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Analysis

  • max time kernel
    142s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2022, 07:18

General

  • Target

    0eaf1b3f7c947643b21e356f19443bbebdee9b99974c1cba19a1ce86a6040b4a.exe

  • Size

    129KB

  • MD5

    20e40951b9a2426a1e3d134c31f529f0

  • SHA1

    173727400494915e8e9cc10b6131bf9c8fc96596

  • SHA256

    0eaf1b3f7c947643b21e356f19443bbebdee9b99974c1cba19a1ce86a6040b4a

  • SHA512

    4ce89fd5478059c5a76add6a2013a3110faa37279c0256746a2f496873006b2865a2473f2e32693aa9fd85cde905ed70418453d902560e516bf3788ad93adf5d

  • SSDEEP

    3072:OQI2WRTXJSceAr+B/g4c5Xelh38PGdqNlv/WLm:O04Umr+Wl0h38PGgv/Km

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

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 1 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:760
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:992
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:768
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2296
          • C:\Windows\system32\taskhostw.exe
            taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
            1⤵
              PID:2468
            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
              1⤵
                PID:3328
              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                1⤵
                  PID:3488
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:3644
                  • C:\Windows\System32\RuntimeBroker.exe
                    C:\Windows\System32\RuntimeBroker.exe -Embedding
                    1⤵
                      PID:3392
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      1⤵
                        PID:3220
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                        1⤵
                          PID:1672
                        • C:\Windows\Explorer.EXE
                          C:\Windows\Explorer.EXE
                          1⤵
                            PID:3008
                            • C:\Users\Admin\AppData\Local\Temp\0eaf1b3f7c947643b21e356f19443bbebdee9b99974c1cba19a1ce86a6040b4a.exe
                              "C:\Users\Admin\AppData\Local\Temp\0eaf1b3f7c947643b21e356f19443bbebdee9b99974c1cba19a1ce86a6040b4a.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:3672
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                            1⤵
                              PID:2328

                            Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

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                            Downloads

                            • memory/3672-132-0x00000000023B0000-0x000000000343E000-memory.dmp

                              Filesize

                              16.6MB

                            • memory/3672-133-0x0000000000400000-0x0000000000444000-memory.dmp

                              Filesize

                              272KB

                            • memory/3672-134-0x00000000023B0000-0x000000000343E000-memory.dmp

                              Filesize

                              16.6MB

                            • memory/3672-135-0x0000000000400000-0x0000000000444000-memory.dmp

                              Filesize

                              272KB

                            • memory/3672-136-0x00000000023B0000-0x000000000343E000-memory.dmp

                              Filesize

                              16.6MB

                            • memory/3672-137-0x00000000023B0000-0x000000000343E000-memory.dmp

                              Filesize

                              16.6MB