Analysis

  • max time kernel
    170s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/10/2022, 22:02

General

  • Target

    178c2f5dd2748ab03f4b3f5e180f18bd810cc618ded91fd00f1bb916f28bb828.exe

  • Size

    231KB

  • MD5

    a19ed34c5a467fd47022fae23b19b617

  • SHA1

    7803dc1d0633628cb24eeda6f7c40fc23bf779b2

  • SHA256

    178c2f5dd2748ab03f4b3f5e180f18bd810cc618ded91fd00f1bb916f28bb828

  • SHA512

    a58f52072b897e8947d761ea4de43aba1ff075a03b9ed9b19ec762c010957eb456a0f2f2f90528c0246ce470736c426f77f3263967684d24ed3329640dbeb4a9

  • SSDEEP

    6144:V1ainopeQc2oBXJ9uIJrSgt/lhATwzvdiMOwLMlW:V1aidQNoBXbtJrSW/lhA8kxsR

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 5 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 11 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 28 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:804
    • C:\Windows\System32\RuntimeBroker.exe
      C:\Windows\System32\RuntimeBroker.exe -Embedding
      1⤵
        PID:3416
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:3688
        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
          1⤵
            PID:3500
          • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
            "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
            1⤵
              PID:3352
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
              1⤵
                PID:3256
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                1⤵
                  PID:708
                • C:\Windows\Explorer.EXE
                  C:\Windows\Explorer.EXE
                  1⤵
                    PID:2712
                    • C:\Users\Admin\AppData\Local\Temp\178c2f5dd2748ab03f4b3f5e180f18bd810cc618ded91fd00f1bb916f28bb828.exe
                      "C:\Users\Admin\AppData\Local\Temp\178c2f5dd2748ab03f4b3f5e180f18bd810cc618ded91fd00f1bb916f28bb828.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
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious behavior: GetForegroundWindowSpam
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of WriteProcessMemory
                      • System policy modification
                      PID:4640
                      • C:\Windows\SysWOW64\netsh.exe
                        netsh firewall set opmode disable
                        3⤵
                        • Modifies Windows Firewall
                        PID:1792
                        • C:\Windows\System32\Conhost.exe
                          \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                          4⤵
                            PID:372
                        • C:\Windows\SysWOW64\NOTEPAD.EXE
                          "C:\Windows\system32\NOTEPAD.EXE"
                          3⤵
                            PID:1248
                          • C:\Windows\SysWOW64\NOTEPAD.EXE
                            "C:\Windows\system32\NOTEPAD.EXE"
                            3⤵
                              PID:3428
                            • C:\Windows\SysWOW64\NOTEPAD.EXE
                              "C:\Windows\system32\NOTEPAD.EXE"
                              3⤵
                                PID:2744
                          • C:\Windows\system32\taskhostw.exe
                            taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                            1⤵
                              PID:2828
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                              1⤵
                                PID:2700
                              • C:\Windows\system32\sihost.exe
                                sihost.exe
                                1⤵
                                  PID:2600
                                • C:\Windows\system32\dwm.exe
                                  "dwm.exe"
                                  1⤵
                                    PID:380
                                  • C:\Windows\system32\fontdrvhost.exe
                                    "fontdrvhost.exe"
                                    1⤵
                                      PID:812

                                    Network

                                          MITRE ATT&CK Enterprise v6

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • memory/1248-139-0x0000000000610000-0x0000000000627000-memory.dmp

                                            Filesize

                                            92KB

                                          • memory/2744-143-0x0000000000750000-0x0000000000767000-memory.dmp

                                            Filesize

                                            92KB

                                          • memory/3428-141-0x0000000000EC0000-0x0000000000ED7000-memory.dmp

                                            Filesize

                                            92KB

                                          • memory/4640-132-0x0000000000400000-0x000000000047D000-memory.dmp

                                            Filesize

                                            500KB

                                          • memory/4640-133-0x0000000002380000-0x00000000033B2000-memory.dmp

                                            Filesize

                                            16.2MB

                                          • memory/4640-135-0x0000000002380000-0x00000000033B2000-memory.dmp

                                            Filesize

                                            16.2MB

                                          • memory/4640-136-0x0000000000400000-0x000000000047D000-memory.dmp

                                            Filesize

                                            500KB

                                          • memory/4640-137-0x0000000002380000-0x00000000033B2000-memory.dmp

                                            Filesize

                                            16.2MB