General
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Target
Bootstrapper.exe
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Size
391KB
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Sample
240827-wck1fsvbmp
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MD5
bdd5d27003b233535879ec0f2573332d
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SHA1
3ccfe1d152315f62b8b103e1876f554af55f272f
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SHA256
3499997283c0c1dd38ffcfdc2303c5c7ddfa4e946c51725b3b754f53780519ed
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SHA512
d75a07bed98d1181cdb522cb1d20bacde81d3db7b3825edd1a2aa4c02a88bb61c4501c8d48d4d7a3a84f3ea318f7efb95636bf716bed321fba3dd3b34f80e706
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SSDEEP
12288:ZKMLC9Cdzw50KaA07u06ZMLzq2XNHJUX:MFCdzyFf0R6ZMxNHJM
Static task
static1
Behavioral task
behavioral1
Sample
Bootstrapper.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
xworm
127.0.0.1:19121
goods-flex.gl.at.ply.gg:19121
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Install_directory
%Public%
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install_file
calc.exe
Extracted
phemedrone
https://api.telegram.org/bot6766891578:AAE47sIyviQ0_skRFQtvxeYcndg1C8RFyo4/sendDocument
Targets
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-
Target
Bootstrapper.exe
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Size
391KB
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MD5
bdd5d27003b233535879ec0f2573332d
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SHA1
3ccfe1d152315f62b8b103e1876f554af55f272f
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SHA256
3499997283c0c1dd38ffcfdc2303c5c7ddfa4e946c51725b3b754f53780519ed
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SHA512
d75a07bed98d1181cdb522cb1d20bacde81d3db7b3825edd1a2aa4c02a88bb61c4501c8d48d4d7a3a84f3ea318f7efb95636bf716bed321fba3dd3b34f80e706
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SSDEEP
12288:ZKMLC9Cdzw50KaA07u06ZMLzq2XNHJUX:MFCdzyFf0R6ZMxNHJM
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Detect Xworm Payload
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Credentials from Password Stores: Credentials from Web Browsers
Malicious Access or copy of Web Browser Credential store.
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Executes dropped EXE
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Unsecured Credentials: Credentials In Files
Steal credentials from unsecured files.
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Adds Run key to start application
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1