General
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Target
7f4e2de704c486318c7266625a87e5cac5553064af6dfa34f5d2478c13940611
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Size
726KB
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Sample
220423-d4l3qaabc7
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MD5
8439c7fc701a3fae3727bfe86f594848
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SHA1
1ab5d7a5c441fd1f622463cd2df99cfdd62e538d
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SHA256
7f4e2de704c486318c7266625a87e5cac5553064af6dfa34f5d2478c13940611
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SHA512
f2539cc48030f0abfbd2ac4d187571cd1cbd8c31807e5d34220316765ddbfdd250915974e6ad5c639d7a38bb9c672dede63e10af85f1805113559a2e872b9acc
Static task
static1
Behavioral task
behavioral1
Sample
7f4e2de704c486318c7266625a87e5cac5553064af6dfa34f5d2478c13940611.exe
Resource
win10-20220414-en
Malware Config
Extracted
djvu
http://fuyt.org/fhsgtsspen6/get.php
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extension
.dmay
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offline_id
Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1
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payload_url
http://zerit.top/dl/build2.exe
http://fuyt.org/files/1/build3.exe
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ransomnote
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Extracted
vidar
51.8
517
https://t.me/mm20220428
https://koyu.space/@ronxik123
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profile_id
517
Targets
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Target
7f4e2de704c486318c7266625a87e5cac5553064af6dfa34f5d2478c13940611
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Size
726KB
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MD5
8439c7fc701a3fae3727bfe86f594848
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SHA1
1ab5d7a5c441fd1f622463cd2df99cfdd62e538d
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SHA256
7f4e2de704c486318c7266625a87e5cac5553064af6dfa34f5d2478c13940611
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SHA512
f2539cc48030f0abfbd2ac4d187571cd1cbd8c31807e5d34220316765ddbfdd250915974e6ad5c639d7a38bb9c672dede63e10af85f1805113559a2e872b9acc
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Detected Djvu ransomware
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Vidar Stealer
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Downloads MZ/PE file
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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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