Analysis
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max time kernel
135s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
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submitted
14-05-2023 19:02
General
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Target
stub.exe
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Size
348KB
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MD5
46b23e41aeba2bb731b8ae3e22a7e5dc
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SHA1
a180b34c6f9cc519d1d3773904c56c3d952ca423
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SHA256
c8277e88b37878917b46d509324a57846d58e285c3e06720a282e7bb34fd9bc0
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SHA512
9387f05ce259a39be1a194fbb4a89747d4005866bfddfec2a5605437b899563f7bc5c4af2231f8bc76934ecbabc15ea1596c0c5d70a4207390be13cc6d95d176
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SSDEEP
6144:+2NHXf500MGQqCgPsccwxdbNNepgFVswka:1d50yzVteGjswka
Score
10/10
Malware Config
Extracted
Family
quasar
Version
1.3.0.0
Botnet
new2
C2
asyfguas.con-ip.com:555
Mutex
QSR_MUTEX_ehHHLz4QY25Plj0Xry
Attributes
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encryption_key
SF8iuyfrBbCOUe75IKlr
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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 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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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\stub.exe"C:\Users\Admin\AppData\Local\Temp\stub.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
376KB
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Filesize
5.6MB
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Filesize
584KB
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Filesize
64KB
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Filesize
408KB
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Filesize
72KB
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Filesize
240KB
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Filesize
40KB
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Filesize
64KB