Analysis

  • max time kernel
    131s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-05-2024 02:27

General

  • Target

    4a3492b2a01b91ba4c0cb7e0ef40c958c9983cbd2a5585aaa868ddb5586f178c.exe

  • Size

    2.2MB

  • MD5

    d720bc159389b4dde0573179835d37db

  • SHA1

    298a968bc6c8af00249aa590113eb5689eb20bf1

  • SHA256

    4a3492b2a01b91ba4c0cb7e0ef40c958c9983cbd2a5585aaa868ddb5586f178c

  • SHA512

    ebdd26a66d028ac7bbc69f6a538725276f20ffbf0e5e3e8c826216b9ef165003e501a202c49696bfad3801506c708bc937db1a0f99d7fd5e7aeb605ce7821561

  • SSDEEP

    49152:HKBMBggggM9QAVas9AzP9u6KyXVCYZj+KP/hsVfRfQ+tW:HQWAVahYbygRgh+

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 10 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:776
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:772
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
          1⤵
            PID:2632
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
              PID:2644
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2804
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3540
                  • C:\Users\Admin\AppData\Local\Temp\4a3492b2a01b91ba4c0cb7e0ef40c958c9983cbd2a5585aaa868ddb5586f178c.exe
                    "C:\Users\Admin\AppData\Local\Temp\4a3492b2a01b91ba4c0cb7e0ef40c958c9983cbd2a5585aaa868ddb5586f178c.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:3520
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3668
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3864
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3952
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4016
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4092

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • memory/3520-0-0x0000000000400000-0x0000000000643000-memory.dmp
                            Filesize

                            2.3MB

                          • memory/3520-3-0x0000000002420000-0x00000000034DA000-memory.dmp
                            Filesize

                            16.7MB

                          • memory/3520-1-0x0000000002420000-0x00000000034DA000-memory.dmp
                            Filesize

                            16.7MB

                          • memory/3520-6-0x0000000002420000-0x00000000034DA000-memory.dmp
                            Filesize

                            16.7MB

                          • memory/3520-5-0x0000000002420000-0x00000000034DA000-memory.dmp
                            Filesize

                            16.7MB

                          • memory/3520-14-0x0000000002420000-0x00000000034DA000-memory.dmp
                            Filesize

                            16.7MB

                          • memory/3520-20-0x0000000002420000-0x00000000034DA000-memory.dmp
                            Filesize

                            16.7MB

                          • memory/3520-25-0x0000000000400000-0x0000000000643000-memory.dmp
                            Filesize

                            2.3MB

                          • memory/3520-17-0x0000000002420000-0x00000000034DA000-memory.dmp
                            Filesize

                            16.7MB

                          • memory/3520-7-0x0000000002420000-0x00000000034DA000-memory.dmp
                            Filesize

                            16.7MB

                          • memory/3520-13-0x0000000002420000-0x00000000034DA000-memory.dmp
                            Filesize

                            16.7MB

                          • memory/3520-4-0x0000000002420000-0x00000000034DA000-memory.dmp
                            Filesize

                            16.7MB