Analysis

  • max time kernel
    120s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/08/2024, 19:06

General

  • Target
    58d72eed4b1c417da944d222872f3680N.exe
  • Size 1.5MB
  • Sample240823-xsflcatbpl
  • SHA256 6ccf3cc4749e22bf91defc2a7356c90c165e4c960d89c796e2b7ba0797f7eb54
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Detects Floxif payload 1 IoCs
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 14 IoCs
  • UPX packed file 19 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 5 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 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 behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\58d72eed4b1c417da944d222872f3680N.exe
    "C:\Users\Admin\AppData\Local\Temp\58d72eed4b1c417da944d222872f3680N.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:404
    • \??\c:\users\admin\appdata\local\temp\58d72eed4b1c417da944d222872f3680n.exe 
      c:\users\admin\appdata\local\temp\58d72eed4b1c417da944d222872f3680n.exe 
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Enumerates connected drives
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2664
      • C:\583b3c5bd909209adb\Setup.exe
        C:\583b3c5bd909209adb\\Setup.exe /x86 /x64 /web
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3620
    • C:\Windows\Resources\Themes\icsys.icn.exe
      C:\Windows\Resources\Themes\icsys.icn.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2284
      • \??\c:\windows\resources\themes\explorer.exe
        c:\windows\resources\themes\explorer.exe
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Drops file in System32 directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3608
        • \??\c:\windows\resources\spoolsv.exe
          c:\windows\resources\spoolsv.exe SE
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4124
          • \??\c:\windows\resources\svchost.exe
            c:\windows\resources\svchost.exe
            5⤵
            • Modifies visiblity of hidden/system files in Explorer
            • Executes dropped EXE
            • Loads dropped DLL
            • Adds Run key to start application
            • Drops file in System32 directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:1488
            • \??\c:\windows\resources\spoolsv.exe
              c:\windows\resources\spoolsv.exe PR
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:3572

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\1025\LocalizedData.xml
        • Size 77KB
        • SHA256 a5affd9a719eb2370c41558f82977de101ad263337bef9a8ce51a6e7eabceaa9
        • MD5 SHA1 SHA512 SSDEEP

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\1028\LocalizedData.xml
        • Size 66KB
        • SHA256 4b1e4b8ff936c2453a68f6b75ee72184b768a0b47b440b42b29ce8c02b62d8ab
        • MD5 SHA1 SHA512 SSDEEP

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\1029\LocalizedData.xml
        • Size 82KB
        • SHA256 1aa140b922e363c1491afab9543b1f9cc385933d6a8fedbd7230e30bfbc98667
        • MD5 SHA1 SHA512 SSDEEP

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\1030\LocalizedData.xml
        • Size 80KB
        • SHA256 bcdb5108f5b4753ccf1ce524aa4602911c43f30e20c21a698ed1cb1a9983d991
        • MD5 SHA1 SHA512 SSDEEP

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\1031\LocalizedData.xml
        • Size 84KB
        • SHA256 c063d80197fcc9d73711fb0d01737f18cdf308be57e14aedb090aee5e9bb1102
        • MD5 SHA1 SHA512 SSDEEP

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\1032\LocalizedData.xml
        • Size 86KB
        • SHA256 706c463edb8f8a5ecec87d6cdd28d009993418f47f61c5672d2607ced606167a
        • MD5 SHA1 SHA512 SSDEEP

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\1033\LocalizedData.xml
        • Size 80KB
        • SHA256 773208590d9dd78a7974067427c5a2ba86749004f4745c8ab096a7d28284639f
        • MD5 SHA1 SHA512 SSDEEP

        SetupResources.dll

        • Path C:\583b3c5bd909209adb\1033\SetupResources.dll
        • Size 22KB
        • SHA256 93496568bc0c27273a8d8eaea02c217e4d7483ba9b7781de2d16ec75369bc72d
        • MD5 SHA1 SHA512 SSDEEP

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\1035\LocalizedData.xml
        • Size 80KB
        • SHA256 e41fb795c23aa249c2331cbb0d6688bb04244a6595b586c74668d901ee277105
        • MD5 SHA1 SHA512 SSDEEP

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\1036\LocalizedData.xml
        • Size 84KB
        • SHA256 7afe6ac06b0568c431b1ba5199ed69affe0ebe2ac98eaec2fa33d0c39317eb93
        • MD5 SHA1 SHA512 SSDEEP

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\1037\LocalizedData.xml
        • Size 75KB
        • SHA256 f572f02b400d1f3816fe89ad2e12df2417324ebe207dcf2cd9f85da99cf8fc3a
        • MD5 SHA1 SHA512 SSDEEP

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\1038\LocalizedData.xml
        • Size 83KB
        • SHA256 2ab5c5bbedc120ee51911018f1ea784f863604c98f6e39d072d7b14de138f8d5
        • MD5 SHA1 SHA512 SSDEEP

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\1040\LocalizedData.xml
        • Size 82KB
        • SHA256 bcfb5c7c7279e78079b2affb219ad29c41c42842cbd308c23c7b3ba2aad4bc03
        • MD5 SHA1 SHA512 SSDEEP

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\1041\LocalizedData.xml
        • Size 72KB
        • SHA256 d903947eb00751ecadc5a004374b1d372ee16624d5e1432646a39f9761080ac9
        • MD5 SHA1 SHA512 SSDEEP

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\1042\LocalizedData.xml
        • Size 70KB
        • SHA256 10fe9d989cb5fe32fbd5ceb09987d17dabcff08fc24b732d3253e5936e5567c0
        • MD5 SHA1 SHA512 SSDEEP

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\1043\LocalizedData.xml
        • Size 82KB
        • SHA256 31aacab510c040029580ea2cf5dbfb213eb619b9c199053dce7b93a213dd195d
        • MD5 SHA1 SHA512 SSDEEP

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\1044\LocalizedData.xml
        • Size 81KB
        • SHA256 fced33635575839113ab0cba6e3684b10ec3ec989cecd73e02714d1dbb448c6d
        • MD5 SHA1 SHA512 SSDEEP

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\1045\LocalizedData.xml
        • Size 84KB
        • SHA256 4f7a75b701f1ed41f4633b68eb76fa92be8e1b7765ca40248bc4c995237778f0
        • MD5 SHA1 SHA512 SSDEEP

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\1046\LocalizedData.xml
        • Size 81KB
        • SHA256 cf36dfcb97991b3089dc6b30a575b1ee305cd40dc8075ef18efd26d196d7bb79
        • MD5 SHA1 SHA512 SSDEEP

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\1049\LocalizedData.xml
        • Size 83KB
        • SHA256 9cfe926adb0da790dc20a6a535ac1ec7f740ec9c9e9200da9074d2440cf15d06
        • MD5 SHA1 SHA512 SSDEEP

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\1053\LocalizedData.xml
        • Size 80KB
        • SHA256 0649f8fa81c71ecea1dab9e8be7f631350d935abf44bc2db4915d9b5f7cfd61b
        • MD5 SHA1 SHA512 SSDEEP

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\1055\LocalizedData.xml
        • Size 80KB
        • SHA256 fc9b8c12d3d6719cfa86bc90d96eedea1b397dbebadb02dc1a9fc29cd488002c
        • MD5 SHA1 SHA512 SSDEEP

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\2052\LocalizedData.xml
        • Size 66KB
        • SHA256 4e31f59cfe7f8ffd025758d70919201962c2429f2f99d4d4aa263316cdc4e707
        • MD5 SHA1 SHA512 SSDEEP

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\2070\LocalizedData.xml
        • Size 83KB
        • SHA256 0f582a7d64897d9c65269860b2ebd54b7d14805ba12fce3e2ea0c8d87a9e7b63
        • MD5 SHA1 SHA512 SSDEEP

        LocalizedData.xml

        • Path C:\583b3c5bd909209adb\3082\LocalizedData.xml
        • Size 82KB
        • SHA256 d7c7cd7f46b5660b5241a62c55420bfc5c21bc8e63e97dd2f7425ce1487ac4a4
        • MD5 SHA1 SHA512 SSDEEP

        DHTMLHeader.html

        • Path C:\583b3c5bd909209adb\DHTMLHeader.html
        • Size 15KB
        • SHA256 e139af8858fe90127095ac1c4685bcd849437ef0df7c416033554703f5d864bb
        • MD5 SHA1 SHA512 SSDEEP

        ParameterInfo.xml

        • Path C:\583b3c5bd909209adb\ParameterInfo.xml
        • Size 2.3MB
        • SHA256 15da6e531c24b59601734ea3f197e62d7dce32ba65d08d5244197d1928c354e7
        • MD5 SHA1 SHA512 SSDEEP

        Setup.exe

        • Path C:\583b3c5bd909209adb\Setup.exe
        • Size 80KB
        • SHA256 a842c5cd18113e05b1318bc8dc10d9a7ade039ce8bd7da4e067a50af4d287895
        • MD5 SHA1 SHA512 SSDEEP

        SetupEngine.dll

        • Path C:\583b3c5bd909209adb\SetupEngine.dll
        • Size 859KB
        • SHA256 f82490a36ee313a95af8eae534d05945a6d30304b4fda034e19029435c25710a
        • MD5 SHA1 SHA512 SSDEEP

        SetupEngine.dll.tmp

        • Path C:\583b3c5bd909209adb\SetupEngine.dll.tmp
        • Size 936KB
        • SHA256 dc8c75d17c42c3b8716962b12604c601dac53c040560caf78428423e84ac7c60
        • MD5 SHA1 SHA512 SSDEEP

        SetupUi.dll

        • Path C:\583b3c5bd909209adb\SetupUi.dll
        • Size 306KB
        • SHA256 406fa7db06d9aa56b91ce6578d99fa1e5dc0a3c4517a60983825b8e054ded280
        • MD5 SHA1 SHA512 SSDEEP

        SetupUi.xsd

        • Path C:\583b3c5bd909209adb\SetupUi.xsd
        • Size 31KB
        • SHA256 aaf8cb1a9af89d250cbc0893a172e2c406043b1f81a211cb93604f165b051848
        • MD5 SHA1 SHA512 SSDEEP

        SplashScreen.bmp

        • Path C:\583b3c5bd909209adb\SplashScreen.bmp
        • Size 117KB
        • SHA256 b05141dbc71669a7872a8e735e5e43a7f9713d4363b7a97543e1e05dcd7470a7
        • MD5 SHA1 SHA512 SSDEEP

        Strings.xml

        • Path C:\583b3c5bd909209adb\Strings.xml
        • Size 13KB
        • SHA256 2a7a44fb25476886617a1ec294a20a37552fd0824907f5284fade3e496ed609b
        • MD5 SHA1 SHA512 SSDEEP

        UiInfo.xml

        • Path C:\583b3c5bd909209adb\UiInfo.xml
        • Size 68KB
        • SHA256 7e6d551037d889ee3eb5fab8b84f23cc9ce459c6150104a5d7f5c78ecf81c6d0
        • MD5 SHA1 SHA512 SSDEEP

        print.ico

        • Path C:\583b3c5bd909209adb\graphics\print.ico
        • Size 123KB
        • SHA256 d80ffeb020927f047c11fc4d9f34f985e0c7e5dfea9fb23f2bc134874070e4e6
        • MD5 SHA1 SHA512 SSDEEP

        save.ico

        • Path C:\583b3c5bd909209adb\graphics\save.ico
        • Size 123KB
        • SHA256 1372c7f132595ddad210c617e44fedff7a990a9e8974cc534ca80d897dd15abd
        • MD5 SHA1 SHA512 SSDEEP

        setup.ico

        • Path C:\583b3c5bd909209adb\graphics\setup.ico
        • Size 123KB
        • SHA256 a0c7b4b17a69775e1d94123dfceec824744901d55b463ba9dca9301088f12ea5
        • MD5 SHA1 SHA512 SSDEEP

        warn.ico

        • Path C:\583b3c5bd909209adb\graphics\warn.ico
        • Size 194KB
        • SHA256 4bb9ea033f4e93dbf42fc74e6faf94fe8b777a34836f7d537436cbe409fd743f
        • MD5 SHA1 SHA512 SSDEEP

        sqmapi.dll

        • Path C:\583b3c5bd909209adb\sqmapi.dll
        • Size 223KB
        • SHA256 048d51885874d62952e150d69489bcfb643a5131ce8b70a49f10dfb34832702c
        • MD5 SHA1 SHA512 SSDEEP

        symsrv.dll

        • Path C:\Program Files\Common Files\System\symsrv.dll
        • Size 67KB
        • SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
        • MD5 SHA1 SHA512 SSDEEP

        symsrv.dll.000

        • Path C:\Program Files\Common Files\System\symsrv.dll.000
        • Size 175B
        • SHA256 eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1
        • MD5 SHA1 SHA512

        58d72eed4b1c417da944d222872f3680N.exe.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\58d72eed4b1c417da944d222872f3680N.exe.tmp
        • Size 1.6MB
        • SHA256 ed09335e3eac0690803bb8c416fd14b589a90605eebec20ec09ed7ca3feda88c
        • MD5 SHA1 SHA512 SSDEEP

        58d72eed4b1c417da944d222872f3680n.exe 

        • Path C:\Users\Admin\AppData\Local\Temp\58d72eed4b1c417da944d222872f3680n.exe 
        • Size 1.4MB
        • SHA256 ea0dab525a16704484188697e8dcd701d4246627fe88522d0e123405d61cbc0c
        • MD5 SHA1 SHA512 SSDEEP

        HFI6D51.tmp.html

        • Path C:\Users\Admin\AppData\Local\Temp\HFI6D51.tmp.html
        • Size 17KB
        • SHA256 8157e977fc6fd3a98b968916c040893433aed01f8293de53c91f5b7d270dc20b
        • MD5 SHA1 SHA512 SSDEEP

        explorer.exe

        • Path C:\Windows\Resources\Themes\explorer.exe
        • Size 135KB
        • SHA256 aa9632bfbda16a077f6a31a258f97030aa609dea81e5d4484c7e6ba270427b78
        • MD5 SHA1 SHA512 SSDEEP

        icsys.icn.exe

        • Path C:\Windows\Resources\Themes\icsys.icn.exe
        • Size 135KB
        • SHA256 3dfb4183520095dfd63e48a9d0572a775ebe1c9a1a70f1ac238724b799a7fd46
        • MD5 SHA1 SHA512 SSDEEP

        spoolsv.exe

        • Path C:\Windows\Resources\spoolsv.exe
        • Size 135KB
        • SHA256 3566ccbaba3bd0a606c0475b911fc200522e8a6dad14493139f0f4f295da1ca4
        • MD5 SHA1 SHA512 SSDEEP

        svchost.exe

        • Path C:\Windows\Resources\svchost.exe
        • Size 135KB
        • SHA256 8d53671670fa8ccc088585ae7a003a33724cebea34737cda30a0e3fea3f8daeb
        • MD5 SHA1 SHA512 SSDEEP

        memory/404-0-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/404-353-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/1488-357-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/1488-407-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/1488-335-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/1488-336-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/2284-351-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/2284-352-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/2284-349-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/2664-297-0x0000000000A20000-0x0000000000A54000-memory.dmp

        memory/2664-12-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/2664-409-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/2664-245-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/2664-399-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/2664-369-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/2664-359-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/2664-293-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3572-337-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3572-343-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3572-342-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3608-354-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3608-362-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3608-312-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3608-406-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3620-294-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3620-229-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/3620-309-0x0000000073CE0000-0x0000000073DB9000-memory.dmp

        memory/4124-324-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/4124-345-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4124-346-0x0000000010000000-0x0000000010030000-memory.dmp