Overview

overview

10

Static

static

5f5bec6fb8...0f.exe

windows7-x64

10

5f5bec6fb8...0f.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/10/2022, 19:35

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General

  • Target
    5f5bec6fb8efa85ed15f390f58f90d61c07922717b166eb00bfdf8e4e4a67b0f.exe
  • Size 840KB
  • Sample221028-ya2arsceg7
  • SHA256 5f5bec6fb8efa85ed15f390f58f90d61c07922717b166eb00bfdf8e4e4a67b0f
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
salitybackdoorevasiontrojanupx

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
    evasion
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

    backdoorsality
  • UAC bypass 3 TTPs 1 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 6 IoCs
    evasiontrojan
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Windows security modification 2 TTPs 7 IoCs
    evasiontrojan
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • 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 2 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:800
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:376
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
          PID:2372
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3644
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca
            1⤵
              PID:3924
            • C:\Windows\System32\RuntimeBroker.exe
              C:\Windows\System32\RuntimeBroker.exe -Embedding
              1⤵
                PID:4796
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:3872
                • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                  1⤵
                    PID:3724
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    1⤵
                      PID:3468
                    • 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\Explorer.EXE
                          C:\Windows\Explorer.EXE
                          1⤵
                            PID:740
                            • C:\Users\Admin\AppData\Local\Temp\5f5bec6fb8efa85ed15f390f58f90d61c07922717b166eb00bfdf8e4e4a67b0f.exe
                              "C:\Users\Admin\AppData\Local\Temp\5f5bec6fb8efa85ed15f390f58f90d61c07922717b166eb00bfdf8e4e4a67b0f.exe"
                              2⤵
                              • 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
                              • Modifies registry class
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious use of AdjustPrivilegeToken
                              • Suspicious use of WriteProcessMemory
                              • System policy modification
                              PID:520
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4520
                            • C:\Windows\system32\backgroundTaskHost.exe
                              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                              1⤵
                                PID:4920
                              • C:\Windows\system32\taskhostw.exe
                                taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                                1⤵
                                  PID:2460
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                                  1⤵
                                    PID:2408
                                  • C:\Windows\system32\fontdrvhost.exe
                                    "fontdrvhost.exe"
                                    1⤵
                                      PID:808

                                    Network

                                          MITRE ATT&CK Enterprise v6

                                          Replay Monitor

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                                          Downloads

                                          memory/520-132-0x0000000000400000-0x00000000004DF000-memory.dmp
                                          Download

                                          memory/520-133-0x00000000023D0000-0x000000000348A000-memory.dmp
                                          Download

                                          memory/520-134-0x00000000023D0000-0x000000000348A000-memory.dmp
                                          Download

                                          memory/520-135-0x00000000023D0000-0x000000000348A000-memory.dmp
                                          Download

                                          memory/520-136-0x0000000000400000-0x00000000004DF000-memory.dmp
                                          Download