Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
08-12-2024 04:19
General
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Target
e89bf9f9f461c14c2358cd5de1c1f1fcf6ecb18c0a978330e64263a863b19603.exe
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Size
349KB
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MD5
1b6cc280bdeeffba345f6cf8b11c2ee8
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SHA1
f76fd450a43cf4ac5a86c8172f5edb89538bd489
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SHA256
e89bf9f9f461c14c2358cd5de1c1f1fcf6ecb18c0a978330e64263a863b19603
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SHA512
58768ae5f0f559c08f4247f97e934b1aa252e1d913845b10fcee35e9ee807fb03ba6f81a74a821b4dead719a6195f49a3201daf55f471f5ad2aeea662366f88c
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SSDEEP
6144:uKMJx4pweP7kJS3i+fcwiGSUPhKA6DPusEbjL1+vcZlWE/tgE9h:uKoSUGVPF6DPus05ZlWECE9h
Malware Config
Extracted
quasar
1.3.0.0
Office04
192.168.255.139:4782
QSR_MUTEX_ZZPYrLvQ79yjfe7PwK
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encryption_key
lrTFvNaa5qg78NZPgIUJ
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Quasar Client Startup
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subdirectory
SubDir
Signatures
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Quasar RAT
Quasar is an open source Remote Access Tool.
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Quasar family
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Quasar payload 1 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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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.
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
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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
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Filesize
4KB
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Filesize
376KB
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Filesize
5.6MB
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Filesize
584KB
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Filesize
7.7MB
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Filesize
408KB
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Filesize
72KB
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Filesize
240KB
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Filesize
4KB
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Filesize
7.7MB
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Filesize
40KB