Analysis
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max time kernel
884s -
max time network
900s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20250128-en -
resource tags
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submitted
06-02-2025 18:12
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
de7909c583d5e0b334e89e95f6384171
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SHA1
d483c5298602a9b706d848262929e4ef3ec03720
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SHA256
bbdb9c68f5f4dad1f0bc699176d54fca52f89f6a30f4e22b0a7be85b2aade5c1
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SHA512
a375179aa3f2b4cbf3543c61ccf6ef422c3664a0797cc6d76d044ecced36f23a1bab7927e24bb54394631c1971d3e745085fdc3152b5d25d8bfe8eaddf7f1ee0
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SSDEEP
49152:rvnI22SsaNYfdPBldt698dBcjH+g/MBxvLoGd5THHB72eh2NT:rvI22SsaNYfdPBldt6+dBcjH1/s
Score
10/10
Malware Config
Extracted
Family
quasar
Version
1.4.1
Botnet
Office04
C2
100.68.87.21:5050
Mutex
7f5242b1-93d2-4a21-9129-5a75556ad700
Attributes
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encryption_key
797D0B478D9E5462152708E8188B9B9CACB9144A
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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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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-built.exe"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
8KB
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Filesize
3.1MB
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Filesize
10.8MB
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Filesize
320KB
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Filesize
712KB
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Filesize
8KB
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Filesize
10.8MB