Analysis
- max time kernel
16s - max time network
129s - platform
windows7_x64 - resource
win7-20240903-en - resource tags
- submitted
04/02/2025, 06:06
General
- Target 173864910300ba5ea72ec8f5a382f0e371374c0f6fc44a89ca98412290dd6f76f8b6303adb572.dat-decoded.exe
- Size 348KB
- Sample250204-gttllazjdl
- SHA256 8a54d056aeda3294b96434794bfc06246f4d88585773b0da3fdd1aebdae80da4
Score
10/10
Malware Config
Extracted
Family
-
quasar
Version
-
1.3.0.0
Botnet
-
Server
C2
-
qjas.duckdns.org:55950
Mutex
-
QSR_MUTEX_jgz2oEahB8s3KyEOO6
Attributes
-
encryption_key
gj45F7I9UftmOOGvZded
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Google Client Startup
-
subdirectory
SubDir
Signatures
- Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar family
- Quasar payload 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\173864910300ba5ea72ec8f5a382f0e371374c0f6fc44a89ca98412290dd6f76f8b6303adb572.dat-decoded.exe"C:\Users\Admin\AppData\Local\Temp\173864910300ba5ea72ec8f5a382f0e371374c0f6fc44a89ca98412290dd6f76f8b6303adb572.dat-decoded.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2208-0-0x00000000746EE000-0x00000000746EF000-memory.dmp
memory/2208-1-0x0000000000960000-0x00000000009BE000-memory.dmp
memory/2208-2-0x00000000746E0000-0x0000000074DCE000-memory.dmp
memory/2208-4-0x00000000746EE000-0x00000000746EF000-memory.dmp
memory/2208-5-0x00000000746E0000-0x0000000074DCE000-memory.dmp