Analysis

  • max time kernel
    117s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/08/2024, 13:44

General

  • Target
    193aa23fd5363803b9bbb1df0c9b79c0N.exe
  • Size 450KB
  • Sample240824-q13mhsvbmp
  • SHA256 34f2b3db88514574c816025191ee7331c912567f28b2e3179618022b3c19fb86
  • MD5 SHA1 SHA512 SSDEEP

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

  • http://www.klkjwre9fqwieluoi.info/

  • http://kukutrustnet777888.info/

Signatures

  • Floxif, Floodfix

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

  • Modifies firewall policy service 3 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
  • Detects Floxif payload 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 45 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 22 IoCs

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

  • Drops file in Program Files directory 13 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 10 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2648
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2700
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2996
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3400
                  • C:\Users\Admin\AppData\Local\Temp\193aa23fd5363803b9bbb1df0c9b79c0N.exe
                    "C:\Users\Admin\AppData\Local\Temp\193aa23fd5363803b9bbb1df0c9b79c0N.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Loads dropped DLL
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:2912
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c echo rescan > C:\Users\Admin\AppData\Local\Temp\diskpartlog.txt
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:4768
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c diskpart /s C:\Users\Admin\AppData\Local\Temp\diskpartlog.txt
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1852
                      • C:\Windows\SysWOW64\diskpart.exe
                        diskpart /s C:\Users\Admin\AppData\Local\Temp\diskpartlog.txt
                        4⤵
                        • System Location Discovery: System Language Discovery
                        PID:2444
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c echo lis vol > C:\Users\Admin\AppData\Local\Temp\vol.txt
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:448
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c diskpart /s C:\Users\Admin\AppData\Local\Temp\vol.txt > C:\Users\Admin\AppData\Local\Temp\voldiskpartlog.txt
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2396
                      • C:\Windows\SysWOW64\diskpart.exe
                        diskpart /s C:\Users\Admin\AppData\Local\Temp\vol.txt
                        4⤵
                        • System Location Discovery: System Language Discovery
                        PID:4756
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c echo lis disk > C:\Users\Admin\AppData\Local\Temp\disk.txt
                      3⤵
                      • System Location Discovery: System Language Discovery
                      PID:4816
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c diskpart /s C:\Users\Admin\AppData\Local\Temp\disk.txt > C:\Users\Admin\AppData\Local\Temp\diskdiskpartlog.txt
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2328
                      • C:\Windows\SysWOW64\diskpart.exe
                        diskpart /s C:\Users\Admin\AppData\Local\Temp\disk.txt
                        4⤵
                        • System Location Discovery: System Language Discovery
                        PID:1420
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3520
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3712
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3804
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3864
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3948
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4076
                            • 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:2892
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1140
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2064
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                    1⤵
                                      PID:336
                                    • C:\Windows\System32\vdsldr.exe
                                      C:\Windows\System32\vdsldr.exe -Embedding
                                      1⤵
                                        PID:1676
                                      • C:\Windows\System32\vds.exe
                                        C:\Windows\System32\vds.exe
                                        1⤵
                                        • Checks SCSI registry key(s)
                                        • Suspicious use of AdjustPrivilegeToken
                                        PID:1564
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:548
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:2760
                                          • C:\Windows\System32\vdsldr.exe
                                            C:\Windows\System32\vdsldr.exe -Embedding
                                            1⤵
                                              PID:3280

                                            Network

                                                  MITRE ATT&CK Enterprise v15

                                                  Replay Monitor

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                                                  Downloads

                                                  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

                                                  disk.txt

                                                  • Path C:\Users\Admin\AppData\Local\Temp\disk.txt
                                                  • Size 11B
                                                  • SHA256 2790606beac6ec65ea6b096c822186e83147a081da927fdcec7cd40a55c9549b
                                                  • MD5 SHA1 SHA512

                                                  diskdiskpartlog.txt

                                                  • Path C:\Users\Admin\AppData\Local\Temp\diskdiskpartlog.txt
                                                  • Size 274B
                                                  • SHA256 78518f76987499344e88da5c2158cdb1b8a5d1aef53bc50f689f8359b58efba1
                                                  • MD5 SHA1 SHA512

                                                  diskpartlog.txt

                                                  • Path C:\Users\Admin\AppData\Local\Temp\diskpartlog.txt
                                                  • Size 9B
                                                  • SHA256 23f7ed0dae26693fc5232a2095b2eb30fc7d0df1a8c5bee171519c0eeb3c2705
                                                  • MD5 SHA1 SHA512

                                                  vol.txt

                                                  • Path C:\Users\Admin\AppData\Local\Temp\vol.txt
                                                  • Size 10B
                                                  • SHA256 23f21c3fb12d231828aaf2c957a6a0c287cfda554719018bc4640b0f43bfb0ad
                                                  • MD5 SHA1 SHA512

                                                  voldiskpartlog.txt

                                                  • Path C:\Users\Admin\AppData\Local\Temp\voldiskpartlog.txt
                                                  • Size 592B
                                                  • SHA256 9813aa337bd0eafd0084df698839864e702d995c6915d0201c08c9b848f3eb39
                                                  • MD5 SHA1 SHA512

                                                  memory/2912-52-0x0000000010000000-0x0000000010030000-memory.dmp

                                                  memory/2912-56-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-18-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-10-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-20-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-23-0x0000000005D70000-0x0000000005D72000-memory.dmp

                                                  memory/2912-24-0x0000000005D70000-0x0000000005D72000-memory.dmp

                                                  memory/2912-19-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-22-0x0000000005D80000-0x0000000005D81000-memory.dmp

                                                  memory/2912-21-0x0000000005D70000-0x0000000005D72000-memory.dmp

                                                  memory/2912-25-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-28-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-27-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-34-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-35-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-7-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-36-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-38-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-39-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-50-0x0000000000400000-0x00000000004B2000-memory.dmp

                                                  memory/2912-51-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-5-0x0000000010000000-0x0000000010030000-memory.dmp

                                                  memory/2912-53-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-55-0x0000000010000000-0x0000000010030000-memory.dmp

                                                  memory/2912-54-0x0000000000400000-0x00000000004B2000-memory.dmp

                                                  memory/2912-9-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-58-0x0000000005D70000-0x0000000005D72000-memory.dmp

                                                  memory/2912-59-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-60-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-64-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-66-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-70-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-72-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-74-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-77-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-79-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-82-0x0000000010000000-0x0000000010030000-memory.dmp

                                                  memory/2912-81-0x0000000000400000-0x00000000004B2000-memory.dmp

                                                  memory/2912-84-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-86-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-90-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-96-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-98-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-99-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-101-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-0-0x0000000000400000-0x00000000004B2000-memory.dmp

                                                  memory/2912-106-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-107-0x0000000003FD0000-0x000000000505E000-memory.dmp

                                                  memory/2912-109-0x0000000003FD0000-0x000000000505E000-memory.dmp