Analysis

  • max time kernel
    123s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2024, 19:17

General

  • Target

    91cfd7dc821590d0bf34b5ba379363ce1406fa7201fba6139a0f50147a34cb89.exe

  • Size

    2.6MB

  • MD5

    a72f8d0b9fa89df6926798790b19fd91

  • SHA1

    e68c3a5274eee1437860c40dce37b1d267d8c311

  • SHA256

    91cfd7dc821590d0bf34b5ba379363ce1406fa7201fba6139a0f50147a34cb89

  • SHA512

    27421c12d4bbfdb65df9fc0ef90e7a7725e251e283216a2a8c0bd9c78e4fe9bb87874b67104289fae6bac4a35ca1bf6ac83614e36b391458736261991480270b

  • SSDEEP

    49152:RqeN9mJIwe9X/E4dIzSY3G//Iisfy5lKXgGgMTr6A:II9CIwe9XMcIz72/Qisf6llMTrj

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
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • UPX packed file 38 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:380
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2896
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2948
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3060
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3500
                  • C:\Users\Admin\AppData\Local\Temp\91cfd7dc821590d0bf34b5ba379363ce1406fa7201fba6139a0f50147a34cb89.exe
                    "C:\Users\Admin\AppData\Local\Temp\91cfd7dc821590d0bf34b5ba379363ce1406fa7201fba6139a0f50147a34cb89.exe"
                    2⤵
                    • Modifies firewall policy service
                    • UAC bypass
                    • Windows security bypass
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops autorun.inf file
                    • 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:212
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3624
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3832
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3920
                      • 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:4088
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3864
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:1704
                              • 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:1768

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • F:\riynnt.pif

                                  Filesize

                                  97KB

                                  MD5

                                  6f42a0b2aa2418e4f88df5e66c28290a

                                  SHA1

                                  1c7923f391cb90b175d954affccb43f2414b542a

                                  SHA256

                                  8ce2e791c58078580c5402e63accf3a87c4c3b844035c2f89b4b944c085f7a90

                                  SHA512

                                  9b9fdd0d2812dc786b6737e72d2cf14397758cf49acaec3235d6e97442e5c78c6aa58b355c6145e9bcec88f8652bdb591386b83061835e601ee5c2af5de723de

                                • memory/212-28-0x0000000000400000-0x000000000069E000-memory.dmp

                                  Filesize

                                  2.6MB

                                • memory/212-12-0x00000000038C0000-0x00000000038C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/212-16-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-19-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-17-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-22-0x00000000023A0000-0x00000000023A1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/212-21-0x00000000038C0000-0x00000000038C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/212-20-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-15-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-18-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-5-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-4-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-3-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-14-0x00000000038C0000-0x00000000038C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/212-13-0x00000000038D0000-0x00000000038D1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/212-31-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-23-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-24-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-25-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-26-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-27-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-0-0x0000000000400000-0x000000000069E000-memory.dmp

                                  Filesize

                                  2.6MB

                                • memory/212-6-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-30-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-64-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-34-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-35-0x00000000038C0000-0x00000000038C2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/212-36-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-38-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-40-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-43-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-45-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-47-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-50-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-51-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-53-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-55-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-57-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-32-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-66-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-68-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-69-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-73-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-75-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-76-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/212-1-0x0000000002510000-0x00000000035CA000-memory.dmp

                                  Filesize

                                  16.7MB