Analysis

  • max time kernel
    128s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2023, 02:00

General

  • Target

    6570a2bd9a6a88fd386bf1425db80833df13e5d2e455936f7a6bf17138905e9f.exe

  • Size

    1.4MB

  • MD5

    247ac685e238b8edcc95875e5303ec40

  • SHA1

    6ac20bb4eaf13eda1f1411755195a02e81517bc4

  • SHA256

    6570a2bd9a6a88fd386bf1425db80833df13e5d2e455936f7a6bf17138905e9f

  • SHA512

    6f12e6999664f87184a26a71d14a6775c53a19256022fd198b9ea415d216ab21fa746fc2cbbeddc54dd5debc4e5fedbfe8bcaf9eea38e37802e025d1d018a235

  • SSDEEP

    24576:YNWr3f/sXb7tVo2QxY1Yh8zLf0BaMiaKNwURcx/l9DOFBHq:u4PUftuxYM8zLGaTNzRE/HDOFNq

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • UPX packed file 38 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 20 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:1012
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:800
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:796
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2444
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:3812
            • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
              "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
              1⤵
                PID:3040
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                1⤵
                  PID:1552
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:4976
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:3668
                    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                      1⤵
                        PID:3896
                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                        1⤵
                          PID:3704
                        • C:\Windows\system32\DllHost.exe
                          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                          1⤵
                            PID:3600
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                            1⤵
                              PID:3404
                            • C:\Windows\Explorer.EXE
                              C:\Windows\Explorer.EXE
                              1⤵
                                PID:3204
                                • C:\Users\Admin\AppData\Local\Temp\6570a2bd9a6a88fd386bf1425db80833df13e5d2e455936f7a6bf17138905e9f.exe
                                  "C:\Users\Admin\AppData\Local\Temp\6570a2bd9a6a88fd386bf1425db80833df13e5d2e455936f7a6bf17138905e9f.exe"
                                  2⤵
                                  • Modifies firewall policy service
                                  • UAC bypass
                                  • Windows security bypass
                                  • Windows security modification
                                  • Checks whether UAC is enabled
                                  • Enumerates connected drives
                                  • Drops autorun.inf file
                                  • Drops file in Program Files directory
                                  • Drops file in Windows directory
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Suspicious use of AdjustPrivilegeToken
                                  • Suspicious use of WriteProcessMemory
                                  • System policy modification
                                  PID:3500
                              • C:\Windows\system32\taskhostw.exe
                                taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                1⤵
                                  PID:2664
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                  1⤵
                                    PID:2472
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:4272

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\hbcba.exe

                                      Filesize

                                      97KB

                                      MD5

                                      7f67d4842f9c945ee7330fc3ec1358cd

                                      SHA1

                                      44e8d8766422e5c7dd76539b9bd6ff9cdc90bff6

                                      SHA256

                                      1bb00d8621fdb04f2c0596107550ba75994d49cc1daecfdc7c75c60b78a3ba04

                                      SHA512

                                      48089fb96363113a8caaba58df33be8f2db30b025c1b6c7d951309239cf5b47783926095ba5b11a1311709771f671f46ae86d34436d5471d139a63501d3967ef

                                    • memory/3500-33-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-3-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-4-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-5-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-8-0x0000000000C20000-0x0000000000C22000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3500-9-0x0000000000C30000-0x0000000000C31000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3500-6-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-10-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-11-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-17-0x0000000000C20000-0x0000000000C22000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3500-18-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-19-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-20-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-21-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-22-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-23-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-24-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-25-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-27-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-28-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-34-0x0000000000C20000-0x0000000000C22000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/3500-30-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-0-0x0000000000400000-0x0000000000575000-memory.dmp

                                      Filesize

                                      1.5MB

                                    • memory/3500-35-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-37-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-39-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-42-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-49-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-55-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-56-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-58-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-59-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-61-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-63-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-66-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-67-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-68-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-70-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-73-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-74-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-77-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-1-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-87-0x00000000024F0000-0x00000000035AA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/3500-90-0x0000000000400000-0x0000000000575000-memory.dmp

                                      Filesize

                                      1.5MB