Analysis

  • max time kernel
    121s
  • max time network
    126s
  • 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, 22:08

General

  • Target

    5378322baef7c79e2a6bddf97a42094b14695804a9ec16d472ae2dfae4ca96fc.exe

  • Size

    93KB

  • MD5

    6dad3db67ff15142a42530d5613b2b3e

  • SHA1

    79bc6f592cc226f296e949c3e36f2ea740f81b00

  • SHA256

    5378322baef7c79e2a6bddf97a42094b14695804a9ec16d472ae2dfae4ca96fc

  • SHA512

    15145fa89e7b3d2587b4615e0fe579d166c09074a6287a3921f900195ab6d6b2f25a5d8d11141da1db7859c0d88d4906e5a94cf0cc6f6e37d08300055975bf12

  • SSDEEP

    1536:cq824LckNHsvcl35JnOQATN5C+DJ+y/FX4U/QuMrNSQsKbDAsjCN/Pa:cxLTJH35YQAT2+3NXKuPQT8/Pa

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
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • UPX packed file 4 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
  • Enumerates connected drives 3 TTPs 7 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 30 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:4324
      • 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: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\5378322baef7c79e2a6bddf97a42094b14695804a9ec16d472ae2dfae4ca96fc.exe
                          "C:\Users\Admin\AppData\Local\Temp\5378322baef7c79e2a6bddf97a42094b14695804a9ec16d472ae2dfae4ca96fc.exe"
                          2⤵
                          • Modifies firewall policy service
                          • UAC bypass
                          • Windows security bypass
                          • Disables RegEdit via registry modification
                          • Windows security modification
                          • Checks whether UAC is enabled
                          • Enumerates connected drives
                          • Drops file in Windows directory
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious use of AdjustPrivilegeToken
                          • Suspicious use of WriteProcessMemory
                          • System policy modification
                          PID:4924
                      • 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/4924-132-0x0000000000400000-0x000000000041A000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/4924-133-0x0000000002230000-0x00000000032BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4924-134-0x0000000002230000-0x00000000032BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4924-135-0x0000000002230000-0x00000000032BE000-memory.dmp

                                  Filesize

                                  16.6MB

                                • memory/4924-136-0x0000000000400000-0x000000000041A000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/4924-137-0x0000000002230000-0x00000000032BE000-memory.dmp

                                  Filesize

                                  16.6MB