Analysis
- max time kernel
141s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20231127-en - resource tags
- submitted
02/12/2023, 15:07
General
- Target bSee.exe
- Size 348KB
- Sample231202-shpdaade9s
- SHA256 d47e620d1c305da86a151ae4e615aedcb53448c66808998251b407831d8f669b
Malware Config
Extracted
-
quasar
-
1.3.0.0
-
Office04
-
nodetecton.ddns.net:5552
-
QSR_MUTEX_PV7LCoiUmiwD1RBPCq
-
encryption_key
eZUVZ8omJzgRh5woZARI
-
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\bSee.exe"C:\Users\Admin\AppData\Local\Temp\bSee.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/1552-0-0x0000000000680000-0x00000000006DE000-memory.dmp
memory/1552-1-0x0000000075370000-0x0000000075B20000-memory.dmp
memory/1552-2-0x00000000055F0000-0x0000000005B94000-memory.dmp
memory/1552-3-0x0000000005040000-0x00000000050D2000-memory.dmp
memory/1552-4-0x00000000051B0000-0x00000000051C0000-memory.dmp
memory/1552-5-0x00000000051C0000-0x0000000005226000-memory.dmp
memory/1552-6-0x0000000005DC0000-0x0000000005DD2000-memory.dmp
memory/1552-7-0x0000000006200000-0x000000000623C000-memory.dmp
memory/1552-8-0x0000000075370000-0x0000000075B20000-memory.dmp
memory/1552-9-0x00000000051B0000-0x00000000051C0000-memory.dmp
memory/1552-10-0x00000000063B0000-0x00000000063BA000-memory.dmp