Analysis

  • max time kernel
    92s
  • 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
    17-12-2024 04:11

General

  • Target

    77ec58595df54d2b0d11f77e05afdc4627c8c61d46d096cd76cd4b83429a0b9c.dll

  • Size

    120KB

  • MD5

    fc00421e8afd6a28e062f48f2f0ce4bb

  • SHA1

    6e3c1d92e2cb405b34b6132a90911721221d6c0c

  • SHA256

    77ec58595df54d2b0d11f77e05afdc4627c8c61d46d096cd76cd4b83429a0b9c

  • SHA512

    d4a61300f79dec5acb00ae58a528dc23de819a97fc10290f90fb9792b24406fa98e0758272425d4d604b48ea850c83a7a8ee3a0cf0bac287b64f404117aab98f

  • SSDEEP

    3072:e2wAnaOrQR7SBj6HtmOJxJjEnYrFPVlrTl2/3:LwA9rrwNBJjm6Fdlnl+3

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 8 IoCs

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

  • UPX packed file 28 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 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 63 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:340
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2588
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2668
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2804
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3588
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\77ec58595df54d2b0d11f77e05afdc4627c8c61d46d096cd76cd4b83429a0b9c.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4048
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\77ec58595df54d2b0d11f77e05afdc4627c8c61d46d096cd76cd4b83429a0b9c.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4712
                      • C:\Users\Admin\AppData\Local\Temp\e57a558.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a558.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:2644
                      • C:\Users\Admin\AppData\Local\Temp\e57a6b0.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a6b0.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4544
                      • C:\Users\Admin\AppData\Local\Temp\e57de3a.exe
                        C:\Users\Admin\AppData\Local\Temp\e57de3a.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:4220
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3748
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3928
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:4032
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3004
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3176
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4212
                            • 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:764
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1744

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e57a558.exe

                                  Filesize

                                  97KB

                                  MD5

                                  907a955c4395bae99738fc325d180745

                                  SHA1

                                  96b331ce7d13799a84bce2f11a070e6043a430db

                                  SHA256

                                  23ece49a1bd1ddba305e117a30d6cfb07ebea578830b67f3226d518c1c2b7bb5

                                  SHA512

                                  4c66c643004ae0910f0d5d2b8b901b597de8b3af2d94f9adbb183a726e76676ca55f8d05ed32e2aeec9c88032a05b5effbe0de141a38c83433b834206735ca29

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  d20316a87d822b76cb01197ce0de8e27

                                  SHA1

                                  b070e8b759538b861c896c2f17efdf2baebd25ce

                                  SHA256

                                  6f372dfa2dfe100d2e78bfaa9b98217baec3246c6609bb31cd189ea312973cdc

                                  SHA512

                                  708e0882e556199942ee890af31532e77181a7fd2044142e218f29ce5a3a7f92fea3dae9927299627efcffb12bc332fd01ceb799710ebf992a5bdc7982aba77c

                                • memory/2644-45-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2644-12-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2644-63-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2644-35-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2644-33-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2644-62-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2644-22-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2644-14-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2644-10-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2644-27-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2644-61-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2644-59-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2644-11-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2644-8-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2644-20-0x0000000003FB0000-0x0000000003FB1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2644-57-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2644-13-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2644-36-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2644-9-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2644-38-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2644-37-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2644-56-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2644-55-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2644-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2644-39-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2644-84-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2644-44-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/2644-64-0x0000000000750000-0x000000000180A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-51-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4220-98-0x00000000007C0000-0x000000000187A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-91-0x00000000007C0000-0x000000000187A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-89-0x00000000007C0000-0x000000000187A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-93-0x00000000007C0000-0x000000000187A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-134-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4220-135-0x00000000007C0000-0x000000000187A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4220-92-0x00000000007C0000-0x000000000187A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4544-26-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4544-88-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4544-43-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4544-42-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4544-41-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4712-52-0x0000000000D90000-0x0000000000D92000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4712-15-0x0000000000D90000-0x0000000000D92000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4712-17-0x0000000000D90000-0x0000000000D92000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4712-24-0x0000000000DA0000-0x0000000000DA1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4712-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/4712-23-0x0000000000D90000-0x0000000000D92000-memory.dmp

                                  Filesize

                                  8KB