Analysis

  • max time kernel
    120s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-06-2024 02:38

General

  • Target

    f6d3ce7d39ebcc7f307b7c6a258830bdb5bdb5dea0279245fcf83fcb0d7f50fc.exe

  • Size

    3.0MB

  • MD5

    7da73c5423f8ba8f540f3613656651e1

  • SHA1

    b7b5c8f406c5da6f9542e6f0af7ca6de7ecd0d4c

  • SHA256

    f6d3ce7d39ebcc7f307b7c6a258830bdb5bdb5dea0279245fcf83fcb0d7f50fc

  • SHA512

    620994b3797fc0b9c5c8cdc771714846cb6a949adcf4007d44085fb67d3274983960b82ecf0556a34a8317ebacef784114ef47fc57e1649b43f7d43f4d66f5bb

  • SSDEEP

    49152:20/3Wm9HFwLWo9XiMNZTbOMT5mFbO8H8zE8DTGZf7rNlgpy:2M1lGWGyMzOMtUOY8w5F7rDwy

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • UPX packed file 38 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 20 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.

  • Drops file in Program Files directory 12 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 40 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:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:332
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2888
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2900
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3016
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3436
                  • C:\Users\Admin\AppData\Local\Temp\f6d3ce7d39ebcc7f307b7c6a258830bdb5bdb5dea0279245fcf83fcb0d7f50fc.exe
                    "C:\Users\Admin\AppData\Local\Temp\f6d3ce7d39ebcc7f307b7c6a258830bdb5bdb5dea0279245fcf83fcb0d7f50fc.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
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:3200
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3580
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3760
                    • 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:3912
                        • 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:696
                            • 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:3820
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1952

                                Network

                                MITRE ATT&CK Matrix ATT&CK v13

                                Initial Access

                                Replication Through Removable Media

                                1
                                T1091

                                Persistence

                                Create or Modify System Process

                                1
                                T1543

                                Windows Service

                                1
                                T1543.003

                                Privilege Escalation

                                Create or Modify System Process

                                1
                                T1543

                                Windows Service

                                1
                                T1543.003

                                Abuse Elevation Control Mechanism

                                1
                                T1548

                                Bypass User Account Control

                                1
                                T1548.002

                                Defense Evasion

                                Modify Registry

                                5
                                T1112

                                Abuse Elevation Control Mechanism

                                1
                                T1548

                                Bypass User Account Control

                                1
                                T1548.002

                                Impair Defenses

                                3
                                T1562

                                Disable or Modify Tools

                                3
                                T1562.001

                                Discovery

                                Query Registry

                                2
                                T1012

                                System Information Discovery

                                2
                                T1082

                                Peripheral Device Discovery

                                1
                                T1120

                                Lateral Movement

                                Replication Through Removable Media

                                1
                                T1091

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • F:\qxngm.exe
                                  Filesize

                                  100KB

                                  MD5

                                  367a64465e7a658381b73be48d62f6ad

                                  SHA1

                                  a1fc896f10847056740093721d10df9bcde50b08

                                  SHA256

                                  e964f6f30c7ccd908da18baa3138453bebeb5a36d0d2b1938c905ef1e5d06bda

                                  SHA512

                                  07026d199103ac36b050954842d3f6406a9b40cac4089548c03dad8a485f9eb0b93edcc57c6cc42a3974547326b1f14089cdcb1e6117ac2e3cbc0aed62b66df8

                                • memory/3200-24-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-72-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-8-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-9-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-11-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-14-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-15-0x00000000047E0000-0x00000000047F0000-memory.dmp
                                  Filesize

                                  64KB

                                • memory/3200-4-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-10-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-12-0x00000000025E0000-0x00000000025E2000-memory.dmp
                                  Filesize

                                  8KB

                                • memory/3200-3-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-7-0x0000000003DD0000-0x0000000003DD1000-memory.dmp
                                  Filesize

                                  4KB

                                • memory/3200-6-0x00000000025E0000-0x00000000025E2000-memory.dmp
                                  Filesize

                                  8KB

                                • memory/3200-1-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-16-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-17-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-26-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-20-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-19-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-22-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-23-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-0-0x0000000000400000-0x000000000071F000-memory.dmp
                                  Filesize

                                  3.1MB

                                • memory/3200-29-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-13-0x00000000025E0000-0x00000000025E2000-memory.dmp
                                  Filesize

                                  8KB

                                • memory/3200-18-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-31-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-34-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-36-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-38-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-40-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-42-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-44-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-45-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-47-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-49-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-51-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-53-0x00000000025E0000-0x00000000025E2000-memory.dmp
                                  Filesize

                                  8KB

                                • memory/3200-54-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-61-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-65-0x00000000047E0000-0x00000000047F0000-memory.dmp
                                  Filesize

                                  64KB

                                • memory/3200-63-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-66-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-68-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-70-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-27-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/3200-5-0x0000000002600000-0x000000000368E000-memory.dmp
                                  Filesize

                                  16.6MB