General
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Target
ef894d940115b4382997954bf79c1c8272b24ee479efc93d1b0b649133a457cb.ps1
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Size
2.1MB
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Sample
241202-emkzrstpfm
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MD5
f98a96a1061e03b2b06ce6092947351b
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SHA1
60fb05ecf864e0c716473876b6bb47605dae047c
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SHA256
ef894d940115b4382997954bf79c1c8272b24ee479efc93d1b0b649133a457cb
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SHA512
9395ae433da87e28cb6a9d9d16d5d814aa2b39d6d7b568d548c8705f673e001cfd3578e8b729c1c5b7d429049edb6609a502d949627ad28af34ba4065f675220
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SSDEEP
6144:DcVzJb1d4aU/hQVBJ2A7Is2Csr1Y5mH9OdHUb3ngoq:O
Static task
static1
Behavioral task
behavioral1
Sample
ef894d940115b4382997954bf79c1c8272b24ee479efc93d1b0b649133a457cb.ps1
Resource
win7-20240903-en
Malware Config
Extracted
quasar
1.3.0.0
Office04
ronymahmoud.casacam.net:4782
seznam.hopto.org:4782
QSR_MUTEX_mn85pQSh0eqrA3kPek
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encryption_key
EjggXOgdqRrj8wGQ7mTy
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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
Targets
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Target
ef894d940115b4382997954bf79c1c8272b24ee479efc93d1b0b649133a457cb.ps1
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Size
2.1MB
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MD5
f98a96a1061e03b2b06ce6092947351b
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SHA1
60fb05ecf864e0c716473876b6bb47605dae047c
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SHA256
ef894d940115b4382997954bf79c1c8272b24ee479efc93d1b0b649133a457cb
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SHA512
9395ae433da87e28cb6a9d9d16d5d814aa2b39d6d7b568d548c8705f673e001cfd3578e8b729c1c5b7d429049edb6609a502d949627ad28af34ba4065f675220
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SSDEEP
6144:DcVzJb1d4aU/hQVBJ2A7Is2Csr1Y5mH9OdHUb3ngoq:O
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Quasar family
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Quasar payload
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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