Analysis

  • max time kernel
    167s
  • max time network
    183s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2022 21:58

General

  • Target

    ea9b39ca79c203b294f13de7412576eb5a3facf50b8a6497199861d9538ba9a6.exe

  • Size

    164KB

  • MD5

    6ae218867eb9467591bb24c796c24f70

  • SHA1

    7e821f0f91ce1011bc5644970de2567118037967

  • SHA256

    ea9b39ca79c203b294f13de7412576eb5a3facf50b8a6497199861d9538ba9a6

  • SHA512

    b959882f2c3cd74df8cab822e1ab438d84750a332eb1a909cf1a50edec1db346414fd9a2e255725f38d0016251ce098e5c2fb60b21b39db3b1cf789a7dbb4b4d

  • SSDEEP

    3072:2NQKPWDyZI0hJltZrpRRyPZNtB9htSJAvdhp20onnel+FeQ97:2NSDyZISthpcX9SJSjInel2d7

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 2 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 12 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 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:328
    • C:\Windows\System32\RuntimeBroker.exe
      C:\Windows\System32\RuntimeBroker.exe -Embedding
      1⤵
        PID:4748
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:4324
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3748
          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
            1⤵
              PID:3520
            • 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:3372
                • 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:3092
                    • C:\Windows\Explorer.EXE
                      C:\Windows\Explorer.EXE
                      1⤵
                        PID:3048
                        • C:\Users\Admin\AppData\Local\Temp\ea9b39ca79c203b294f13de7412576eb5a3facf50b8a6497199861d9538ba9a6.exe
                          "C:\Users\Admin\AppData\Local\Temp\ea9b39ca79c203b294f13de7412576eb5a3facf50b8a6497199861d9538ba9a6.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 use of AdjustPrivilegeToken
                          • Suspicious use of WriteProcessMemory
                          • System policy modification
                          PID:4892
                          • C:\Windows\SysWOW64\netsh.exe
                            netsh firewall set opmode disable
                            3⤵
                            • Modifies Windows Firewall
                            PID:2296
                            • C:\Windows\System32\Conhost.exe
                              \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                              4⤵
                                PID:2348
                            • C:\Windows\SysWOW64\NOTEPAD.EXE
                              "C:\Windows\system32\NOTEPAD.EXE"
                              3⤵
                                PID:3772
                              • C:\Windows\SysWOW64\NOTEPAD.EXE
                                "C:\Windows\system32\NOTEPAD.EXE"
                                3⤵
                                  PID:4256
                                • C:\Windows\SysWOW64\NOTEPAD.EXE
                                  "C:\Windows\system32\NOTEPAD.EXE"
                                  3⤵
                                    PID:1048
                                  • C:\Windows\SysWOW64\NOTEPAD.EXE
                                    "C:\Windows\system32\NOTEPAD.EXE"
                                    3⤵
                                      PID:4832
                                • C:\Windows\system32\taskhostw.exe
                                  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                  1⤵
                                    PID:2436
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                    1⤵
                                      PID:2340
                                    • C:\Windows\system32\sihost.exe
                                      sihost.exe
                                      1⤵
                                        PID:2324
                                      • C:\Windows\system32\fontdrvhost.exe
                                        "fontdrvhost.exe"
                                        1⤵
                                          PID:776
                                        • C:\Windows\system32\fontdrvhost.exe
                                          "fontdrvhost.exe"
                                          1⤵
                                            PID:772

                                          Network

                                          MITRE ATT&CK Enterprise v6

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • memory/1048-141-0x0000000000970000-0x0000000000987000-memory.dmp

                                            Filesize

                                            92KB

                                          • memory/3772-137-0x00000000007C0000-0x00000000007D7000-memory.dmp

                                            Filesize

                                            92KB

                                          • memory/4256-139-0x0000000000D80000-0x0000000000D97000-memory.dmp

                                            Filesize

                                            92KB

                                          • memory/4832-143-0x0000000000E80000-0x0000000000E97000-memory.dmp

                                            Filesize

                                            92KB

                                          • memory/4892-132-0x0000000001000000-0x0000000001026000-memory.dmp

                                            Filesize

                                            152KB

                                          • memory/4892-135-0x0000000002440000-0x0000000003472000-memory.dmp

                                            Filesize

                                            16.2MB

                                          • memory/4892-133-0x0000000002440000-0x0000000003472000-memory.dmp

                                            Filesize

                                            16.2MB

                                          • memory/4892-144-0x0000000001000000-0x0000000001026000-memory.dmp

                                            Filesize

                                            152KB