Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2023 21:38

General

  • Target

    SlayerRAT v0.7.2 By X-Slayer/SlayerRAT v 0.7.2x.exe

  • Size

    9.8MB

  • MD5

    b214730ed4335d0311311760b13b449b

  • SHA1

    f09083acc3e33e383ddd4c22f3d765143840de01

  • SHA256

    f190342610f6f690d6c8fe5cd75fa60a3129a2aa55c42c47d016aa068dbd0427

  • SHA512

    e68120b78b849794bd952fb24e9b9f7248523a9580977420fd707b45610de73bb51ed7fa09eb4441087e7926c06ff0f588c3d030a190529b2bc0548fb64d80a9

  • SSDEEP

    196608:vJWQV/GQDd3JjPOVXRzPHGMy4AcV7jWlJeQJf/p/oLJlJQ+N:BWQVr5uX5PHGMV7kJfMJlPN

Score
10/10

Malware Config

Signatures

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 18 IoCs
  • Modifies Windows Firewall 1 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 6 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\SlayerRAT v0.7.2 By X-Slayer\SlayerRAT v 0.7.2x.exe
    "C:\Users\Admin\AppData\Local\Temp\SlayerRAT v0.7.2 By X-Slayer\SlayerRAT v 0.7.2x.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5040
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c schtasks /End /TN "Microsoft\Windows\MUI\WindowsUpdate" & schtasks /End /TN "WindowsUpdate" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4932
      • C:\Windows\system32\schtasks.exe
        schtasks /End /TN "Microsoft\Windows\MUI\WindowsUpdate"
        3⤵
          PID:1584
        • C:\Windows\system32\schtasks.exe
          schtasks /End /TN "WindowsUpdate"
          3⤵
            PID:1304
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c schtasks /Delete /TN "WindowsUpdate" /F & exit
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4432
          • C:\Windows\system32\schtasks.exe
            schtasks /Delete /TN "WindowsUpdate" /F
            3⤵
              PID:3080
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c netsh advfirewall firewall add rule name="System" dir=out action=allow program="%windir%\SysWOW64\TiWorker.exe" enable=yes & exit
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:640
            • C:\Windows\system32\netsh.exe
              netsh advfirewall firewall add rule name="System" dir=out action=allow program="C:\Windows\SysWOW64\TiWorker.exe" enable=yes
              3⤵
              • Modifies Windows Firewall
              PID:1696
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c netsh advfirewall firewall add rule name="System" dir=in action=allow program="%windir%\SysWOW64\TiWorker.exe" enable=yes & exit
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3356
            • C:\Windows\system32\netsh.exe
              netsh advfirewall firewall add rule name="System" dir=in action=allow program="C:\Windows\SysWOW64\TiWorker.exe" enable=yes
              3⤵
              • Modifies Windows Firewall
              PID:1876
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c schtasks /Create /XML "%windir%\SysWOW64\MicrosoftWindows.xml" /TN "Microsoft\Windows\MUI\WindowsUpdate" /F & exit
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2260
            • C:\Windows\system32\schtasks.exe
              schtasks /Create /XML "C:\Windows\SysWOW64\MicrosoftWindows.xml" /TN "Microsoft\Windows\MUI\WindowsUpdate" /F
              3⤵
              • Creates scheduled task(s)
              PID:4572
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c schtasks /Change /TN "Microsoft\Windows\MUI\WindowsUpdate" /TR "%windir%\SysWOW64\TiWorker.exe" & schtasks /Run /TN "Microsoft\Windows\MUI\WindowsUpdate" & exit
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2804
            • C:\Windows\system32\schtasks.exe
              schtasks /Change /TN "Microsoft\Windows\MUI\WindowsUpdate" /TR "C:\Windows\SysWOW64\TiWorker.exe"
              3⤵
                PID:1480
              • C:\Windows\system32\schtasks.exe
                schtasks /Run /TN "Microsoft\Windows\MUI\WindowsUpdate"
                3⤵
                  PID:3900
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c certutil –addstore –f root MicrosoftWindows.crt & exit
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:2004
                • C:\Windows\system32\certutil.exe
                  certutil –addstore –f root MicrosoftWindows.crt
                  3⤵
                    PID:3740
                • C:\Users\Admin\AppData\Local\Temp\SlayerRAT v0.7.2 By X-Slayer\SlayerRAT v 0.7.2.exe
                  "C:\Users\Admin\AppData\Local\Temp\SlayerRAT v0.7.2 By X-Slayer\SlayerRAT v 0.7.2.exe"
                  2⤵
                  • Executes dropped EXE
                  • Suspicious behavior: GetForegroundWindowSpam
                  • Suspicious use of FindShellTrayWindow
                  • Suspicious use of SendNotifyMessage
                  PID:1028
              • C:\Windows\SysWOW64\TiWorker.exe
                C:\Windows\SysWOW64\TiWorker.exe
                1⤵
                • Executes dropped EXE
                • Suspicious use of AdjustPrivilegeToken
                PID:3176

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\MicrosoftWindows.crt
                Filesize

                1KB

                MD5

                1bb617d3aab1dbe2ec2e4a90bf824846

                SHA1

                bbe179f1bdc4466661da3638420e6ca862bd50ca

                SHA256

                1bf4ce2aedc0cfb1365ab15c7e0c8c26b87890ad4008d56317b756b8745ff580

                SHA512

                ed91750bec3aed806088c271e295550dac1c8cae91569f278d40fbd671b486e70cc9b28f7a9a70e9f340fbe8a038f1ed18f666de4246fc1d60e015e0dd3f1c52

              • C:\Users\Admin\AppData\Local\Temp\MicrosoftWindows.crt
                Filesize

                1KB

                MD5

                1bb617d3aab1dbe2ec2e4a90bf824846

                SHA1

                bbe179f1bdc4466661da3638420e6ca862bd50ca

                SHA256

                1bf4ce2aedc0cfb1365ab15c7e0c8c26b87890ad4008d56317b756b8745ff580

                SHA512

                ed91750bec3aed806088c271e295550dac1c8cae91569f278d40fbd671b486e70cc9b28f7a9a70e9f340fbe8a038f1ed18f666de4246fc1d60e015e0dd3f1c52

              • C:\Users\Admin\AppData\Local\Temp\SlayerRAT v0.7.2 By X-Slayer\SlayerRAT v 0.7.2.exe
                Filesize

                7.7MB

                MD5

                7be1dc880dedcc5603b689f5e25b9793

                SHA1

                5a1a911d008b2890ffd12af8d4d54c0406664ff0

                SHA256

                caadddddf63205db589f52d153f1abb0cb41c204115f0a8e7a1fcaf8530ffb0f

                SHA512

                3b7fce8f7e21c9d953f946da9c774d233ed6455e3609114d4974c3c0695bb2290ce6dbfda5ea5c64d1756177e750968f1db9a1ac8fe1fb507ea282d0d503a0ea

              • C:\Users\Admin\AppData\Local\Temp\SlayerRAT v0.7.2 By X-Slayer\SlayerRAT v 0.7.2.exe
                Filesize

                7.7MB

                MD5

                7be1dc880dedcc5603b689f5e25b9793

                SHA1

                5a1a911d008b2890ffd12af8d4d54c0406664ff0

                SHA256

                caadddddf63205db589f52d153f1abb0cb41c204115f0a8e7a1fcaf8530ffb0f

                SHA512

                3b7fce8f7e21c9d953f946da9c774d233ed6455e3609114d4974c3c0695bb2290ce6dbfda5ea5c64d1756177e750968f1db9a1ac8fe1fb507ea282d0d503a0ea

              • C:\Users\Admin\AppData\Local\Temp\aut8215.tmp
                Filesize

                3.2MB

                MD5

                ecede3c32ce83ff76ae584c938512c5a

                SHA1

                090b15025e131cc03098f6f0d8fa5366bc5fa1f0

                SHA256

                366f1e9f9c99aa81034bada3cc344f2fb5a74246e1d5851441244df1ecc9ae6d

                SHA512

                61ca6075c8a2086d42b58698484afc0005645507474831cacafc10126f47c8f0cda10c1c215557f9391865b55b16ae881a593d7547cbad560b54369684b23d1d

              • C:\Windows\SysWOW64\MicrosoftWindows.xml
                Filesize

                4KB

                MD5

                b1cbfcc7b7a5716a30b77f5dc5bb6135

                SHA1

                5c397ffd7a845b2fdf9e82ff73698784a91a2fb9

                SHA256

                96f2ff4ddcadf6421071daa6cdda2ce866fb7b10d12cc1b20bd07cb131210430

                SHA512

                d08516e7610e5a08d1c5c2d1cc5a22b1cd2d6b7c890f895caee0cf65577a1315d575d91a8f7f78ffc7bd0dd77b23ece46fadf58ba44257a115330a54a3ebfcf7

              • C:\Windows\SysWOW64\TiWorker.exe
                Filesize

                3.2MB

                MD5

                ecede3c32ce83ff76ae584c938512c5a

                SHA1

                090b15025e131cc03098f6f0d8fa5366bc5fa1f0

                SHA256

                366f1e9f9c99aa81034bada3cc344f2fb5a74246e1d5851441244df1ecc9ae6d

                SHA512

                61ca6075c8a2086d42b58698484afc0005645507474831cacafc10126f47c8f0cda10c1c215557f9391865b55b16ae881a593d7547cbad560b54369684b23d1d

              • C:\Windows\SysWOW64\config.json
                Filesize

                1011B

                MD5

                3da156f2d3307118a8e2c569be30bc87

                SHA1

                335678ca235af3736677bd8039e25a6c1ee5efca

                SHA256

                f86ab68eaddd22fbe679ea5ab9cc54775e74081beffd758b30776ba103f396eb

                SHA512

                59748e02cc4b7f280471b411d6ca3c9986f4c12f84b039bae25269634fc825cde417fe46246f58538668c19cca91e698e31d9f32df69aad89e68423f86bb00c0

              • \??\c:\windows\syswow64\tiworker.exe
                Filesize

                3.2MB

                MD5

                ecede3c32ce83ff76ae584c938512c5a

                SHA1

                090b15025e131cc03098f6f0d8fa5366bc5fa1f0

                SHA256

                366f1e9f9c99aa81034bada3cc344f2fb5a74246e1d5851441244df1ecc9ae6d

                SHA512

                61ca6075c8a2086d42b58698484afc0005645507474831cacafc10126f47c8f0cda10c1c215557f9391865b55b16ae881a593d7547cbad560b54369684b23d1d

              • memory/1028-193-0x0000000001B20000-0x0000000001B30000-memory.dmp
                Filesize

                64KB

              • memory/1028-194-0x0000000001B20000-0x0000000001B30000-memory.dmp
                Filesize

                64KB

              • memory/1028-202-0x0000000001CC0000-0x0000000001DC0000-memory.dmp
                Filesize

                1024KB

              • memory/1028-200-0x0000000001CC0000-0x0000000001DC0000-memory.dmp
                Filesize

                1024KB

              • memory/1028-196-0x0000000001B20000-0x0000000001B30000-memory.dmp
                Filesize

                64KB

              • memory/1028-191-0x0000000001B20000-0x0000000001B30000-memory.dmp
                Filesize

                64KB

              • memory/1028-190-0x0000000001B20000-0x0000000001B30000-memory.dmp
                Filesize

                64KB

              • memory/1028-176-0x0000000001B20000-0x0000000001B30000-memory.dmp
                Filesize

                64KB

              • memory/1028-177-0x0000000001B20000-0x0000000001B30000-memory.dmp
                Filesize

                64KB

              • memory/1028-178-0x0000000001B20000-0x0000000001B30000-memory.dmp
                Filesize

                64KB

              • memory/1028-188-0x0000000001B20000-0x0000000001B30000-memory.dmp
                Filesize

                64KB

              • memory/1028-187-0x0000000001B20000-0x0000000001B30000-memory.dmp
                Filesize

                64KB

              • memory/1028-181-0x0000000001B20000-0x0000000001B30000-memory.dmp
                Filesize

                64KB

              • memory/1028-182-0x0000000001B20000-0x0000000001B30000-memory.dmp
                Filesize

                64KB

              • memory/1028-183-0x0000000001B20000-0x0000000001B30000-memory.dmp
                Filesize

                64KB

              • memory/1028-184-0x0000000001B20000-0x0000000001B30000-memory.dmp
                Filesize

                64KB

              • memory/1028-185-0x0000000001B20000-0x0000000001B30000-memory.dmp
                Filesize

                64KB

              • memory/3176-164-0x0000000000400000-0x0000000000DCB000-memory.dmp
                Filesize

                9.8MB

              • memory/3176-204-0x0000000000400000-0x0000000000DCB000-memory.dmp
                Filesize

                9.8MB

              • memory/3176-186-0x0000000000400000-0x0000000000DCB000-memory.dmp
                Filesize

                9.8MB

              • memory/3176-189-0x0000000000400000-0x0000000000DCB000-memory.dmp
                Filesize

                9.8MB

              • memory/3176-160-0x0000000000400000-0x0000000000DCB000-memory.dmp
                Filesize

                9.8MB

              • memory/3176-161-0x0000000000400000-0x0000000000DCB000-memory.dmp
                Filesize

                9.8MB

              • memory/3176-192-0x0000000000400000-0x0000000000DCB000-memory.dmp
                Filesize

                9.8MB

              • memory/3176-158-0x0000000000400000-0x0000000000DCB000-memory.dmp
                Filesize

                9.8MB

              • memory/3176-179-0x0000000000400000-0x0000000000DCB000-memory.dmp
                Filesize

                9.8MB

              • memory/3176-180-0x0000000000400000-0x0000000000DCB000-memory.dmp
                Filesize

                9.8MB

              • memory/3176-197-0x0000000000400000-0x0000000000DCB000-memory.dmp
                Filesize

                9.8MB

              • memory/3176-162-0x0000000000400000-0x0000000000DCB000-memory.dmp
                Filesize

                9.8MB

              • memory/3176-198-0x0000000000400000-0x0000000000DCB000-memory.dmp
                Filesize

                9.8MB

              • memory/3176-199-0x0000000000400000-0x0000000000DCB000-memory.dmp
                Filesize

                9.8MB

              • memory/3176-166-0x0000000000400000-0x0000000000DCB000-memory.dmp
                Filesize

                9.8MB

              • memory/3176-201-0x0000000000400000-0x0000000000DCB000-memory.dmp
                Filesize

                9.8MB

              • memory/3176-165-0x0000000000400000-0x0000000000DCB000-memory.dmp
                Filesize

                9.8MB

              • memory/3176-203-0x0000000000400000-0x0000000000DCB000-memory.dmp
                Filesize

                9.8MB

              • memory/3176-195-0x0000000000400000-0x0000000000DCB000-memory.dmp
                Filesize

                9.8MB