Analysis

  • max time kernel
    97s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2024 17:47

General

  • Target

    36cd061070451befa70c113c53e025b57baccb5fccf37c13e636778e503252bf.dll

  • Size

    120KB

  • MD5

    afcc637b8deea850f9dff9af3b792b0d

  • SHA1

    9a95e9a7eeec1bd7b54b978525ee855d29197e8f

  • SHA256

    36cd061070451befa70c113c53e025b57baccb5fccf37c13e636778e503252bf

  • SHA512

    ece2edf926430f4504519957490830702f40abcfc06523d204a0a136ab37a9171c1ff1ec3d39f3a708f14cb1170bab7e21f3dc132017f96528f4d4f90dfb59f0

  • SSDEEP

    3072:TDGP7+7YeTWfnLG+rEuwKAmudVwDDegbmD1w8V:TDGHeTwLncNdVdDO8V

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 9 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 4 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 10 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 4 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:796
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:804
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:380
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2396
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2424
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2516
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3516
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\36cd061070451befa70c113c53e025b57baccb5fccf37c13e636778e503252bf.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2576
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\36cd061070451befa70c113c53e025b57baccb5fccf37c13e636778e503252bf.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:3580
                      • C:\Users\Admin\AppData\Local\Temp\e575e2d.exe
                        C:\Users\Admin\AppData\Local\Temp\e575e2d.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:4352
                      • C:\Users\Admin\AppData\Local\Temp\e576031.exe
                        C:\Users\Admin\AppData\Local\Temp\e576031.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:4448
                      • C:\Users\Admin\AppData\Local\Temp\e578117.exe
                        C:\Users\Admin\AppData\Local\Temp\e578117.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
                        • System policy modification
                        PID:1436
                      • C:\Users\Admin\AppData\Local\Temp\e578155.exe
                        C:\Users\Admin\AppData\Local\Temp\e578155.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4956
                • 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:3820
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3908
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3972
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4052
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:2588
                            • 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:4924
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2332
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:2060
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:2412
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      1⤵
                                        PID:1556

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\e575e2d.exe

                                        Filesize

                                        97KB

                                        MD5

                                        f0f464ff41b8a407163ff4abff2074b4

                                        SHA1

                                        4464331f744c837654feabda8fdc8efd095c38d5

                                        SHA256

                                        38aab24416f12360022175eeaca2d4bb5e9f97fdd70126f97cd3c1a20fb655c7

                                        SHA512

                                        8bef55808611938de869aa7ba8cc69426780b3a8a57688454756c742b1aa714082f3c4c0821f2a9ded25bbecf995d84efa4fd2b48d68f4e935336eabe00927a4

                                      • C:\Windows\SYSTEM.INI

                                        Filesize

                                        256B

                                        MD5

                                        e4d109abd67e3edb10675f7c3a498519

                                        SHA1

                                        624b3e106af51bc3a02e8bb27036015f872ded65

                                        SHA256

                                        ba655322e9b9ef1478acfed3e635926a0aade2035847322e742e06975e77b515

                                        SHA512

                                        8201acf9605db6e47dc1366649cba4c622710fd6c9d82a611b34366d4cfa73aa8c3c7df20555c3a32546320c11c7f9beecc1f4f45e86dad531c1bcedd02c746d

                                      • memory/1436-149-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/1436-65-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1436-58-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1436-61-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3580-14-0x00000000047D0000-0x00000000047D1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/3580-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/3580-33-0x00000000041D0000-0x00000000041D2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3580-17-0x00000000041D0000-0x00000000041D2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/3580-13-0x00000000041D0000-0x00000000041D2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4352-53-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-74-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-9-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-16-0x0000000003E70000-0x0000000003E71000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4352-24-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-25-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4352-10-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-21-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-31-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-35-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-36-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-37-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-38-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-39-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4352-22-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-34-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4352-8-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-102-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4352-83-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-12-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-82-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-20-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-79-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-77-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-66-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-67-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-69-0x0000000001A70000-0x0000000001A72000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4352-70-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-71-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-73-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4352-11-0x00000000007A0000-0x000000000185A000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4448-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4448-57-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4448-55-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4448-112-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4448-128-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4448-127-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/4956-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4956-60-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4956-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4956-51-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/4956-153-0x0000000000400000-0x0000000000412000-memory.dmp

                                        Filesize

                                        72KB