Analysis
- max time kernel
147s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20231130-en - resource tags
- submitted
14/12/2023, 08:15
General
- Target Syences.exe
- Size 3.1MB
- Sample231214-j5ye2adge3
- 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 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\Syences.exe"C:\Users\Admin\AppData\Local\Temp\Syences.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
Synecs.exe
memory/2300-8-0x00007FFE7E760000-0x00007FFE7F221000-memory.dmp
memory/2300-9-0x00000000019C0000-0x00000000019D0000-memory.dmp
memory/2300-11-0x000000001BBC0000-0x000000001BC10000-memory.dmp
memory/2300-12-0x000000001C2E0000-0x000000001C392000-memory.dmp
memory/2300-13-0x00007FFE7E760000-0x00007FFE7F221000-memory.dmp
memory/2300-14-0x00000000019C0000-0x00000000019D0000-memory.dmp
memory/2804-0-0x0000000000530000-0x0000000000856000-memory.dmp
memory/2804-2-0x000000001B310000-0x000000001B320000-memory.dmp
memory/2804-1-0x00007FFE7E760000-0x00007FFE7F221000-memory.dmp
memory/2804-10-0x00007FFE7E760000-0x00007FFE7F221000-memory.dmp