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Analysis

  • max time kernel
    91s
  • 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
    28/10/2022, 19:36

General

  • Target

    57a68f016854455c96c7d8dffda101920cf5435dc2eacf30bba395776c8c1573.exe

  • Size

    886KB

  • MD5

    078e2046ac7838975476a91321c13e00

  • SHA1

    97fb58c2870d2b50e1cf010bda810b51ccf58ff4

  • SHA256

    57a68f016854455c96c7d8dffda101920cf5435dc2eacf30bba395776c8c1573

  • SHA512

    27509d4270d48134ba4bd170590deea9bd15f47025544971a5fc82ff692ec73b7e7556b51069b04f62b2d42837a8ce67524b4db5a8cc8787ac1c09df45f16ff6

  • SSDEEP

    24576:JdKhrfuPmUghtFKviSKCe3UFvciuRWJc:JwUKKqXUKv

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
  • Sality

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

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

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

  • Loads dropped DLL 1 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 4 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:776
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:1020
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:784
        • C:\Windows\system32\backgroundTaskHost.exe
          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
          1⤵
            PID:1984
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:4716
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:3648
              • 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:3408
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    1⤵
                      PID:3328
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      1⤵
                        PID:3236
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                        1⤵
                          PID:2632
                        • C:\Windows\Explorer.EXE
                          C:\Windows\Explorer.EXE
                          1⤵
                            PID:3068
                            • C:\Users\Admin\AppData\Local\Temp\57a68f016854455c96c7d8dffda101920cf5435dc2eacf30bba395776c8c1573.exe
                              "C:\Users\Admin\AppData\Local\Temp\57a68f016854455c96c7d8dffda101920cf5435dc2eacf30bba395776c8c1573.exe"
                              2⤵
                              • Modifies firewall policy service
                              • UAC bypass
                              • Windows security bypass
                              • Loads dropped DLL
                              • Windows security modification
                              • Checks whether UAC is enabled
                              • 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:4656
                              • C:\Program Files (x86)\602game\sgh\sgh.exe
                                "C:\Program Files (x86)\602game\sgh\sgh.exe"
                                3⤵
                                • Executes dropped EXE
                                • Drops file in Program Files directory
                                • Suspicious use of FindShellTrayWindow
                                • Suspicious use of SendNotifyMessage
                                • Suspicious use of SetWindowsHookEx
                                PID:1396
                          • C:\Windows\system32\taskhostw.exe
                            taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                            1⤵
                              PID:2396
                            • 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:2312

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\Program Files (x86)\602game\sgh\sgh.exe

                                  Filesize

                                  1023KB

                                  MD5

                                  5dcb7c023166f4c5c7dafc644dd2b31e

                                  SHA1

                                  29f33244534b573d71f42c17643dde5a06147708

                                  SHA256

                                  a17baaa2a19f2bcf81e9d83c747d4c1fe77282b6514205fc92c1e01b3016de8c

                                  SHA512

                                  4e6a3cf27d2dcebd1c64e01913dac55a3e3df69726f07ba449dfc92cb189f6021daa8801a6e1e29c2f8b37aaf250d684f2b9013180669526e64dfc2309f5b5d5

                                • C:\Program Files (x86)\602game\sgh\sgh.exe

                                  Filesize

                                  1023KB

                                  MD5

                                  5dcb7c023166f4c5c7dafc644dd2b31e

                                  SHA1

                                  29f33244534b573d71f42c17643dde5a06147708

                                  SHA256

                                  a17baaa2a19f2bcf81e9d83c747d4c1fe77282b6514205fc92c1e01b3016de8c

                                  SHA512

                                  4e6a3cf27d2dcebd1c64e01913dac55a3e3df69726f07ba449dfc92cb189f6021daa8801a6e1e29c2f8b37aaf250d684f2b9013180669526e64dfc2309f5b5d5

                                • C:\Program Files (x86)\602game\sgh\static.ini

                                  Filesize

                                  124B

                                  MD5

                                  cf38f2648bdccf4431928075984ae9bc

                                  SHA1

                                  63b76c9aaa0412762fc89837ecc1cbb50350c3e2

                                  SHA256

                                  70170aea4e2e869eb8a6371a71ef23a41a3adba916cd3e5cb1320e390fef1afb

                                  SHA512

                                  42168d298b12bdc010e527af33b0844e410c839d353f2c1a1d64a153fd83a6e8904cedbe3c8d64e18d96004c7b6a9ec743ed06832c2a6bfe1fb0db499d534328

                                • C:\Users\Admin\AppData\Local\Temp\nsjABD6.tmp\NSISdl.dll

                                  Filesize

                                  14KB

                                  MD5

                                  254f13dfd61c5b7d2119eb2550491e1d

                                  SHA1

                                  5083f6804ee3475f3698ab9e68611b0128e22fd6

                                  SHA256

                                  fd0e8be2135f3d326b65520383a3468c3983fa32c9c93594d986b16709d80f28

                                  SHA512

                                  fcef8ac5bd0ee6e316dbbc128a223ba18c8bf85a8d253e0c0877af6a4f686a20b08d34e5a426e2be5045962b391b8073769253a4d9b18616febc8133ccf654f7

                                • memory/4656-135-0x0000000000400000-0x0000000000450000-memory.dmp

                                  Filesize

                                  320KB

                                • memory/4656-136-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4656-141-0x0000000002330000-0x00000000033BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4656-142-0x0000000000400000-0x0000000000450000-memory.dmp

                                  Filesize

                                  320KB