Analysis

  • max time kernel
    139s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-08-2024 15:49

General

  • Target

    win32-quickq.exe

  • Size

    96.1MB

  • MD5

    86070741782fef50023aedd4d9ae7749

  • SHA1

    803654c7a33fa34fadec369c2cb56220f6e97699

  • SHA256

    7ff792e6fbf711a1230e8d5d49eac55d26567796435655af08eceebf27093368

  • SHA512

    4e06f424636fb4d345e7917974c72aaec3561df18af81d17ce248a12670991cb014838efb05d5ac8369561f9a957b297cc6679be8dd0b4f952186d42da656b55

  • SSDEEP

    3145728:gwgwEHtKqYKDPoAmL1EcgpDYPSvinKZzH:lnawAmpg64BZz

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 9 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 7 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 40 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:208
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c set
      2⤵
        PID:1464
      • C:\Users\Admin\AppData\Local\Temp\win32-quickq.exe
        PECMD**pecmd-cmd* PUTF -dd -skipb=1205760 -len=99517037 "C:\Users\Admin\AppData\Local\Temp\~1847130424151650447.tmp",,C:\Users\Admin\AppData\Local\Temp\win32-quickq.exe
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2556
      • C:\Users\Admin\AppData\Local\Temp\~9065965016554007858~\sg.tmp
        7zG_exe x "C:\Users\Admin\AppData\Local\Temp\~1847130424151650447.tmp" -y -aoa -o"C:\Program Files (x86)\"
        2⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of AdjustPrivilegeToken
        PID:212
      • 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:3336
        • 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:408
          • 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:3736
            • 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:5020
            • 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:3252
      • C:\Users\Admin\AppData\Local\Temp\win32-quickq.exe
        PECMD**pecmd-cmd* EXEC -wd:C: -hide cmd /c "C:\Users\Admin\AppData\Local\Temp\~8153856720529734869.cmd"
        2⤵
          PID:2880
          • C:\Windows\SYSTEM32\cmd.exe
            cmd /c "C:\Users\Admin\AppData\Local\Temp\~8153856720529734869.cmd"
            3⤵
              PID:2188
          • C:\Users\Admin\AppData\Local\Temp\win32-quickq.exe
            PECMD**pecmd-cmd* EXEC -wd:C: -hide cmd /c "C:\Users\Admin\AppData\Local\Temp\~1041452882040044964.cmd"
            2⤵
              PID:4816
              • C:\Windows\SYSTEM32\cmd.exe
                cmd /c "C:\Users\Admin\AppData\Local\Temp\~1041452882040044964.cmd"
                3⤵
                  PID:3952

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              786KB

              MD5

              4f927a44963d8b315693cdf2c4695dd3

              SHA1

              71aa9de5a5882f0f5d8c4bb7ba980f9b3c68e11d

              SHA256

              73f4ea90010122716aa80f43a9d40bf2d5b38f023199f26ec04d4a866e113d3d

              SHA512

              4cbb156404badcd37d8a2c1a1e57017e63ea7b498c6b913685026ce175eca683724956b691ee31b944f4aa5b752aa6a8d21b45391ca65ba76811debd8efe7f9c

            • C:\Users\Admin\AppData\Local\Temp\~1041452882040044964.cmd

              Filesize

              365B

              MD5

              6108321ae8ebdf91ffa59bc72b4652b7

              SHA1

              c678d1a33139f8016c014dea6f5763671539ee59

              SHA256

              bd559493a4648bc69da3165aafc195ab519af9d10bf8454bf10d7bb5913bf0f5

              SHA512

              1d74b13759270b8f131f076ccf37b972c9d070e9bfe3ebab91b603d2227e873b96b580ea1901e88060eb8432757277c42de7f97886e5d8b7b00674de1d011710

            • C:\Users\Admin\AppData\Local\Temp\~8153856720529734869.cmd

              Filesize

              280B

              MD5

              42ff656bd4ee3e19a5828940041fdfdb

              SHA1

              2e3c7f0fd42dd48b014e82e9e5edf50664ae5698

              SHA256

              b326705c28abc9947182f84830e0e680d35551157b408a0f9cfd137279a02838

              SHA512

              4ba36b5e44c94df09b91b3557237dae6b74a9fe04da686f157938446cf635c464f616126e937400ee4d577708b3bdcb7f88cec8df23d344bfd7105b75f9ec7b0

            • C:\Users\Admin\AppData\Local\Temp\~9065965016554007858~\sg.tmp

              Filesize

              715KB

              MD5

              7c4718943bd3f66ebdb47ccca72c7b1e

              SHA1

              f9edfaa7adb8fa528b2e61b2b251f18da10a6969

              SHA256

              4cc32d00338fc7b206a7c052297acf9ac304ae7de9d61a2475a116959c1524fc

              SHA512

              e18c40d646fa4948f90f7471da55489df431f255041ebb6dcef86346f91078c9b27894e27216a4b2fe2a1c5e501c7953c77893cf696930123d28a322d49e1516

            • 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/208-91-0x0000000000400000-0x00000000005DA000-memory.dmp

              Filesize

              1.9MB

            • memory/208-0-0x0000000000400000-0x00000000005DA000-memory.dmp

              Filesize

              1.9MB

            • memory/208-132-0x0000000000400000-0x00000000005DA000-memory.dmp

              Filesize

              1.9MB

            • memory/408-61-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/408-49-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/408-48-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/408-47-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/2556-7-0x0000000000400000-0x00000000005DA000-memory.dmp

              Filesize

              1.9MB

            • memory/2556-9-0x0000000000400000-0x00000000005DA000-memory.dmp

              Filesize

              1.9MB

            • memory/2880-129-0x0000000000400000-0x00000000005DA000-memory.dmp

              Filesize

              1.9MB

            • memory/2880-136-0x0000000000400000-0x00000000005DA000-memory.dmp

              Filesize

              1.9MB

            • memory/3252-84-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/3252-90-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/3252-82-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/3252-83-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/3252-85-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/3252-86-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/3336-32-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/3336-64-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/3336-29-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/3336-30-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/3336-33-0x0000000000401000-0x00000000004C1000-memory.dmp

              Filesize

              768KB

            • memory/3336-31-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/3736-59-0x0000000000400000-0x0000000000441000-memory.dmp

              Filesize

              260KB

            • memory/3736-54-0x0000000000400000-0x0000000000441000-memory.dmp

              Filesize

              260KB

            • memory/3736-52-0x0000000000400000-0x0000000000441000-memory.dmp

              Filesize

              260KB

            • memory/3736-53-0x0000000000400000-0x0000000000441000-memory.dmp

              Filesize

              260KB

            • memory/4816-130-0x0000000000400000-0x00000000005DA000-memory.dmp

              Filesize

              1.9MB

            • memory/4816-134-0x0000000000400000-0x00000000005DA000-memory.dmp

              Filesize

              1.9MB

            • memory/5020-72-0x0000000000400000-0x0000000000430000-memory.dmp

              Filesize

              192KB

            • memory/5020-67-0x0000000000400000-0x0000000000430000-memory.dmp

              Filesize

              192KB

            • memory/5020-68-0x0000000000400000-0x0000000000430000-memory.dmp

              Filesize

              192KB

            • memory/5020-73-0x0000000010000000-0x000000001002A000-memory.dmp

              Filesize

              168KB

            • memory/5020-66-0x0000000000400000-0x0000000000430000-memory.dmp

              Filesize

              192KB