Analysis
- max time kernel
147s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
26/03/2024, 03:28
General
- Target Client-built.exe
- Size 3.1MB
- Sample240326-d1c1msfd4w
- SHA256 d33a6a4caf5019dbd66e482f8d9bfae8c4a6df727cf0efbd2116144513b4bb0b
Score
10/10
Malware Config
Extracted
Family
-
quasar
Version
-
1.4.1
Botnet
-
Office04
C2
-
76.104.23.114:6169
Mutex
-
f2706aa1-9bb2-4b53-aa2b-28d4da8c7898
Attributes
-
encryption_key
6275E7CE2675387B9387C0E961B0CB5150149497
-
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/5048-0-0x0000000000630000-0x0000000000954000-memory.dmp
memory/5048-1-0x00007FF802640000-0x00007FF803101000-memory.dmp
memory/5048-2-0x000000001B830000-0x000000001B840000-memory.dmp
memory/5048-3-0x000000001C450000-0x000000001C4A0000-memory.dmp
memory/5048-4-0x000000001C560000-0x000000001C612000-memory.dmp
memory/5048-5-0x00007FF802640000-0x00007FF803101000-memory.dmp