Analysis
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max time kernel
126s -
max time network
136s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
28-11-2024 03:04
General
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Target
Client.exe
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Size
348KB
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MD5
4ae0072b64d5fd0d3487aa9471170c88
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SHA1
bd0e8c22c8bc30d653552d79860948302bf6d964
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SHA256
0e9cf144db889d734e8cd7bf4a7fe7fbfce2b0e4a1811e28529b8fef441bfef8
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SHA512
222c28a9d4cb828b2cf72a089a75d7250aaf7d6b7bf0243e04e932855e263f0234abd27d09a75562db58bb2008bddca7055336df9ca05dc877736e18c1dab64f
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SSDEEP
6144:mrNHXf500MvKRH2aWx3bp91O+mCWYOvNlRkiyZK:wd50gRSj1jEYOvtkiwK
Malware Config
Extracted
quasar
1.3.0.0
Office04
51.79.176.188:4782
QSR_MUTEX_VpymbOpr3PCDDO1MrF
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encryption_key
UHc26cHDYhemjvStOeoP
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Quasar Client Startup
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subdirectory
SubDir
Signatures
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Quasar RAT
Quasar is an open source Remote Access Tool.
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Quasar family
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Quasar payload 1 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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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.
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Client.exe"C:\Users\Admin\AppData\Local\Temp\Client.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4KB
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Filesize
376KB
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Filesize
6.9MB
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Filesize
4KB
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Filesize
6.9MB