Analysis
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max time kernel
146s -
max time network
152s -
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 19:34
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/3244-1-0x0000000000EA0000-0x0000000000EFE000-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 3244 Uni.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Uni.exepid process 3244 Uni.exe
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/3244-0-0x000000007343E000-0x000000007343F000-memory.dmpFilesize
4KB
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memory/3244-1-0x0000000000EA0000-0x0000000000EFE000-memory.dmpFilesize
376KB
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memory/3244-2-0x0000000005CB0000-0x00000000061AE000-memory.dmpFilesize
5.0MB
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memory/3244-3-0x0000000005850000-0x00000000058E2000-memory.dmpFilesize
584KB
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memory/3244-4-0x0000000073430000-0x0000000073B1E000-memory.dmpFilesize
6.9MB
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memory/3244-5-0x00000000057B0000-0x0000000005816000-memory.dmpFilesize
408KB
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memory/3244-6-0x0000000005820000-0x0000000005832000-memory.dmpFilesize
72KB
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memory/3244-7-0x00000000067C0000-0x00000000067FE000-memory.dmpFilesize
248KB
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memory/3244-9-0x0000000006C30000-0x0000000006C3A000-memory.dmpFilesize
40KB
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memory/3244-10-0x000000007343E000-0x000000007343F000-memory.dmpFilesize
4KB
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memory/3244-11-0x0000000073430000-0x0000000073B1E000-memory.dmpFilesize
6.9MB