Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 00:31

General

  • Target

    b748daf40cc41cfa71d1f296c7404b991ebc56f79495facabbc1ed644634477dN.dll

  • Size

    120KB

  • MD5

    fa44432dc294962084453521b54676e0

  • SHA1

    e6fbbba2bce31f557b4c047ee3722a43f05056af

  • SHA256

    b748daf40cc41cfa71d1f296c7404b991ebc56f79495facabbc1ed644634477d

  • SHA512

    a3c279399ba0971a96e8e1686afc0679502bc35e199e56c4aec2ab618ca2ef08a26503f0d10ea699d24e488bca333319d5ea4966a79ab0ae3ce1e3e8a2f1f0bc

  • SSDEEP

    3072:YVop30YoRn5K25IZBQWB59dMAOAqjwK2Ganh/:PyYwn5K25gBQWBjdjj

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 6 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 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 34 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 3 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 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:764
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:772
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:336
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2904
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2924
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2640
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3424
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b748daf40cc41cfa71d1f296c7404b991ebc56f79495facabbc1ed644634477dN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1912
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b748daf40cc41cfa71d1f296c7404b991ebc56f79495facabbc1ed644634477dN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1920
                      • C:\Users\Admin\AppData\Local\Temp\e578ed2.exe
                        C:\Users\Admin\AppData\Local\Temp\e578ed2.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:3332
                      • C:\Users\Admin\AppData\Local\Temp\e57902a.exe
                        C:\Users\Admin\AppData\Local\Temp\e57902a.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3724
                      • C:\Users\Admin\AppData\Local\Temp\e57aa3a.exe
                        C:\Users\Admin\AppData\Local\Temp\e57aa3a.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • System policy modification
                        PID:2096
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3556
                  • 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:4016
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:2304
                            • 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:3572
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2828
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1448

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e578ed2.exe

                                    Filesize

                                    97KB

                                    MD5

                                    64fdadbecf49d7bc77aa0227395e4472

                                    SHA1

                                    5fcdd0361973917ce5fead02d66f98436abcb01c

                                    SHA256

                                    168eeb0d39747f2127d4396669b5ede300f3de56e7ad931e38bdefcbf6e8107a

                                    SHA512

                                    f66efca4f9d85d0ad6c4e41ef1a65904c6e919c176de38030c5a7bf3137f4a2b5978d3c1bf5e5dd60bf2b222f716db5d3fe359e1cace70312ac173446080a3f5

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    583a98330a83d64b8fc5ded11f78cc77

                                    SHA1

                                    3a119c99ae002ff3086f1769f14264a53023cd82

                                    SHA256

                                    9dae059f2de25dbbfbfa00938e47c7084ae25ee7a91ae59c29cf4ada0787b425

                                    SHA512

                                    fbc3856e34bf7fec79ce07f0ec6f3865c76b37465c4a9ac01f574d50dfa9ed8a92e44afab84adc01a6632af5f3e2c57aa976dcfb983778d78da79bb3b921891d

                                  • memory/1920-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1920-24-0x0000000001020000-0x0000000001022000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1920-21-0x0000000001020000-0x0000000001022000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1920-15-0x0000000001030000-0x0000000001031000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1920-14-0x0000000001020000-0x0000000001022000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1920-47-0x0000000001020000-0x0000000001022000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2096-129-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2096-48-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2096-86-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2096-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2096-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2096-65-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2096-134-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2096-135-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-53-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-80-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-8-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-17-0x0000000001C00000-0x0000000001C01000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3332-20-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-35-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-36-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-37-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-39-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-38-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-41-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-42-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-27-0x0000000001BF0000-0x0000000001BF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3332-10-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-11-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-54-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-55-0x0000000001BF0000-0x0000000001BF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3332-57-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-13-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-22-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-19-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3332-9-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-12-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-66-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-67-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-71-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-72-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-75-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-76-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-79-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-6-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-18-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-82-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-84-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-33-0x0000000001BF0000-0x0000000001BF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3332-101-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3332-91-0x0000000001BF0000-0x0000000001BF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3332-105-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3724-109-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3724-81-0x00000000001C0000-0x00000000001C2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3724-59-0x0000000000460000-0x0000000000461000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3724-60-0x00000000001C0000-0x00000000001C2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3724-61-0x00000000001C0000-0x00000000001C2000-memory.dmp

                                    Filesize

                                    8KB