Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 00:25

General

  • Target

    a338a47e555ce3b6df0223777d4a7c9886dabb83dbb31a2d70b2618d63e9110d.dll

  • Size

    120KB

  • MD5

    c850d056cc0d91ca955cdf7ccca4ac59

  • SHA1

    705496d93152c25d6f4b0ddaa07fd1048e924ffa

  • SHA256

    a338a47e555ce3b6df0223777d4a7c9886dabb83dbb31a2d70b2618d63e9110d

  • SHA512

    3fe54507833c2b3d3f2791cf7d15d14811caf576d4e7df0cec13d238b19a439d1ad2d56ea3c4049389b02c7069379d13df98c2fba641f7265e8e731dd37a1612

  • SSDEEP

    3072:1VaQc7YLD0OHwM2mq349baISXXaRT+5oWjB:s4AOHwMW34ZI+YoW1

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 3 TTPs 3 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 3 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 9 IoCs

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

  • UPX packed file 25 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:772
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:780
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2820
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2928
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3052
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3528
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a338a47e555ce3b6df0223777d4a7c9886dabb83dbb31a2d70b2618d63e9110d.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:212
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a338a47e555ce3b6df0223777d4a7c9886dabb83dbb31a2d70b2618d63e9110d.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4708
                      • C:\Users\Admin\AppData\Local\Temp\e57b3fe.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b3fe.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Enumerates connected drives
                        • 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:3728
                      • C:\Users\Admin\AppData\Local\Temp\e57b4f8.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b4f8.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4292
                      • C:\Users\Admin\AppData\Local\Temp\e57da04.exe
                        C:\Users\Admin\AppData\Local\Temp\e57da04.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4472
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3652
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3836
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3928
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3996
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4084
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3960
                            • 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:3768
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2488
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4776

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e57b3fe.exe

                                    Filesize

                                    97KB

                                    MD5

                                    d0f0188ff00e0af16ac796c8fe62404d

                                    SHA1

                                    b41943df0049f0a2dc5385627055cdbffc0678aa

                                    SHA256

                                    443659c41f012d0a0d0c12e03766a61033df262e7e28c3ef38bbad1f90ef9ff0

                                    SHA512

                                    cad504fb0cd0036e7e4a919f25a186640ad20ac970c74189efe69f5322a6127ea73cf20113e1ba08c5f83e50fe2f86413e636a0ae7b0e02cf90a85cee9d46894

                                  • memory/3728-38-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-73-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-20-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-40-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-26-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-28-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-95-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3728-34-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-29-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3728-35-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-31-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3728-11-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-78-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-10-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-9-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-60-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-39-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-71-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-8-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-36-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-37-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-70-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-41-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3728-15-0x0000000001A80000-0x0000000001A81000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3728-67-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-65-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-63-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-62-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3728-61-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3728-57-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4292-99-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4292-94-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4292-51-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4292-55-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4292-52-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4292-32-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4472-56-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4472-54-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4472-58-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4472-103-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4708-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4708-25-0x0000000002600000-0x0000000002601000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4708-16-0x0000000002380000-0x0000000002382000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4708-27-0x0000000002380000-0x0000000002382000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4708-12-0x0000000002380000-0x0000000002382000-memory.dmp

                                    Filesize

                                    8KB