Analysis
- max time kernel
90s - max time network
131s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
09/04/2024, 16:50
General
- Target xRmat80DlHcR.exe
- Size 348KB
- Sample240409-vb8vfsgb9z
- SHA256 a681774e83e773eff9e6c4070a78b7fdb2839301ce1955cade51bd95af25abd3
Malware Config
Extracted
-
quasar
-
1.3.0.0
-
Office04
-
ppprosyl.con-ip.com:4001
-
QSR_MUTEX_l1M93VuqIyiH8hEQ4I
-
encryption_key
ucnCWAxHFqrqDWqAvywj
-
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\xRmat80DlHcR.exe"C:\Users\Admin\AppData\Local\Temp\xRmat80DlHcR.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1868-0-0x00000000008C0000-0x000000000091E000-memory.dmp
memory/1868-1-0x0000000074A70000-0x0000000075220000-memory.dmp
memory/1868-2-0x0000000005710000-0x0000000005CB4000-memory.dmp
memory/1868-3-0x0000000005260000-0x00000000052F2000-memory.dmp
memory/1868-4-0x0000000005250000-0x0000000005260000-memory.dmp
memory/1868-5-0x0000000005400000-0x0000000005466000-memory.dmp
memory/1868-6-0x0000000006030000-0x0000000006042000-memory.dmp
memory/1868-7-0x0000000006570000-0x00000000065AC000-memory.dmp
memory/1868-8-0x0000000006CB0000-0x0000000006CBA000-memory.dmp
memory/1868-9-0x0000000074A70000-0x0000000075220000-memory.dmp
memory/1868-10-0x0000000005250000-0x0000000005260000-memory.dmp