Analysis

  • max time kernel
    30s
  • max time network
    96s
  • 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 16:35

General

  • Target

    1dc20ea58857205c178d3d6790c4ef01e3385f8958eb439236ee2c37bd1040adN.dll

  • Size

    120KB

  • MD5

    e7e632de2af8920a36f463ee28e6e500

  • SHA1

    8ce5c4919ed733fe005006b57292e56f73c468b0

  • SHA256

    1dc20ea58857205c178d3d6790c4ef01e3385f8958eb439236ee2c37bd1040ad

  • SHA512

    ea43251a2e5571b6b975cb8682143ec3151997f113bb9b92035e70ec2cbd56c9e882d4bdb4b491294908741db24a2176de72782432a12fc4e83318ce206f1b51

  • SSDEEP

    3072:BqUdMbp2YNuJeLWildq7auurobwlsaUjJvyY4Kj:UUdsp10JeLW1+troEqaUjJ6D

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 12 IoCs

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

  • UPX packed file 27 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:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:336
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2548
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2576
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2668
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3540
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\1dc20ea58857205c178d3d6790c4ef01e3385f8958eb439236ee2c37bd1040adN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2444
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1dc20ea58857205c178d3d6790c4ef01e3385f8958eb439236ee2c37bd1040adN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:920
                      • C:\Users\Admin\AppData\Local\Temp\e57ab24.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ab24.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:4484
                      • C:\Users\Admin\AppData\Local\Temp\e57ac1e.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ac1e.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4220
                      • C:\Users\Admin\AppData\Local\Temp\e57d590.exe
                        C:\Users\Admin\AppData\Local\Temp\e57d590.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 WriteProcessMemory
                        • System policy modification
                        PID:2520
                      • C:\Users\Admin\AppData\Local\Temp\e57d59f.exe
                        C:\Users\Admin\AppData\Local\Temp\e57d59f.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3496
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3644
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3848
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3940
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4032
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:1312
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3920
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4392
                              • 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:672
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:2904

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e57ab24.exe

                                    Filesize

                                    97KB

                                    MD5

                                    92389994b15356afb6db063a3c3c95d2

                                    SHA1

                                    dad3af36c0d4530be1bbfd0c943efd184f7d0cdf

                                    SHA256

                                    c5ecc6348576d74917b1c161381a2bf8d6df02216d11642ad99fc7ea7270a01b

                                    SHA512

                                    7a127dd2843fdf1fcd4cb0a38aadb053af03092dce1a92ea98397a218ef877fe8704b755447500df4e291d2a4aa672ef5e52944fa5364fd15f8f2b47d4938994

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    f38a1d20e8cf9481b1c1f9ad4d48ddd8

                                    SHA1

                                    bef8b7516ada31f2b7d702318baa19d68585f5e6

                                    SHA256

                                    d8afe1932b9b29e21b30a4dc41b529cb7f4649ffee7d061ac1ea13a5fb688e3a

                                    SHA512

                                    d76d0895755a1512bc4202b60c7605f0e3e6415f8de2c02372862fb4f47987ffcaff24aae32e47940ac864d9155abbc1ef52f47c46d8ffc5fd890af013fbb453

                                  • memory/920-23-0x0000000001390000-0x0000000001392000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/920-53-0x0000000001390000-0x0000000001392000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/920-12-0x0000000001390000-0x0000000001392000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/920-16-0x0000000001390000-0x0000000001392000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/920-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/920-22-0x0000000004300000-0x0000000004301000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2520-58-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2520-157-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2520-156-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2520-98-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2520-109-0x0000000000820000-0x00000000018DA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3496-59-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4220-96-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4220-45-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4220-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4220-43-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4220-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4484-40-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-62-0x0000000000630000-0x0000000000632000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4484-38-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-37-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-39-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-24-0x0000000000630000-0x0000000000632000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4484-41-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-9-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-19-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-10-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-11-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-36-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-21-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-60-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-61-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-15-0x0000000000640000-0x0000000000641000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4484-63-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-65-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-66-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-68-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-69-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-73-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-75-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-97-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4484-35-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-32-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-33-0x0000000000630000-0x0000000000632000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4484-20-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-8-0x0000000000850000-0x000000000190A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4484-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB