Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2024 17:13

General

  • Target

    762c77dac3df240f2dd548ad29b50c952515b6cee0076fd8159a8af37749df38N.dll

  • Size

    120KB

  • MD5

    f996cd58ba8593422c2d6b554e583350

  • SHA1

    d6b13174d1ce552ce3aaae54de7e1c3ba9547c15

  • SHA256

    762c77dac3df240f2dd548ad29b50c952515b6cee0076fd8159a8af37749df38

  • SHA512

    bda08a5f258636aea2049ef6b61e4b60f053d7540e313b057a49d2cfb79a768074d45b15c054ef1d9a829581b7bbff60da9dcc646a45557f1438aecca4658782

  • SSDEEP

    1536:Ug/JzJ21qktSQN/XJvmqvIALdDAvZfBFOpwY/a3p9YoQ8VNieAhE8Ja3R:z/FJ2ntSQN/Xhmqvz+ffwa5PIeAhEF

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 3 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 30 IoCs

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

  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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:780
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:376
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2584
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2596
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2708
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3508
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\762c77dac3df240f2dd548ad29b50c952515b6cee0076fd8159a8af37749df38N.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4656
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\762c77dac3df240f2dd548ad29b50c952515b6cee0076fd8159a8af37749df38N.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2780
                      • C:\Users\Admin\AppData\Local\Temp\e57952b.exe
                        C:\Users\Admin\AppData\Local\Temp\e57952b.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 AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:3232
                      • C:\Users\Admin\AppData\Local\Temp\e5796e1.exe
                        C:\Users\Admin\AppData\Local\Temp\e5796e1.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:4008
                      • C:\Users\Admin\AppData\Local\Temp\e57c2e2.exe
                        C:\Users\Admin\AppData\Local\Temp\e57c2e2.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:4092
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3668
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3864
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3964
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4068
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:2472
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4116
                            • 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:1696
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2168

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\e57952b.exe

                                  Filesize

                                  97KB

                                  MD5

                                  38a7367776b3770f2e42e9087fe531af

                                  SHA1

                                  55e971b8769062d98731c074094b78fe4494dd34

                                  SHA256

                                  f6307a5cb91762f54042cf91280fa402fa965412dcc7d43f5b245622c6d8a2af

                                  SHA512

                                  ab6ac39836e226cebf062468015f9845e6fbe66f631afb87fa8505e4602e0082f1312a898a100003d3d70d7f6126979999543cecf2a3b51132d8f649dc372eda

                                • C:\Windows\SYSTEM.INI

                                  Filesize

                                  257B

                                  MD5

                                  fba94c66e53dad4c880b81f51b9b42ff

                                  SHA1

                                  aeff6cabeca64f05d87b252f34e2e1c535beacc8

                                  SHA256

                                  c3084574f673c7d350dfd93424ff772e8766721c67cfa73e2b3d7d35cf1d8530

                                  SHA512

                                  e98050f11b276e0964566d103358448d63fbd98d166458e34ade61423b917e136c7661ccb7781d834cda6fbd46d2454acafa31c23c2b2ce064e1050fb39f9091

                                • memory/2780-22-0x0000000000A10000-0x0000000000A11000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2780-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/2780-31-0x0000000000980000-0x0000000000982000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2780-27-0x0000000000980000-0x0000000000982000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2780-21-0x0000000000980000-0x0000000000982000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/2780-54-0x0000000000980000-0x0000000000982000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3232-39-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-66-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-32-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3232-28-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3232-14-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-24-0x0000000001AC0000-0x0000000001AC1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3232-13-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-9-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-26-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-8-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-12-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-10-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-25-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-37-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-36-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-38-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-11-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-40-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3232-89-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3232-74-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-68-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-46-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-55-0x0000000001AB0000-0x0000000001AB2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3232-6-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-56-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-57-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-59-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-61-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-62-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-63-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3232-15-0x0000000000830000-0x00000000018EA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4008-45-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4008-44-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/4008-43-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4008-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4008-90-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4008-101-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4008-95-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4008-134-0x0000000000B40000-0x0000000001BFA000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/4008-135-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/4092-163-0x0000000000400000-0x0000000000412000-memory.dmp

                                  Filesize

                                  72KB