Analysis

  • max time kernel
    145s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-09-2024 07:07

General

  • Target

    win32-quickq.exe

  • Size

    103.7MB

  • MD5

    4572e8631a8de945b0693f964483af38

  • SHA1

    285f0e0b2bbb677e2c3ac15cd723f8d1b0d84592

  • SHA256

    0a4d7b18fdd3b12b65bcb59a8b4f4a51a78ce1d493eea2bc90fb3f85231508cf

  • SHA512

    0958c100941fe1abb11eab02d5bae75b1860c3820c098a0a0b2439333d8d4c223e9e34c46f603772255acfadf517e2a8969e63770c88942677897079521feb9e

  • SSDEEP

    3145728:nHj1vjT9pWRpAGBmeZ8KcELdIWwH82eg5SXbC:HZMLQg8IBILstXb

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
  • VMProtect packed file 6 IoCs

    Detects executables packed with VMProtect commercial packer.

  • 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:692
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c set
      2⤵
        PID:2952
      • C:\Users\Admin\AppData\Local\Temp\win32-quickq.exe
        PECMD**pecmd-cmd* PUTF -dd -skipb=1627136 -len=107080029 "C:\Users\Admin\AppData\Local\Temp\~8132511569106249445.tmp",,C:\Users\Admin\AppData\Local\Temp\win32-quickq.exe
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:208
      • C:\Users\Admin\AppData\Local\Temp\~6373935889326026775~\sg.tmp
        7zG_exe x "C:\Users\Admin\AppData\Local\Temp\~8132511569106249445.tmp" -y -aoa -o"C:\Program Files (x86)\"
        2⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of AdjustPrivilegeToken
        PID:4644
      • 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:3860
        • 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 behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:720
          • 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:2608
            • 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:1484
            • 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:4436
      • C:\Users\Admin\AppData\Local\Temp\win32-quickq.exe
        PECMD**pecmd-cmd* EXEC -wd:C: -hide cmd /c "C:\Users\Admin\AppData\Local\Temp\~6514903323615504960.cmd"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3696
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c "C:\Users\Admin\AppData\Local\Temp\~6514903323615504960.cmd"
          3⤵
            PID:4492
        • C:\Users\Admin\AppData\Local\Temp\win32-quickq.exe
          PECMD**pecmd-cmd* EXEC -wd:C: -hide cmd /c "C:\Users\Admin\AppData\Local\Temp\~5513393002770334286.cmd"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4148
          • C:\Windows\SYSTEM32\cmd.exe
            cmd /c "C:\Users\Admin\AppData\Local\Temp\~5513393002770334286.cmd"
            3⤵
              PID:1720

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          8.5MB

          MD5

          c891d9fe1f89b04eb52f92da303bb62c

          SHA1

          749d0f8d6d7247aafcffd409d276289c92d836ee

          SHA256

          272e68d8837b56b4f02f4b68228e0c0ff3fa716913c1b0475a0b3216310a7569

          SHA512

          bd7e4df039dc02421e8d157597c9d80f98a8712c6faa460c41c44000a061383dfb56495ae23b9083c384943cabe729148bebbc4fda8db4fdb8d87d717f2ca25c

        • C:\Users\Admin\AppData\Local\Temp\~5513393002770334286.cmd

          Filesize

          365B

          MD5

          6108321ae8ebdf91ffa59bc72b4652b7

          SHA1

          c678d1a33139f8016c014dea6f5763671539ee59

          SHA256

          bd559493a4648bc69da3165aafc195ab519af9d10bf8454bf10d7bb5913bf0f5

          SHA512

          1d74b13759270b8f131f076ccf37b972c9d070e9bfe3ebab91b603d2227e873b96b580ea1901e88060eb8432757277c42de7f97886e5d8b7b00674de1d011710

        • C:\Users\Admin\AppData\Local\Temp\~6373935889326026775~\sg.tmp

          Filesize

          715KB

          MD5

          7c4718943bd3f66ebdb47ccca72c7b1e

          SHA1

          f9edfaa7adb8fa528b2e61b2b251f18da10a6969

          SHA256

          4cc32d00338fc7b206a7c052297acf9ac304ae7de9d61a2475a116959c1524fc

          SHA512

          e18c40d646fa4948f90f7471da55489df431f255041ebb6dcef86346f91078c9b27894e27216a4b2fe2a1c5e501c7953c77893cf696930123d28a322d49e1516

        • C:\Users\Admin\AppData\Local\Temp\~6514903323615504960.cmd

          Filesize

          280B

          MD5

          42ff656bd4ee3e19a5828940041fdfdb

          SHA1

          2e3c7f0fd42dd48b014e82e9e5edf50664ae5698

          SHA256

          b326705c28abc9947182f84830e0e680d35551157b408a0f9cfd137279a02838

          SHA512

          4ba36b5e44c94df09b91b3557237dae6b74a9fe04da686f157938446cf635c464f616126e937400ee4d577708b3bdcb7f88cec8df23d344bfd7105b75f9ec7b0

        • C:\Users\Admin\AppData\Local\Temp\~~1864699063468414423.tmp

          Filesize

          125B

          MD5

          49a6904e128f8ce8b63a91fc72d95876

          SHA1

          90738b9460bf197779074435f284dabf04aef948

          SHA256

          3832f09be0e1adcdb3efdd76fd63a19a23dceeb08470720fcf3dc17b874f2f53

          SHA512

          ebc05ea15e3252b58a16b346c48d6758d51bd9cdae7684e0c3c6e89fb523cf82461ebf289ac5dfc0deb68abfc257b7655d56ea9885e8fca5cf5998cde76c67be

        • 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/720-55-0x0000000001B80000-0x0000000001B81000-memory.dmp

          Filesize

          4KB

        • memory/720-54-0x0000000001B70000-0x0000000001B71000-memory.dmp

          Filesize

          4KB

        • memory/720-56-0x0000000000400000-0x000000000154F000-memory.dmp

          Filesize

          17.3MB

        • memory/720-69-0x0000000000400000-0x000000000154F000-memory.dmp

          Filesize

          17.3MB

        • memory/720-49-0x0000000001550000-0x0000000001551000-memory.dmp

          Filesize

          4KB

        • memory/720-50-0x0000000001570000-0x0000000001571000-memory.dmp

          Filesize

          4KB

        • memory/720-51-0x0000000001B40000-0x0000000001B41000-memory.dmp

          Filesize

          4KB

        • memory/720-52-0x0000000001B50000-0x0000000001B51000-memory.dmp

          Filesize

          4KB

        • memory/720-53-0x0000000001B60000-0x0000000001B61000-memory.dmp

          Filesize

          4KB

        • memory/1484-79-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/1484-81-0x0000000010000000-0x0000000010029000-memory.dmp

          Filesize

          164KB

        • memory/1484-75-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/1484-74-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/1484-73-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/2608-62-0x0000000000400000-0x000000000044F000-memory.dmp

          Filesize

          316KB

        • memory/2608-67-0x0000000000400000-0x000000000044F000-memory.dmp

          Filesize

          316KB

        • memory/2608-66-0x0000000000400000-0x000000000044F000-memory.dmp

          Filesize

          316KB

        • memory/2608-61-0x0000000000400000-0x000000000044F000-memory.dmp

          Filesize

          316KB

        • memory/2608-60-0x0000000000400000-0x000000000044F000-memory.dmp

          Filesize

          316KB

        • memory/3860-34-0x0000000000400000-0x000000000154F000-memory.dmp

          Filesize

          17.3MB

        • memory/3860-27-0x00000000016B0000-0x00000000016B1000-memory.dmp

          Filesize

          4KB

        • memory/3860-31-0x0000000001BB0000-0x0000000001BB1000-memory.dmp

          Filesize

          4KB

        • memory/3860-80-0x0000000000400000-0x000000000154F000-memory.dmp

          Filesize

          17.3MB

        • memory/3860-29-0x0000000001B90000-0x0000000001B91000-memory.dmp

          Filesize

          4KB

        • memory/3860-30-0x0000000001BA0000-0x0000000001BA1000-memory.dmp

          Filesize

          4KB

        • memory/3860-32-0x0000000001BC0000-0x0000000001BC1000-memory.dmp

          Filesize

          4KB

        • memory/3860-33-0x0000000001BD0000-0x0000000001BD1000-memory.dmp

          Filesize

          4KB

        • memory/3860-26-0x0000000000400000-0x000000000154F000-memory.dmp

          Filesize

          17.3MB

        • memory/3860-28-0x00000000016D0000-0x00000000016D1000-memory.dmp

          Filesize

          4KB

        • memory/4436-92-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/4436-91-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/4436-90-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/4436-98-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/4436-93-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/4436-94-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB