Analysis
- max time kernel
149s - max time network
148s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
19/02/2026, 00:15
General
- Target GeodeUpdater.exe
- Size 3.1MB
- Sample260219-ajxryaex8f
- SHA256 91582bae994ec62ad20d233d62ee84b6dfb68aa8e954153346c1e4aa62906b81
Malware Config
Extracted
-
quasar
-
1.4.1
-
Geode
-
Nexit-53294.portmap.host:53294
-
9818385c-4cd8-49c1-9ac0-15a540bee1fe
-
encryption_key
D48B6FA43B093472C9A7E1365CFCB097B9127D2F
-
install_name
Client.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
kelogs
-
reconnect_delay
3000
-
startup_key
Java updater
-
subdirectory
SubDir
Signatures
- Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar family
- Quasar payload 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 1 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\GeodeUpdater.exe"C:\Users\Admin\AppData\Local\Temp\GeodeUpdater.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Java updater" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/4612-0-0x0000000000440000-0x0000000000764000-memory.dmp
memory/4612-1-0x000000001B430000-0x000000001B440000-memory.dmp
memory/4612-2-0x000000001BFF0000-0x000000001C040000-memory.dmp
memory/4612-3-0x000000001C100000-0x000000001C1B2000-memory.dmp
memory/4612-4-0x0000000000F90000-0x0000000000F9C000-memory.dmp
memory/4612-6-0x000000001B430000-0x000000001B440000-memory.dmp
memory/4612-5-0x0000000002B10000-0x0000000002B22000-memory.dmp