Analysis
- max time kernel
296s - max time network
306s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
07/06/2024, 14:23
General
- Target Bloxscripter.exe
- Size 3.1MB
- Sample240607-rqblqahe71
- SHA256 d1f597523d3e81062154c380137134ee5231d207e51604cdb0ad72a79788f699
Malware Config
Extracted
-
quasar
-
1.4.1
-
Office04
-
89.39.171.191:4782
-
762b16a7-c943-4acc-82fa-9218267341e4
-
encryption_key
60588B031AB3F753713A86BD228C085945A06CE0
-
install_name
TheBeams.exe
-
log_directory
Checking
-
reconnect_delay
3000
-
startup_key
The Beams Startup
-
subdirectory
TheBeams
Signatures
- Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Executes dropped EXE 1 IoCs
- Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\Bloxscripter.exe"C:\Users\Admin\AppData\Local\Temp\Bloxscripter.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "The Beams Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\TheBeams\TheBeams.exe" /rl HIGHEST /f2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Roaming\TheBeams\TheBeams.exe"C:\Users\Admin\AppData\Roaming\TheBeams\TheBeams.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "The Beams Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\TheBeams\TheBeams.exe" /rl HIGHEST /f3⤵
- Creates scheduled task(s)
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
TheBeams.exe
memory/2920-0-0x00007FF85B423000-0x00007FF85B425000-memory.dmp
memory/2920-1-0x0000000000E30000-0x0000000001154000-memory.dmp
memory/2920-2-0x00007FF85B420000-0x00007FF85BEE1000-memory.dmp
memory/2920-9-0x00007FF85B420000-0x00007FF85BEE1000-memory.dmp
memory/3344-10-0x00007FF85B420000-0x00007FF85BEE1000-memory.dmp
memory/3344-11-0x00007FF85B420000-0x00007FF85BEE1000-memory.dmp
memory/3344-12-0x000000001B260000-0x000000001B2B0000-memory.dmp
memory/3344-13-0x000000001BAE0000-0x000000001BB92000-memory.dmp
memory/3344-14-0x00007FF85B420000-0x00007FF85BEE1000-memory.dmp