Analysis

  • max time kernel
    93s
  • max time network
    100s
  • 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 05:34

General

  • Target

    91fb8b80023fad2d586cadd740e6df49e5ddc561fe42097e5402423b5bbd03d4N.dll

  • Size

    120KB

  • MD5

    4b95d07ac023df674ad3c7f1a01b0550

  • SHA1

    e88a8d19dbaf05db02ccb81c62138de9f4d985f6

  • SHA256

    91fb8b80023fad2d586cadd740e6df49e5ddc561fe42097e5402423b5bbd03d4

  • SHA512

    e30d8ebe948ef90c9e10dbdb8c4c023ddef9295de69535a7a06f5fc36d60adf62723e869d4b7266a301e1b45d00439aecddd959cdc603781a7695dca81d142b2

  • SSDEEP

    3072:5ZNwZApGpcHr+9DTBIxCsICaHIA4Ac3gDPnj:TgApzHSFTWxOW+z7j

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 16 IoCs

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

  • UPX packed file 35 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 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:796
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:804
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:376
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2552
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2580
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2660
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3452
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\91fb8b80023fad2d586cadd740e6df49e5ddc561fe42097e5402423b5bbd03d4N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4716
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\91fb8b80023fad2d586cadd740e6df49e5ddc561fe42097e5402423b5bbd03d4N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2692
                      • C:\Users\Admin\AppData\Local\Temp\e579f9b.exe
                        C:\Users\Admin\AppData\Local\Temp\e579f9b.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:3916
                      • C:\Users\Admin\AppData\Local\Temp\e57a0c4.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a0c4.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:556
                      • C:\Users\Admin\AppData\Local\Temp\e57bb22.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bb22.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2744
                      • C:\Users\Admin\AppData\Local\Temp\e57bb32.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bb32.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:3204
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3620
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3836
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3928
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3992
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4088
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3676
                            • 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:1744
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:212

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e579f9b.exe

                                  Filesize

                                  97KB

                                  MD5

                                  a2b98a89b68e3d0de4601db9c0af111a

                                  SHA1

                                  61d45d674e5570700cb9a3872c5b57ca1af57fd3

                                  SHA256

                                  1a23f421d123c34620db57ac3ddcffb45d6f36a98709fd0d5a12afd2b672bf51

                                  SHA512

                                  3c2123c047902a485ee579c633a82f71f9850e3d2b178c6e934bab4b902810f51089ef8f1f48ac2acd1895f059ff2dcd7244b03a92d897411abec277d0866b1c

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  0f0c6cf740900a93840dd37f65b05073

                                  SHA1

                                  fa3cab035fae57bcfa00dd3e67252cba1d094926

                                  SHA256

                                  51a5d86d86d22fa1144981934a6254066918ad6bd40bcbd17621ed2c0fc7aa4e

                                  SHA512

                                  24b3f789f5cd3732aed303118382fcb9d794c7f5501fb5b7b1c01c174e32537ebc81812bc36cc156ded99fec825aa9808ada11a5e22f5fa57c2df74126586b8d

                                • memory/556-124-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/556-66-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/556-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/556-84-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/556-62-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2692-27-0x00000000014C0000-0x00000000014C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2692-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/2692-21-0x00000000014C0000-0x00000000014C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2692-29-0x00000000014D0000-0x00000000014D1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2692-28-0x00000000014C0000-0x00000000014C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2744-70-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2744-152-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/2744-65-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2744-94-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2744-67-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3204-173-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3204-136-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3204-72-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3204-99-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3204-71-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3204-69-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3204-172-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-8-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-80-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-43-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-55-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-56-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-58-0x0000000001BB0000-0x0000000001BB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3916-59-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-60-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-40-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-39-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-38-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-36-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-37-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-31-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-9-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-24-0x0000000001BC0000-0x0000000001BC1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3916-20-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-76-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-77-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-42-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-81-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-82-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-83-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-32-0x0000000001BB0000-0x0000000001BB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3916-86-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-93-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-17-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-96-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-98-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-18-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-100-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-120-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3916-108-0x0000000001BB0000-0x0000000001BB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3916-104-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-34-0x0000000001BB0000-0x0000000001BB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3916-30-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-19-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-11-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-10-0x0000000000870000-0x000000000192A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3916-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB