Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 20:27

General

  • Target

    1c86884ba69d0250185405606a4eb699d546004fff8a5f88d07fed066a460d0bN.dll

  • Size

    120KB

  • MD5

    f00ae4bdbaa9bbc57e51ba833dfd8950

  • SHA1

    9f5b6e11a22a051bba58a3973a76a7d099d14b43

  • SHA256

    1c86884ba69d0250185405606a4eb699d546004fff8a5f88d07fed066a460d0b

  • SHA512

    1d7bd69e881d1fe748a0c946cd0812cf558ea0f21fb4d28685ee918010ee066ab604a888a18a490fe655b14b7d11f354560c4698e4373d29566e88eded004971

  • SSDEEP

    3072:T6zf/0IaPB4Wh709StVW+9yFztGZiHvr6UGatqYG4:TWf6Z4g0kW+EFwiHNGv

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 14 IoCs

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

  • UPX packed file 31 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • 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 50 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:800
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:804
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2964
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3016
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:876
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3500
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\1c86884ba69d0250185405606a4eb699d546004fff8a5f88d07fed066a460d0bN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:5032
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1c86884ba69d0250185405606a4eb699d546004fff8a5f88d07fed066a460d0bN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2332
                      • C:\Users\Admin\AppData\Local\Temp\e57b14e.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b14e.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 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:1244
                      • C:\Users\Admin\AppData\Local\Temp\e57b2b6.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b2b6.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4204
                      • C:\Users\Admin\AppData\Local\Temp\e57ccc6.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ccc6.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4832
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3592
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3780
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3876
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3940
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4064
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4168
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4296
                              • 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:3112
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:3236

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e57b14e.exe

                                    Filesize

                                    97KB

                                    MD5

                                    1f80e35091c00b949b7308d00d14161f

                                    SHA1

                                    887867661cdc371709e2b828c88494340727dba8

                                    SHA256

                                    ba3c4d32bf5184d50566072c6f981715c51559e0d9202ba9217ea65f41534629

                                    SHA512

                                    e8976f3a6769999b646b4e4fabba13035c42e577ffe65bfa2867c541a7a3fbcf03878352006711792f705b59ec3c1b3299ad7dd5007f484ba5bf0f09ee2cb69b

                                  • memory/1244-83-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-70-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-10-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-12-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-17-0x00000000005F0000-0x00000000005F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1244-9-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-11-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-13-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-36-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-28-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-33-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-27-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1244-30-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1244-31-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-104-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1244-95-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1244-84-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-66-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-23-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-8-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1244-38-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-39-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-41-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-42-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-37-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-82-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-51-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-53-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1244-54-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-55-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-79-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-78-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-75-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-74-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-71-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-35-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1244-65-0x00000000008F0000-0x00000000019AA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2332-14-0x0000000000D70000-0x0000000000D72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2332-29-0x0000000000D70000-0x0000000000D72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2332-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/2332-15-0x0000000000D80000-0x0000000000D81000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2332-24-0x0000000000D70000-0x0000000000D72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4204-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4204-80-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4204-58-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4204-59-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4204-108-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4832-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4832-50-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4832-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4832-85-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4832-61-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4832-112-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB