Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
27/04/2024, 01:00
General
- Target 451f300d14014ed0d89f00dde44295272d1672507a449a6106dc450493baa52e.exe
- Size 348KB
- Sample240427-bc5pmsge41
- SHA256 451f300d14014ed0d89f00dde44295272d1672507a449a6106dc450493baa52e
Malware Config
Extracted
-
quasar
-
1.3.0.0
-
PROXY
-
proxybreve.duckdns.org:4001
-
QSR_MUTEX_l1M93VuqIyiH8hEQ4I
-
encryption_key
Z3lsDT6GRXRES92YFSq8
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
1
-
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\451f300d14014ed0d89f00dde44295272d1672507a449a6106dc450493baa52e.exe"C:\Users\Admin\AppData\Local\Temp\451f300d14014ed0d89f00dde44295272d1672507a449a6106dc450493baa52e.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/5056-0-0x0000000000BC0000-0x0000000000C1E000-memory.dmp
memory/5056-1-0x0000000074970000-0x0000000075120000-memory.dmp
memory/5056-2-0x0000000005BC0000-0x0000000006164000-memory.dmp
memory/5056-3-0x0000000005740000-0x00000000057D2000-memory.dmp
memory/5056-4-0x0000000005730000-0x0000000005740000-memory.dmp
memory/5056-5-0x0000000005680000-0x00000000056E6000-memory.dmp
memory/5056-6-0x0000000005B80000-0x0000000005B92000-memory.dmp
memory/5056-7-0x0000000006970000-0x00000000069AC000-memory.dmp
memory/5056-8-0x00000000070B0000-0x00000000070BA000-memory.dmp
memory/5056-9-0x0000000074970000-0x0000000075120000-memory.dmp
memory/5056-10-0x0000000005730000-0x0000000005740000-memory.dmp