Analysis

  • max time kernel
    148s
  • max time network
    150s
  • 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 23:01

General

  • Target

    3b838016d6def264f54d30fa3240cb11e73280432362fd91e4bb06d3b8557a3f.dll

  • Size

    120KB

  • MD5

    054efd55c88573802e57210578a7b5eb

  • SHA1

    b548673ce8b935dac873b7905fc5fe7788e2e167

  • SHA256

    3b838016d6def264f54d30fa3240cb11e73280432362fd91e4bb06d3b8557a3f

  • SHA512

    420709496ddb28c8eb1efc36d3f3cfe779b23bc3957f427a71dbac278debf12d8f34fdf76d954e4508ac3b2bd83e7b5d6016c110ff53074d2d0e1a00e733e607

  • SSDEEP

    1536:dre7/EN+0bCpYB03nJzHYo6GlPAS4qUvOGgn4zUyz2obGNcfC4PqQoQP/9mBzo3:drQ/EE0GBnxJoS4xjg4zUxob8cfzPYe3

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 9 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 Program Files directory 3 IoCs
  • 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:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:384
        • 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:2528
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3124
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3452
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b838016d6def264f54d30fa3240cb11e73280432362fd91e4bb06d3b8557a3f.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:748
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b838016d6def264f54d30fa3240cb11e73280432362fd91e4bb06d3b8557a3f.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3484
                      • C:\Users\Admin\AppData\Local\Temp\e5798c5.exe
                        C:\Users\Admin\AppData\Local\Temp\e5798c5.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:4548
                      • C:\Users\Admin\AppData\Local\Temp\e579a1d.exe
                        C:\Users\Admin\AppData\Local\Temp\e579a1d.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:412
                      • 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
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:4160
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3584
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3788
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3872
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3936
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4020
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3612
                            • 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:1460
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3628
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4560

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e5798c5.exe

                                    Filesize

                                    97KB

                                    MD5

                                    53d578ea9725533a737ea6b2be23d09a

                                    SHA1

                                    661f5419050d4ce57dcb053cdb6b8cd12293afa2

                                    SHA256

                                    c7e233ab82cb70d6ae813b349cd4e24374050c9e3f05e9b4f3510be7ee9ba683

                                    SHA512

                                    9ab70fe07e3d0812c9fe588786d6d8c46766e60fa5f8bc060c7d1838a00b80ad78a0c335afe6b8c74b73f161c7f0d400435bc888c24404837446fa8ff80ca4c6

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    d592198ad67432e71776fe49de55a9fe

                                    SHA1

                                    e2561f4e7d74a18a0e89370fb04a250f6798a0ce

                                    SHA256

                                    530759d19ceaa644be3528b2b65680841fa51bf56c5e6934a537b5aeaaae2a6e

                                    SHA512

                                    c68a1b2bd2eb55da5270b144191ea7208656c7cf6969dd995cf358571d12329d3f6b8568d14fbf9dd289ebbfcd1ee4c0c8ce8976b04fd88a664eadebabb725d9

                                  • memory/412-56-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/412-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/412-51-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/412-54-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/412-95-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/412-100-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3484-24-0x0000000000B70000-0x0000000000B72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3484-13-0x00000000039E0000-0x00000000039E1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3484-46-0x0000000000B70000-0x0000000000B72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3484-12-0x0000000000B70000-0x0000000000B72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3484-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/3484-30-0x0000000000B70000-0x0000000000B72000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4160-49-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4160-131-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4160-57-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4160-96-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4160-112-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4160-55-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4160-53-0x00000000004F0000-0x00000000004F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4160-130-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4548-11-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-62-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-39-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-40-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-36-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-37-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-15-0x0000000003D30000-0x0000000003D31000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4548-9-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-17-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-22-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-26-0x00000000019B0000-0x00000000019B2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4548-28-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-58-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-60-0x00000000019B0000-0x00000000019B2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4548-61-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-38-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-63-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-66-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-67-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-69-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-71-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-74-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-78-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-94-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4548-29-0x00000000019B0000-0x00000000019B2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4548-31-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-32-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-23-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-10-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-8-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4548-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB