Analysis
- user interaction
yes - max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
20/10/2026, 23:17
General
- Target Client-built.exe
- Size 3.1MB
- Sample261020-296lbaxtcw
- SHA256 0377bb7740db02b649cd8fdd7d22b59af73fe2b62b6b4fbcb28db35897aa53e4
Score
10/10
Malware Config
Extracted
Family
-
quasar
Version
-
1.4.1
Botnet
-
Office04
C2
-
192.168.86.182:4782
Mutex
-
856bc72a-c033-4979-8b81-648608ce358d
Attributes
-
encryption_key
CAB54268B185B9AC01074EC96011475A92F4430E
-
install_name
Client.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 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Client-built.exe"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/3356-0-0x0000000000370000-0x0000000000694000-memory.dmp
memory/3356-1-0x0000000002870000-0x0000000002880000-memory.dmp
memory/3356-2-0x000000001BD80000-0x000000001BDD0000-memory.dmp
memory/3356-3-0x000000001BE90000-0x000000001BF42000-memory.dmp
memory/3356-4-0x0000000002870000-0x0000000002880000-memory.dmp