Analysis

  • max time kernel
    152s
  • max time network
    155s
  • 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 21:51

General

  • Target

    90e314dfc4eeec640b17ad2d09a1bd0da66d417fc276f5c4ba142ea211c1c14b.exe

  • Size

    232KB

  • MD5

    a25cd0f5a9d22dbb325545a1926b8490

  • SHA1

    3ba078975b76f80569dd88326115ff6092c2cdd8

  • SHA256

    90e314dfc4eeec640b17ad2d09a1bd0da66d417fc276f5c4ba142ea211c1c14b

  • SHA512

    f58e73584a5e54b9ce17ae27a36c07a3244693567a9d4d75e85e80e30abb059b7aa0c4cc4c8c3b3f0cfbce9fcd674d4b0a4cdc427a6f2ad4e155e076892156b5

  • SSDEEP

    3072:E4eViA4NiAWHF27+YoFnWnHAUDBNBzLJUnJqlmrHKCRjQnkIxVAl:xDA4sk+BWgQNBzLNlmrqClQf6

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

  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Modifies Windows Firewall 1 TTPs 1 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
  • 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 20 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 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:64
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:4776
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:3840
            • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
              "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
              1⤵
                PID:3580
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:3436
                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                  1⤵
                    PID:3376
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3276
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                      1⤵
                        PID:2796
                      • C:\Windows\Explorer.EXE
                        C:\Windows\Explorer.EXE
                        1⤵
                          PID:3056
                          • C:\Users\Admin\AppData\Local\Temp\90e314dfc4eeec640b17ad2d09a1bd0da66d417fc276f5c4ba142ea211c1c14b.exe
                            "C:\Users\Admin\AppData\Local\Temp\90e314dfc4eeec640b17ad2d09a1bd0da66d417fc276f5c4ba142ea211c1c14b.exe"
                            2⤵
                            • UAC bypass
                            • Windows security bypass
                            • Disables RegEdit via registry modification
                            • Windows security modification
                            • Checks whether UAC is enabled
                            • Drops file in Program Files directory
                            • Drops file in Windows directory
                            • Modifies registry class
                            • Suspicious behavior: EnumeratesProcesses
                            • Suspicious behavior: GetForegroundWindowSpam
                            • Suspicious use of AdjustPrivilegeToken
                            • Suspicious use of SetWindowsHookEx
                            • Suspicious use of WriteProcessMemory
                            • System policy modification
                            PID:4572
                            • C:\Windows\SysWOW64\netsh.exe
                              netsh firewall set opmode disable
                              3⤵
                              • Modifies Windows Firewall
                              PID:2536
                            • C:\Windows\SysWOW64\NOTEPAD.EXE
                              "C:\Windows\system32\NOTEPAD.EXE"
                              3⤵
                                PID:4804
                          • C:\Windows\system32\taskhostw.exe
                            taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                            1⤵
                              PID:2440
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                              1⤵
                                PID:2300
                              • C:\Windows\system32\sihost.exe
                                sihost.exe
                                1⤵
                                  PID:2268

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • memory/2536-134-0x0000000000000000-mapping.dmp

                                • memory/4572-132-0x0000000000400000-0x000000000043E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/4572-133-0x0000000002370000-0x00000000033A3000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/4572-135-0x0000000002370000-0x00000000033A3000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/4572-136-0x0000000002370000-0x00000000033A3000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/4572-139-0x0000000000400000-0x000000000043E000-memory.dmp

                                  Filesize

                                  248KB

                                • memory/4804-137-0x0000000000000000-mapping.dmp

                                • memory/4804-138-0x00000000012C0000-0x00000000012D7000-memory.dmp

                                  Filesize

                                  92KB