General
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Target
Rust AntiCheat.exe
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Size
1.1MB
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Sample
240907-sz53cssgmg
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MD5
9b044bfee63da32d66539cd56741e2d7
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SHA1
22b313baac54ea88cb581347d7226073033cb64c
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SHA256
3acef42e6894019c44addea96a3ef2048b7b0f902b805c2e8d093db549091297
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SHA512
f0cf4ef7516a7227a92ad9e098661f2683e07418cce2473851eaa6deb3c1db4859d9ce50f1615288e28c668b69fefb9ba1c2069dc2fe84c54a97616cf7ba7876
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SSDEEP
24576:7cM0t9RyT52bxGzz9qshXGFh9jvTXZbX5y4h1ptssmnt:ArRyT529KXgh9btbXJbGsmt
Static task
static1
Behavioral task
behavioral1
Sample
Rust AntiCheat.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Rust AntiCheat.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
Rust AntiCheat.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral4
Sample
Rust AntiCheat.exe
Resource
win11-20240802-en
Malware Config
Extracted
xworm
expected-schema.gl.at.ply.gg:2980
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Install_directory
%LocalAppData%
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install_file
USB.exe
Extracted
umbral
https://ptb.discord.com/api/webhooks/1271826116721639445/0LTa3NkwRKKJuRNql7cAkLRG6HVFF6qerOeff_MVz-9g28SPb06nhaG45QDZdp1IGvu2
Targets
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Target
Rust AntiCheat.exe
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Size
1.1MB
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MD5
9b044bfee63da32d66539cd56741e2d7
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SHA1
22b313baac54ea88cb581347d7226073033cb64c
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SHA256
3acef42e6894019c44addea96a3ef2048b7b0f902b805c2e8d093db549091297
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SHA512
f0cf4ef7516a7227a92ad9e098661f2683e07418cce2473851eaa6deb3c1db4859d9ce50f1615288e28c668b69fefb9ba1c2069dc2fe84c54a97616cf7ba7876
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SSDEEP
24576:7cM0t9RyT52bxGzz9qshXGFh9jvTXZbX5y4h1ptssmnt:ArRyT529KXgh9btbXJbGsmt
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Detect Umbral payload
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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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Drops file in Drivers directory
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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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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
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1