Analysis

  • max time kernel
    118s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-09-2024 14:42

General

  • Target

    win32-quickq.exe

  • Size

    98.7MB

  • MD5

    274b5005729ff3ca3a84bdde29ed25df

  • SHA1

    10ced7c4d0e30cc4c778c2b6f699d0da15634785

  • SHA256

    4f45fa1686e9ded78d6b3f2ea6d7f21a92f09be8af2f0f4bebff992ee4e4d74b

  • SHA512

    7ea1c9e10cdc609590db8301feb78bea0225be0412a4d31c9d286d152a8b6b1ae4e11068838a23621e744e7e4c16999a9b144c549f5878ecb71ef0aa74383f69

  • SSDEEP

    3145728:nHFnG0mmO2y9E/IVswt2FKgFeCmn8b7OEzw:HL60as5YgtFmEz

Malware Config

Signatures

  • FatalRat

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

  • Fatal Rat payload 1 IoCs
  • Executes dropped EXE 6 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 5 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\win32-quickq.exe
    "C:\Users\Admin\AppData\Local\Temp\win32-quickq.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2892
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c set
      2⤵
        PID:1020
      • C:\Users\Admin\AppData\Local\Temp\win32-quickq.exe
        PECMD**pecmd-cmd* PUTF -dd -skipb=1627136 -len=101907377 "C:\Users\Admin\AppData\Local\Temp\~8185398798708875705.tmp",,C:\Users\Admin\AppData\Local\Temp\win32-quickq.exe
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1228
      • C:\Users\Admin\AppData\Local\Temp\~1352404538178216622~\sg.tmp
        7zG_exe x "C:\Users\Admin\AppData\Local\Temp\~8185398798708875705.tmp" -y -aoa -o"C:\Program Files (x86)\"
        2⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of AdjustPrivilegeToken
        PID:1748
      • C:\Program Files (x86)\uyd.exe
        "C:\Program Files (x86)\\uyd.exe"
        2⤵
        • Executes dropped EXE
        • 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:3696
        • 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
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3704
          • C:\Users\Public\Documents\sougou\spolsvt.exe
            C:\Users\Public\Documents\sougou\spolsvt.exe
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:4432
            • C:\Users\Public\Documents\dd\spolsvt.exe
              C:\Users\Public\Documents\dd\spolsvt.exe
              5⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3336
            • 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:4704
      • C:\Users\Admin\AppData\Local\Temp\win32-quickq.exe
        PECMD**pecmd-cmd* EXEC -wd:C: -hide cmd /c "C:\Users\Admin\AppData\Local\Temp\~4211198220671722776.cmd"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3596
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c "C:\Users\Admin\AppData\Local\Temp\~4211198220671722776.cmd"
          3⤵
            PID:2096
        • C:\Users\Admin\AppData\Local\Temp\win32-quickq.exe
          PECMD**pecmd-cmd* EXEC -wd:C: -hide cmd /c "C:\Users\Admin\AppData\Local\Temp\~8312422155147553445.cmd"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1884
          • C:\Windows\SYSTEM32\cmd.exe
            cmd /c "C:\Users\Admin\AppData\Local\Temp\~8312422155147553445.cmd"
            3⤵
              PID:732

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          5.5MB

          MD5

          d93c1d23a9fc68d89b3e3fcd43f0eb5b

          SHA1

          bc3220fb83d7dd0cddc538f7a33210db69786d20

          SHA256

          34951139a5201dd1d13d11c5aec344a25dedc79bc0fce0e7e59fdb46af10ca37

          SHA512

          730567800469641b24bca28af77a82462b0a7f3b16ea318fb945be106250b20db4fb3fb19b098a1cefed6d4b222989195eac606b028f4652332025b1554d7ab1

        • C:\Users\Admin\AppData\Local\Temp\~1352404538178216622~\sg.tmp

          Filesize

          715KB

          MD5

          7c4718943bd3f66ebdb47ccca72c7b1e

          SHA1

          f9edfaa7adb8fa528b2e61b2b251f18da10a6969

          SHA256

          4cc32d00338fc7b206a7c052297acf9ac304ae7de9d61a2475a116959c1524fc

          SHA512

          e18c40d646fa4948f90f7471da55489df431f255041ebb6dcef86346f91078c9b27894e27216a4b2fe2a1c5e501c7953c77893cf696930123d28a322d49e1516

        • C:\Users\Admin\AppData\Local\Temp\~4211198220671722776.cmd

          Filesize

          280B

          MD5

          42ff656bd4ee3e19a5828940041fdfdb

          SHA1

          2e3c7f0fd42dd48b014e82e9e5edf50664ae5698

          SHA256

          b326705c28abc9947182f84830e0e680d35551157b408a0f9cfd137279a02838

          SHA512

          4ba36b5e44c94df09b91b3557237dae6b74a9fe04da686f157938446cf635c464f616126e937400ee4d577708b3bdcb7f88cec8df23d344bfd7105b75f9ec7b0

        • C:\Users\Admin\AppData\Local\Temp\~8312422155147553445.cmd

          Filesize

          365B

          MD5

          6108321ae8ebdf91ffa59bc72b4652b7

          SHA1

          c678d1a33139f8016c014dea6f5763671539ee59

          SHA256

          bd559493a4648bc69da3165aafc195ab519af9d10bf8454bf10d7bb5913bf0f5

          SHA512

          1d74b13759270b8f131f076ccf37b972c9d070e9bfe3ebab91b603d2227e873b96b580ea1901e88060eb8432757277c42de7f97886e5d8b7b00674de1d011710

        • C:\Users\Admin\AppData\Local\Temp\~~1557899385706716346.tmp

          Filesize

          124B

          MD5

          378418d75ea13c69105a1e1ab4461fd3

          SHA1

          450c36ae2da3e5ba697597ed436a35f972f03aab

          SHA256

          256183e2d420da3614bfcbe6f0f52cfc50c6615723d439932936d8a6caf73e75

          SHA512

          6382d97ae3616d4d1092fe317132e97989890c7e6db37d78431147d8c331cf82fe7d978952c6448197b9eabceff44bd8bb2c7d9af5875536a6715e47be85954d

        • 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

          219KB

          MD5

          6fa8f3c5e7670094a1f66035bdce541c

          SHA1

          122fcba8f761eb3695a948b68be2cb803a43d903

          SHA256

          f2a8b444d6cc5d3a88d10e5d2388e91a17248a1191d8780c62761bae10574c45

          SHA512

          9e6d3b2d764e2ad716c9246c574af62eec2a6e76f1b95db7c8ac684372e6660a43d8dd2bbcabffe66013ea99612114dea28a62caaef530add20725a230672e67

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

          Filesize

          9KB

          MD5

          523d5c39f9d8d2375c3df68251fa2249

          SHA1

          d4ed365c44bec9246fc1a65a32a7791792647a10

          SHA256

          20e3dc90a3e83b6202e2a7f4603b60e5e859639cb68693426c400b13aaeabd78

          SHA512

          526e1bba30d03f1ac177c6ab7409187a730969c429cebef15da68ffcf44b3b93227781eebc827b2f7a0fa17c391e00a0e532263fd0167aeaeb0456f96cfe3ae4

        • memory/3336-63-0x0000000010000000-0x0000000010029000-memory.dmp

          Filesize

          164KB

        • memory/3336-57-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/3336-56-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/3336-62-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/3336-58-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/3696-25-0x0000000000400000-0x00000000009BE000-memory.dmp

          Filesize

          5.7MB

        • memory/3696-55-0x0000000000400000-0x00000000009BE000-memory.dmp

          Filesize

          5.7MB

        • memory/3704-50-0x0000000000400000-0x00000000009BE000-memory.dmp

          Filesize

          5.7MB

        • memory/4432-49-0x0000000000400000-0x000000000044F000-memory.dmp

          Filesize

          316KB

        • memory/4432-43-0x0000000000400000-0x000000000044F000-memory.dmp

          Filesize

          316KB

        • memory/4432-44-0x0000000000400000-0x000000000044F000-memory.dmp

          Filesize

          316KB

        • memory/4432-42-0x0000000000400000-0x000000000044F000-memory.dmp

          Filesize

          316KB

        • memory/4432-48-0x0000000000400000-0x000000000044F000-memory.dmp

          Filesize

          316KB

        • memory/4704-72-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/4704-80-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/4704-75-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/4704-76-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/4704-74-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/4704-73-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB