Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
21-11-2024 23:24
General
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Target
xTSRv1.1.0.6.exe
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Size
344KB
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MD5
58862052bc9830249a3481c1f598bfa6
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SHA1
a1606388aae362146a32faf45815cb7aa2e0a3ec
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SHA256
bacfd4551eb96cd6a853ee55f7e1839fdffedf1309d00932f603d214bc4798fb
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SHA512
f5bb7b412ddb826d262b784d9538c2ea30d217e1d23691176c53735021ada2fec13f2559ecfa6096ae4860e004211897dc0c69b9b04a5451d2e3feb6bec80215
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SSDEEP
6144:u4HFNUocJ7fDktpXaWgvkoXZL8GaY4900NuiF1D48q3O:/FNUzJ7fOpXa7PXZI4r0tq3
Malware Config
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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Executes dropped EXE 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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System Location Discovery: System Language Discovery 1 TTPs 4 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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Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 64 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 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\xTSRv1.1.0.6.exe"C:\Users\Admin\AppData\Local\Temp\xTSRv1.1.0.6.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "Windows Defender" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\xTSRv1.1.0.6.exe" /rl HIGHEST /f2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Roaming\driver\driver.exe"C:\Users\Admin\AppData\Roaming\driver\driver.exe" -d22⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "Windows Defender" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\driver\driver.exe" /rl HIGHEST /f3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
344KB
MD558862052bc9830249a3481c1f598bfa6
SHA1a1606388aae362146a32faf45815cb7aa2e0a3ec
SHA256bacfd4551eb96cd6a853ee55f7e1839fdffedf1309d00932f603d214bc4798fb
SHA512f5bb7b412ddb826d262b784d9538c2ea30d217e1d23691176c53735021ada2fec13f2559ecfa6096ae4860e004211897dc0c69b9b04a5451d2e3feb6bec80215
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
40KB
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Filesize
240KB
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Filesize
72KB
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Filesize
7.7MB
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Filesize
408KB
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Filesize
7.7MB
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Filesize
584KB
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Filesize
5.6MB
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Filesize
4KB
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Filesize
7.7MB
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Filesize
360KB