63469b0f7f0bcc90f2b90b5aba8639575a1da059064c8157e1f88fca688f8821ccd9daf5a4fa1af1a

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDO:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Q

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\aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe
    "C:\Users\Admin\AppData\Local\Temp\aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2140
    • C:\Users\Admin\AppData\Local\Temp\aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe
      "C:\Users\Admin\AppData\Local\Temp\aca4b0c5f31617ec1955d62248372e68278836ddcbcb97fc82a945d0f89ed44aN.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2820
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\FBXWA.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1856
        • 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:1784
      • 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:1728
        • 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:2396
        • 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:2600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    e93fb01e7d69a6cfcd702fed8c142dbe

    SHA1

    c59d04b9c0d8acfef0ca1d0f0409e7be5b124da9

    SHA256

    5174e6b9cc7da631c42eb974166621d389233630e87a86c278235b1dbc4d3390

    SHA512

    2d735a8b4be858ab40b02543a078ee81bdfc3523744d75c9c4d8639faf5f142bb62620a994242ceac157fbbe9fd20b5fbdacbb0ddbd8942c18fd70631842eafc

  • memory/1728-257-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1728-156-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1728-174-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1728-179-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/1728-166-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2140-40-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/2140-14-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2140-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2140-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2140-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2140-80-0x00000000003F0000-0x00000000003F2000-memory.dmp

    Filesize

    8KB

  • memory/2140-16-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2140-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2140-152-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2140-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2140-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2140-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2140-73-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2140-70-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2140-60-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/2140-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2140-28-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2396-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2396-252-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2600-253-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2600-262-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2820-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2820-246-0x00000000025C0000-0x0000000002613000-memory.dmp

    Filesize

    332KB

  • memory/2820-153-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2820-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2820-173-0x00000000025C0000-0x0000000002613000-memory.dmp

    Filesize

    332KB

  • memory/2820-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2820-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2820-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2820-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2820-146-0x00000000025C0000-0x0000000002613000-memory.dmp

    Filesize

    332KB

  • memory/2820-255-0x00000000025C0000-0x0000000002613000-memory.dmp

    Filesize

    332KB

  • memory/2820-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2820-260-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2820-147-0x00000000025C0000-0x0000000002613000-memory.dmp

    Filesize

    332KB

  • memory/2820-148-0x00000000025C0000-0x0000000002613000-memory.dmp

    Filesize

    332KB

  • memory/2820-250-0x00000000025C0000-0x0000000002613000-memory.dmp

    Filesize

    332KB

  • memory/2820-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2820-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB