Analysis
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max time kernel
299s -
max time network
301s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
30-06-2024 19:32
Behavioral task
behavioral1
Sample
Uni.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
Uni.exe
Resource
win10v2004-20240508-en
General
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Target
Uni.exe
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Size
348KB
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MD5
2c6a48d7339cbf28d46ee837fd2c64b9
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SHA1
b72ed6d53b252117f4159908adbc6694e6d73dc5
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SHA256
45213c63aaaf31c6b3a20b632e6b6f0efcc5ca693528bff63d02752f48f17590
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SHA512
ee1ed8b2efcbc08f811a4fc85fa68ec7bc698bb8be9c4856f82113533097c5e960e03bac4a0fb45f53fa7fb3acff49e32a0ce585e427d6245b4c6106c56b573d
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SSDEEP
6144:d7EHwNHJsa2fqt+XoDk8Q/7ew6sQ2dD0S+AxE6mlZ8ebMZJLlKtCmIEOfYsQhm+P:txpsanAHKQmIVfYsQJie
Malware Config
Extracted
quasar
15.5.0
Crypted
147.185.221.20:49485
QSR_MUTEX_k8eftMEuU7a4TIUS2H
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encryption_key
7VNoqFBD2kgjE7AIWeFj
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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 payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2452-1-0x00000000008F0000-0x000000000094E000-memory.dmp family_quasar -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 1 ip-api.com -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Uni.exedescription pid process Token: SeDebugPrivilege 2452 Uni.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Uni.exepid process 2452 Uni.exe
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2452-0-0x0000000073B0E000-0x0000000073B0F000-memory.dmpFilesize
4KB
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memory/2452-1-0x00000000008F0000-0x000000000094E000-memory.dmpFilesize
376KB
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memory/2452-2-0x00000000055C0000-0x0000000005ABE000-memory.dmpFilesize
5.0MB
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memory/2452-3-0x00000000051C0000-0x0000000005252000-memory.dmpFilesize
584KB
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memory/2452-4-0x0000000073B00000-0x00000000741EE000-memory.dmpFilesize
6.9MB
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memory/2452-5-0x0000000005260000-0x00000000052C6000-memory.dmpFilesize
408KB
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memory/2452-6-0x0000000005E20000-0x0000000005E32000-memory.dmpFilesize
72KB
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memory/2452-7-0x0000000006210000-0x000000000624E000-memory.dmpFilesize
248KB
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memory/2452-9-0x0000000006680000-0x000000000668A000-memory.dmpFilesize
40KB
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memory/2452-10-0x0000000073B0E000-0x0000000073B0F000-memory.dmpFilesize
4KB
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memory/2452-11-0x0000000073B00000-0x00000000741EE000-memory.dmpFilesize
6.9MB