Analysis

  • max time kernel
    94s
  • 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 03:31

General

  • Target

    2a035a06535dd92f05ef221c3d24b5d42ca95cea8f96f45234400951050bf6c2N.dll

  • Size

    120KB

  • MD5

    ffeb8fa2ee5bedb4c141d1a28025f720

  • SHA1

    c4c820e2725b0694c401119a20c280d6d9b266ba

  • SHA256

    2a035a06535dd92f05ef221c3d24b5d42ca95cea8f96f45234400951050bf6c2

  • SHA512

    18c2617db069915bbaa394babe07cff5d0dc6451f04df7a21201004ddafdd5d6d9ea2bf8759cbe4adbc6ee3c9e774c65d999fa56aa15502978f55ab1106b2ec4

  • SSDEEP

    3072:CRgvSQ2LaQAE7m020Vf1G2DQYa5esWtn:KgvF2yEK020VfYe3tn

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 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 4 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 13 IoCs

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

  • UPX packed file 31 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 2 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 59 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:772
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:1020
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2640
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2656
            • 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:3528
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2a035a06535dd92f05ef221c3d24b5d42ca95cea8f96f45234400951050bf6c2N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1296
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2a035a06535dd92f05ef221c3d24b5d42ca95cea8f96f45234400951050bf6c2N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4356
                      • C:\Users\Admin\AppData\Local\Temp\e57ac2e.exe
                        C:\Users\Admin\AppData\Local\Temp\e57ac2e.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:2636
                      • C:\Users\Admin\AppData\Local\Temp\e57add4.exe
                        C:\Users\Admin\AppData\Local\Temp\e57add4.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3496
                      • C:\Users\Admin\AppData\Local\Temp\e57c796.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c796.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1532
                      • C:\Users\Admin\AppData\Local\Temp\e57c7c4.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c7c4.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2452
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3640
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3828
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3916
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3980
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4080
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3184
                            • 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:3748
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3612
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:2012
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:5016
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      1⤵
                                        PID:4584

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\e57ac2e.exe

                                        Filesize

                                        97KB

                                        MD5

                                        9e78100f350fc887406144087c39943f

                                        SHA1

                                        d069c1a278a8fd91c99a0207c7977c2931b7a2f0

                                        SHA256

                                        6a8e76c41de28ec727f8130a32e41b0d0c6c04bd2a9020d75f99b5fbf85fc0a9

                                        SHA512

                                        248e3aced16e54d67442769307be9388cd15aeb66f30b0198f8bca7e6e489747d9669c1f16f9d048c165949184433c4c5a2808b63104656c4e48c5f6aa1a974f

                                      • memory/1532-123-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1532-92-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1532-67-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1532-71-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1532-74-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1532-56-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2452-57-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2452-127-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2452-70-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2452-73-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2452-75-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2636-80-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-86-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-12-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2636-8-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-14-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-10-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-11-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-26-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-36-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-37-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-38-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-39-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-40-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-42-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-43-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-58-0x0000000003660000-0x0000000003662000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2636-97-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-15-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-55-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-61-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-62-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-25-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-115-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/2636-103-0x0000000003660000-0x0000000003662000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2636-93-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-32-0x0000000003660000-0x0000000003662000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2636-29-0x0000000003660000-0x0000000003662000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/2636-94-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-19-0x00000000040F0000-0x00000000040F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2636-9-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-76-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-77-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-89-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-82-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-84-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-85-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/2636-13-0x00000000007B0000-0x000000000186A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/3496-65-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3496-68-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3496-72-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3496-91-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3496-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/3496-119-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4356-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/4356-31-0x0000000000880000-0x0000000000882000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4356-27-0x0000000000880000-0x0000000000882000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4356-16-0x0000000000880000-0x0000000000882000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4356-17-0x0000000000890000-0x0000000000891000-memory.dmp

                                        Filesize

                                        4KB