Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
13-12-2024 10:03
General
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Target
hbfgjhhesfd.exe
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Size
288KB
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MD5
2b3a191ee1f6d3b21d03ee54aa40b604
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SHA1
8ecae557c2735105cc573d86820e81fcff0139c4
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SHA256
f0d45f8340cd203ee98c7765267175576d8017df5166f425f8a7483cb35a91c8
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SHA512
31f621fd96bf2964529607ae64a173c4a99f3976a91283a3609edc3799d98f59de80da6266ca10c26e5c8733644f1764aab00c7ba3e4dc5456573b9b20b6a393
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SSDEEP
6144:k7zO0LSclT6FOwEP5Kq+SMv0VGb7bDcllbken:alJtTF9zVGkllbkm
Malware Config
Extracted
quasar
1.4.0.0
Office
82.117.243.110:5173
edH11NGQWIdCwvLx00
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encryption_key
aGPuRaDerdUDJPrAfXtB
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install_name
csrss.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Framework
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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 2 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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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\hbfgjhhesfd.exe"C:\Users\Admin\AppData\Local\Temp\hbfgjhhesfd.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "Framework" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\hbfgjhhesfd.exe" /rl HIGHEST /f2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
4KB
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Filesize
312KB
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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
40KB
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Filesize
4KB
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Filesize
7.7MB