Analysis
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max time kernel
101s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
26-11-2024 16:59
General
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Target
364bced583c788ce29ea940ae80375ddc554d631bba03a0f2c2773c116ebabb2.exe
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Size
480KB
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MD5
e556f54617292b377654a8c2f6016498
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SHA1
ff3326d42c53b021fcd38d24f08a2d637623e538
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SHA256
364bced583c788ce29ea940ae80375ddc554d631bba03a0f2c2773c116ebabb2
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SHA512
3e7e00f9247649f8768d05058388882f249c11ab46610bd1aaf581436d01d55f117d2d61818540a449fe67ea1d3ff49cea62d0bf915dea100a7c77d7656e4c36
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SSDEEP
12288:iww6xvH9M3Ir55+JpWQbe6Ef4D+2u+4gnflehWv:inKP9M4r55+JAQGf4D+2tleAv
Malware Config
Extracted
quasar
1.3.0.0
svchost.exe
23.227.174.82:4782
QSR_MUTEX_UtaUPinApnyZsQXsVE
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encryption_key
hn8U0t79xWv7f03kzG79
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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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Drops startup file 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 SetThreadContext 1 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 2 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 behavior: EnumeratesProcesses 8 IoCs
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Suspicious behavior: MapViewOfSection 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\364bced583c788ce29ea940ae80375ddc554d631bba03a0f2c2773c116ebabb2.exe"C:\Users\Admin\AppData\Local\Temp\364bced583c788ce29ea940ae80375ddc554d631bba03a0f2c2773c116ebabb2.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Users\Admin\AppData\Local\Temp\364bced583c788ce29ea940ae80375ddc554d631bba03a0f2c2773c116ebabb2.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
376KB
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Filesize
5.6MB
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Filesize
584KB
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Filesize
408KB
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Filesize
72KB
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Filesize
240KB
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Filesize
40KB