Analysis
- max time kernel
129s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
03/08/2024, 14:03
General
- Target Client-built.exe
- Size 3.1MB
- Sample240803-rcz26azfph
- SHA256 f774a57c36378499db334d0b68aa53fc0f79fa10ae651f79a0ef2f73fd6d88d7
Score
10/10
Malware Config
Extracted
Family
-
quasar
Version
-
1.4.1
Botnet
-
Office04
C2
-
82.49.9.51:4782
Mutex
-
49e7b5a4-6fe4-4855-b68c-1fba7121a568
Attributes
-
encryption_key
BF58CF0517AF2BD741F30FED0728FEC9DA104D6D
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Signatures
- 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 v15
Replay Monitor
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Downloads
memory/4016-0-0x00007FF99DE53000-0x00007FF99DE55000-memory.dmp
memory/4016-1-0x0000000000960000-0x0000000000C84000-memory.dmp
memory/4016-2-0x00007FF99DE50000-0x00007FF99E911000-memory.dmp
memory/4016-3-0x000000001C370000-0x000000001C3C0000-memory.dmp
memory/4016-4-0x000000001C480000-0x000000001C532000-memory.dmp
memory/4016-5-0x00007FF99DE53000-0x00007FF99DE55000-memory.dmp
memory/4016-6-0x00007FF99DE50000-0x00007FF99E911000-memory.dmp