Analysis
- max time kernel
11s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260617-en - resource tags
- submitted
23/06/2026, 02:15
General
- Target ecogreen.com.co.exe
- Size 3.1MB
- Sample260623-cpybrshy3k
- SHA256 6c221ec7fa2849ac9fde4f579c1bb26c787bb0806f22a757a3b054463081feff
Malware Config
Extracted
-
quasar
-
1.4.1
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Office04
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ecogreen.com.co:443
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www.ecogreen.com.co:443
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ecogreen.com.co:80
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www.ecogreen.com.co:80
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f6c1dea1-2bdf-4464-a5cd-7bda7d1ff1db
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encryption_key
ED3227F773701D05083B11A65776F95F93EEEF5E
-
install_name
Client.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
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reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Executes dropped EXE 2 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 3 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
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C:\Users\Admin\AppData\Local\Temp\ecogreen.com.co.exe"C:\Users\Admin\AppData\Local\Temp\ecogreen.com.co.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
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-
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C:\Users\Admin\AppData\Roaming\SubDir\Client.exeC:\Users\Admin\AppData\Roaming\SubDir\Client.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
Client.exe
memory/1512-24-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/1512-19-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/1512-34-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/1512-33-0x000000001CB00000-0x000000001CBB2000-memory.dmp
memory/1512-32-0x000000001C9F0000-0x000000001CA40000-memory.dmp
memory/1512-29-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/1512-30-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/1512-28-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/1512-27-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/1512-17-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/1512-26-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/1512-25-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/1512-23-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/1512-22-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/1512-21-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/1512-16-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/1512-20-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/3176-10-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/3176-18-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/3176-2-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/3176-1-0x0000000000520000-0x0000000000844000-memory.dmp
memory/3176-14-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/3176-13-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/3176-0-0x00007FFEFFD8F000-0x00007FFEFFD90000-memory.dmp
memory/3176-12-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/3176-11-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/3176-9-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/3176-8-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/3176-7-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/3176-6-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/3176-5-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/3176-4-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp
memory/3176-3-0x00007FFEFFC00000-0x00007FFF005A4000-memory.dmp