Analysis
- max time kernel
150s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20231127-en - resource tags
- submitted
14/12/2023, 08:15
General
- Target f0207a4a17b47cba7d87142363b12477.exe
- Size 3.1MB
- Sample231214-j5kh6scder
- SHA256 d2835aa9243d529d8d44846d383f97f1bb7b976bc4c378d29d2387d1ba6c1d09
Malware Config
Extracted
-
quasar
-
1.4.1
-
Office04
-
127.0.0.1:4782
-
4b2195e4-fb92-4868-914b-7332837f4388
-
encryption_key
26FFD71DADD23C1D90404D858942E1C47093C7CF
-
install_name
Synecs.exe
-
log_directory
pergs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Signatures
- Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 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\f0207a4a17b47cba7d87142363b12477.exe"C:\Users\Admin\AppData\Local\Temp\f0207a4a17b47cba7d87142363b12477.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\SubDir\Synecs.exe"C:\Users\Admin\AppData\Roaming\SubDir\Synecs.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
Synecs.exe
memory/2752-8-0x00007FFCCD0C0000-0x00007FFCCDB81000-memory.dmp
memory/2752-10-0x000000001B1D0000-0x000000001B1E0000-memory.dmp
memory/2752-11-0x000000001BAD0000-0x000000001BB20000-memory.dmp
memory/2752-12-0x000000001BBE0000-0x000000001BC92000-memory.dmp
memory/2752-13-0x00007FFCCD0C0000-0x00007FFCCDB81000-memory.dmp
memory/2752-14-0x000000001B1D0000-0x000000001B1E0000-memory.dmp
memory/4908-0-0x00000000009E0000-0x0000000000D06000-memory.dmp
memory/4908-1-0x00007FFCCD0C0000-0x00007FFCCDB81000-memory.dmp
memory/4908-2-0x000000001B940000-0x000000001B950000-memory.dmp
memory/4908-9-0x00007FFCCD0C0000-0x00007FFCCDB81000-memory.dmp