General
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Target
5941ff394c1b579d7e9d99cbc2f7fdd7e7a2998f2744e16c3ace35d49081a1f1
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Size
814KB
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Sample
220325-hatb6afcej
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MD5
a14720279a25c2635029d82e0b395d8d
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SHA1
492f8568c09739c0ec3eae755c301be067ba7c3a
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SHA256
5941ff394c1b579d7e9d99cbc2f7fdd7e7a2998f2744e16c3ace35d49081a1f1
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SHA512
4c4001b3232257376437c7696e17671f35dde68b9c86a21690edad93d91ae80e4811e4d7b217d252534c9d51d6a3d259d29e572466997932217886f7f57db71f
Static task
static1
Behavioral task
behavioral1
Sample
5941ff394c1b579d7e9d99cbc2f7fdd7e7a2998f2744e16c3ace35d49081a1f1.exe
Resource
win7-20220310-en
Malware Config
Extracted
quasar
2.1.0.0
shop
185.204.1.236:4521
VNM_MUTEX_1NgafS3xkifQY5TYWL
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encryption_key
5KaBFSa6AfCkIN5zPsZV
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install_name
$77loader.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
dllhost
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subdirectory
$77loader
Targets
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Target
5941ff394c1b579d7e9d99cbc2f7fdd7e7a2998f2744e16c3ace35d49081a1f1
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Size
814KB
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MD5
a14720279a25c2635029d82e0b395d8d
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SHA1
492f8568c09739c0ec3eae755c301be067ba7c3a
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SHA256
5941ff394c1b579d7e9d99cbc2f7fdd7e7a2998f2744e16c3ace35d49081a1f1
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SHA512
4c4001b3232257376437c7696e17671f35dde68b9c86a21690edad93d91ae80e4811e4d7b217d252534c9d51d6a3d259d29e572466997932217886f7f57db71f
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Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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Quasar Payload
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Executes dropped EXE
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL
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Adds Run key to start application
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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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