General
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Target
BlankGrabberBuilder.exe
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Size
7.1MB
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Sample
241216-cvmgfs1kdq
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MD5
41f73d46b40f8a48fba2da1cbe8ce0e5
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SHA1
81792f8f896e965a8c11a7ab4f5e130acd099d2c
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SHA256
832538e38de96f15359b7fcfc4a74e5e64a1e6c255a9a4cdd1451ab080c19ca8
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SHA512
f52332894c5ca533d109d158822e4af4b0447e84fe99747c2e7b9700692f656d77677598054ec368518ff45a4d3b0384585a9ce815bb375be76a685b7298aede
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SSDEEP
196608:KiumWQ4Zv1hhzOjmFwDRxtYSHdK34kdai7bN3m2L+BWT:2zv1hoK2pM9B3Qi4i
Behavioral task
behavioral1
Sample
BlankGrabberBuilder.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
BlankGrabberBuilder.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
quasar
1.4.1
Beamed Kid
192.168.56.1:4782
7596ffa8-81d2-4d4c-91ce-4a1fac3d8ad2
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encryption_key
5B70B4279F1A0F275FCC61552D78BAAA381E9AC6
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install_name
Quasar.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
System
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subdirectory
SubDir
Targets
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Target
BlankGrabberBuilder.exe
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Size
7.1MB
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MD5
41f73d46b40f8a48fba2da1cbe8ce0e5
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SHA1
81792f8f896e965a8c11a7ab4f5e130acd099d2c
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SHA256
832538e38de96f15359b7fcfc4a74e5e64a1e6c255a9a4cdd1451ab080c19ca8
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SHA512
f52332894c5ca533d109d158822e4af4b0447e84fe99747c2e7b9700692f656d77677598054ec368518ff45a4d3b0384585a9ce815bb375be76a685b7298aede
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SSDEEP
196608:KiumWQ4Zv1hhzOjmFwDRxtYSHdK34kdai7bN3m2L+BWT:2zv1hoK2pM9B3Qi4i
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Quasar family
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Quasar payload
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Drops file in Drivers directory
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A potential corporate email address has been identified in the URL: 6633dd5dcff475e6fb744426_&@2x.png
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Clipboard Data
Adversaries may collect data stored in the clipboard from users copying information within or between applications.
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Executes dropped EXE
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Loads dropped DLL
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Unsecured Credentials: Credentials In Files
Steal credentials from unsecured files.
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Legitimate hosting services abused for malware hosting/C2
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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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Obfuscated Files or Information: Command Obfuscation
Adversaries may obfuscate content during command execution to impede detection.
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Enumerates processes with tasklist
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Obfuscated Files or Information
1Command Obfuscation
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
3