Analysis

  • max time kernel
    160s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2022, 21:26

General

  • Target

    7cfd80580b6ef8c70a266bd8273c2327acaa162d44933ddbc1407b8f6f7b5ab2.exe

  • Size

    440KB

  • MD5

    09456befc94d8d0974692376f98dc8f0

  • SHA1

    faa8817a2e6b99223acbd98a8dca1f205824ddd0

  • SHA256

    7cfd80580b6ef8c70a266bd8273c2327acaa162d44933ddbc1407b8f6f7b5ab2

  • SHA512

    01cd3863679c8f303d60b7c952f36b9e30d600520770784ec6d7556f83bc9e3c38201eaf6566e860be0539c3b33a7417abf0766f351cf8151784dfb2d21959b8

  • SSDEEP

    6144:9IbELf/Ml/cWdi5pV/JNWOVhMcE/NcvEIm/d:AdOpNX1hE3I+

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
  • Modifies visibility of file extensions in Explorer 2 TTPs 11 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 11 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
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Executes dropped EXE 10 IoCs
  • UPX packed file 3 IoCs

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

  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 45 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • 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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 3 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:1020
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:788
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3456
          • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
            "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
            1⤵
              PID:3356
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
              1⤵
                PID:3252
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                1⤵
                  PID:2740
                • C:\Windows\Explorer.EXE
                  C:\Windows\Explorer.EXE
                  1⤵
                    PID:2440
                    • C:\Users\Admin\AppData\Local\Temp\7cfd80580b6ef8c70a266bd8273c2327acaa162d44933ddbc1407b8f6f7b5ab2.exe
                      "C:\Users\Admin\AppData\Local\Temp\7cfd80580b6ef8c70a266bd8273c2327acaa162d44933ddbc1407b8f6f7b5ab2.exe"
                      2⤵
                      • Modifies firewall policy service
                      • Modifies visibility of file extensions in Explorer
                      • Modifies visiblity of hidden/system files in Explorer
                      • UAC bypass
                      • Windows security bypass
                      • Disables RegEdit via registry modification
                      • Checks computer location settings
                      • Windows security modification
                      • Adds Run key to start application
                      • 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:3536
                      • C:\Program Files\Windows Alerter\WinAlert.exe
                        "C:\Program Files\Windows Alerter\WinAlert.exe"
                        3⤵
                        • Modifies visibility of file extensions in Explorer
                        • Modifies visiblity of hidden/system files in Explorer
                        • Executes dropped EXE
                        • Adds Run key to start application
                        PID:4268
                      • C:\RECYCLER\X-1-5-21-1960408961-725345543-839522115-1003\WinSysApp.exe
                        "C:\RECYCLER\X-1-5-21-1960408961-725345543-839522115-1003\WinSysApp.exe"
                        3⤵
                        • Modifies visibility of file extensions in Explorer
                        • Modifies visiblity of hidden/system files in Explorer
                        • Executes dropped EXE
                        • Checks computer location settings
                        • Adds Run key to start application
                        • Modifies registry class
                        • Suspicious use of WriteProcessMemory
                        PID:1380
                        • C:\Program Files\Windows Common Files\Commgr.exe
                          "C:\Program Files\Windows Common Files\Commgr.exe"
                          4⤵
                          • Modifies visibility of file extensions in Explorer
                          • Modifies visiblity of hidden/system files in Explorer
                          • Executes dropped EXE
                          • Adds Run key to start application
                          PID:2524
                      • C:\Program Files\Windows Alerter\WinAlert.exe
                        "C:\Program Files\Windows Alerter\WinAlert.exe"
                        3⤵
                        • Modifies visibility of file extensions in Explorer
                        • Modifies visiblity of hidden/system files in Explorer
                        • Executes dropped EXE
                        • Checks computer location settings
                        • Adds Run key to start application
                        • Modifies registry class
                        • Suspicious use of WriteProcessMemory
                        PID:4240
                        • C:\RECYCLER\X-1-5-21-1960408961-725345543-839522115-1003\WinSysApp.exe
                          "C:\RECYCLER\X-1-5-21-1960408961-725345543-839522115-1003\WinSysApp.exe"
                          4⤵
                          • Modifies visibility of file extensions in Explorer
                          • Modifies visiblity of hidden/system files in Explorer
                          • Executes dropped EXE
                          • Adds Run key to start application
                          PID:1628
                        • C:\Program Files\Windows Common Files\Commgr.exe
                          "C:\Program Files\Windows Common Files\Commgr.exe"
                          4⤵
                          • Modifies visibility of file extensions in Explorer
                          • Modifies visiblity of hidden/system files in Explorer
                          • Executes dropped EXE
                          • Adds Run key to start application
                          PID:396
                      • C:\Program Files\Windows Common Files\Commgr.exe
                        "C:\Program Files\Windows Common Files\Commgr.exe"
                        3⤵
                        • Modifies visibility of file extensions in Explorer
                        • Modifies visiblity of hidden/system files in Explorer
                        • Executes dropped EXE
                        • Adds Run key to start application
                        PID:5108
                      • C:\Program Files\Windows Common Files\Commgr.exe
                        "C:\Program Files\Windows Common Files\Commgr.exe"
                        3⤵
                        • Modifies visibility of file extensions in Explorer
                        • Modifies visiblity of hidden/system files in Explorer
                        • Executes dropped EXE
                        • Adds Run key to start application
                        PID:3496
                      • C:\Program Files\Windows Common Files\Commgr.exe
                        "C:\Program Files\Windows Common Files\Commgr.exe"
                        3⤵
                        • Modifies visibility of file extensions in Explorer
                        • Modifies visiblity of hidden/system files in Explorer
                        • Executes dropped EXE
                        • Adds Run key to start application
                        PID:2208
                      • C:\RECYCLER\X-1-5-21-1960408961-725345543-839522115-1003\WinSysApp.exe
                        "C:\RECYCLER\X-1-5-21-1960408961-725345543-839522115-1003\WinSysApp.exe"
                        3⤵
                        • Modifies visibility of file extensions in Explorer
                        • Modifies visiblity of hidden/system files in Explorer
                        • Executes dropped EXE
                        • Adds Run key to start application
                        PID:2692
                  • C:\Windows\system32\taskhostw.exe
                    taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                    1⤵
                      PID:2464
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:2320
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4620
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:3764
                          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                            1⤵
                              PID:3572
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
                              1⤵
                                PID:2360
                              • C:\Windows\system32\sihost.exe
                                sihost.exe
                                1⤵
                                  PID:2336

                                Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • C:\Program Files\Windows Alerter\WinAlert.exe

                                        Filesize

                                        440KB

                                        MD5

                                        09456befc94d8d0974692376f98dc8f0

                                        SHA1

                                        faa8817a2e6b99223acbd98a8dca1f205824ddd0

                                        SHA256

                                        7cfd80580b6ef8c70a266bd8273c2327acaa162d44933ddbc1407b8f6f7b5ab2

                                        SHA512

                                        01cd3863679c8f303d60b7c952f36b9e30d600520770784ec6d7556f83bc9e3c38201eaf6566e860be0539c3b33a7417abf0766f351cf8151784dfb2d21959b8

                                      • C:\Program Files\Windows Alerter\WinAlert.exe

                                        Filesize

                                        440KB

                                        MD5

                                        09456befc94d8d0974692376f98dc8f0

                                        SHA1

                                        faa8817a2e6b99223acbd98a8dca1f205824ddd0

                                        SHA256

                                        7cfd80580b6ef8c70a266bd8273c2327acaa162d44933ddbc1407b8f6f7b5ab2

                                        SHA512

                                        01cd3863679c8f303d60b7c952f36b9e30d600520770784ec6d7556f83bc9e3c38201eaf6566e860be0539c3b33a7417abf0766f351cf8151784dfb2d21959b8

                                      • C:\Program Files\Windows Alerter\WinAlert.exe

                                        Filesize

                                        440KB

                                        MD5

                                        09456befc94d8d0974692376f98dc8f0

                                        SHA1

                                        faa8817a2e6b99223acbd98a8dca1f205824ddd0

                                        SHA256

                                        7cfd80580b6ef8c70a266bd8273c2327acaa162d44933ddbc1407b8f6f7b5ab2

                                        SHA512

                                        01cd3863679c8f303d60b7c952f36b9e30d600520770784ec6d7556f83bc9e3c38201eaf6566e860be0539c3b33a7417abf0766f351cf8151784dfb2d21959b8

                                      • C:\Program Files\Windows Common Files\Commgr.exe

                                        Filesize

                                        440KB

                                        MD5

                                        09456befc94d8d0974692376f98dc8f0

                                        SHA1

                                        faa8817a2e6b99223acbd98a8dca1f205824ddd0

                                        SHA256

                                        7cfd80580b6ef8c70a266bd8273c2327acaa162d44933ddbc1407b8f6f7b5ab2

                                        SHA512

                                        01cd3863679c8f303d60b7c952f36b9e30d600520770784ec6d7556f83bc9e3c38201eaf6566e860be0539c3b33a7417abf0766f351cf8151784dfb2d21959b8

                                      • C:\Program Files\Windows Common Files\Commgr.exe

                                        Filesize

                                        440KB

                                        MD5

                                        09456befc94d8d0974692376f98dc8f0

                                        SHA1

                                        faa8817a2e6b99223acbd98a8dca1f205824ddd0

                                        SHA256

                                        7cfd80580b6ef8c70a266bd8273c2327acaa162d44933ddbc1407b8f6f7b5ab2

                                        SHA512

                                        01cd3863679c8f303d60b7c952f36b9e30d600520770784ec6d7556f83bc9e3c38201eaf6566e860be0539c3b33a7417abf0766f351cf8151784dfb2d21959b8

                                      • C:\Program Files\Windows Common Files\Commgr.exe

                                        Filesize

                                        440KB

                                        MD5

                                        09456befc94d8d0974692376f98dc8f0

                                        SHA1

                                        faa8817a2e6b99223acbd98a8dca1f205824ddd0

                                        SHA256

                                        7cfd80580b6ef8c70a266bd8273c2327acaa162d44933ddbc1407b8f6f7b5ab2

                                        SHA512

                                        01cd3863679c8f303d60b7c952f36b9e30d600520770784ec6d7556f83bc9e3c38201eaf6566e860be0539c3b33a7417abf0766f351cf8151784dfb2d21959b8

                                      • C:\Program Files\Windows Common Files\Commgr.exe

                                        Filesize

                                        440KB

                                        MD5

                                        09456befc94d8d0974692376f98dc8f0

                                        SHA1

                                        faa8817a2e6b99223acbd98a8dca1f205824ddd0

                                        SHA256

                                        7cfd80580b6ef8c70a266bd8273c2327acaa162d44933ddbc1407b8f6f7b5ab2

                                        SHA512

                                        01cd3863679c8f303d60b7c952f36b9e30d600520770784ec6d7556f83bc9e3c38201eaf6566e860be0539c3b33a7417abf0766f351cf8151784dfb2d21959b8

                                      • C:\Program Files\Windows Common Files\Commgr.exe

                                        Filesize

                                        440KB

                                        MD5

                                        09456befc94d8d0974692376f98dc8f0

                                        SHA1

                                        faa8817a2e6b99223acbd98a8dca1f205824ddd0

                                        SHA256

                                        7cfd80580b6ef8c70a266bd8273c2327acaa162d44933ddbc1407b8f6f7b5ab2

                                        SHA512

                                        01cd3863679c8f303d60b7c952f36b9e30d600520770784ec6d7556f83bc9e3c38201eaf6566e860be0539c3b33a7417abf0766f351cf8151784dfb2d21959b8

                                      • C:\Program Files\Windows Common Files\Commgr.exe

                                        Filesize

                                        440KB

                                        MD5

                                        09456befc94d8d0974692376f98dc8f0

                                        SHA1

                                        faa8817a2e6b99223acbd98a8dca1f205824ddd0

                                        SHA256

                                        7cfd80580b6ef8c70a266bd8273c2327acaa162d44933ddbc1407b8f6f7b5ab2

                                        SHA512

                                        01cd3863679c8f303d60b7c952f36b9e30d600520770784ec6d7556f83bc9e3c38201eaf6566e860be0539c3b33a7417abf0766f351cf8151784dfb2d21959b8

                                      • C:\RECYCLER\X-1-5-21-1960408961-725345543-839522115-1003\WinSysApp.exe

                                        Filesize

                                        440KB

                                        MD5

                                        09456befc94d8d0974692376f98dc8f0

                                        SHA1

                                        faa8817a2e6b99223acbd98a8dca1f205824ddd0

                                        SHA256

                                        7cfd80580b6ef8c70a266bd8273c2327acaa162d44933ddbc1407b8f6f7b5ab2

                                        SHA512

                                        01cd3863679c8f303d60b7c952f36b9e30d600520770784ec6d7556f83bc9e3c38201eaf6566e860be0539c3b33a7417abf0766f351cf8151784dfb2d21959b8

                                      • C:\RECYCLER\X-1-5-21-1960408961-725345543-839522115-1003\WinSysApp.exe

                                        Filesize

                                        440KB

                                        MD5

                                        09456befc94d8d0974692376f98dc8f0

                                        SHA1

                                        faa8817a2e6b99223acbd98a8dca1f205824ddd0

                                        SHA256

                                        7cfd80580b6ef8c70a266bd8273c2327acaa162d44933ddbc1407b8f6f7b5ab2

                                        SHA512

                                        01cd3863679c8f303d60b7c952f36b9e30d600520770784ec6d7556f83bc9e3c38201eaf6566e860be0539c3b33a7417abf0766f351cf8151784dfb2d21959b8

                                      • C:\RECYCLER\X-1-5-21-1960408961-725345543-839522115-1003\WinSysApp.exe

                                        Filesize

                                        440KB

                                        MD5

                                        09456befc94d8d0974692376f98dc8f0

                                        SHA1

                                        faa8817a2e6b99223acbd98a8dca1f205824ddd0

                                        SHA256

                                        7cfd80580b6ef8c70a266bd8273c2327acaa162d44933ddbc1407b8f6f7b5ab2

                                        SHA512

                                        01cd3863679c8f303d60b7c952f36b9e30d600520770784ec6d7556f83bc9e3c38201eaf6566e860be0539c3b33a7417abf0766f351cf8151784dfb2d21959b8

                                      • C:\RECYCLER\X-1-5-21-1960408961-725345543-839522115-1003\WinSysApp.exe

                                        Filesize

                                        440KB

                                        MD5

                                        09456befc94d8d0974692376f98dc8f0

                                        SHA1

                                        faa8817a2e6b99223acbd98a8dca1f205824ddd0

                                        SHA256

                                        7cfd80580b6ef8c70a266bd8273c2327acaa162d44933ddbc1407b8f6f7b5ab2

                                        SHA512

                                        01cd3863679c8f303d60b7c952f36b9e30d600520770784ec6d7556f83bc9e3c38201eaf6566e860be0539c3b33a7417abf0766f351cf8151784dfb2d21959b8

                                      • C:\RECYCLER\X-1-5-21-1960408961-725345543-839522115-1003\bnf0342

                                        Filesize

                                        227B

                                        MD5

                                        cf60712de332d62b1c03660b67cb76d4

                                        SHA1

                                        71f1dff6b3a7d4ab780dcae513efd3ca358a08ac

                                        SHA256

                                        6d41fbe3c0015ce183ca361e818b3ee6b20935c9ec8b23585b03ac414a38ec08

                                        SHA512

                                        2a3259bb782c4093c62d299e8a8e116cce50c77f251177a70bad6ec19f53ec6025c739b73cdb8e646dab3dcfc6a9f1bd25a16ac423b7b5462a73ecab76eca313

                                      • memory/396-166-0x0000000000400000-0x000000000045C000-memory.dmp

                                        Filesize

                                        368KB

                                      • memory/1380-148-0x0000000000400000-0x000000000045C000-memory.dmp

                                        Filesize

                                        368KB

                                      • memory/1380-174-0x0000000000400000-0x000000000045C000-memory.dmp

                                        Filesize

                                        368KB

                                      • memory/1628-165-0x0000000000400000-0x000000000045C000-memory.dmp

                                        Filesize

                                        368KB

                                      • memory/2208-164-0x0000000000400000-0x000000000045C000-memory.dmp

                                        Filesize

                                        368KB

                                      • memory/2524-171-0x0000000000400000-0x000000000045C000-memory.dmp

                                        Filesize

                                        368KB

                                      • memory/2524-168-0x0000000000400000-0x000000000045C000-memory.dmp

                                        Filesize

                                        368KB

                                      • memory/2692-167-0x0000000000400000-0x000000000045C000-memory.dmp

                                        Filesize

                                        368KB

                                      • memory/3496-154-0x0000000000400000-0x000000000045C000-memory.dmp

                                        Filesize

                                        368KB

                                      • memory/3496-169-0x0000000000400000-0x000000000045C000-memory.dmp

                                        Filesize

                                        368KB

                                      • memory/3536-132-0x0000000000400000-0x000000000045C000-memory.dmp

                                        Filesize

                                        368KB

                                      • memory/3536-134-0x00000000021E0000-0x000000000326E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/3536-172-0x00000000021E0000-0x000000000326E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/3536-173-0x0000000000400000-0x000000000045C000-memory.dmp

                                        Filesize

                                        368KB

                                      • memory/3536-133-0x00000000021E0000-0x000000000326E000-memory.dmp

                                        Filesize

                                        16.6MB

                                      • memory/4240-150-0x0000000000400000-0x000000000045C000-memory.dmp

                                        Filesize

                                        368KB

                                      • memory/4240-176-0x0000000000400000-0x000000000045C000-memory.dmp

                                        Filesize

                                        368KB

                                      • memory/4268-147-0x0000000000400000-0x000000000045C000-memory.dmp

                                        Filesize

                                        368KB

                                      • memory/5108-149-0x0000000000400000-0x000000000045C000-memory.dmp

                                        Filesize

                                        368KB

                                      • memory/5108-175-0x0000000000400000-0x000000000045C000-memory.dmp

                                        Filesize

                                        368KB