Analysis
- max time kernel
6s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
10/09/2026, 02:08
General
- Target jaffacakes118_f12d6dd3574a91c871c475e2be2bf68a0749b68ca0e279ce929f7df25ee2a96f.exe
- Size 348KB
- Sample260910-ckyrqswtaw
- SHA256 f12d6dd3574a91c871c475e2be2bf68a0749b68ca0e279ce929f7df25ee2a96f
Malware Config
Extracted
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quasar
-
1.3.0.0
-
Office04
-
91.151.95.112:1604
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QSR_MUTEX_hSDMTQoxIHxlnuzXTt
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encryption_key
w1G3OvZddsMyV6uLte5R
-
install_name
Client.exe
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key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
MicrosoftEdgePdf
-
subdirectory
SubDir
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Executes dropped EXE 1 IoCs
- Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- 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 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_f12d6dd3574a91c871c475e2be2bf68a0749b68ca0e279ce929f7df25ee2a96f.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_f12d6dd3574a91c871c475e2be2bf68a0749b68ca0e279ce929f7df25ee2a96f.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "MicrosoftEdgePdf" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_f12d6dd3574a91c871c475e2be2bf68a0749b68ca0e279ce929f7df25ee2a96f.exe" /rl HIGHEST /f2⤵
- System Location Discovery: System Language Discovery
- 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
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "MicrosoftEdgePdf" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_f12d6dd3574a91c871c475e2be2bf68a0749b68ca0e279ce929f7df25ee2a96f.exeC:\Users\Admin\AppData\Local\Temp\jaffacakes118_f12d6dd3574a91c871c475e2be2bf68a0749b68ca0e279ce929f7df25ee2a96f.exe1⤵
- System Location Discovery: System Language Discovery
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exeC:\Users\Admin\AppData\Roaming\SubDir\Client.exe1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Client.exe
memory/552-4-0x00000000749A0000-0x000000007515C000-memory.dmp
memory/552-11-0x00000000749A0000-0x000000007515C000-memory.dmp
memory/552-3-0x0000000005530000-0x00000000055C2000-memory.dmp
memory/552-0-0x00000000749B2000-0x00000000749B3000-memory.dmp
memory/552-5-0x00000000055D0000-0x0000000005636000-memory.dmp
memory/552-6-0x00000000061B0000-0x00000000061C2000-memory.dmp
memory/552-7-0x00000000066E0000-0x000000000671C000-memory.dmp
memory/552-1-0x0000000000A30000-0x0000000000A8E000-memory.dmp
memory/552-2-0x0000000005AF0000-0x00000000060AA000-memory.dmp
memory/980-10-0x00000000749A0000-0x000000007515C000-memory.dmp
memory/980-9-0x00000000749A0000-0x000000007515C000-memory.dmp
memory/980-15-0x0000000006CA0000-0x0000000006CAA000-memory.dmp
memory/980-18-0x00000000749A0000-0x000000007515C000-memory.dmp
memory/980-19-0x00000000749A0000-0x000000007515C000-memory.dmp
memory/2740-12-0x00000000749A0000-0x000000007515C000-memory.dmp
memory/2740-13-0x00000000749A0000-0x000000007515C000-memory.dmp
memory/2740-17-0x00000000749A0000-0x000000007515C000-memory.dmp