Analysis
- max time kernel
143s - max time network
119s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
10/01/2024, 18:48
General
- Target 32aa4355cbed96bc5f95b9e18425fcfa9e3191007e13e2e6764eb8355f276c8d.exe
- Size 3.1MB
- Sample240110-xfqwjsdffj
- SHA256 32aa4355cbed96bc5f95b9e18425fcfa9e3191007e13e2e6764eb8355f276c8d
Malware Config
Extracted
-
quasar
-
1.4.1
-
Office04
-
1800hacker.ddns.net:4782
-
67ffd655-49fa-469d-a213-f509adc8ddd2
-
encryption_key
35F8929B1F55E71F320F40E14B86BDA0FE83A2AB
-
install_name
Feather.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Signatures
- Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 3 IoCs
- Executes dropped EXE 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\32aa4355cbed96bc5f95b9e18425fcfa9e3191007e13e2e6764eb8355f276c8d.exe"C:\Users\Admin\AppData\Local\Temp\32aa4355cbed96bc5f95b9e18425fcfa9e3191007e13e2e6764eb8355f276c8d.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\SubDir\Feather.exe"C:\Users\Admin\AppData\Roaming\SubDir\Feather.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
Feather.exe
memory/4412-0-0x0000000000110000-0x0000000000434000-memory.dmp
memory/4412-1-0x00007FFBB1FF0000-0x00007FFBB2AB1000-memory.dmp
memory/4412-2-0x000000001B240000-0x000000001B250000-memory.dmp
memory/4412-8-0x00007FFBB1FF0000-0x00007FFBB2AB1000-memory.dmp
memory/4616-9-0x00007FFBB1FF0000-0x00007FFBB2AB1000-memory.dmp
memory/4616-10-0x000000001B520000-0x000000001B570000-memory.dmp
memory/4616-11-0x000000001BAC0000-0x000000001BB72000-memory.dmp
memory/4616-12-0x00007FFBB1FF0000-0x00007FFBB2AB1000-memory.dmp
memory/4616-13-0x000000001B570000-0x000000001B580000-memory.dmp