Overview

overview

10

Static

static

c50aef6517...9f.exe

windows7-x64

10

c50aef6517...9f.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-10-2022 20:02

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General

  • Target

    c50aef65173b1e7eb228ddca438d31c01ce4c3bb1971f39ca85c76ee23a1919f.exe

  • Size

    408KB

  • MD5

    9177714f5c83d2031ee4aed9be84fa10

  • SHA1

    521e3517a90881316517dbc54dbdc32bb989e4d6

  • SHA256

    c50aef65173b1e7eb228ddca438d31c01ce4c3bb1971f39ca85c76ee23a1919f

  • SHA512

    10dd4423f5ff23ed3467e5e178e6af11cd61a6e754b9dcff0fb9c47fb623cef41ff0c27c4d724b30d375b0197e376029f8f93edb5f01aaba3969349614188941

  • SSDEEP

    12288:oIvRltF4NEzrVCU8Tzq6C6Y6EX+mqcXZpkO2tijbVs/pJW:oYtF4N4VCU8Tzq6C6Y6EX+mqcXg/tW0+

Score
10/10
salitybackdoorevasionpersistencetrojanupx

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
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Sality

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

    backdoorsality
  • UAC bypass 3 TTPs 1 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 6 IoCs
    evasiontrojan
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

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

    upx
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Windows security modification 2 TTPs 7 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 58 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:1020
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:780
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:776
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2300
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
            1⤵
              PID:1328
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:3392
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:4580
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:3688
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    1⤵
                      PID:3516
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3320
                      • C:\Windows\system32\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                        1⤵
                          PID:3220
                        • C:\Windows\Explorer.EXE
                          C:\Windows\Explorer.EXE
                          1⤵
                            PID:3024
                            • C:\Users\Admin\AppData\Local\Temp\c50aef65173b1e7eb228ddca438d31c01ce4c3bb1971f39ca85c76ee23a1919f.exe
                              "C:\Users\Admin\AppData\Local\Temp\c50aef65173b1e7eb228ddca438d31c01ce4c3bb1971f39ca85c76ee23a1919f.exe"
                              2⤵
                              • Modifies firewall policy service
                              • Modifies visiblity of hidden/system files in Explorer
                              • UAC bypass
                              • Windows security bypass
                              • Checks computer location settings
                              • Windows security modification
                              • Adds Run key to start application
                              • 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 SetWindowsHookEx
                              • Suspicious use of WriteProcessMemory
                              • System policy modification
                              PID:4864
                              • C:\Users\Admin\beodoub.exe
                                "C:\Users\Admin\beodoub.exe"
                                3⤵
                                • Modifies visiblity of hidden/system files in Explorer
                                • Executes dropped EXE
                                • Adds Run key to start application
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of SetWindowsHookEx
                                PID:3212
                          • C:\Windows\system32\taskhostw.exe
                            taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                            1⤵
                              PID:2424
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                              1⤵
                                PID:2324

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

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                              Downloads

                              • C:\Users\Admin\beodoub.exe
                                Filesize

                                408KB

                                MD5

                                a609125b7fa48bb1ff09137c0600e493

                                SHA1

                                dfa9e471a83b9e6a8f07318975e421b651b96a74

                                SHA256

                                f484a4a666876fb220f278311ac71ea6265ae78b87b4b1b86e963eee42e6bbc4

                                SHA512

                                ea164441f55eb00938271f8508bcc0fce9172b5549196e498863037a6b2abdec6622e7e95ab21145d364ab7cf051d2126cc497307236e36629adc7b47cdd0b01

                                Download Submit

                              • C:\Users\Admin\beodoub.exe
                                Filesize

                                408KB

                                MD5

                                a609125b7fa48bb1ff09137c0600e493

                                SHA1

                                dfa9e471a83b9e6a8f07318975e421b651b96a74

                                SHA256

                                f484a4a666876fb220f278311ac71ea6265ae78b87b4b1b86e963eee42e6bbc4

                                SHA512

                                ea164441f55eb00938271f8508bcc0fce9172b5549196e498863037a6b2abdec6622e7e95ab21145d364ab7cf051d2126cc497307236e36629adc7b47cdd0b01

                                Download Submit

                              • memory/3212-136-0x0000000000000000-mapping.dmp

                                Download

                              • memory/3212-141-0x0000000000400000-0x0000000000469000-memory.dmp

                                Filesize

                                420KB

                                Download

                              • memory/3212-144-0x0000000000400000-0x0000000000469000-memory.dmp

                                Filesize

                                420KB

                                Download

                              • memory/4864-132-0x0000000002C20000-0x0000000003CAE000-memory.dmp

                                Filesize

                                16.6MB

                                Download

                              • memory/4864-135-0x0000000000400000-0x0000000000469000-memory.dmp

                                Filesize

                                420KB

                                Download

                              • memory/4864-142-0x0000000002C20000-0x0000000003CAE000-memory.dmp

                                Filesize

                                16.6MB

                                Download

                              • memory/4864-143-0x0000000000400000-0x0000000000469000-memory.dmp

                                Filesize

                                420KB

                                Download