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Analysis

  • max time kernel
    79s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2022, 11:34

General

  • Target

    efe1b8041dafce60b2e84f0c66ad969d275573efc734a5a395417ac6f5b11451.exe

  • Size

    277KB

  • MD5

    7d512244704ec7d0d57391ddca72df16

  • SHA1

    587ea4305d315bce15c48d0989e6837990dfaec9

  • SHA256

    efe1b8041dafce60b2e84f0c66ad969d275573efc734a5a395417ac6f5b11451

  • SHA512

    2265ce6dfd876c204f7547cc57eac3ceb8091672c2a4d69e6e97341a32e6f1ccb883d9ba712fae0066d993e706d00e07983df8dfaf412ab1c9b3b56f2a972f6f

  • SSDEEP

    6144:CY5XCwA3rxVhhwN9HJQaM2bGx/2aDDOQzX6NNXha:CY5XCwYlVbwN9HJQepan5Ss

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

  • Sality

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

  • UAC bypass 3 TTPs 2 IoCs
  • Modifies Windows Firewall 1 TTPs 2 IoCs
  • UPX packed file 5 IoCs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:800
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:400
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:792
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2376
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2388
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2492
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:2792
                  • C:\Users\Admin\AppData\Local\Temp\efe1b8041dafce60b2e84f0c66ad969d275573efc734a5a395417ac6f5b11451.exe
                    "C:\Users\Admin\AppData\Local\Temp\efe1b8041dafce60b2e84f0c66ad969d275573efc734a5a395417ac6f5b11451.exe"
                    2⤵
                    • UAC bypass
                    • 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:1864
                    • C:\Windows\SysWOW64\netsh.exe
                      netsh firewall set opmode disable
                      3⤵
                      • UAC bypass
                      • Modifies Windows Firewall
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of WriteProcessMemory
                      PID:1404
                      • C:\Windows\System32\Conhost.exe
                        \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                        4⤵
                          PID:4708
                        • C:\Windows\SysWOW64\netsh.exe
                          netsh firewall set opmode disable
                          4⤵
                          • Modifies Windows Firewall
                          PID:3256
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3292
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:3524
                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                        1⤵
                          PID:3436
                        • C:\Windows\system32\backgroundTaskHost.exe
                          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                          1⤵
                            PID:2540
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:5116
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:3868
                              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                1⤵
                                  PID:3604
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                                  1⤵
                                    PID:3080
                                  • C:\Windows\System32\RuntimeBroker.exe
                                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                                    1⤵
                                      PID:2884

                                    Network

                                    MITRE ATT&CK Enterprise v6

                                    Replay Monitor

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                                    Downloads

                                    • C:\Windows\SYSTEM.INI

                                      Filesize

                                      258B

                                      MD5

                                      60728c31094a208dc05f2742013d8436

                                      SHA1

                                      31c54013799595814d70422d450fc89e3dbb683f

                                      SHA256

                                      23565d3568990142847ccd81544cd7b39f91a87419c8d58abd049af795d862d0

                                      SHA512

                                      91278fb6d8c2e3e5ec9c531e430471c8fc29eca634c46ff9ec19b2ab524e06a4bf83e620f49bf19a95859ffe87c0820e43d9e39ab92e770a91bc100eb2e5147b

                                    • memory/1404-138-0x0000000002BF0000-0x0000000003C20000-memory.dmp

                                      Filesize

                                      16.2MB

                                    • memory/1404-141-0x0000000002BF0000-0x0000000003C20000-memory.dmp

                                      Filesize

                                      16.2MB

                                    • memory/1864-132-0x0000000000400000-0x0000000000445000-memory.dmp

                                      Filesize

                                      276KB

                                    • memory/1864-133-0x0000000002310000-0x0000000003340000-memory.dmp

                                      Filesize

                                      16.2MB

                                    • memory/1864-134-0x0000000002310000-0x0000000003340000-memory.dmp

                                      Filesize

                                      16.2MB

                                    • memory/1864-136-0x0000000000400000-0x0000000000445000-memory.dmp

                                      Filesize

                                      276KB

                                    • memory/1864-137-0x0000000002310000-0x0000000003340000-memory.dmp

                                      Filesize

                                      16.2MB