Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 08:27

General

  • Target

    win32-quickq_1.exe

  • Size

    99.0MB

  • MD5

    c6b7c0ad548155f7ef394b81f2a3f22a

  • SHA1

    89bb68b5ef1f31b54c6c8ed0b9044705c53aae0d

  • SHA256

    71fee022f7b439f7f45e1b6b5f6571a27617ee011f417670bc1018dc9a579346

  • SHA512

    6f0c54c43c395a4501e314af5bbc92cd149bdd8a5e1874e130b331ddc4bd52b65320b8f7d489ed50b53f10c891054910d0e9f265835348e292cc0948d04c8716

  • SSDEEP

    3145728:nHQoAe5KrdHxK5JhACGufBbPSTnvTo5e+DZt:HQJMf+CZBP6MbDZ

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
  • 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_1.exe
    "C:\Users\Admin\AppData\Local\Temp\win32-quickq_1.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:4004
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c set
      2⤵
        PID:532
      • C:\Users\Admin\AppData\Local\Temp\win32-quickq_1.exe
        PECMD**pecmd-cmd* PUTF -dd -skipb=1627136 -len=102155167 "C:\Users\Admin\AppData\Local\Temp\~5737088809894575481.tmp",,C:\Users\Admin\AppData\Local\Temp\win32-quickq_1.exe
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2952
      • C:\Users\Admin\AppData\Local\Temp\~3148802976790838640~\sg.tmp
        7zG_exe x "C:\Users\Admin\AppData\Local\Temp\~5737088809894575481.tmp" -y -aoa -o"C:\Program Files (x86)\"
        2⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of AdjustPrivilegeToken
        PID:1320
      • 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:3300
        • 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:3488
          • 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:1584
            • 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:4272
            • 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:3724
      • 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\~5450371027842329440.cmd"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4764
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c "C:\Users\Admin\AppData\Local\Temp\~5450371027842329440.cmd"
          3⤵
            PID:3320
        • 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\~9217670087531917068.cmd"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2548
          • C:\Windows\SYSTEM32\cmd.exe
            cmd /c "C:\Users\Admin\AppData\Local\Temp\~9217670087531917068.cmd"
            3⤵
              PID:4936

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          3.3MB

          MD5

          159251e990e200dde94c16ff7dbf76f5

          SHA1

          396d47f36be85379dde12cb5d4f70184d4106665

          SHA256

          3c53ae7f50a0bff6e44443171f9345ad456579e29ec5bb6f33068473b4a26a03

          SHA512

          2fc4e66949291ecde9b67077a58b7fa3f7c4912bd1c92626c1ad67c472f918b43ec5c9492fccd2e4e6df37fff56c7c98f7bb019cdbf535ffad7685ceb84ee8b3

        • C:\Users\Admin\AppData\Local\Temp\~3148802976790838640~\sg.tmp

          Filesize

          715KB

          MD5

          7c4718943bd3f66ebdb47ccca72c7b1e

          SHA1

          f9edfaa7adb8fa528b2e61b2b251f18da10a6969

          SHA256

          4cc32d00338fc7b206a7c052297acf9ac304ae7de9d61a2475a116959c1524fc

          SHA512

          e18c40d646fa4948f90f7471da55489df431f255041ebb6dcef86346f91078c9b27894e27216a4b2fe2a1c5e501c7953c77893cf696930123d28a322d49e1516

        • C:\Users\Admin\AppData\Local\Temp\~5450371027842329440.cmd

          Filesize

          280B

          MD5

          42ff656bd4ee3e19a5828940041fdfdb

          SHA1

          2e3c7f0fd42dd48b014e82e9e5edf50664ae5698

          SHA256

          b326705c28abc9947182f84830e0e680d35551157b408a0f9cfd137279a02838

          SHA512

          4ba36b5e44c94df09b91b3557237dae6b74a9fe04da686f157938446cf635c464f616126e937400ee4d577708b3bdcb7f88cec8df23d344bfd7105b75f9ec7b0

        • C:\Users\Admin\AppData\Local\Temp\~9217670087531917068.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

          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/1584-51-0x0000000000400000-0x000000000044F000-memory.dmp

          Filesize

          316KB

        • memory/1584-50-0x0000000000400000-0x000000000044F000-memory.dmp

          Filesize

          316KB

        • memory/1584-57-0x0000000000400000-0x000000000044F000-memory.dmp

          Filesize

          316KB

        • memory/1584-56-0x0000000000400000-0x000000000044F000-memory.dmp

          Filesize

          316KB

        • memory/1584-49-0x0000000000400000-0x000000000044F000-memory.dmp

          Filesize

          316KB

        • memory/3300-27-0x0000000000400000-0x00000000009CF000-memory.dmp

          Filesize

          5.8MB

        • memory/3300-30-0x0000000000401000-0x00000000004A5000-memory.dmp

          Filesize

          656KB

        • memory/3300-29-0x0000000000400000-0x00000000009CF000-memory.dmp

          Filesize

          5.8MB

        • memory/3300-28-0x0000000000400000-0x00000000009CF000-memory.dmp

          Filesize

          5.8MB

        • memory/3300-60-0x0000000000400000-0x00000000009CF000-memory.dmp

          Filesize

          5.8MB

        • memory/3300-26-0x0000000000400000-0x00000000009CF000-memory.dmp

          Filesize

          5.8MB

        • memory/3488-44-0x0000000000400000-0x00000000009CF000-memory.dmp

          Filesize

          5.8MB

        • memory/3488-46-0x0000000000400000-0x00000000009CF000-memory.dmp

          Filesize

          5.8MB

        • memory/3488-58-0x0000000000400000-0x00000000009CF000-memory.dmp

          Filesize

          5.8MB

        • memory/3488-45-0x0000000000400000-0x00000000009CF000-memory.dmp

          Filesize

          5.8MB

        • memory/3724-82-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/3724-83-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/3724-88-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/3724-84-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/3724-80-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/3724-81-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/4272-64-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/4272-71-0x0000000010000000-0x0000000010029000-memory.dmp

          Filesize

          164KB

        • memory/4272-66-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/4272-65-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/4272-70-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB