Analysis
- max time kernel
149s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
- submitted
13/10/2023, 02:20
General
- Target Fatality.exe
- Size 3.1MB
- Sample231013-csghesce83
- SHA256 8ea351cab9838aaa0d7a9bebd79b702d0d1773204ce18f4224a77d1bf40d9a73
Malware Config
Extracted
-
quasar
-
1.4.1
-
Office04
-
127.1.1.0:4782
-
22384fbc-b958-468b-99f9-4784a88cd0c7
-
encryption_key
50A1B094C11F96A51B5FB7C366279F3F7DFD3B2E
-
install_name
Inject.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Microsoft Anti-virus
-
subdirectory
Fatality
Signatures
- Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 3 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\Fatality.exe"C:\Users\Admin\AppData\Local\Temp\Fatality.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Microsoft Anti-virus" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Fatality\Inject.exe" /rl HIGHEST /f2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Roaming\Fatality\Inject.exe"C:\Users\Admin\AppData\Roaming\Fatality\Inject.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 "Microsoft Anti-virus" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Fatality\Inject.exe" /rl HIGHEST /f3⤵
- Creates scheduled task(s)
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Inject.exe
Inject.exe
memory/264-9-0x00007FF8C2900000-0x00007FF8C33C1000-memory.dmp
memory/264-10-0x0000000002620000-0x0000000002630000-memory.dmp
memory/264-11-0x000000001BD20000-0x000000001BD70000-memory.dmp
memory/264-12-0x000000001BE30000-0x000000001BEE2000-memory.dmp
memory/264-13-0x00007FF8C2900000-0x00007FF8C33C1000-memory.dmp
memory/4876-0-0x0000000000D20000-0x0000000001044000-memory.dmp
memory/4876-1-0x00007FF8C2900000-0x00007FF8C33C1000-memory.dmp
memory/4876-2-0x000000001BC40000-0x000000001BC50000-memory.dmp
memory/4876-8-0x00007FF8C2900000-0x00007FF8C33C1000-memory.dmp