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
    16-12-2024 07:17

General

  • Target

    4f251a3c0b3f8b757b7d00fd45078d1d1cdae5cc08ce54110d2ba9b9269711ecN.dll

  • Size

    120KB

  • MD5

    78fa5f605da24576bcfdd52ce9960400

  • SHA1

    3465c6631791fd06c8b49cd97c6cf7f5440bda99

  • SHA256

    4f251a3c0b3f8b757b7d00fd45078d1d1cdae5cc08ce54110d2ba9b9269711ec

  • SHA512

    e5e369ca8b8de4568eba165471c143e51ca7de9bd1bb149fac1165c033a9050979af076e1df130be6b4c718ae3d39d8836b4e704890220387ef5ea5f005a0d81

  • SSDEEP

    3072:N4pDZeNaoQc78FRlFAzJvJHJZGY72RK6PDoYKkw:ODW78N+hGY7yh0Y

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 16 IoCs

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

  • UPX packed file 34 IoCs

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

  • Drops file in Program Files directory 4 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 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:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:380
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:3016
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3064
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:1408
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3448
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f251a3c0b3f8b757b7d00fd45078d1d1cdae5cc08ce54110d2ba9b9269711ecN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1336
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f251a3c0b3f8b757b7d00fd45078d1d1cdae5cc08ce54110d2ba9b9269711ecN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2916
                      • C:\Users\Admin\AppData\Local\Temp\e57a5a6.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a5a6.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:2956
                      • C:\Users\Admin\AppData\Local\Temp\e57a75c.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a75c.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4964
                      • C:\Users\Admin\AppData\Local\Temp\e57c0ee.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c0ee.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 Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:1620
                      • C:\Users\Admin\AppData\Local\Temp\e57c10e.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c10e.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4232
                • 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:3764
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3852
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3916
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4000
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4148
                            • 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:1828
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2032
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:2896
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:224

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Temp\e57a5a6.exe

                                      Filesize

                                      97KB

                                      MD5

                                      afbbd39802ad79c0111073f31e6c5dbe

                                      SHA1

                                      e48b3548c4623032d18ebd33bdaece696b5f8697

                                      SHA256

                                      8c6c4840a19fb14e2a2347d4ede4a4b12c1f1354fa79f2ad1f71b10664d4308f

                                      SHA512

                                      eaea40df8052289a30aba703f706ad0a019d6298d32e37551486cf08219db1ecdd1d26e88e6f6456c28c39e818ac610de5a86c078a2f3acb6b4753635480bff7

                                    • C:\Windows\SYSTEM.INI

                                      Filesize

                                      257B

                                      MD5

                                      ae2002c5725cb2064a9719e922b6f0b9

                                      SHA1

                                      1cc80c9b247622137c535bcc4d4b0a34ec70c280

                                      SHA256

                                      2003741f6f5cf84535ee5915f8a538a483f094941908faff42f4508773a6f1a6

                                      SHA512

                                      37b47c2f140df233259021933050da1b809907789534c01a2b827904d249d10ed216b46857603c3550142682eefb30520b4a2cd712d1b64ed3c15e37944c5957

                                    • memory/1620-120-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1620-162-0x0000000000B50000-0x0000000001C0A000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/1620-163-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1620-47-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/1620-94-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1620-66-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1620-70-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/1620-73-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2916-24-0x0000000000830000-0x0000000000832000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2916-20-0x0000000000830000-0x0000000000832000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2916-30-0x0000000000830000-0x0000000000832000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2916-21-0x0000000000840000-0x0000000000841000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2916-1-0x0000000010000000-0x0000000010020000-memory.dmp

                                      Filesize

                                      128KB

                                    • memory/2956-60-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-22-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-29-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2956-32-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2956-14-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-36-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-37-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-38-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-39-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-40-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-42-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-43-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-10-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-55-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/2956-57-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-59-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-11-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-8-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-12-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-9-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-27-0x0000000000600000-0x0000000000601000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2956-13-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-99-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-116-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/2956-23-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-97-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-62-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-75-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-78-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-80-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-83-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-84-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-87-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-88-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-89-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-92-0x0000000000830000-0x00000000018EA000-memory.dmp

                                      Filesize

                                      16.7MB

                                    • memory/2956-31-0x00000000005F0000-0x00000000005F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4232-95-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4232-68-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4232-71-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4232-167-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4232-74-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4964-93-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4964-64-0x0000000000460000-0x0000000000461000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4964-69-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4964-126-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB

                                    • memory/4964-72-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/4964-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                      Filesize

                                      72KB