Analysis

  • max time kernel
    188s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 21:06

General

  • Target

    file.exe

  • Size

    7.3MB

  • MD5

    2d3ad18f288af345af2fb0c319b3b3f5

  • SHA1

    1e9d7ccc74e26b99403e494eafd4a0a8dae516fd

  • SHA256

    eb00ed9a3114cd089951b8eee0074c32f9e755428ac7d24aa093b9194465bf46

  • SHA512

    1155c2bc81462c0b67bae8bc95369240411a217168445db662cb445cb7a9bd30d86f7bf0ecf040f7729f98cd41fbcb65c761c12cbbe5c54e2abbdbf6e6a838fe

  • SSDEEP

    196608:91OKn156tz5ZmHtScKM0vwTcE2X2q2CsthMfnq:3OQkl4+vwwEtftLB

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.

  • Loads dropped DLL 8 IoCs
  • Drops file in System32 directory 4 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 3 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1716
    • C:\Users\Admin\AppData\Local\Temp\7zSBBE1.tmp\Install.exe
      .\Install.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1932
      • C:\Users\Admin\AppData\Local\Temp\7zSC2C4.tmp\Install.exe
        .\Install.exe /S /site_id "525403"
        3⤵
        • Executes dropped EXE
        • Checks BIOS information in registry
        • Loads dropped DLL
        • Drops file in System32 directory
        • Enumerates system info in registry
        • Suspicious use of WriteProcessMemory
        PID:684
        • 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:1924
          • 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:1100
            • \??\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:852
              • \??\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:1736
            • 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:1780
              • 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:1864
                • \??\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:840
                  • \??\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:1980
                • C:\Windows\SysWOW64\schtasks.exe
                  schtasks /CREATE /TN "gRDnBsOgK" /SC once /ST 09:18:29 /F /RU "Admin" /TR "powershell -WindowStyle Hidden -EncodedCommand cwB0AGEAcgB0AC0AcAByAG8AYwBlAHMAcwAgAC0AVwBpAG4AZABvAHcAUwB0AHkAbABlACAASABpAGQAZABlAG4AIABnAHAAdQBwAGQAYQB0AGUALgBlAHgAZQAgAC8AZgBvAHIAYwBlAA=="
                  4⤵
                  • Creates scheduled task(s)
                  PID:1680
                • C:\Windows\SysWOW64\schtasks.exe
                  schtasks /run /I /tn "gRDnBsOgK"
                  4⤵
                    PID:988
                  • C:\Windows\SysWOW64\schtasks.exe
                    schtasks /DELETE /F /TN "gRDnBsOgK"
                    4⤵
                      PID:568
                    • C:\Windows\SysWOW64\schtasks.exe
                      schtasks /CREATE /TN "bgXzKyzKqQlJYhwcUn" /SC once /ST 22:10:00 /RU "SYSTEM" /TR "\"C:\Users\Admin\AppData\Local\Temp\ATaWoTwmuQXaDzxNA\BXblJsnkYCqsjju\NeGgsRT.exe\" P7 /site_id 525403 /S" /V1 /F
                      4⤵
                      • Drops file in Windows directory
                      • Creates scheduled task(s)
                      PID:624
              • C:\Windows\system32\taskeng.exe
                taskeng.exe {3BC3E909-3567-4FB3-8320-C68BE357E402} S-1-5-21-3406023954-474543476-3319432036-1000:VUIIVLGQ\Admin:Interactive:[1]
                1⤵
                  PID:1480
                  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE
                    C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE -WindowStyle Hidden -EncodedCommand cwB0AGEAcgB0AC0AcAByAG8AYwBlAHMAcwAgAC0AVwBpAG4AZABvAHcAUwB0AHkAbABlACAASABpAGQAZABlAG4AIABnAHAAdQBwAGQAYQB0AGUALgBlAHgAZQAgAC8AZgBvAHIAYwBlAA==
                    2⤵
                    • Drops file in System32 directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1428
                    • C:\Windows\system32\gpupdate.exe
                      "C:\Windows\system32\gpupdate.exe" /force
                      3⤵
                        PID:1568
                  • C:\Windows\system32\gpscript.exe
                    gpscript.exe /RefreshSystemParam
                    1⤵
                      PID:792
                    • C:\Windows\system32\taskeng.exe
                      taskeng.exe {D0DA633A-1220-4B3B-845E-23AF65630AFE} S-1-5-18:NT AUTHORITY\System:Service:
                      1⤵
                        PID:1912
                        • C:\Users\Admin\AppData\Local\Temp\ATaWoTwmuQXaDzxNA\BXblJsnkYCqsjju\NeGgsRT.exe
                          C:\Users\Admin\AppData\Local\Temp\ATaWoTwmuQXaDzxNA\BXblJsnkYCqsjju\NeGgsRT.exe P7 /site_id 525403 /S
                          2⤵
                          • Executes dropped EXE
                          • Drops file in System32 directory
                          PID:1284
                          • C:\Windows\SysWOW64\schtasks.exe
                            schtasks /CREATE /TN "gFmnTBbFL" /SC once /ST 02:27:58 /F /RU "Admin" /TR "powershell -WindowStyle Hidden -EncodedCommand cwB0AGEAcgB0AC0AcAByAG8AYwBlAHMAcwAgAC0AVwBpAG4AZABvAHcAUwB0AHkAbABlACAASABpAGQAZABlAG4AIABnAHAAdQBwAGQAYQB0AGUALgBlAHgAZQAgAC8AZgBvAHIAYwBlAA=="
                            3⤵
                            • Creates scheduled task(s)
                            PID:1744

                      Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\Temp\7zSBBE1.tmp\Install.exe

                        Filesize

                        6.3MB

                        MD5

                        f765fe315ff7e418de1d30e29b3676a0

                        SHA1

                        3ec14d798571b5b491e8789e9a8533bbe2181722

                        SHA256

                        5aba13c3e75170dcb1e42488a66c0d0d97ebf1e229f1e5c607cc629c82ba0e91

                        SHA512

                        3d0f3f5635605455ae43b6e294b4191a6b2e822e6597d53da76eb25e5b05a4ef7d64685706cfee171c3b7446ac5a487a0a98fd64d1e4f5917df93f79200c93b5

                      • C:\Users\Admin\AppData\Local\Temp\7zSBBE1.tmp\Install.exe

                        Filesize

                        6.3MB

                        MD5

                        f765fe315ff7e418de1d30e29b3676a0

                        SHA1

                        3ec14d798571b5b491e8789e9a8533bbe2181722

                        SHA256

                        5aba13c3e75170dcb1e42488a66c0d0d97ebf1e229f1e5c607cc629c82ba0e91

                        SHA512

                        3d0f3f5635605455ae43b6e294b4191a6b2e822e6597d53da76eb25e5b05a4ef7d64685706cfee171c3b7446ac5a487a0a98fd64d1e4f5917df93f79200c93b5

                      • C:\Users\Admin\AppData\Local\Temp\7zSC2C4.tmp\Install.exe

                        Filesize

                        6.8MB

                        MD5

                        9a9175dcd59ac6395582793f28a48aca

                        SHA1

                        0683dc4f5ce17435bc0430b32ce1c2931d0a37bb

                        SHA256

                        1b80c69504b97f7af75e7bf9c382653c83d8bb428c0f216d733b594750132c70

                        SHA512

                        6d21f4be9adc54111ed3abe16305b4fae36cbc5b5157a3e92920e3d250a44ccb0af78b20d33169e67e574d37881a483a927c31cc47ee5bb744d28db05f275bd2

                      • C:\Users\Admin\AppData\Local\Temp\7zSC2C4.tmp\Install.exe

                        Filesize

                        6.8MB

                        MD5

                        9a9175dcd59ac6395582793f28a48aca

                        SHA1

                        0683dc4f5ce17435bc0430b32ce1c2931d0a37bb

                        SHA256

                        1b80c69504b97f7af75e7bf9c382653c83d8bb428c0f216d733b594750132c70

                        SHA512

                        6d21f4be9adc54111ed3abe16305b4fae36cbc5b5157a3e92920e3d250a44ccb0af78b20d33169e67e574d37881a483a927c31cc47ee5bb744d28db05f275bd2

                      • C:\Users\Admin\AppData\Local\Temp\ATaWoTwmuQXaDzxNA\BXblJsnkYCqsjju\NeGgsRT.exe

                        Filesize

                        6.8MB

                        MD5

                        9a9175dcd59ac6395582793f28a48aca

                        SHA1

                        0683dc4f5ce17435bc0430b32ce1c2931d0a37bb

                        SHA256

                        1b80c69504b97f7af75e7bf9c382653c83d8bb428c0f216d733b594750132c70

                        SHA512

                        6d21f4be9adc54111ed3abe16305b4fae36cbc5b5157a3e92920e3d250a44ccb0af78b20d33169e67e574d37881a483a927c31cc47ee5bb744d28db05f275bd2

                      • C:\Users\Admin\AppData\Local\Temp\ATaWoTwmuQXaDzxNA\BXblJsnkYCqsjju\NeGgsRT.exe

                        Filesize

                        6.8MB

                        MD5

                        9a9175dcd59ac6395582793f28a48aca

                        SHA1

                        0683dc4f5ce17435bc0430b32ce1c2931d0a37bb

                        SHA256

                        1b80c69504b97f7af75e7bf9c382653c83d8bb428c0f216d733b594750132c70

                        SHA512

                        6d21f4be9adc54111ed3abe16305b4fae36cbc5b5157a3e92920e3d250a44ccb0af78b20d33169e67e574d37881a483a927c31cc47ee5bb744d28db05f275bd2

                      • C:\Windows\system32\GroupPolicy\gpt.ini

                        Filesize

                        268B

                        MD5

                        a62ce44a33f1c05fc2d340ea0ca118a4

                        SHA1

                        1f03eb4716015528f3de7f7674532c1345b2717d

                        SHA256

                        9f2cd4acf23d565bc8498c989fccccf59fd207ef8925111dc63e78649735404a

                        SHA512

                        9d9a4da2df0550afdb7b80be22c6f4ef7da5a52cc2bb4831b8ff6f30f0ee9eac8960f61cdd7cfe0b1b6534a0f9e738f7eb8ea3839d2d92abeb81660de76e7732

                      • \Users\Admin\AppData\Local\Temp\7zSBBE1.tmp\Install.exe

                        Filesize

                        6.3MB

                        MD5

                        f765fe315ff7e418de1d30e29b3676a0

                        SHA1

                        3ec14d798571b5b491e8789e9a8533bbe2181722

                        SHA256

                        5aba13c3e75170dcb1e42488a66c0d0d97ebf1e229f1e5c607cc629c82ba0e91

                        SHA512

                        3d0f3f5635605455ae43b6e294b4191a6b2e822e6597d53da76eb25e5b05a4ef7d64685706cfee171c3b7446ac5a487a0a98fd64d1e4f5917df93f79200c93b5

                      • \Users\Admin\AppData\Local\Temp\7zSBBE1.tmp\Install.exe

                        Filesize

                        6.3MB

                        MD5

                        f765fe315ff7e418de1d30e29b3676a0

                        SHA1

                        3ec14d798571b5b491e8789e9a8533bbe2181722

                        SHA256

                        5aba13c3e75170dcb1e42488a66c0d0d97ebf1e229f1e5c607cc629c82ba0e91

                        SHA512

                        3d0f3f5635605455ae43b6e294b4191a6b2e822e6597d53da76eb25e5b05a4ef7d64685706cfee171c3b7446ac5a487a0a98fd64d1e4f5917df93f79200c93b5

                      • \Users\Admin\AppData\Local\Temp\7zSBBE1.tmp\Install.exe

                        Filesize

                        6.3MB

                        MD5

                        f765fe315ff7e418de1d30e29b3676a0

                        SHA1

                        3ec14d798571b5b491e8789e9a8533bbe2181722

                        SHA256

                        5aba13c3e75170dcb1e42488a66c0d0d97ebf1e229f1e5c607cc629c82ba0e91

                        SHA512

                        3d0f3f5635605455ae43b6e294b4191a6b2e822e6597d53da76eb25e5b05a4ef7d64685706cfee171c3b7446ac5a487a0a98fd64d1e4f5917df93f79200c93b5

                      • \Users\Admin\AppData\Local\Temp\7zSBBE1.tmp\Install.exe

                        Filesize

                        6.3MB

                        MD5

                        f765fe315ff7e418de1d30e29b3676a0

                        SHA1

                        3ec14d798571b5b491e8789e9a8533bbe2181722

                        SHA256

                        5aba13c3e75170dcb1e42488a66c0d0d97ebf1e229f1e5c607cc629c82ba0e91

                        SHA512

                        3d0f3f5635605455ae43b6e294b4191a6b2e822e6597d53da76eb25e5b05a4ef7d64685706cfee171c3b7446ac5a487a0a98fd64d1e4f5917df93f79200c93b5

                      • \Users\Admin\AppData\Local\Temp\7zSC2C4.tmp\Install.exe

                        Filesize

                        6.8MB

                        MD5

                        9a9175dcd59ac6395582793f28a48aca

                        SHA1

                        0683dc4f5ce17435bc0430b32ce1c2931d0a37bb

                        SHA256

                        1b80c69504b97f7af75e7bf9c382653c83d8bb428c0f216d733b594750132c70

                        SHA512

                        6d21f4be9adc54111ed3abe16305b4fae36cbc5b5157a3e92920e3d250a44ccb0af78b20d33169e67e574d37881a483a927c31cc47ee5bb744d28db05f275bd2

                      • \Users\Admin\AppData\Local\Temp\7zSC2C4.tmp\Install.exe

                        Filesize

                        6.8MB

                        MD5

                        9a9175dcd59ac6395582793f28a48aca

                        SHA1

                        0683dc4f5ce17435bc0430b32ce1c2931d0a37bb

                        SHA256

                        1b80c69504b97f7af75e7bf9c382653c83d8bb428c0f216d733b594750132c70

                        SHA512

                        6d21f4be9adc54111ed3abe16305b4fae36cbc5b5157a3e92920e3d250a44ccb0af78b20d33169e67e574d37881a483a927c31cc47ee5bb744d28db05f275bd2

                      • \Users\Admin\AppData\Local\Temp\7zSC2C4.tmp\Install.exe

                        Filesize

                        6.8MB

                        MD5

                        9a9175dcd59ac6395582793f28a48aca

                        SHA1

                        0683dc4f5ce17435bc0430b32ce1c2931d0a37bb

                        SHA256

                        1b80c69504b97f7af75e7bf9c382653c83d8bb428c0f216d733b594750132c70

                        SHA512

                        6d21f4be9adc54111ed3abe16305b4fae36cbc5b5157a3e92920e3d250a44ccb0af78b20d33169e67e574d37881a483a927c31cc47ee5bb744d28db05f275bd2

                      • \Users\Admin\AppData\Local\Temp\7zSC2C4.tmp\Install.exe

                        Filesize

                        6.8MB

                        MD5

                        9a9175dcd59ac6395582793f28a48aca

                        SHA1

                        0683dc4f5ce17435bc0430b32ce1c2931d0a37bb

                        SHA256

                        1b80c69504b97f7af75e7bf9c382653c83d8bb428c0f216d733b594750132c70

                        SHA512

                        6d21f4be9adc54111ed3abe16305b4fae36cbc5b5157a3e92920e3d250a44ccb0af78b20d33169e67e574d37881a483a927c31cc47ee5bb744d28db05f275bd2

                      • memory/568-101-0x0000000000000000-mapping.dmp

                      • memory/624-103-0x0000000000000000-mapping.dmp

                      • memory/684-64-0x0000000000000000-mapping.dmp

                      • memory/684-71-0x0000000010000000-0x0000000011C99000-memory.dmp

                        Filesize

                        28.6MB

                      • memory/840-83-0x0000000000000000-mapping.dmp

                      • memory/852-82-0x0000000000000000-mapping.dmp

                      • memory/988-92-0x0000000000000000-mapping.dmp

                      • memory/1100-78-0x0000000000000000-mapping.dmp

                      • memory/1284-106-0x0000000000000000-mapping.dmp

                      • memory/1428-98-0x0000000002420000-0x00000000024A0000-memory.dmp

                        Filesize

                        512KB

                      • memory/1428-99-0x0000000002420000-0x00000000024A0000-memory.dmp

                        Filesize

                        512KB

                      • memory/1428-94-0x0000000000000000-mapping.dmp

                      • memory/1428-95-0x000007FEFB941000-0x000007FEFB943000-memory.dmp

                        Filesize

                        8KB

                      • memory/1428-96-0x000007FEF3600000-0x000007FEF4023000-memory.dmp

                        Filesize

                        10.1MB

                      • memory/1428-97-0x000007FEF2AA0000-0x000007FEF35FD000-memory.dmp

                        Filesize

                        11.4MB

                      • memory/1568-100-0x0000000000000000-mapping.dmp

                      • memory/1680-90-0x0000000000000000-mapping.dmp

                      • memory/1716-54-0x00000000757E1000-0x00000000757E3000-memory.dmp

                        Filesize

                        8KB

                      • memory/1736-87-0x0000000000000000-mapping.dmp

                      • memory/1744-113-0x0000000000000000-mapping.dmp

                      • memory/1780-76-0x0000000000000000-mapping.dmp

                      • memory/1864-80-0x0000000000000000-mapping.dmp

                      • memory/1924-74-0x0000000000000000-mapping.dmp

                      • memory/1932-56-0x0000000000000000-mapping.dmp

                      • memory/1980-86-0x0000000000000000-mapping.dmp