Analysis

  • max time kernel
    143s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-08-2024 17:26

General

  • Target

    win32-quickq.exe

  • Size

    96.0MB

  • MD5

    606fc12cc525d337db0b39b40bccea8c

  • SHA1

    90a6d3bd5fa1978265388af79c0d3a0abc422dc9

  • SHA256

    a8df35b264cd3e2c067389c5fd001a55fdc06494c581294d8a10ef5fcd75ca31

  • SHA512

    7c3e9882ff50c1fa44b04733d9cfa35fbcec80b1e496c2593d4a439a6286ed49f8a72ad7981fda83b0d70295ea0d8b82580430e0a14386c2d62a15ca0ecf8183

  • SSDEEP

    3145728:gyLpswWSVTt/19AHaVicSDmvmnCFOp31S:HdlPAm9SaPy31

Malware Config

Signatures

  • FatalRat

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

  • Fatal Rat payload 1 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 6 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of SetWindowsHookEx 4 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:4524
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c set
      2⤵
        PID:4760
      • C:\Users\Admin\AppData\Local\Temp\win32-quickq.exe
        PECMD**pecmd-cmd* PUTF -dd -skipb=1205760 -len=99505485 "C:\Users\Admin\AppData\Local\Temp\~1515910525470586019.tmp",,C:\Users\Admin\AppData\Local\Temp\win32-quickq.exe
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3368
      • C:\Users\Admin\AppData\Local\Temp\~291092362610186821~\sg.tmp
        7zG_exe x "C:\Users\Admin\AppData\Local\Temp\~1515910525470586019.tmp" -y -aoa -o"C:\Program Files (x86)\"
        2⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of AdjustPrivilegeToken
        PID:2040
      • C:\Program Files (x86)\ubc.exe
        "C:\Program Files (x86)\\ubc.exe"
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4660
        • 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:4384
          • 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 WriteProcessMemory
            PID:3188
            • 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 use of AdjustPrivilegeToken
              PID:4884
            • 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:4368
      • C:\Users\Admin\AppData\Local\Temp\win32-quickq.exe
        PECMD**pecmd-cmd* EXEC -wd:C: -hide cmd /c "C:\Users\Admin\AppData\Local\Temp\~8450750648959064798.cmd"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2212
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c "C:\Users\Admin\AppData\Local\Temp\~8450750648959064798.cmd"
          3⤵
            PID:828
        • C:\Users\Admin\AppData\Local\Temp\win32-quickq.exe
          PECMD**pecmd-cmd* EXEC -wd:C: -hide cmd /c "C:\Users\Admin\AppData\Local\Temp\~8480677749045493028.cmd"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3080
          • C:\Windows\SYSTEM32\cmd.exe
            cmd /c "C:\Users\Admin\AppData\Local\Temp\~8480677749045493028.cmd"
            3⤵
              PID:4156

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          761KB

          MD5

          80c469aef3c93b7062ee21d4dbd1f43f

          SHA1

          df5ddf2d4257e89941c57e4d935da424dfd839a7

          SHA256

          2ca06c6d19785bd5b9e8f05da99311fcaafd64384df164c1f06a33622aaa397b

          SHA512

          e868d2a4d54ee4e16e8fce35447029eb0317dd8da961cf6b44ac13504b1b9fa8046faaaca9d432cd132ef928c247de7a588d9f30fabb3fd8a61a2ee5475006d4

        • C:\Users\Admin\AppData\Local\Temp\~291092362610186821~\sg.tmp

          Filesize

          715KB

          MD5

          7c4718943bd3f66ebdb47ccca72c7b1e

          SHA1

          f9edfaa7adb8fa528b2e61b2b251f18da10a6969

          SHA256

          4cc32d00338fc7b206a7c052297acf9ac304ae7de9d61a2475a116959c1524fc

          SHA512

          e18c40d646fa4948f90f7471da55489df431f255041ebb6dcef86346f91078c9b27894e27216a4b2fe2a1c5e501c7953c77893cf696930123d28a322d49e1516

        • C:\Users\Admin\AppData\Local\Temp\~8450750648959064798.cmd

          Filesize

          280B

          MD5

          42ff656bd4ee3e19a5828940041fdfdb

          SHA1

          2e3c7f0fd42dd48b014e82e9e5edf50664ae5698

          SHA256

          b326705c28abc9947182f84830e0e680d35551157b408a0f9cfd137279a02838

          SHA512

          4ba36b5e44c94df09b91b3557237dae6b74a9fe04da686f157938446cf635c464f616126e937400ee4d577708b3bdcb7f88cec8df23d344bfd7105b75f9ec7b0

        • C:\Users\Admin\AppData\Local\Temp\~8480677749045493028.cmd

          Filesize

          365B

          MD5

          6108321ae8ebdf91ffa59bc72b4652b7

          SHA1

          c678d1a33139f8016c014dea6f5763671539ee59

          SHA256

          bd559493a4648bc69da3165aafc195ab519af9d10bf8454bf10d7bb5913bf0f5

          SHA512

          1d74b13759270b8f131f076ccf37b972c9d070e9bfe3ebab91b603d2227e873b96b580ea1901e88060eb8432757277c42de7f97886e5d8b7b00674de1d011710

        • 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

          196KB

          MD5

          fc51b596793d77c284e29c7b1371c1e9

          SHA1

          af3bec0adbcb9ec9b10ed7c4f826fc5137d6db3f

          SHA256

          157507c0e3aaababdb6087104a9841995c1cd5b06991bccf192cba68cbfb2281

          SHA512

          e160812d3d8d33d2ca4df4177073e7a8dedfad443f49cd87316d049b1a9efcfe5de14d8aabb7c900a6b484181fe34a71f4ca70c31f7fcaf76679b649fffaa73d

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

          Filesize

          9KB

          MD5

          523d5c39f9d8d2375c3df68251fa2249

          SHA1

          d4ed365c44bec9246fc1a65a32a7791792647a10

          SHA256

          20e3dc90a3e83b6202e2a7f4603b60e5e859639cb68693426c400b13aaeabd78

          SHA512

          526e1bba30d03f1ac177c6ab7409187a730969c429cebef15da68ffcf44b3b93227781eebc827b2f7a0fa17c391e00a0e532263fd0167aeaeb0456f96cfe3ae4

        • memory/2212-135-0x0000000000400000-0x00000000005DA000-memory.dmp

          Filesize

          1.9MB

        • memory/2212-129-0x0000000000400000-0x00000000005DA000-memory.dmp

          Filesize

          1.9MB

        • memory/3080-128-0x0000000000400000-0x00000000005DA000-memory.dmp

          Filesize

          1.9MB

        • memory/3080-133-0x0000000000400000-0x00000000005DA000-memory.dmp

          Filesize

          1.9MB

        • memory/3188-52-0x0000000000400000-0x0000000000441000-memory.dmp

          Filesize

          260KB

        • memory/3188-58-0x0000000000400000-0x0000000000441000-memory.dmp

          Filesize

          260KB

        • memory/3188-54-0x0000000000400000-0x0000000000441000-memory.dmp

          Filesize

          260KB

        • memory/3188-53-0x0000000000400000-0x0000000000441000-memory.dmp

          Filesize

          260KB

        • memory/3368-8-0x0000000000400000-0x00000000005DA000-memory.dmp

          Filesize

          1.9MB

        • memory/4368-84-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/4368-82-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/4368-85-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/4368-86-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/4368-90-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/4368-83-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/4384-46-0x0000000000400000-0x00000000005FA000-memory.dmp

          Filesize

          2.0MB

        • memory/4384-61-0x0000000000400000-0x00000000005FA000-memory.dmp

          Filesize

          2.0MB

        • memory/4524-131-0x0000000000400000-0x00000000005DA000-memory.dmp

          Filesize

          1.9MB

        • memory/4524-0-0x0000000000400000-0x00000000005DA000-memory.dmp

          Filesize

          1.9MB

        • memory/4524-91-0x0000000000400000-0x00000000005DA000-memory.dmp

          Filesize

          1.9MB

        • memory/4660-32-0x0000000000401000-0x00000000004C1000-memory.dmp

          Filesize

          768KB

        • memory/4660-64-0x0000000000400000-0x00000000005FA000-memory.dmp

          Filesize

          2.0MB

        • memory/4660-29-0x0000000000400000-0x00000000005FA000-memory.dmp

          Filesize

          2.0MB

        • memory/4660-31-0x0000000000400000-0x00000000005FA000-memory.dmp

          Filesize

          2.0MB

        • memory/4660-30-0x0000000000400000-0x00000000005FA000-memory.dmp

          Filesize

          2.0MB

        • memory/4660-28-0x0000000000400000-0x00000000005FA000-memory.dmp

          Filesize

          2.0MB

        • memory/4884-68-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/4884-72-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/4884-67-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/4884-73-0x0000000010000000-0x000000001002A000-memory.dmp

          Filesize

          168KB

        • memory/4884-66-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB