Analysis

  • max time kernel
    122s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-06-2024 10:51

General

  • Target

    dil.exe

  • Size

    104KB

  • MD5

    1c4eae5ef3e10ce0676618418ea9ed65

  • SHA1

    26e7f992746b0e9b783d360c8cf9e475bd1ce015

  • SHA256

    b9c3adeb63e6be94b581a68b3b675737501283db663484bfc7e14bdecfc7e940

  • SHA512

    d459f72f5403941a7c1666dc91911446ac608faba8cae0a44ab8a2324536ed8db25f5a8c9e80cfcffd09df61a541ba181f94545404e62cf23f5e67e896bc2645

  • SSDEEP

    1536:sKSowsA2YQWZzF90K/m2eMJN6tOwSDW7tyQPjccFl3kvQhMuJlAGGk/l:s1JsACe3uNM6tXb7tyOjtb3OQrEDW

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 3 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 41 IoCs

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

  • 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.

  • Drops file in Program Files directory 12 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 1 IoCs
  • 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:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2644
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2748
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2968
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3420
                  • C:\Users\Admin\AppData\Local\Temp\dil.exe
                    "C:\Users\Admin\AppData\Local\Temp\dil.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
                    • Modifies registry class
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:1672
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3560
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3752
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3876
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3960
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4036
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3844
                            • 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:4616
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:4380

                                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

                                Impair Defenses

                                4
                                T1562

                                Disable or Modify Tools

                                3
                                T1562.001

                                Disable or Modify System Firewall

                                1
                                T1562.004

                                Abuse Elevation Control Mechanism

                                1
                                T1548

                                Bypass User Account Control

                                1
                                T1548.002

                                Discovery

                                System Information Discovery

                                3
                                T1082

                                Query Registry

                                1
                                T1012

                                Peripheral Device Discovery

                                1
                                T1120

                                Lateral Movement

                                Replication Through Removable Media

                                1
                                T1091

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • F:\slpm.exe
                                  Filesize

                                  100KB

                                  MD5

                                  33a3f9158599153d387e1bbe2018f4b8

                                  SHA1

                                  0bb34212d4f0eb8f30aee8af67fb8391c0ace343

                                  SHA256

                                  44f546a034fcea930761d319daf23f6b2230d920e53919b6c2536a98ccf959f9

                                  SHA512

                                  ae6ce4b50144c6be44f2f9f5a79fe4df0e2dfed801af30e712f8ea9ad389a4a68419957f8d4de24b55f0e17e78439664c3a88c0d4014ba005a96630aaeb84448

                                • memory/1672-29-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-64-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-7-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-14-0x0000000003270000-0x0000000003272000-memory.dmp
                                  Filesize

                                  8KB

                                • memory/1672-15-0x0000000003270000-0x0000000003272000-memory.dmp
                                  Filesize

                                  8KB

                                • memory/1672-12-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-9-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-5-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-11-0x0000000004110000-0x0000000004111000-memory.dmp
                                  Filesize

                                  4KB

                                • memory/1672-10-0x0000000003270000-0x0000000003272000-memory.dmp
                                  Filesize

                                  8KB

                                • memory/1672-13-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-3-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-6-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-16-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-17-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-18-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-19-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-20-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-22-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-23-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-24-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-26-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-70-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-8-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-37-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-33-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-35-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-31-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-39-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-40-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-42-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-44-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-45-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-51-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-54-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-55-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-58-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-59-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-60-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-61-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-62-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-0-0x0000000000400000-0x0000000000416000-memory.dmp
                                  Filesize

                                  88KB

                                • memory/1672-67-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-68-0x0000000003270000-0x0000000003272000-memory.dmp
                                  Filesize

                                  8KB

                                • memory/1672-69-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-27-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB

                                • memory/1672-1-0x0000000002190000-0x000000000321E000-memory.dmp
                                  Filesize

                                  16.6MB