Analysis
- max time kernel
143s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
05/02/2024, 10:09
General
- Target Client.exe
- Size 3.1MB
- Sample240205-l6smaafdhm
- SHA256 504f583f7c492b845e1cca28fa4eb8d7b2a6268ca72e21fc2d1c4c25a8c597ac
Score
10/10
Malware Config
Extracted
Family
-
quasar
Version
-
1.4.1
Botnet
-
Office04
C2
-
175.114.219.33:4782
Mutex
-
bf2755a1-ccc3-4e4b-a2e7-a25f639ba6c3
Attributes
-
encryption_key
4A4B4ED5FC85E590C39406C6970DD75240497888
-
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.exe"C:\Users\Admin\AppData\Local\Temp\Client.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/224-0-0x0000000000ED0000-0x00000000011F4000-memory.dmp
memory/224-1-0x00007FFA894C0000-0x00007FFA89F81000-memory.dmp
memory/224-2-0x000000001BF50000-0x000000001BF60000-memory.dmp
memory/224-3-0x000000001E160000-0x000000001E1B0000-memory.dmp
memory/224-4-0x000000001E270000-0x000000001E322000-memory.dmp
memory/224-5-0x00007FFA894C0000-0x00007FFA89F81000-memory.dmp
memory/224-6-0x000000001BF50000-0x000000001BF60000-memory.dmp