General
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Target
CraxsRat 4.0.1.zip
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Size
144.7MB
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Sample
230511-y152mscg3t
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MD5
8a50e7c45a5e3f997cc5977877905cd4
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SHA1
69322ab4e93846603acdf50d778721766ec76515
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SHA256
330be9927418eca24b6b0acadec70a2ebcdccfd9b3a7588ef4e707bf85c76502
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SHA512
360f6b1aac4648a45b653fb7bd1a91007093ae535e855c043b301240e47cf19f4d78442f080b869a52c62bc3386068afb77b42b8a98349eab780eb39b45d6b14
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SSDEEP
3145728:S5mk2EklYF4YYkSO7Wkf9Pb2OE9Mfg9rLrCLVnwXZmYc7qHE:S5mkrMu46SZS9W9MIZL+VwJmLqHE
Static task
static1
Behavioral task
behavioral1
Sample
CraxsRat 4.0.1.zip
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
CraxsRat 4.0.1.zip
Resource
win10v2004-20230220-en
Malware Config
Extracted
https://rentry.org/nipkv/raw
Extracted
Protocol: smtp- Host:
smtp.zoho.com - Port:
587 - Username:
[email protected] - Password:
Nescau71#
Targets
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Target
CraxsRat 4.0.1.zip
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Size
144.7MB
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MD5
8a50e7c45a5e3f997cc5977877905cd4
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SHA1
69322ab4e93846603acdf50d778721766ec76515
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SHA256
330be9927418eca24b6b0acadec70a2ebcdccfd9b3a7588ef4e707bf85c76502
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SHA512
360f6b1aac4648a45b653fb7bd1a91007093ae535e855c043b301240e47cf19f4d78442f080b869a52c62bc3386068afb77b42b8a98349eab780eb39b45d6b14
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SSDEEP
3145728:S5mk2EklYF4YYkSO7Wkf9Pb2OE9Mfg9rLrCLVnwXZmYc7qHE:S5mkrMu46SZS9W9MIZL+VwJmLqHE
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Suspicious use of NtCreateUserProcessOtherParentProcess
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NirSoft MailPassView
Password recovery tool for various email clients
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NirSoft WebBrowserPassView
Password recovery tool for various web browsers
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Nirsoft
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Blocklisted process makes network request
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Downloads MZ/PE file
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Stops running service(s)
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Executes dropped EXE
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Uses the VBS compiler for execution
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Accesses Microsoft Outlook accounts
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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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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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Suspicious use of SetThreadContext
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