Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
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submitted
02/06/2023, 01:23
General
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Target
575a2f0d48c457c8dcc8d5ef5a964adbb50b48c7dda5d35592e1db58f8401a98.exe
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Size
348KB
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MD5
327bb4dfec8cfc425678b2a9afc6d592
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SHA1
da7e52a4666e8fb50f04453e2966954f2aeb9174
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SHA256
575a2f0d48c457c8dcc8d5ef5a964adbb50b48c7dda5d35592e1db58f8401a98
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SHA512
daeae0c7ddaf892576a0f7e51898c666dfa139ec37f311996ff57119b0a98e48bdd6e56e191ed40bc2882a77715845fe875ed0bd2fab16e805669055cd67f9c0
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SSDEEP
6144:37qQ4i1FFiEK5zLuDl+BTlbRjlV4dFsiz7fKUB+q:rpliRySvIsi/fKUcq
Score
10/10
Malware Config
Extracted
Family
quasar
Version
1.3.0.0
Botnet
Office04
C2
cryptersandtools.ddns.com.br:5552
Mutex
QSR_MUTEX_PV7LCoiUmiwD1RBPCq
Attributes
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encryption_key
2yfSzdUNgSe9EVCk7VEH
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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\575a2f0d48c457c8dcc8d5ef5a964adbb50b48c7dda5d35592e1db58f8401a98.exe"C:\Users\Admin\AppData\Local\Temp\575a2f0d48c457c8dcc8d5ef5a964adbb50b48c7dda5d35592e1db58f8401a98.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
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