Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
28/12/2023, 22:55
General
- Target fe353fe43c1cca454ab7dec340de5fe5.exe
- Size 5.1MB
- Sample231228-2v76labha9
- SHA256 24520b47857fb9bf8e12eaee60ac2b7ba62373b2822e180e0b20f75fd2987cf6
Score
10/10
Malware Config
Extracted
Family
-
quasar
Version
-
1.4.0
Botnet
-
Office04
C2
-
127.0.0.1:4782
Mutex
-
aecbbbe6-27df-44d1-ad77-4a664950cfb8
Attributes
-
encryption_key
743062375D40E5AA28B42E34C8CE9A6D6F47E6DD
-
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
- Adds Run key to start application 2 TTPs 1 IoCs
- Program crash 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\fe353fe43c1cca454ab7dec340de5fe5.exe"C:\Users\Admin\AppData\Local\Temp\fe353fe43c1cca454ab7dec340de5fe5.exe"1⤵
- Adds Run key to start application
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3724 -s 9842⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3724 -ip 37241⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/3724-1-0x0000000000410000-0x0000000000930000-memory.dmp
memory/3724-0-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/3724-2-0x0000000005340000-0x00000000053DC000-memory.dmp
memory/3724-3-0x0000000005990000-0x0000000005F34000-memory.dmp
memory/3724-5-0x00000000053E0000-0x0000000005464000-memory.dmp
memory/3724-6-0x0000000074AB0000-0x0000000075260000-memory.dmp