Analysis

  • max time kernel
    189s
  • max time network
    213s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-10-2022 22:03

General

  • Target

    0b532009bbc6010833e9d738fe1263e26d00fbccee8dc6477452ffaed338c8d6.exe

  • Size

    100KB

  • MD5

    a0e4828cc39cfa8e3085bf02d0e89a70

  • SHA1

    17993f4c4172196d15417cb2c94a753edd5e5206

  • SHA256

    0b532009bbc6010833e9d738fe1263e26d00fbccee8dc6477452ffaed338c8d6

  • SHA512

    f291413ec679631ba8661e299561fe99282bbbc8900d740f40b3727bd42a23dbe806fa4e0f3e0e295b60b0a2c0098f71f8ad2d95dfc35d5665e5222a9b407dbd

  • SSDEEP

    1536:Zra74e3+bvUjVu0Gt5Oy18oBwb68RfOBdYr2g+RMlFWHMTBN4k8g0mjhQMqIuvKS:/iu0Gt5ydb68Y8s/ONX8h2hFqjn5

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 3 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 22 IoCs

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

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\System32\RuntimeBroker.exe
    C:\Windows\System32\RuntimeBroker.exe -Embedding
    1⤵
      PID:4624
    • C:\Windows\System32\RuntimeBroker.exe
      C:\Windows\System32\RuntimeBroker.exe -Embedding
      1⤵
        PID:3700
      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
        1⤵
          PID:3536
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3448
          • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
            "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
            1⤵
              PID:3380
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
              1⤵
                PID:3288
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                1⤵
                  PID:3100
                • C:\Windows\Explorer.EXE
                  C:\Windows\Explorer.EXE
                  1⤵
                    PID:2416
                    • C:\Users\Admin\AppData\Local\Temp\0b532009bbc6010833e9d738fe1263e26d00fbccee8dc6477452ffaed338c8d6.exe
                      "C:\Users\Admin\AppData\Local\Temp\0b532009bbc6010833e9d738fe1263e26d00fbccee8dc6477452ffaed338c8d6.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:4940
                  • C:\Windows\system32\taskhostw.exe
                    taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                    1⤵
                      PID:2880
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                      1⤵
                        PID:2784
                      • C:\Windows\system32\sihost.exe
                        sihost.exe
                        1⤵
                          PID:2740
                        • C:\Windows\system32\dwm.exe
                          "dwm.exe"
                          1⤵
                            PID:60
                          • C:\Windows\system32\fontdrvhost.exe
                            "fontdrvhost.exe"
                            1⤵
                              PID:792
                            • C:\Windows\system32\fontdrvhost.exe
                              "fontdrvhost.exe"
                              1⤵
                                PID:784

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              • memory/4940-133-0x0000000002300000-0x000000000338E000-memory.dmp

                                Filesize

                                16.6MB

                              • memory/4940-134-0x0000000000400000-0x0000000000414000-memory.dmp

                                Filesize

                                80KB

                              • memory/4940-135-0x0000000002300000-0x000000000338E000-memory.dmp

                                Filesize

                                16.6MB

                              • memory/4940-136-0x0000000002300000-0x000000000338E000-memory.dmp

                                Filesize

                                16.6MB