General
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Target
hi.bat
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Size
7.2MB
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Sample
250103-1qkn3axqfq
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MD5
2c3d8aae15c19f224cb8258dc002fb53
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SHA1
5797ad1149d6be6cbbb76df18abfa32e28cbc6a0
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SHA256
c96f6d22a11588fb645f45821a151ee6cce413cfc3b80a62f3717cc2ba809247
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SHA512
65e76fffd292b0cc442af65082fd5c7e2685c6bc9cbaa0597972598063e07a5ec2b8cf581d6d479e8266cecd984b7209b94f73b295b8f0fd661292583c19e9a7
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SSDEEP
49152:i2z4mBDgbmKEf2tj2UFBW14Hkp18YJAUv0ZA8fv3CzY1V6uSonph0DQMq6xKjKvX:d
Static task
static1
Behavioral task
behavioral1
Sample
hi.bat
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
hi.bat
Resource
win10v2004-20241007-en
Malware Config
Extracted
quasar
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encryption_key
853F98C0E8F31E6FF0C780CC65F601689B6EF3FD
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reconnect_delay
3000
Targets
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Target
hi.bat
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Size
7.2MB
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MD5
2c3d8aae15c19f224cb8258dc002fb53
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SHA1
5797ad1149d6be6cbbb76df18abfa32e28cbc6a0
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SHA256
c96f6d22a11588fb645f45821a151ee6cce413cfc3b80a62f3717cc2ba809247
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SHA512
65e76fffd292b0cc442af65082fd5c7e2685c6bc9cbaa0597972598063e07a5ec2b8cf581d6d479e8266cecd984b7209b94f73b295b8f0fd661292583c19e9a7
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SSDEEP
49152:i2z4mBDgbmKEf2tj2UFBW14Hkp18YJAUv0ZA8fv3CzY1V6uSonph0DQMq6xKjKvX:d
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Quasar family
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Quasar payload
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Blocklisted process makes network request
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Sets service image path in registry
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Executes dropped EXE
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Indicator Removal: Clear Windows Event Logs
Clear Windows Event Logs to hide the activity of an intrusion.
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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