Analysis

  • max time kernel
    149s
  • 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
    19-08-2024 03:25

General

  • Target

    ChromeSetup.exe

  • Size

    2.9MB

  • MD5

    af20d4d3f30cd1ac68dc415e37519585

  • SHA1

    933061ab91cfa2737ff72312070a61586b2fe4f8

  • SHA256

    5ccd01e983f6522a5f9f2b2341fecfa7e481c2812a0084dfdfb58017901ee9b0

  • SHA512

    28646dacc8e2c7054885df672819710a4a46b4334fc5ca6ba35feabbb1556bbf8f95851c832a32a9ef15c765e3e88da93df0c6a11c4d06463b7291388ea33437

  • SSDEEP

    49152:mTznni+027LpW8dfdtKJanP0xIKYE00AaISNn1+/JT5xDAIoJ+LC2ujI:mnni+027l3fdtKJGPpKZ9AaI7D5ouCvj

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 6 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ChromeSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\ChromeSetup.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:2072
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c set
      2⤵
        PID:1400
      • C:\Users\Admin\AppData\Local\Temp\ChromeSetup.exe
        PECMD**pecmd-cmd* PUTF -dd -skipb=946176 -len=2057084 "C:\Users\Admin\AppData\Local\Temp\~7514299308440648999.tmp",,C:\Users\Admin\AppData\Local\Temp\ChromeSetup.exe
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1684
      • C:\Users\Admin\AppData\Local\Temp\~6620330734974473204~\sg.tmp
        7zG_exe x "C:\Users\Admin\AppData\Local\Temp\~7514299308440648999.tmp" -y -aoa -o"C:\Program Files (x86)\"
        2⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of AdjustPrivilegeToken
        PID:3132
      • C:\Program Files (x86)\ugg.exe
        "C:\Program Files (x86)\\ugg.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:324
        • 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:4752
          • 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:3204
            • 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:4480
            • 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:2848
      • C:\Users\Admin\AppData\Local\Temp\ChromeSetup.exe
        PECMD**pecmd-cmd* EXEC -wd:C: -hide cmd /c "C:\Users\Admin\AppData\Local\Temp\~1123968867598198205.cmd"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3012
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c "C:\Users\Admin\AppData\Local\Temp\~1123968867598198205.cmd"
          3⤵
            PID:3484
        • C:\Users\Admin\AppData\Local\Temp\ChromeSetup.exe
          PECMD**pecmd-cmd* EXEC -wd:C: -hide cmd /c "C:\Users\Admin\AppData\Local\Temp\~1080529571860438204.cmd"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:5004
          • C:\Windows\SYSTEM32\cmd.exe
            cmd /c "C:\Users\Admin\AppData\Local\Temp\~1080529571860438204.cmd"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4628
            • C:\Windows\system32\PING.EXE
              ping -n 2 127.0.0.1
              4⤵
              • System Network Configuration Discovery: Internet Connection Discovery
              • Runs ping.exe
              PID:3836

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        1.3MB

        MD5

        2b4fb46f2c28ed16e6ef82101780491c

        SHA1

        46d8191ab7c89cbebe36b3bf8f9d457fa0751716

        SHA256

        41d006fbc03a5fb95bfc2d2a87459902890b469c1bd85d9ff4e8a4d1bf3b99dd

        SHA512

        9c6412f6edbf98b8f7b52366463e01c28149ac19f94c297892f9fb7aafef41ab16f5e6ea036f5056dd422e402b15e283955b165c284d38264dc662c1a9a968d5

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

        Filesize

        786KB

        MD5

        4f927a44963d8b315693cdf2c4695dd3

        SHA1

        71aa9de5a5882f0f5d8c4bb7ba980f9b3c68e11d

        SHA256

        73f4ea90010122716aa80f43a9d40bf2d5b38f023199f26ec04d4a866e113d3d

        SHA512

        4cbb156404badcd37d8a2c1a1e57017e63ea7b498c6b913685026ce175eca683724956b691ee31b944f4aa5b752aa6a8d21b45391ca65ba76811debd8efe7f9c

      • C:\Users\Admin\AppData\Local\Temp\~1080529571860438204.cmd

        Filesize

        362B

        MD5

        a2edf176be17b4d73fe6acaca1e52ee1

        SHA1

        87cefebf3b4441bd14471e55d856f3b92a6b3270

        SHA256

        bdaf6f180fa6c8b60ba25c4cdd00397b45ef018aaf00a086dcd711c2f3f6995d

        SHA512

        64501a11dcb588a85650cc44f8ec549d17feb1e36ef1b0fcd429f569b209adc29a3741c2cfbb91f6c43ced93a5031a04fdfeaedeab748923c6ce35856fc1eaa6

      • C:\Users\Admin\AppData\Local\Temp\~1123968867598198205.cmd

        Filesize

        280B

        MD5

        42ff656bd4ee3e19a5828940041fdfdb

        SHA1

        2e3c7f0fd42dd48b014e82e9e5edf50664ae5698

        SHA256

        b326705c28abc9947182f84830e0e680d35551157b408a0f9cfd137279a02838

        SHA512

        4ba36b5e44c94df09b91b3557237dae6b74a9fe04da686f157938446cf635c464f616126e937400ee4d577708b3bdcb7f88cec8df23d344bfd7105b75f9ec7b0

      • C:\Users\Admin\AppData\Local\Temp\~6620330734974473204~\sg.tmp

        Filesize

        715KB

        MD5

        7c4718943bd3f66ebdb47ccca72c7b1e

        SHA1

        f9edfaa7adb8fa528b2e61b2b251f18da10a6969

        SHA256

        4cc32d00338fc7b206a7c052297acf9ac304ae7de9d61a2475a116959c1524fc

        SHA512

        e18c40d646fa4948f90f7471da55489df431f255041ebb6dcef86346f91078c9b27894e27216a4b2fe2a1c5e501c7953c77893cf696930123d28a322d49e1516

      • C:\Users\Admin\AppData\Local\Temp\~7514299308440648999.tmp

        Filesize

        2.0MB

        MD5

        b188220131f99f69b3582f6faf49ed04

        SHA1

        97c2dc74c1c5ae1365b1f61024e23a9b7d2f2ae6

        SHA256

        e55d9e70f9ca453e772665c1a286035d3c2d466cb5b5e887bf55706e6750c890

        SHA512

        83be6f1cdc284cb1945cfd230332f52c4db139348cafffa13301dd2e1a1332b5944ac5b62c5a0674a63f40a0a808a56c27254298ff01c827f4bff102a56b1407

      • 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

        1785c2aeecf8e19603872c8b73681cba

        SHA1

        efad939c6eeb68858ba4105b82d33ac65deaef01

        SHA256

        a60033b945c83d22846c9c2be31f8561b14c4ffceddd41be62014e03d4632eef

        SHA512

        8937de98663dea4862a574238786783c203d61927d031c811973bcf56014364ef84bff7bb17dc90dc840f5055dddd593eee69e597673de58a5325c5af4ff32b3

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

        Filesize

        9KB

        MD5

        523d5c39f9d8d2375c3df68251fa2249

        SHA1

        d4ed365c44bec9246fc1a65a32a7791792647a10

        SHA256

        20e3dc90a3e83b6202e2a7f4603b60e5e859639cb68693426c400b13aaeabd78

        SHA512

        526e1bba30d03f1ac177c6ab7409187a730969c429cebef15da68ffcf44b3b93227781eebc827b2f7a0fa17c391e00a0e532263fd0167aeaeb0456f96cfe3ae4

      • memory/324-29-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/324-32-0x0000000000401000-0x00000000004C1000-memory.dmp

        Filesize

        768KB

      • memory/324-30-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/324-31-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/324-71-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/324-27-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/1684-8-0x0000000000400000-0x000000000055C000-memory.dmp

        Filesize

        1.4MB

      • memory/2072-128-0x0000000000400000-0x000000000055C000-memory.dmp

        Filesize

        1.4MB

      • memory/2072-90-0x0000000000400000-0x000000000055C000-memory.dmp

        Filesize

        1.4MB

      • memory/2072-0-0x0000000000400000-0x000000000055C000-memory.dmp

        Filesize

        1.4MB

      • memory/2848-85-0x0000000000400000-0x000000000041C000-memory.dmp

        Filesize

        112KB

      • memory/2848-83-0x0000000000400000-0x000000000041C000-memory.dmp

        Filesize

        112KB

      • memory/2848-82-0x0000000000400000-0x000000000041C000-memory.dmp

        Filesize

        112KB

      • memory/2848-84-0x0000000000400000-0x000000000041C000-memory.dmp

        Filesize

        112KB

      • memory/2848-81-0x0000000000400000-0x000000000041C000-memory.dmp

        Filesize

        112KB

      • memory/2848-89-0x0000000000400000-0x000000000041C000-memory.dmp

        Filesize

        112KB

      • memory/3012-133-0x0000000000400000-0x000000000055C000-memory.dmp

        Filesize

        1.4MB

      • memory/3204-52-0x0000000000400000-0x0000000000441000-memory.dmp

        Filesize

        260KB

      • memory/3204-53-0x0000000000400000-0x0000000000441000-memory.dmp

        Filesize

        260KB

      • memory/3204-51-0x0000000000400000-0x0000000000441000-memory.dmp

        Filesize

        260KB

      • memory/3204-57-0x0000000000400000-0x0000000000441000-memory.dmp

        Filesize

        260KB

      • memory/4480-70-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/4480-72-0x0000000010000000-0x000000001002A000-memory.dmp

        Filesize

        168KB

      • memory/4480-65-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/4480-66-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/4480-64-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/4752-60-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/4752-46-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/4752-48-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/4752-47-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/5004-130-0x0000000000400000-0x000000000055C000-memory.dmp

        Filesize

        1.4MB