Analysis

  • max time kernel
    120s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2024 11:08

General

  • Target

    aa95fde20adaa37c7641579e37edaca8e5a672e28aa6d735005b664c11bc21e5N.exe

  • Size

    112KB

  • MD5

    ff54a22dc697b82df4f185deade078f0

  • SHA1

    124703a4d1046c20ba7095f2c3151582f97160c4

  • SHA256

    aa95fde20adaa37c7641579e37edaca8e5a672e28aa6d735005b664c11bc21e5

  • SHA512

    cd17197939d3625d6764bb260f24e66d497448befb8173f32c8fff58186a97108d032ad57001c361a932aaf94b41e4ed8af8848f99695cab3d91435dbbffd0e7

  • SSDEEP

    1536:t2ovIa47CqIf2f3w41p7sDcX7juR/JSJw8EeNshUDGXJr:tVIr7zI+fAceoGxSKKo5r

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modiloader family
  • ModiLoader Second Stage 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • UPX packed file 12 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).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aa95fde20adaa37c7641579e37edaca8e5a672e28aa6d735005b664c11bc21e5N.exe
    "C:\Users\Admin\AppData\Local\Temp\aa95fde20adaa37c7641579e37edaca8e5a672e28aa6d735005b664c11bc21e5N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2732
    • C:\Users\Admin\AppData\Local\Temp\aa95fde20adaa37c7641579e37edaca8e5a672e28aa6d735005b664c11bc21e5N.exe
      "C:\Users\Admin\AppData\Local\Temp\aa95fde20adaa37c7641579e37edaca8e5a672e28aa6d735005b664c11bc21e5N.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4816
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\OKLWT.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3664
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Windows WA" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe" /f
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:1336
      • C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2560
        • C:\Windows\SysWOW64\svchost.exe
          "C:\Windows\system32\svchost.exe"
          4⤵
            PID:4600
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4600 -s 156
              5⤵
              • Program crash
              PID:512
          • C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:3480
          • C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\WAMain.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:624
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4600 -ip 4600
      1⤵
        PID:4808

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\OKLWT.txt

        Filesize

        148B

        MD5

        3a4614705555abb049c3298e61170b7f

        SHA1

        c8686410756f346d9551256a5b878b04770950ba

        SHA256

        cff0663c8cfadf83b80583a871c313ffc5d950cb503809cb4a482f400c5d846b

        SHA512

        65ce6fec00e6934f21635e7ccd74757f31ed4b0ddb52bd80d3ea9abeba56340128d23151ef7d9f5daacb5d61e4a4cca50dbb3a43132e350522311ee06e829007

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

        Filesize

        112KB

        MD5

        e73057f4a066704694058fef93cc6faa

        SHA1

        30793acf55613307fefc5ed279b8dfe6302de5f8

        SHA256

        44fa592d1d08e2e4634df1a7e492960788632b819da576ffca38b8a12da81c30

        SHA512

        cb350598c2688f412bc6865e21c4f877480c90dcf8f6ad6c6af977ea2eb380cb84695deb146714cba2129376ddbbdea78a5274202c9c911990700abc0b3b153f

      • memory/624-72-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/624-61-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/624-62-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/624-63-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/624-64-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/624-57-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2520-8-0x0000000002D30000-0x0000000002D32000-memory.dmp

        Filesize

        8KB

      • memory/2520-6-0x0000000002BB0000-0x0000000002BB2000-memory.dmp

        Filesize

        8KB

      • memory/2520-3-0x0000000002B30000-0x0000000002B32000-memory.dmp

        Filesize

        8KB

      • memory/2520-4-0x0000000002B60000-0x0000000002B62000-memory.dmp

        Filesize

        8KB

      • memory/2520-10-0x0000000002B20000-0x0000000002B22000-memory.dmp

        Filesize

        8KB

      • memory/2520-5-0x0000000002B70000-0x0000000002B72000-memory.dmp

        Filesize

        8KB

      • memory/2520-2-0x0000000002B20000-0x0000000002B22000-memory.dmp

        Filesize

        8KB

      • memory/2560-52-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB

      • memory/2560-47-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB

      • memory/2560-48-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB

      • memory/2560-67-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB

      • memory/2560-46-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB

      • memory/2732-7-0x0000000000400000-0x000000000040C000-memory.dmp

        Filesize

        48KB

      • memory/2732-19-0x0000000000400000-0x000000000040C000-memory.dmp

        Filesize

        48KB

      • memory/2732-13-0x0000000000400000-0x000000000040C000-memory.dmp

        Filesize

        48KB

      • memory/2732-50-0x0000000000400000-0x000000000040C000-memory.dmp

        Filesize

        48KB

      • memory/3480-71-0x0000000000400000-0x000000000040B000-memory.dmp

        Filesize

        44KB

      • memory/4600-51-0x0000000000400000-0x000000000040C000-memory.dmp

        Filesize

        48KB

      • memory/4816-9-0x0000000000400000-0x000000000040B000-memory.dmp

        Filesize

        44KB

      • memory/4816-49-0x0000000000400000-0x000000000040B000-memory.dmp

        Filesize

        44KB

      • memory/4816-18-0x0000000000400000-0x000000000040B000-memory.dmp

        Filesize

        44KB

      • memory/4816-70-0x0000000000400000-0x000000000040B000-memory.dmp

        Filesize

        44KB

      • memory/4816-14-0x0000000000400000-0x000000000040B000-memory.dmp

        Filesize

        44KB