General
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Target
OTEYZ_Loader.bat
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Size
1KB
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Sample
241125-pg5gbsspaq
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MD5
f3f83ae17a3f81e0265b9ce7e480bd4e
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SHA1
994d8d5b533fd09630b45a0d0404f65557e83d5d
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SHA256
412476007cd57ca529c83c386125249fbe0952a2522f5d838ffd3fb10a6e1f74
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SHA512
cc0480e5cf4b8d6ca9318f806587bf121dc8feb553263e4756b43b568cf38d93ce94a467e87878f299d3fdabc66e178c8dafa96e3e5fda51bbfd7a6b4220bf39
Static task
static1
Behavioral task
behavioral1
Sample
OTEYZ_Loader.bat
Resource
win7-20241023-en
Malware Config
Extracted
mercurialgrabber
https://discordapp.com/api/webhooks/1308883657456619530/0_Ad9EyrLZrIMKH4vjM6XHyvCJJtKddsiohDSyvCWZ8HIxpyNxmVJgrKb_zO-jqSHSO0
Extracted
asyncrat
Default
technical-southwest.gl.at.ply.gg:58694
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delay
1
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install
true
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install_file
WINDOWS.exe
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install_folder
%AppData%
Targets
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Target
OTEYZ_Loader.bat
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Size
1KB
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MD5
f3f83ae17a3f81e0265b9ce7e480bd4e
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SHA1
994d8d5b533fd09630b45a0d0404f65557e83d5d
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SHA256
412476007cd57ca529c83c386125249fbe0952a2522f5d838ffd3fb10a6e1f74
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SHA512
cc0480e5cf4b8d6ca9318f806587bf121dc8feb553263e4756b43b568cf38d93ce94a467e87878f299d3fdabc66e178c8dafa96e3e5fda51bbfd7a6b4220bf39
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Asyncrat family
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Mercurial Grabber Stealer
Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.
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Mercurialgrabber family
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Async RAT payload
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Looks for VirtualBox Guest Additions in registry
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Blocklisted process makes network request
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Downloads MZ/PE file
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Looks for VMWare Tools registry key
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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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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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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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
2PowerShell
2Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1