Analysis

  • max time kernel
    128s
  • max time network
    141s
  • 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

    5ccd01e983f6522a5f9f2b2341fecfa7e481c2812a0084dfdfb58017901ee9b0.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 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\5ccd01e983f6522a5f9f2b2341fecfa7e481c2812a0084dfdfb58017901ee9b0.exe
    "C:\Users\Admin\AppData\Local\Temp\5ccd01e983f6522a5f9f2b2341fecfa7e481c2812a0084dfdfb58017901ee9b0.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:2424
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c set
      2⤵
        PID:4804
      • C:\Users\Admin\AppData\Local\Temp\5ccd01e983f6522a5f9f2b2341fecfa7e481c2812a0084dfdfb58017901ee9b0.exe
        PECMD**pecmd-cmd* PUTF -dd -skipb=946176 -len=2057084 "C:\Users\Admin\AppData\Local\Temp\~7222032507192381617.tmp",,C:\Users\Admin\AppData\Local\Temp\5ccd01e983f6522a5f9f2b2341fecfa7e481c2812a0084dfdfb58017901ee9b0.exe
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:380
      • C:\Users\Admin\AppData\Local\Temp\~1375797618713700741~\sg.tmp
        7zG_exe x "C:\Users\Admin\AppData\Local\Temp\~7222032507192381617.tmp" -y -aoa -o"C:\Program Files (x86)\"
        2⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of AdjustPrivilegeToken
        PID:1856
      • 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:4452
        • 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:4776
          • 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:3148
            • 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:2992
            • 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:4720
      • C:\Users\Admin\AppData\Local\Temp\5ccd01e983f6522a5f9f2b2341fecfa7e481c2812a0084dfdfb58017901ee9b0.exe
        PECMD**pecmd-cmd* EXEC -wd:C: -hide cmd /c "C:\Users\Admin\AppData\Local\Temp\~4663657244302215370.cmd"
        2⤵
          PID:1504
          • C:\Windows\SYSTEM32\cmd.exe
            cmd /c "C:\Users\Admin\AppData\Local\Temp\~4663657244302215370.cmd"
            3⤵
              PID:2336
          • C:\Users\Admin\AppData\Local\Temp\5ccd01e983f6522a5f9f2b2341fecfa7e481c2812a0084dfdfb58017901ee9b0.exe
            PECMD**pecmd-cmd* EXEC -wd:C: -hide cmd /c "C:\Users\Admin\AppData\Local\Temp\~76852132765226752.cmd"
            2⤵
              PID:2968
              • C:\Windows\SYSTEM32\cmd.exe
                cmd /c "C:\Users\Admin\AppData\Local\Temp\~76852132765226752.cmd"
                3⤵
                  PID:2864

            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\~1375797618713700741~\sg.tmp

              Filesize

              715KB

              MD5

              7c4718943bd3f66ebdb47ccca72c7b1e

              SHA1

              f9edfaa7adb8fa528b2e61b2b251f18da10a6969

              SHA256

              4cc32d00338fc7b206a7c052297acf9ac304ae7de9d61a2475a116959c1524fc

              SHA512

              e18c40d646fa4948f90f7471da55489df431f255041ebb6dcef86346f91078c9b27894e27216a4b2fe2a1c5e501c7953c77893cf696930123d28a322d49e1516

            • C:\Users\Admin\AppData\Local\Temp\~4663657244302215370.cmd

              Filesize

              280B

              MD5

              42ff656bd4ee3e19a5828940041fdfdb

              SHA1

              2e3c7f0fd42dd48b014e82e9e5edf50664ae5698

              SHA256

              b326705c28abc9947182f84830e0e680d35551157b408a0f9cfd137279a02838

              SHA512

              4ba36b5e44c94df09b91b3557237dae6b74a9fe04da686f157938446cf635c464f616126e937400ee4d577708b3bdcb7f88cec8df23d344bfd7105b75f9ec7b0

            • C:\Users\Admin\AppData\Local\Temp\~7222032507192381617.tmp

              Filesize

              2.0MB

              MD5

              b188220131f99f69b3582f6faf49ed04

              SHA1

              97c2dc74c1c5ae1365b1f61024e23a9b7d2f2ae6

              SHA256

              e55d9e70f9ca453e772665c1a286035d3c2d466cb5b5e887bf55706e6750c890

              SHA512

              83be6f1cdc284cb1945cfd230332f52c4db139348cafffa13301dd2e1a1332b5944ac5b62c5a0674a63f40a0a808a56c27254298ff01c827f4bff102a56b1407

            • C:\Users\Admin\AppData\Local\Temp\~76852132765226752.cmd

              Filesize

              521B

              MD5

              d6d6db37f4dcc247a3649833132278a9

              SHA1

              f2044fa639c24392b903184994afb5e0d3397249

              SHA256

              7eee49d15036ffeec2126573af641a3c44a4cd6d420f09d7038a21718e29e31c

              SHA512

              1e5896e5b36f4b2181f1c065add379df2b4f73867782b89906577633c48dc9745aa737651c8f6677811d13deadb699b22682775f265491ff86c732dc97e21642

            • C:\Users\Admin\AppData\Local\Temp\~~3675607632523623463.tmp

              Filesize

              122B

              MD5

              852a69b9332df50a7594edd8eb1b1e85

              SHA1

              71c8e1eeafd3f2b848b89c51239bf5835c1fd5cc

              SHA256

              05d2b3daf8cd5a5c7a259f38237aea6d1fd18e7343baeeb37ae85bf9057f5580

              SHA512

              d0e1dc890050bec577d41f6be7dd86d407f5f99b775a3fa11dc98d3607bc681d8dfa27e1821d2510b4fa5a5480c312312d3625b1dbf265756e309392c2e36f4f

            • 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/380-9-0x0000000000400000-0x000000000055C000-memory.dmp

              Filesize

              1.4MB

            • memory/1504-132-0x0000000000400000-0x000000000055C000-memory.dmp

              Filesize

              1.4MB

            • memory/2424-130-0x0000000000400000-0x000000000055C000-memory.dmp

              Filesize

              1.4MB

            • memory/2424-0-0x0000000000400000-0x000000000055C000-memory.dmp

              Filesize

              1.4MB

            • memory/2424-90-0x0000000000400000-0x000000000055C000-memory.dmp

              Filesize

              1.4MB

            • memory/2968-135-0x0000000000400000-0x000000000055C000-memory.dmp

              Filesize

              1.4MB

            • memory/2992-72-0x0000000010000000-0x000000001002A000-memory.dmp

              Filesize

              168KB

            • memory/2992-65-0x0000000000400000-0x0000000000430000-memory.dmp

              Filesize

              192KB

            • memory/2992-66-0x0000000000400000-0x0000000000430000-memory.dmp

              Filesize

              192KB

            • memory/2992-67-0x0000000000400000-0x0000000000430000-memory.dmp

              Filesize

              192KB

            • memory/2992-71-0x0000000000400000-0x0000000000430000-memory.dmp

              Filesize

              192KB

            • memory/3148-53-0x0000000000400000-0x0000000000441000-memory.dmp

              Filesize

              260KB

            • memory/3148-58-0x0000000000400000-0x0000000000441000-memory.dmp

              Filesize

              260KB

            • memory/3148-54-0x0000000000400000-0x0000000000441000-memory.dmp

              Filesize

              260KB

            • memory/3148-52-0x0000000000400000-0x0000000000441000-memory.dmp

              Filesize

              260KB

            • memory/4452-31-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/4452-30-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/4452-63-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/4452-29-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/4452-33-0x0000000000401000-0x00000000004C1000-memory.dmp

              Filesize

              768KB

            • memory/4452-32-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/4720-89-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/4720-82-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/4720-81-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/4720-83-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/4720-84-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/4720-85-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/4776-59-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/4776-48-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/4776-47-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/4776-49-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB