Analysis
- max time kernel
139s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
11/08/2023, 22:08
General
- Target bOPE.exe
- Size 348KB
- Sample230811-117xcagh74
- 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/4308-133-0x0000000074970000-0x0000000075120000-memory.dmp
memory/4308-134-0x0000000000F30000-0x0000000000F8E000-memory.dmp
memory/4308-135-0x0000000005EE0000-0x0000000006484000-memory.dmp
memory/4308-136-0x0000000005A40000-0x0000000005AD2000-memory.dmp
memory/4308-137-0x0000000005A30000-0x0000000005A40000-memory.dmp
memory/4308-138-0x0000000005D50000-0x0000000005DB6000-memory.dmp
memory/4308-139-0x00000000069B0000-0x00000000069C2000-memory.dmp
memory/4308-140-0x0000000006DF0000-0x0000000006E2C000-memory.dmp
memory/4308-141-0x0000000007520000-0x000000000752A000-memory.dmp
memory/4308-142-0x0000000074970000-0x0000000075120000-memory.dmp
memory/4308-143-0x0000000005A30000-0x0000000005A40000-memory.dmp