Analysis
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max time kernel
298s -
max time network
303s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
30-05-2024 23:50
Behavioral task
behavioral1
Sample
Uni.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
Uni.exe
Resource
win10v2004-20240426-en
General
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Target
Uni.exe
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Size
409KB
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MD5
32efce8aac700ad0537f0834a2724133
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SHA1
1a771fb73b59381d965f82a1527a5b6f29e7312a
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SHA256
5279df302ea5593455036174afb4b5aa213645e1a39b679fb713e56d6ad6702f
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SHA512
5aaa48270830d3180b61bd9b2b5d79221fdb50fe3615afa7cdd56159a811e7cb29cd2078cac365d54259d7dea94aaaa8d6d6bcca8c5aa10c161412528a7ca220
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SSDEEP
12288:jpiREGJ1UQ4Csy+jxmkCLDwvZ0u+1TnscC2J:9wpJ78mkCLUvZr+hCQ
Malware Config
Extracted
quasar
3.1.5
Office04
runderscore00-25501.portmap.host:25501
$Sxr-enxCg9Guwcx91RRlfm
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encryption_key
ch8Yvy5yMUQU2xogQGGb
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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 behavioral2/memory/4516-1-0x0000000000AD0000-0x0000000000B3C000-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 7 ip-api.com -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Uni.exedescription pid process Token: SeDebugPrivilege 4516 Uni.exe