Analysis
- max time kernel
142s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20231025-en - resource tags
- submitted
26/10/2023, 18:25
General
- Target NEAS.3764d5269cce0d687d2004f7ded8672abffe660a3140e046a8265ecb89053049exe_JC.exe
- Size 288KB
- Sample231026-w2x2baff29
- SHA256 3764d5269cce0d687d2004f7ded8672abffe660a3140e046a8265ecb89053049
Malware Config
Extracted
-
quasar
-
1.4.0.0
-
Defender_Bypass
-
burk2n.dynu.net:4782
-
IJy39X1DtiAJigDyVP
-
encryption_key
ZUQJuN27rjP6OlfAri54
-
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
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\NEAS.3764d5269cce0d687d2004f7ded8672abffe660a3140e046a8265ecb89053049exe_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.3764d5269cce0d687d2004f7ded8672abffe660a3140e046a8265ecb89053049exe_JC.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/4584-0-0x00000000008F0000-0x000000000093E000-memory.dmp
memory/4584-1-0x0000000075080000-0x0000000075830000-memory.dmp
memory/4584-2-0x00000000059D0000-0x0000000005F74000-memory.dmp
memory/4584-3-0x0000000005420000-0x00000000054B2000-memory.dmp
memory/4584-4-0x0000000005330000-0x0000000005340000-memory.dmp
memory/4584-5-0x0000000005340000-0x00000000053A6000-memory.dmp
memory/4584-6-0x00000000059A0000-0x00000000059B2000-memory.dmp
memory/4584-7-0x00000000065A0000-0x00000000065DC000-memory.dmp
memory/4584-9-0x0000000006910000-0x000000000691A000-memory.dmp
memory/4584-10-0x0000000075080000-0x0000000075830000-memory.dmp
memory/4584-11-0x0000000005330000-0x0000000005340000-memory.dmp