Analysis

  • max time kernel
    166s
  • max time network
    170s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-11-2022 05:22

General

  • Target

    917ee0a0141b5cedf9abccabaf21e8f64cf81c115c66ea30b609813b70d0d6f7.exe

  • Size

    261KB

  • MD5

    0a87ae0e78763737168f5dc508fc7da0

  • SHA1

    017097e9ad4405cea9e77478cd679eef12b9630f

  • SHA256

    917ee0a0141b5cedf9abccabaf21e8f64cf81c115c66ea30b609813b70d0d6f7

  • SHA512

    e6390c18a2097410dc7fb32adce6e9024a54f08632f3b9a139e7ccd9ceb87f639ebaf160ec6c6bac8fcdcd908fc7ffa17bf1410805c0e06387ed57ebb1d985e5

  • SSDEEP

    6144:0Fc66UZNvw2M6by5/iq/4cw5hGtDiBuQ+e/o:F66UtLW/iq/4cw5yieio

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

  • 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 2 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 Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:372
        • C:\Windows\system32\taskhostw.exe
          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
          1⤵
            PID:2860
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2740
            • C:\Windows\system32\sihost.exe
              sihost.exe
              1⤵
                PID:2628
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                1⤵
                  PID:3380
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3196
                  • C:\Windows\system32\backgroundTaskHost.exe
                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                    1⤵
                      PID:3796
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:4608
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3828
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3624
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3536
                            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                              1⤵
                                PID:3472
                              • C:\Windows\Explorer.EXE
                                C:\Windows\Explorer.EXE
                                1⤵
                                  PID:3080
                                  • C:\Users\Admin\AppData\Local\Temp\917ee0a0141b5cedf9abccabaf21e8f64cf81c115c66ea30b609813b70d0d6f7.exe
                                    "C:\Users\Admin\AppData\Local\Temp\917ee0a0141b5cedf9abccabaf21e8f64cf81c115c66ea30b609813b70d0d6f7.exe"
                                    2⤵
                                    • Modifies firewall policy service
                                    • UAC bypass
                                    • Windows security bypass
                                    • Windows security modification
                                    • Checks whether UAC is enabled
                                    • Drops file in Windows directory
                                    • Suspicious behavior: EnumeratesProcesses
                                    • Suspicious use of AdjustPrivilegeToken
                                    • Suspicious use of WriteProcessMemory
                                    • System policy modification
                                    PID:3584

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • memory/3584-132-0x0000000000400000-0x0000000000442000-memory.dmp

                                  Filesize

                                  264KB

                                • memory/3584-133-0x00000000023B0000-0x000000000346A000-memory.dmp

                                  Filesize

                                  16.7MB

                                • memory/3584-134-0x0000000000400000-0x0000000000442000-memory.dmp

                                  Filesize

                                  264KB

                                • memory/3584-135-0x00000000023B0000-0x000000000346A000-memory.dmp

                                  Filesize

                                  16.7MB