Analysis

  • max time kernel
    32s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2024 14:36

General

  • Target

    8443cdf3e9858a271ad0af65d4e76714fb874ced7c6a52a4ea4225bd280094e7N.dll

  • Size

    120KB

  • MD5

    61f548c0904104195dede2c1c45410c0

  • SHA1

    c322f1da2ebb06f11f04e360675205d12ecfb8c8

  • SHA256

    8443cdf3e9858a271ad0af65d4e76714fb874ced7c6a52a4ea4225bd280094e7

  • SHA512

    c5ab1050d95ed126ac9407b7bfef8dcae45e6a4194d7d3d9d30f7f01d141134836b3b06b0ec68c4ceac180a947acb0f342080c3e7d50d37bab3c8327e3ad40be

  • SSDEEP

    3072:N4Zh5gLRUPXcGZ7RhUIF9ah05E9pMkpFWNwzBpmHC:N4fg+PXcGZNhUIFghUkpQKzP

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 11 IoCs

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

  • UPX packed file 29 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 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:812
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:816
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:396
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3040
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2772
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3132
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3444
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\8443cdf3e9858a271ad0af65d4e76714fb874ced7c6a52a4ea4225bd280094e7N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2284
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8443cdf3e9858a271ad0af65d4e76714fb874ced7c6a52a4ea4225bd280094e7N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2220
                      • C:\Users\Admin\AppData\Local\Temp\e57bff4.exe
                        C:\Users\Admin\AppData\Local\Temp\e57bff4.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:272
                      • C:\Users\Admin\AppData\Local\Temp\e57c13d.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c13d.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3556
                      • C:\Users\Admin\AppData\Local\Temp\e57f04b.exe
                        C:\Users\Admin\AppData\Local\Temp\e57f04b.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:3088
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3592
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3784
                    • 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:3976
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4064
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4124
                            • 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:1944
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4564
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:2100
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:5104
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      1⤵
                                        PID:4880

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\e57bff4.exe

                                        Filesize

                                        97KB

                                        MD5

                                        35fc85d571b4b495a7e84a32414fd245

                                        SHA1

                                        880db62ab4f63ce666a5dd8f8e5ab3786b0ed4af

                                        SHA256

                                        e3c0f5aaf3b895e6c67e100b201ac090164139ddc21ac3a852d361ca8b1545a3

                                        SHA512

                                        bcd8f0c48402b9a4171837d9b86ea51cfaefe319f75fbed58d6d3129e44a7e5b0560cdbdc023f81e26c30fa63f53a4e0ce88d0bc07e20dc0ff099856f5bfb1e4

                                      • C:\Windows\SYSTEM.INI

                                        Filesize

                                        257B

                                        MD5

                                        e51bc22eef364a4a1e5b418ebdde8a58

                                        SHA1

                                        507a8ac4c5087f3446fbeb5eb146bfd4c8e47365

                                        SHA256

                                        40c5ee117a8a4eaa2cf41229c1ebe4a18d92d03d2f8280319cf3a681a30332c4

                                        SHA512

                                        4cdbff9fa39fea5299547acfc117dfc3d4050c9f87fb2b874049eb486af62c654e1cbc38b2d8e83ab39953a63d4497d61055447d554cc5d91cabc43d9d4a7aca

                                      • memory/272-65-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/272-62-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/272-24-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/272-32-0x0000000003520000-0x0000000003522000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/272-23-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/272-31-0x0000000003520000-0x0000000003522000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/272-40-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/272-26-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/272-33-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/272-11-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/272-10-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/272-53-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/272-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/272-85-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/272-29-0x00000000040F0000-0x00000000040F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/272-56-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/272-22-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/272-35-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/272-37-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/272-36-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/272-39-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/272-61-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/272-60-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/272-58-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/272-38-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/272-6-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/272-9-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/272-54-0x0000000000770000-0x000000000182A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/272-55-0x0000000003520000-0x0000000003522000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2220-25-0x0000000002610000-0x0000000002611000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2220-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2220-14-0x0000000002580000-0x0000000002582000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2220-12-0x0000000002580000-0x0000000002582000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2220-27-0x0000000002580000-0x0000000002582000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3088-96-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3088-122-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3088-147-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3088-146-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3088-124-0x0000000001B70000-0x0000000001B72000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3088-98-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3088-95-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3088-101-0x0000000000750000-0x000000000180A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3088-111-0x0000000004370000-0x0000000004371000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3088-110-0x0000000001B70000-0x0000000001B72000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3556-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3556-43-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3556-66-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3556-89-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3556-42-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB