Analysis
- max time kernel
300s - max time network
300s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
22/09/2026, 04:27
General
- Target S8888.exe
- Size 3.2MB
- Sample260922-e2977sxfng
- SHA256 87491d1c7c0f1def4ba7d7c705c1a69e1078cc7b76422a87ee4ea0ffa8903585
Malware Config
Extracted
-
quasar
-
1.4.1
-
S8
-
alpharush.ai:443
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www.alpharush.ai:443
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alpharush.ai:80
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www.alpharush.ai:80
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ce82c142-97fa-4693-be94-8e36592e85fb
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encryption_key
4F7F7E1A371AAD18A30EE3CD1305B33E8AE1BA88
-
install_name
s8 chao qh88.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Executes dropped EXE 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\S8888.exe"C:\Users\Admin\AppData\Local\Temp\S8888.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\SubDir\s8 chao qh88.exe"C:\Users\Admin\AppData\Roaming\SubDir\s8 chao qh88.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
s8 chao qh88.exe
memory/5508-25-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5508-23-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5508-30-0x000000001B070000-0x000000001B0C0000-memory.dmp
memory/5508-29-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5508-28-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5508-27-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5508-31-0x000000001C450000-0x000000001C502000-memory.dmp
memory/5508-26-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5508-24-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5508-18-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5508-22-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5508-16-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5508-21-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5508-20-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5508-32-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5508-17-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5984-8-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5984-19-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5984-14-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5984-13-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5984-12-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5984-11-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5984-10-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5984-9-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5984-0-0x00007FF81275F000-0x00007FF812760000-memory.dmp
memory/5984-7-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5984-6-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5984-5-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5984-4-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5984-3-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5984-2-0x00007FF8125D0000-0x00007FF812F74000-memory.dmp
memory/5984-1-0x0000000000640000-0x0000000000974000-memory.dmp