Analysis

  • max time kernel
    124s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/03/2023, 18:57

General

  • Target

    SecurityHealths.exe

  • Size

    664KB

  • MD5

    1b04b8062dd9cceabfa5c6f2ec6302b2

  • SHA1

    9ff95a3dd1bba1dcf63809b00aa320a1104729c0

  • SHA256

    f8663e37a4df974fd50038af0b16f9b994ee9eadbab852369a9b816918d41f97

  • SHA512

    990935879bc56696d002976e9af6451844b5898be72368fdc27ac9f0cdbb060f8d9838ab3e03431e6501a62c7ba81f2ec37f2fbf82f12104199ce58c69aea1ee

  • SSDEEP

    12288:2DKDBnRhiEFs7aonCVPdk88KzIxH3tsxV:2DKDBRhe9CVPdkAzIxdiV

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

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

  • 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
  • Chinese Botnet payload 2 IoCs
  • UPX packed file 39 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 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
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 26 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\svchost.exe
      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
      1⤵
        PID:3344
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:3760
        • C:\Windows\system32\backgroundTaskHost.exe
          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
          1⤵
            PID:444
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
            1⤵
              PID:3576
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:3688
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                1⤵
                  PID:3428
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:4016
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    1⤵
                      PID:3848
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3664
                      • C:\Windows\system32\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                        1⤵
                          PID:3520
                        • C:\Windows\Explorer.EXE
                          C:\Windows\Explorer.EXE
                          1⤵
                            PID:2780
                            • C:\Users\Admin\AppData\Local\Temp\SecurityHealths.exe
                              "C:\Users\Admin\AppData\Local\Temp\SecurityHealths.exe"
                              2⤵
                              • Modifies firewall policy service
                              • UAC bypass
                              • Windows security bypass
                              • 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
                              • Checks processor information in registry
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious use of AdjustPrivilegeToken
                              • Suspicious use of SetWindowsHookEx
                              • Suspicious use of WriteProcessMemory
                              • System policy modification
                              PID:1708
                          • 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:2336
                              • C:\Windows\system32\sihost.exe
                                sihost.exe
                                1⤵
                                  PID:2308
                                • C:\Windows\system32\dwm.exe
                                  "dwm.exe"
                                  1⤵
                                    PID:316
                                  • C:\Windows\system32\fontdrvhost.exe
                                    "fontdrvhost.exe"
                                    1⤵
                                      PID:772
                                    • C:\Windows\system32\DllHost.exe
                                      C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
                                      1⤵
                                        PID:820

                                      Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • C:\vebq.exe

                                        Filesize

                                        100KB

                                        MD5

                                        e9ffd194a6ccbd3c3658bcd66bc7948c

                                        SHA1

                                        13b5b8eefa9a1c229db8f8b2161ae9187211e926

                                        SHA256

                                        ed4aeca3f373cec702e8ff84e884a0488d74b4356f5c1819c0d68ec4c3fb5a3a

                                        SHA512

                                        c23249785f60378b2816896d5042e13745b5663edf8428000bf98ceebbfd5ade820835fa57c736b622fe6b6ee42f2d3c13ce5ae6cec15bf8130cc2af15d482de

                                      • memory/1708-164-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-149-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-138-0x0000000010000000-0x0000000010017000-memory.dmp

                                        Filesize

                                        92KB

                                      • memory/1708-137-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-142-0x0000000003760000-0x0000000003762000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1708-140-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-143-0x0000000003CF0000-0x0000000003CF1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1708-144-0x0000000003760000-0x0000000003762000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1708-145-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-146-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-147-0x0000000003760000-0x0000000003762000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1708-148-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-133-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-150-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-151-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-154-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-155-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-156-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-157-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-158-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-160-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-161-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-135-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-162-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-179-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-167-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-169-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-171-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-173-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-175-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-177-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-166-0x0000000003760000-0x0000000003762000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1708-181-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-188-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-190-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-192-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-193-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-194-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-196-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-198-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-200-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-202-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-204-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-206-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-207-0x0000000002440000-0x00000000034CE000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/1708-134-0x0000000000400000-0x00000000004AA000-memory.dmp

                                        Filesize

                                        680KB

                                      • memory/1708-213-0x0000000000400000-0x00000000004AA000-memory.dmp

                                        Filesize

                                        680KB