Analysis

  • max time kernel
    99s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/11/2024, 11:21

General

  • Target

    3bc081def2c262543c42c19601fc5b45076b8287e0632fde2c989791ba59f106N.dll

  • Size

    120KB

  • MD5

    355e949ac79099c6fba5564a94406690

  • SHA1

    4d3d6f66565b49b4196164900dd7d3906f5aa7c0

  • SHA256

    3bc081def2c262543c42c19601fc5b45076b8287e0632fde2c989791ba59f106

  • SHA512

    90300cff4c8ec8d7fd748ed6c827302680149455737e69a90740f0439139b08fb97d6971d7b3cf2d1b8cc30516a0339f5254e8865fc602404da96c44aaaaffc6

  • SSDEEP

    3072:3vhaXH3BaioPJYx+ESno1xyINnc07nPM8:fiRaDPlESnkxyIN5n

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 4 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 4 IoCs

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

  • UPX packed file 30 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:336
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2684
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2696
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2908
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3436
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bc081def2c262543c42c19601fc5b45076b8287e0632fde2c989791ba59f106N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1608
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bc081def2c262543c42c19601fc5b45076b8287e0632fde2c989791ba59f106N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1244
                      • C:\Users\Admin\AppData\Local\Temp\e57a316.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a316.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:4088
                      • C:\Users\Admin\AppData\Local\Temp\e57a5c5.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a5c5.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:212
                      • C:\Users\Admin\AppData\Local\Temp\e57e407.exe
                        C:\Users\Admin\AppData\Local\Temp\e57e407.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
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:2880
                      • C:\Users\Admin\AppData\Local\Temp\e57e445.exe
                        C:\Users\Admin\AppData\Local\Temp\e57e445.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2956
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3572
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3752
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3848
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3916
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4008
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4232
                            • 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:2416
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1268
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1768
                                  • C:\Windows\system32\BackgroundTaskHost.exe
                                    "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                    1⤵
                                      PID:4932
                                    • C:\Windows\System32\RuntimeBroker.exe
                                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                                      1⤵
                                        PID:4732
                                      • C:\Windows\System32\RuntimeBroker.exe
                                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                                        1⤵
                                          PID:4516

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\e57a316.exe

                                          Filesize

                                          97KB

                                          MD5

                                          004be99f353c22b5891ccab53200af2e

                                          SHA1

                                          293a1667bb4ba8ae54cc487cb224e78037468112

                                          SHA256

                                          506ba279e3ce09813a3a6af01b71146567c7c9315e020a6696ddadd36e95df18

                                          SHA512

                                          7ea08d5ea704634d01a7773d8e92ca162005baf565a572d6526c24019fd66d4ce3098031cece665bb6473e0aaa263db7f81b6d1aa32bdb6ca97105b40ab1e5ec

                                        • C:\Windows\SYSTEM.INI

                                          Filesize

                                          257B

                                          MD5

                                          ecb58eb86947e0a5cfb3da2b1a754ef0

                                          SHA1

                                          25183cb9cb4f6b58d329f2ecd5178ff97ed4b778

                                          SHA256

                                          5259e85490e089efb254f783b20df534d922d5f5ed61e3eb976f5023b4b8c3e2

                                          SHA512

                                          060caf6e02307b19ea8ae7603c2c0caaebae46ca40cc68e5ca183b110a4d46256402b79f702e98e05672b1d11d39c57e3276085cc371ff8e64d8c10aa4529530

                                        • memory/212-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/212-88-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/212-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/212-41-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/212-40-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1244-20-0x0000000004000000-0x0000000004002000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1244-28-0x0000000004000000-0x0000000004002000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/1244-29-0x0000000004130000-0x0000000004131000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/1244-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                          Filesize

                                          128KB

                                        • memory/1244-21-0x0000000004000000-0x0000000004002000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/2880-91-0x0000000000840000-0x00000000018FA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2880-93-0x0000000000840000-0x00000000018FA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2880-97-0x0000000000840000-0x00000000018FA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2880-92-0x0000000000840000-0x00000000018FA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2880-94-0x0000000000840000-0x00000000018FA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2880-135-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/2880-136-0x0000000000840000-0x00000000018FA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2880-96-0x0000000000840000-0x00000000018FA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2880-95-0x0000000000840000-0x00000000018FA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2880-98-0x0000000000840000-0x00000000018FA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2880-89-0x0000000000840000-0x00000000018FA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/2956-120-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/2956-59-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4088-34-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4088-6-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4088-43-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4088-9-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4088-46-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4088-38-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4088-58-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4088-61-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4088-63-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4088-64-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4088-69-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4088-84-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4088-8-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4088-42-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4088-10-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4088-36-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4088-37-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4088-11-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4088-18-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4088-27-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4088-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                          Filesize

                                          72KB

                                        • memory/4088-33-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4088-19-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB

                                        • memory/4088-30-0x00000000019F0000-0x00000000019F2000-memory.dmp

                                          Filesize

                                          8KB

                                        • memory/4088-25-0x0000000001A00000-0x0000000001A01000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/4088-17-0x00000000007F0000-0x00000000018AA000-memory.dmp

                                          Filesize

                                          16.7MB