Analysis

  • max time kernel
    120s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    31-08-2024 13:13

General

  • Target

    win32-quickq_1.exe

  • Size

    98.7MB

  • MD5

    04aa93ac264dad188b6ff159cecd91bb

  • SHA1

    fa0195948980e2c87b19fa204dcf59fcbc3b617a

  • SHA256

    4a857879a18963c27be6897ff664345350c73fa03d9b6d4abd5fc3cbb340f65b

  • SHA512

    84edfddda0c508ce2ecd2cafab0dd25bbcc0a629e746629f496e9652ac865e2801093d54db085f6da5af5b3875fa87fabf90664694bf1152653c502fccc04f82

  • SSDEEP

    3145728:nHjklfmY8m9A8zcpSKpTVfmYOo683CMD7++t6:HjksCofphNO4nm+t

Malware Config

Signatures

  • FatalRat

    FatalRat is a modular infostealer family written in C++ first appearing in June 2021.

  • Fatal Rat payload 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 9 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 57 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\win32-quickq_1.exe
    "C:\Users\Admin\AppData\Local\Temp\win32-quickq_1.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Windows\system32\cmd.exe
      cmd.exe /c set
      2⤵
        PID:1696
      • C:\Users\Admin\AppData\Local\Temp\win32-quickq_1.exe
        PECMD**pecmd-cmd* PUTF -dd -skipb=1627136 -len=101900229 "C:\Users\Admin\AppData\Local\Temp\~8455503808067910000.tmp",,C:\Users\Admin\AppData\Local\Temp\win32-quickq_1.exe
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2776
      • C:\Users\Admin\AppData\Local\Temp\~4378553936779697675~\sg.tmp
        7zG_exe x "C:\Users\Admin\AppData\Local\Temp\~8455503808067910000.tmp" -y -aoa -o"C:\Program Files (x86)\"
        2⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of AdjustPrivilegeToken
        PID:2220
      • C:\Program Files (x86)\uyd.exe
        "C:\Program Files (x86)\\uyd.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2160
        • C:\Users\Public\Documents\sougou\V4.6.80\Bin\QTalk.exe
          C:\Users\Public\Documents\sougou\V4.6.80\Bin\QTalk.exe
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1908
          • C:\Users\Public\Documents\sougou\spolsvt.exe
            C:\Users\Public\Documents\sougou\spolsvt.exe
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2124
            • C:\Users\Public\Documents\dd\spolsvt.exe
              C:\Users\Public\Documents\dd\spolsvt.exe
              5⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:1196
            • C:\Users\Public\Documents\uu\svcoth.exe
              C:\Users\Public\Documents\uu\svcoth.exe
              5⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              PID:2864
      • C:\Users\Admin\AppData\Local\Temp\win32-quickq_1.exe
        PECMD**pecmd-cmd* EXEC -wd:C: -hide cmd /c "C:\Users\Admin\AppData\Local\Temp\~5839619836062413879.cmd"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1408
        • C:\Windows\system32\cmd.exe
          cmd /c "C:\Users\Admin\AppData\Local\Temp\~5839619836062413879.cmd"
          3⤵
            PID:328
        • C:\Users\Admin\AppData\Local\Temp\win32-quickq_1.exe
          PECMD**pecmd-cmd* EXEC -wd:C: -hide cmd /c "C:\Users\Admin\AppData\Local\Temp\~8475897841850454490.cmd"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1048
          • C:\Windows\system32\cmd.exe
            cmd /c "C:\Users\Admin\AppData\Local\Temp\~8475897841850454490.cmd"
            3⤵
            • Deletes itself
            PID:1680

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\uyd.exe

        Filesize

        5.5MB

        MD5

        52a442f3ec0cc6160b36b4c2cee0c96b

        SHA1

        fcdcde577a1d08592f7c7fda24d53b877423e983

        SHA256

        f1ef9b4b561851c3d8a7ecb9e32f65639233008c5799e1e889bdf5e6fac34446

        SHA512

        e3718caaa784dcfdad5efec6dadef056923a96cad961f4a35766f067f4f648dbb8164e9c013b5854b5afb75d4630a0e0a6465c29c9564fcd80c970c26cd82e42

      • C:\Users\Admin\AppData\Local\Temp\~5839619836062413879.cmd

        Filesize

        280B

        MD5

        42ff656bd4ee3e19a5828940041fdfdb

        SHA1

        2e3c7f0fd42dd48b014e82e9e5edf50664ae5698

        SHA256

        b326705c28abc9947182f84830e0e680d35551157b408a0f9cfd137279a02838

        SHA512

        4ba36b5e44c94df09b91b3557237dae6b74a9fe04da686f157938446cf635c464f616126e937400ee4d577708b3bdcb7f88cec8df23d344bfd7105b75f9ec7b0

      • C:\Users\Admin\AppData\Local\Temp\~8475897841850454490.cmd

        Filesize

        371B

        MD5

        add56cb152aa026cea55fbc27df898f8

        SHA1

        d59e2c9fccc7bd67ae36169a85ab14ce94068461

        SHA256

        631ee56fa2a73bc6d333580c237b3d18663ae269d26073bf1224266fa0b664b0

        SHA512

        7f17831b0e19795cb60c66544a10ae7451bb1d7ffecb0ade1af352ccb360ff177af2be88c381d45f53b34912117fe8ddd64ce485f87f0e2e9f48f18ae939e5c8

      • C:\Users\Public\Documents\dd\spolsvt.exe

        Filesize

        16KB

        MD5

        cdce4713e784ae069d73723034a957ff

        SHA1

        9a393a6bab6568f1a774fb753353223f11367e09

        SHA256

        b29e48102ecb3d3614e8980a8b8cc63dd2b993c6346f466479244ec2b47b69d8

        SHA512

        0a3a59a305cc2a6fad4e1315b0bcc5a4129595dfe1e8b703363fa02528d2d7c48d3fd22d365708be84a5557cf1916873df9563c454732f93f94a66e7e3b9fb0f

      • C:\Users\Public\Documents\sougou\Mpec.mbt

        Filesize

        221KB

        MD5

        e2b34ec017d44af92fcfeb6ec1442f5c

        SHA1

        1cc5e4c708417b9f148b98db95b9f0733ac60a3d

        SHA256

        986438d1af76d1a47409b9a7e25e9f0516d89320ad1e03468b04530b46aad9ba

        SHA512

        7d3e163ea3f3029498951385fa52f18a5e334ae263692e51d96cdd7e25624ddc9c21909f5c0eefaa2ff1845fc2d944c52ec95c619656fc1f60cdbf0c11888482

      • \Users\Admin\AppData\Local\Temp\~4378553936779697675~\sg.tmp

        Filesize

        715KB

        MD5

        7c4718943bd3f66ebdb47ccca72c7b1e

        SHA1

        f9edfaa7adb8fa528b2e61b2b251f18da10a6969

        SHA256

        4cc32d00338fc7b206a7c052297acf9ac304ae7de9d61a2475a116959c1524fc

        SHA512

        e18c40d646fa4948f90f7471da55489df431f255041ebb6dcef86346f91078c9b27894e27216a4b2fe2a1c5e501c7953c77893cf696930123d28a322d49e1516

      • \Users\Public\Documents\sougou\spolsvt.exe

        Filesize

        9KB

        MD5

        523d5c39f9d8d2375c3df68251fa2249

        SHA1

        d4ed365c44bec9246fc1a65a32a7791792647a10

        SHA256

        20e3dc90a3e83b6202e2a7f4603b60e5e859639cb68693426c400b13aaeabd78

        SHA512

        526e1bba30d03f1ac177c6ab7409187a730969c429cebef15da68ffcf44b3b93227781eebc827b2f7a0fa17c391e00a0e532263fd0167aeaeb0456f96cfe3ae4

      • memory/1196-90-0x0000000010000000-0x000000001002A000-memory.dmp

        Filesize

        168KB

      • memory/1196-78-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/1196-80-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/1196-82-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/1196-85-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/1196-86-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/1196-88-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/1196-79-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/1908-52-0x0000000000400000-0x00000000009B4000-memory.dmp

        Filesize

        5.7MB

      • memory/1908-69-0x0000000000400000-0x00000000009B4000-memory.dmp

        Filesize

        5.7MB

      • memory/2032-30-0x00000000033F0000-0x00000000039A4000-memory.dmp

        Filesize

        5.7MB

      • memory/2124-63-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2124-57-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2124-58-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2124-59-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2124-61-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2124-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2124-67-0x0000000000400000-0x0000000000450000-memory.dmp

        Filesize

        320KB

      • memory/2160-89-0x0000000000400000-0x00000000009B4000-memory.dmp

        Filesize

        5.7MB

      • memory/2160-50-0x0000000003C80000-0x0000000004234000-memory.dmp

        Filesize

        5.7MB

      • memory/2160-31-0x0000000000400000-0x00000000009B4000-memory.dmp

        Filesize

        5.7MB

      • memory/2864-109-0x0000000000400000-0x000000000041C000-memory.dmp

        Filesize

        112KB

      • memory/2864-119-0x0000000000400000-0x000000000041C000-memory.dmp

        Filesize

        112KB

      • memory/2864-115-0x0000000000400000-0x000000000041C000-memory.dmp

        Filesize

        112KB

      • memory/2864-113-0x0000000000400000-0x000000000041C000-memory.dmp

        Filesize

        112KB

      • memory/2864-111-0x0000000000400000-0x000000000041C000-memory.dmp

        Filesize

        112KB

      • memory/2864-107-0x0000000000400000-0x000000000041C000-memory.dmp

        Filesize

        112KB

      • memory/2864-106-0x0000000000400000-0x000000000041C000-memory.dmp

        Filesize

        112KB

      • memory/2864-105-0x0000000000400000-0x000000000041C000-memory.dmp

        Filesize

        112KB