Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2022, 21:17

General

  • Target

    febfcff60f563c1de8722695bdcedfa299063cc59c17dd34d2bc13262fc54bba.exe

  • Size

    367KB

  • MD5

    64732ae63ca84c150f07c8381c3776a8

  • SHA1

    2218e1431f64a39a606cb9f39a407a0b1fd2ca93

  • SHA256

    febfcff60f563c1de8722695bdcedfa299063cc59c17dd34d2bc13262fc54bba

  • SHA512

    288f1fb7bae13c2fedaf778baf34c081a3382fa5d5916a493d2e8caba885f35d92991a77cf30f29296b4e398cef63eac60d2381f53fca535d0eff9de5e6d96e4

  • SSDEEP

    6144:k9PF/yO1EiyJdl2GaJoDLs2niyKDe7lKbylMi:A4igdl2GlDLs6zLlMi

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

  • Detect Neshta payload 1 IoCs
  • Modifies firewall policy service 2 TTPs 6 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Sality

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

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 6 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 39 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 64 IoCs
  • Drops file in Windows directory 2 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 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:772
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:1020
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:780
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2340
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2356
            • C:\Windows\system32\backgroundTaskHost.exe
              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
              1⤵
                PID:740
              • C:\Windows\system32\backgroundTaskHost.exe
                "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                1⤵
                  PID:2848
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:2588
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:4692
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:3616
                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                        1⤵
                          PID:3496
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:3396
                          • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                            "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                            1⤵
                              PID:3332
                            • C:\Windows\system32\DllHost.exe
                              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                              1⤵
                                PID:3244
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                1⤵
                                  PID:760
                                • C:\Windows\Explorer.EXE
                                  C:\Windows\Explorer.EXE
                                  1⤵
                                    PID:2940
                                    • C:\Users\Admin\AppData\Local\Temp\febfcff60f563c1de8722695bdcedfa299063cc59c17dd34d2bc13262fc54bba.exe
                                      "C:\Users\Admin\AppData\Local\Temp\febfcff60f563c1de8722695bdcedfa299063cc59c17dd34d2bc13262fc54bba.exe"
                                      2⤵
                                      • Modifies firewall policy service
                                      • Modifies system executable filetype association
                                      • UAC bypass
                                      • Windows security bypass
                                      • Checks computer location settings
                                      • 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 WriteProcessMemory
                                      • System policy modification
                                      PID:2116
                                      • C:\Users\Admin\AppData\Local\Temp\3582-490\febfcff60f563c1de8722695bdcedfa299063cc59c17dd34d2bc13262fc54bba.exe
                                        "C:\Users\Admin\AppData\Local\Temp\3582-490\febfcff60f563c1de8722695bdcedfa299063cc59c17dd34d2bc13262fc54bba.exe"
                                        3⤵
                                        • Modifies firewall policy service
                                        • UAC bypass
                                        • Windows security bypass
                                        • Executes dropped EXE
                                        • Windows security modification
                                        • Checks whether UAC is enabled
                                        • Enumerates connected drives
                                        • Drops file in Program Files directory
                                        • Drops file in Windows directory
                                        • Suspicious behavior: EnumeratesProcesses
                                        • Suspicious use of AdjustPrivilegeToken
                                        • Suspicious use of WriteProcessMemory
                                        • System policy modification
                                        PID:2716
                                  • C:\Windows\system32\taskhostw.exe
                                    taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                    1⤵
                                      PID:2496

                                    Network

                                          MITRE ATT&CK Enterprise v6

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • C:\ODT\office2016setup.exe

                                            Filesize

                                            5.1MB

                                            MD5

                                            02c3d242fe142b0eabec69211b34bc55

                                            SHA1

                                            ea0a4a6d6078b362f7b3a4ad1505ce49957dc16e

                                            SHA256

                                            2a1ed24be7e3859b46ec3ebc316789ead5f12055853f86a9656e04b4bb771842

                                            SHA512

                                            0efb08492eaaa2e923beddc21566e98fbbef3a102f9415ff310ec616f5c84fd2ba3a7025b05e01c0bdf37e5e2f64dfd845f9254a376144cc7d827e7577dbb099

                                          • C:\Users\Admin\AppData\Local\Temp\3582-490\febfcff60f563c1de8722695bdcedfa299063cc59c17dd34d2bc13262fc54bba.exe

                                            Filesize

                                            327KB

                                            MD5

                                            6882df90ceffff0a133bd156d538fa8e

                                            SHA1

                                            864b2abe5d08c9a1fb24f35627ddb449ba7e2160

                                            SHA256

                                            8caab2cf18dd64db397915337ae22a6090f01cb5f6876af50e81d75185fc1fb1

                                            SHA512

                                            0d97c2cd0b5648f7f80cfff1415fe1a89d5eae6ce3bcf70b5a570c003e19e72716f1b56d0737d21de8c76aef057b5ca3ccdca7d4f961a1e82a132e152b16576a

                                          • C:\Users\Admin\AppData\Local\Temp\3582-490\febfcff60f563c1de8722695bdcedfa299063cc59c17dd34d2bc13262fc54bba.exe

                                            Filesize

                                            327KB

                                            MD5

                                            6882df90ceffff0a133bd156d538fa8e

                                            SHA1

                                            864b2abe5d08c9a1fb24f35627ddb449ba7e2160

                                            SHA256

                                            8caab2cf18dd64db397915337ae22a6090f01cb5f6876af50e81d75185fc1fb1

                                            SHA512

                                            0d97c2cd0b5648f7f80cfff1415fe1a89d5eae6ce3bcf70b5a570c003e19e72716f1b56d0737d21de8c76aef057b5ca3ccdca7d4f961a1e82a132e152b16576a

                                          • C:\Windows\SYSTEM.INI

                                            Filesize

                                            257B

                                            MD5

                                            e4ac472fc8a3d2dd30f83efcb5b013bd

                                            SHA1

                                            2a6004ba8cd7082f78c81afaf490deb6e326399a

                                            SHA256

                                            710829c10cec3b6925b41b2f64e4dda7dc4d06fbd566dc8ce3aa35a7a5fc80b7

                                            SHA512

                                            9b99604be39d212fa02f26c7230299f151c26d905064e4627cdbe937d9038184471b1ca61e72adb73ae19379a5237a5bf06321d3cb3c3d0128429851cdc91395

                                          • memory/2116-142-0x0000000003530000-0x00000000045BE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2116-143-0x0000000003530000-0x00000000045BE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2116-144-0x0000000003530000-0x00000000045BE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2716-135-0x0000000002470000-0x00000000034FE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2716-137-0x0000000002470000-0x00000000034FE000-memory.dmp

                                            Filesize

                                            16.6MB

                                          • memory/2716-136-0x0000000001000000-0x0000000001056000-memory.dmp

                                            Filesize

                                            344KB

                                          • memory/2716-139-0x0000000001000000-0x0000000001056000-memory.dmp

                                            Filesize

                                            344KB

                                          • memory/2716-140-0x0000000002470000-0x00000000034FE000-memory.dmp

                                            Filesize

                                            16.6MB