Analysis

  • max time kernel
    103s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2022 21:05

General

  • Target

    97e40f696f17fb0f3b60245f2e74bf50c82f424eadc93bd6bc228c41834a9c5d.exe

  • Size

    97KB

  • MD5

    0ba32e3a782fb50cf1ef614e80eefcfa

  • SHA1

    0abcf16289829439880e257ef70d2b471f2bd7d2

  • SHA256

    97e40f696f17fb0f3b60245f2e74bf50c82f424eadc93bd6bc228c41834a9c5d

  • SHA512

    e9d9d62f7cf5fd4510dc08633613df974206f469ca486d6b7bfa09a7db59d4437f77570de4e713b1aaad5d0ed3d5d7810e30327a8836e618cda745d64f9510cd

  • SSDEEP

    1536:9AcQ6g9KgrCPZyaNtwd1eAK6GeXgUEdIWztOSzMmOGdYOl4GSH9hD:5La/rCPZyaNtw/Y8heIWzsS4Z61yD

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 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 13 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:772
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:1020
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:780
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2340
          • C:\Windows\system32\taskhostw.exe
            taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
            1⤵
              PID:2496
            • C:\Windows\Explorer.EXE
              C:\Windows\Explorer.EXE
              1⤵
                PID:2940
                • C:\Users\Admin\AppData\Local\Temp\97e40f696f17fb0f3b60245f2e74bf50c82f424eadc93bd6bc228c41834a9c5d.exe
                  "C:\Users\Admin\AppData\Local\Temp\97e40f696f17fb0f3b60245f2e74bf50c82f424eadc93bd6bc228c41834a9c5d.exe"
                  2⤵
                  • Modifies firewall policy service
                  • UAC bypass
                  • Windows security bypass
                  • 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:1316
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:2588
                • C:\Windows\system32\backgroundTaskHost.exe
                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
                  1⤵
                    PID:740
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:4692
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:3616
                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                        1⤵
                          PID:3496
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:3396
                          • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                            "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                            1⤵
                              PID:3332
                            • C:\Windows\system32\DllHost.exe
                              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                              1⤵
                                PID:3244
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                1⤵
                                  PID:760
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                  1⤵
                                    PID:2356

                                  Network

                                  MITRE ATT&CK Enterprise v6

                                  Replay Monitor

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                                  Downloads

                                  • memory/1316-132-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1316-133-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1316-134-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1316-135-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/1316-136-0x0000000000770000-0x000000000182A000-memory.dmp

                                    Filesize

                                    16.7MB