Analysis
- max time kernel
149s - max time network
148s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
29/04/2026, 03:32
General
- Target taxi-app.exe
- Size 3.5MB
- Sample260429-d34ldaf171
- SHA256 4db183474740d8a273ef956cdf4333a635ff6986a7b2dda1caf15033c5eb617a
Malware Config
Extracted
-
quasar
-
1.4.1
-
taxi
-
172.67.155.165:4782
-
104.21.80.254:4782
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sextop1.taxi:4782
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2606:4700:3030::6815:50fe:4782
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2606:4700:3033::ac43:9ba5:4782
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192.64.119.123:4782
-
ce892147-0a4d-4c64-93c3-0e11aac2efd0
-
encryption_key
2DA8E1B5D18EAA4561218BCAF7CC51C403CE73ED
-
install_name
taxi.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
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reconnect_delay
3000
-
startup_key
taxi
-
subdirectory
taxi
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Executes dropped EXE 2 IoCs
- Drops file in System32 directory 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 SetWindowsHookEx 1 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
-
C:\Users\Admin\AppData\Local\Temp\taxi-app.exe"C:\Users\Admin\AppData\Local\Temp\taxi-app.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "taxi" /sc ONLOGON /tr "C:\Windows\system32\taxi\taxi.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Windows\system32\taxi\taxi.exe"C:\Windows\system32\taxi\taxi.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 "taxi" /sc ONLOGON /tr "C:\Windows\system32\taxi\taxi.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
-
-
-
C:\Windows\system32\taxi\taxi.exeC:\Windows\system32\taxi\taxi.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
taxi.exe
memory/1360-8-0x000000001C1F0000-0x000000001C200000-memory.dmp
memory/1360-11-0x000000001CB00000-0x000000001CB50000-memory.dmp
memory/1360-13-0x000000001CC10000-0x000000001CCC2000-memory.dmp
memory/1360-14-0x0000000003570000-0x0000000003582000-memory.dmp
memory/1360-16-0x000000001C1F0000-0x000000001C200000-memory.dmp
memory/1360-15-0x000000001CB50000-0x000000001CBBF000-memory.dmp
memory/1360-24-0x000000001CB50000-0x000000001CBBF000-memory.dmp
memory/3140-12-0x000000001B1F0000-0x000000001B202000-memory.dmp
memory/3984-0-0x0000000000770000-0x0000000000AEE000-memory.dmp
memory/3984-1-0x000000001B8B0000-0x000000001B8C0000-memory.dmp
memory/3984-6-0x0000000002C60000-0x0000000002C72000-memory.dmp