Analysis

  • max time kernel
    122s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/02/2024, 21:45

General

  • Target

    73b9580896eeb0939c0f22268b0dc37268b2abd1516a7d0c4a9abbd8a5061232.exe

  • Size

    3.0MB

  • MD5

    a4d8ae019f013517c7557012dba59dc6

  • SHA1

    43b595ed13b1fe31dcd57f65689d7d89db524953

  • SHA256

    73b9580896eeb0939c0f22268b0dc37268b2abd1516a7d0c4a9abbd8a5061232

  • SHA512

    ec470ed69989f656d967bd5b025dc7fb59cc0381b238568a63f844a1c114e9448727431317dfb6a4170bea2ff54faea95d9d15e296ff02f8486f50767c00d945

  • SSDEEP

    49152:RBwpxPJg7JW4jhzQpxSlDvZajSiOWJ40PCLdt5bqUl33kwpPN:RBwpxhg7JW4NkpqiOWJ4PLdTqUxV

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
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 39 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 13 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
      PID:336
    • C:\Windows\System32\RuntimeBroker.exe
      C:\Windows\System32\RuntimeBroker.exe -Embedding
      1⤵
        PID:3984
      • C:\Windows\System32\RuntimeBroker.exe
        C:\Windows\System32\RuntimeBroker.exe -Embedding
        1⤵
          PID:3556
        • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
          "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
          1⤵
            PID:4948
          • C:\Users\Admin\AppData\Local\Temp\73b9580896eeb0939c0f22268b0dc37268b2abd1516a7d0c4a9abbd8a5061232.exe
            "C:\Users\Admin\AppData\Local\Temp\73b9580896eeb0939c0f22268b0dc37268b2abd1516a7d0c4a9abbd8a5061232.exe"
            1⤵
            • 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
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:1744
          • C:\Windows\System32\RuntimeBroker.exe
            C:\Windows\System32\RuntimeBroker.exe -Embedding
            1⤵
              PID:4184
            • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
              "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
              1⤵
                PID:4072
              • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                1⤵
                  PID:3880
                • C:\Windows\system32\DllHost.exe
                  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                  1⤵
                    PID:3784
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                    1⤵
                      PID:3568
                    • C:\Windows\Explorer.EXE
                      C:\Windows\Explorer.EXE
                      1⤵
                        PID:3356
                      • C:\Windows\system32\taskhostw.exe
                        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                        1⤵
                          PID:2612
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                          1⤵
                            PID:2484
                          • C:\Windows\system32\sihost.exe
                            sihost.exe
                            1⤵
                              PID:2468
                            • C:\Windows\system32\fontdrvhost.exe
                              "fontdrvhost.exe"
                              1⤵
                                PID:816
                              • C:\Windows\system32\fontdrvhost.exe
                                "fontdrvhost.exe"
                                1⤵
                                  PID:808

                                Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • C:\Program Files (x86)\Common Files\WanNengSoftManager\WanNengSoftManager.ini

                                        Filesize

                                        186B

                                        MD5

                                        2e3de2fbdda5f9c6fb1cb9ad979fa705

                                        SHA1

                                        f6217c1f8bb9b781084080964008bc93cde4f38a

                                        SHA256

                                        4061506aa6b8964bbec32ad56a28195406ef195992c8d803e5c566f148ab7a15

                                        SHA512

                                        f0129b17e1ee25eadf893046b341be6fb4700954e525853f9ee24b55f40f239064aa5ba0c3a26c9c18ab9772fe38c7da3efe4dd2874caf0a7298e511d1e20c97

                                      • C:\Users\Admin\AppData\LocalLow\WanNengSoftManager\SoftConfig\SoftUse.ini

                                        Filesize

                                        159B

                                        MD5

                                        5289160c2a9057ca6f3c1f10dd2d145c

                                        SHA1

                                        1f5cdc1848caf557f3691a15994b4c6b17eca466

                                        SHA256

                                        a0b848a4f79c5a26b158cbb2171b88a435959509a3b09dfa674b3f703fa9011f

                                        SHA512

                                        2570b2efe97b12e02d6d064df653da0addbca508d11d0fd9b0f31d8890f7524c45cbd95465720869e895acf268332ce0750906ed9a6f7a8db5525d7bfe09f5ce

                                      • memory/1744-44-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-33-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-17-0x0000000000D30000-0x0000000000D32000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1744-15-0x00000000036F0000-0x00000000036F1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/1744-14-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-18-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-24-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-25-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-26-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-27-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-28-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-29-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-30-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-51-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-32-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-49-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-35-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-36-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-37-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-39-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-42-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-0-0x0000000000400000-0x00000000006FE000-memory.dmp

                                        Filesize

                                        3.0MB

                                      • memory/1744-13-0x0000000000D30000-0x0000000000D32000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1744-46-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-31-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-53-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-59-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-60-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-62-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-64-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-66-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-68-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-69-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-70-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-72-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-74-0x0000000000D30000-0x0000000000D32000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/1744-75-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-77-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-79-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-81-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-83-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-12-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-4-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-2-0x00000000025F0000-0x00000000036AA000-memory.dmp

                                        Filesize

                                        16.7MB

                                      • memory/1744-121-0x0000000010000000-0x00000000100E5000-memory.dmp

                                        Filesize

                                        916KB