Analysis
- max time kernel
129s - max time network
137s - platform
windows10-1703_x64 - resource
win10-20240611-en - resource tags
- submitted
01/08/2024, 23:05
General
- Target Uncrypted.exe
- Size 3.1MB
- Sample240801-22358a1fkn
- SHA256 f0890762dc18864d1900091680170560ce12d39661b1a43aa89a40b8f7bba356
Malware Config
Extracted
-
quasar
-
1.4.1
-
Crypted
-
147.185.221.20:49485
-
5d05bf1e-2e1c-4491-818f-f7812202a0f3
-
encryption_key
861857D1CF3156473C4CDEC5FF4316148C273C40
-
install_name
$phantom-jlaive.exe
-
log_directory
$phantom-Logs
-
reconnect_delay
3000
-
startup_key
$phantom-Jlaive
-
subdirectory
$phantom-Dir
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).
- System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Uncrypted.exe"C:\Users\Admin\AppData\Local\Temp\Uncrypted.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VhigQpW25WX2.bat" "2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\chcp.comchcp 650013⤵
-
-
C:\Windows\system32\PING.EXEping -n 10 localhost3⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
VhigQpW25WX2.bat
memory/4476-8-0x000000001BD80000-0x000000001BDBE000-memory.dmp
memory/4476-2-0x00007FFA741A0000-0x00007FFA74B8C000-memory.dmp
memory/4476-3-0x000000001B720000-0x000000001B770000-memory.dmp
memory/4476-4-0x000000001B830000-0x000000001B8E2000-memory.dmp
memory/4476-7-0x000000001BD20000-0x000000001BD32000-memory.dmp
memory/4476-0-0x00007FFA741A3000-0x00007FFA741A4000-memory.dmp
memory/4476-9-0x000000001B770000-0x000000001B801000-memory.dmp
memory/4476-11-0x00007FFA741A3000-0x00007FFA741A4000-memory.dmp
memory/4476-12-0x00007FFA741A0000-0x00007FFA74B8C000-memory.dmp
memory/4476-20-0x000000001B770000-0x000000001B801000-memory.dmp
memory/4476-21-0x00007FFA741A0000-0x00007FFA74B8C000-memory.dmp
memory/4476-1-0x00000000003E0000-0x0000000000704000-memory.dmp