Analysis

  • max time kernel
    177s
  • max time network
    183s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-06-2022 17:34

General

  • Target

    31df02e41e17a2645f89515a0cb7754f98edff09cc6885bac94bc89c7f790f44.exe

  • Size

    176KB

  • MD5

    d516c7c9015428803266dc3a3ac2fda8

  • SHA1

    c7e0032763cfc888e38d0d73085ef48540f949c3

  • SHA256

    31df02e41e17a2645f89515a0cb7754f98edff09cc6885bac94bc89c7f790f44

  • SHA512

    8112f15bc80ae705a60870b2e80c3d14856e315d6b15cd3ddefc265c39f48c1c152dd3659e55e3ef7970404cdb7624fd189b30d20a3b6db1d37f12efcd4f8183

Malware Config

Extracted

Family

metasploit

Version

windows/reverse_tcp

C2

100.113.42.160:1314

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

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • 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
  • UPX packed file 3 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 22 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
  • Suspicious behavior: EnumeratesProcesses 28 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:768
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:1020
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
          PID:2460
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3620
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:4344
            • C:\Users\Admin\AppData\Local\Temp\31df02e41e17a2645f89515a0cb7754f98edff09cc6885bac94bc89c7f790f44.exe
              "C:\Users\Admin\AppData\Local\Temp\31df02e41e17a2645f89515a0cb7754f98edff09cc6885bac94bc89c7f790f44.exe"
              1⤵
              • Modifies firewall policy service
              • UAC bypass
              • Windows security bypass
              • 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
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              • System policy modification
              PID:3848
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:3856
              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                1⤵
                  PID:3708
                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                  1⤵
                    PID:3556
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3432
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                      1⤵
                        PID:3252
                      • C:\Windows\Explorer.EXE
                        C:\Windows\Explorer.EXE
                        1⤵
                          PID:3104
                        • C:\Windows\system32\taskhostw.exe
                          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                          1⤵
                            PID:2628
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                            1⤵
                              PID:2472
                            • C:\Windows\system32\fontdrvhost.exe
                              "fontdrvhost.exe"
                              1⤵
                                PID:776

                              Network

                              MITRE ATT&CK Matrix ATT&CK v6

                              Initial Access

                              Replication Through Removable Media

                              1
                              T1091

                              Persistence

                              Modify Existing Service

                              1
                              T1031

                              Privilege Escalation

                              Bypass User Account Control

                              1
                              T1088

                              Defense Evasion

                              Modify Registry

                              5
                              T1112

                              Bypass User Account Control

                              1
                              T1088

                              Disabling Security Tools

                              3
                              T1089

                              Discovery

                              System Information Discovery

                              2
                              T1082

                              Query Registry

                              1
                              T1012

                              Peripheral Device Discovery

                              1
                              T1120

                              Lateral Movement

                              Replication Through Removable Media

                              1
                              T1091

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              • memory/3848-130-0x0000000000400000-0x0000000000430000-memory.dmp
                                Filesize

                                192KB

                              • memory/3848-131-0x0000000000A40000-0x0000000001ACE000-memory.dmp
                                Filesize

                                16.6MB

                              • memory/3848-132-0x0000000000A40000-0x0000000001ACE000-memory.dmp
                                Filesize

                                16.6MB

                              • memory/3848-133-0x0000000000A40000-0x0000000001ACE000-memory.dmp
                                Filesize

                                16.6MB

                              • memory/3848-134-0x0000000000400000-0x0000000000430000-memory.dmp
                                Filesize

                                192KB