Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2024 13:42

General

  • Target

    46056e31bc09f462790305fb107e96beaf81e8cd24995090e90c329076fa8054.dll

  • Size

    120KB

  • MD5

    65cc4c86901e53f1b29467938dede4be

  • SHA1

    5800faf42650109eafba08bd2737d90b4eb09cd3

  • SHA256

    46056e31bc09f462790305fb107e96beaf81e8cd24995090e90c329076fa8054

  • SHA512

    4a5546deac4d2646b49fa02d56e1ceaa9e6ede7b03d89ee6d8aed5f1be272ea3797364b3b83357d6cadde8b34a20362a9dced88db1a40dacf22b5b8d1ef0c1f5

  • SSDEEP

    3072:CRgvSQ2LaQAE7m020Vf1G2DQYa5esWtnW:KgvF2yEK020VfYe3tnW

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 9 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 Program Files directory 3 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 58 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:388
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:696
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3092
            • 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:3452
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\46056e31bc09f462790305fb107e96beaf81e8cd24995090e90c329076fa8054.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1388
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\46056e31bc09f462790305fb107e96beaf81e8cd24995090e90c329076fa8054.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4468
                      • C:\Users\Admin\AppData\Local\Temp\e57b14e.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b14e.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:4212
                      • C:\Users\Admin\AppData\Local\Temp\e57b2e5.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b2e5.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4964
                      • C:\Users\Admin\AppData\Local\Temp\e57da81.exe
                        C:\Users\Admin\AppData\Local\Temp\e57da81.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4760
                      • C:\Users\Admin\AppData\Local\Temp\e57daa1.exe
                        C:\Users\Admin\AppData\Local\Temp\e57daa1.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
                        • System policy modification
                        PID:1152
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3572
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3768
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3892
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3984
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4076
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3856
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:740
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2132
                                • 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:4488
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:2856

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Temp\e57b14e.exe

                                      Filesize

                                      97KB

                                      MD5

                                      9e78100f350fc887406144087c39943f

                                      SHA1

                                      d069c1a278a8fd91c99a0207c7977c2931b7a2f0

                                      SHA256

                                      6a8e76c41de28ec727f8130a32e41b0d0c6c04bd2a9020d75f99b5fbf85fc0a9

                                      SHA512

                                      248e3aced16e54d67442769307be9388cd15aeb66f30b0198f8bca7e6e489747d9669c1f16f9d048c165949184433c4c5a2808b63104656c4e48c5f6aa1a974f

                                    • C:\Windows\SYSTEM.INI

                                      Filesize

                                      256B

                                      MD5

                                      74acc16ebb443e718aedba2ed9992722

                                      SHA1

                                      6e9d5f79a2b17b7d2d3ba27cd705c3494d1bb161

                                      SHA256

                                      ac84a014abc90d677d74016855cc1c3efe6f4ab664f1b2f8c430df6666ac3093

                                      SHA512

                                      3f80167c6699be7c33d1d0e3fde2b4e2d25c0569e7345f5794c126d474461cebf9a6fa2200fce6f296c3d3817fdcfe1f944b93def32a16f20ae25e66bf60613c

                                    • memory/1152-54-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1152-134-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1152-135-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1152-132-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1152-67-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1152-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1152-60-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4212-71-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-72-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4212-12-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-6-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-11-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-8-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-16-0x0000000003D30000-0x0000000003D31000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4212-10-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-37-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-34-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-36-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-35-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-33-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-31-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-38-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-39-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-40-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-9-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-103-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4212-26-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-83-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-86-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-81-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-25-0x0000000001970000-0x0000000001972000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4212-78-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-76-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-74-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-68-0x0000000001970000-0x0000000001972000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4212-28-0x0000000001970000-0x0000000001972000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4212-69-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4212-64-0x00000000007A0000-0x000000000185A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/4468-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/4468-13-0x0000000003980000-0x0000000003982000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4468-27-0x0000000003980000-0x0000000003982000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4468-24-0x0000000003980000-0x0000000003982000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4468-14-0x0000000003A20000-0x0000000003A21000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4468-51-0x0000000003980000-0x0000000003982000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4760-111-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4760-66-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4760-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4760-58-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4760-47-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4964-61-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4964-107-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4964-32-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4964-56-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4964-65-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB