Analysis
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max time kernel
145s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
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submitted
17/04/2024, 14:02
General
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Target
38632595e5ebb1ec4ed87327df02ffaf844e49559c2e881cb801f6c1e5026b7d.exe
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Size
348KB
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MD5
9a9ad4c7726dc162e42865008d035a67
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SHA1
4e96beb34472edb52f04d7afbd77199799b3a134
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SHA256
38632595e5ebb1ec4ed87327df02ffaf844e49559c2e881cb801f6c1e5026b7d
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SHA512
6bae0b5d7aa9c748c5fecd2f33443237f49dec10d2d231ec93ca25bd2fdf7737eb0fb5d65d79b4f16ba30e6fff8e4f2d843ed845fa383f5690815b7d36da786e
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SSDEEP
6144:7zNHXf500MpquFq1tnNAjbRDOJX+clr249YSkhp40GRzgSOS:fd50Snu54E46S90GRzXOS
Malware Config
Extracted
quasar
1.3.0.0
Office04
qutz.duckdns.org:4782
QSR_MUTEX_8k92xB7YX3G5daUSZO
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encryption_key
byj4ViyvvQaDXMdNekxD
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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
Processes
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C:\Users\Admin\AppData\Local\Temp\38632595e5ebb1ec4ed87327df02ffaf844e49559c2e881cb801f6c1e5026b7d.exe"C:\Users\Admin\AppData\Local\Temp\38632595e5ebb1ec4ed87327df02ffaf844e49559c2e881cb801f6c1e5026b7d.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
7.7MB
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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
7.7MB
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Filesize
64KB
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Filesize
40KB