Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
08/12/2024, 04:10
General
- Target e89bf9f9f461c14c2358cd5de1c1f1fcf6ecb18c0a978330e64263a863b19603.exe
- Size 349KB
- Sample241208-ertgpssjht
- SHA256 e89bf9f9f461c14c2358cd5de1c1f1fcf6ecb18c0a978330e64263a863b19603
Malware Config
Extracted
-
quasar
-
1.3.0.0
-
Office04
-
192.168.255.139:4782
-
QSR_MUTEX_ZZPYrLvQ79yjfe7PwK
-
encryption_key
lrTFvNaa5qg78NZPgIUJ
-
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 family
- 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.
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e89bf9f9f461c14c2358cd5de1c1f1fcf6ecb18c0a978330e64263a863b19603.exe"C:\Users\Admin\AppData\Local\Temp\e89bf9f9f461c14c2358cd5de1c1f1fcf6ecb18c0a978330e64263a863b19603.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/3176-0-0x000000007523E000-0x000000007523F000-memory.dmp
memory/3176-1-0x0000000000700000-0x000000000075E000-memory.dmp
memory/3176-2-0x00000000056F0000-0x0000000005C94000-memory.dmp
memory/3176-3-0x00000000051E0000-0x0000000005272000-memory.dmp
memory/3176-4-0x0000000075230000-0x00000000759E0000-memory.dmp
memory/3176-5-0x0000000005280000-0x00000000052E6000-memory.dmp
memory/3176-6-0x00000000056B0000-0x00000000056C2000-memory.dmp
memory/3176-7-0x00000000063A0000-0x00000000063DC000-memory.dmp
memory/3176-8-0x000000007523E000-0x000000007523F000-memory.dmp
memory/3176-9-0x0000000075230000-0x00000000759E0000-memory.dmp
memory/3176-10-0x0000000006560000-0x000000000656A000-memory.dmp