Analysis
- max time kernel
142s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
11/08/2023, 22:10
General
- Target bOPE.exe
- Size 348KB
- Sample230811-13lf5agh76
- SHA256 777894a1cb29d3cc1b4030000a5fb1d6f63c1af15a3daaddff1faeb142827c7d
Malware Config
Extracted
-
quasar
-
1.3.0.0
-
Office04
-
nanoinformcor1.duckdns.org:4782
-
QSR_MUTEX_l1M93VuqIyiH8hEQ4I
-
encryption_key
pnIZwbEtyMeiCUsCRVpp
-
install_name
Client.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 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bOPE.exe"C:\Users\Admin\AppData\Local\Temp\bOPE.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/1368-133-0x00000000753C0000-0x0000000075B70000-memory.dmp
memory/1368-134-0x0000000000540000-0x000000000059E000-memory.dmp
memory/1368-135-0x0000000005440000-0x00000000059E4000-memory.dmp
memory/1368-136-0x0000000005010000-0x00000000050A2000-memory.dmp
memory/1368-137-0x0000000005000000-0x0000000005010000-memory.dmp
memory/1368-138-0x00000000053B0000-0x0000000005416000-memory.dmp
memory/1368-139-0x0000000005FB0000-0x0000000005FC2000-memory.dmp
memory/1368-140-0x00000000063F0000-0x000000000642C000-memory.dmp
memory/1368-141-0x00000000066F0000-0x00000000066FA000-memory.dmp
memory/1368-142-0x00000000753C0000-0x0000000075B70000-memory.dmp
memory/1368-143-0x0000000005000000-0x0000000005010000-memory.dmp