General
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Target
a2b1f3e4ac9ff672ca1a7818e96da6b763fee6d95e2aa0fee41939b48ea6075d
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Size
745KB
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Sample
220425-m88lysgbck
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MD5
56d43895c49eb63df6d486be8350a1c3
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SHA1
dfd2800c3fccd3e1a40917722ea1faa6c869022f
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SHA256
a2b1f3e4ac9ff672ca1a7818e96da6b763fee6d95e2aa0fee41939b48ea6075d
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SHA512
54339b7813c214213156156b9976d94218e48dd7a0db894227d9f44361990f75a5e2884ddf31d51bb99832f66c5a0dc98e32832c3a2a5170d35b6a362284f7f3
Static task
static1
Behavioral task
behavioral1
Sample
a2b1f3e4ac9ff672ca1a7818e96da6b763fee6d95e2aa0fee41939b48ea6075d.exe
Resource
win10v2004-20220414-en
Malware Config
Extracted
djvu
http://fuyt.org/test1/get.php
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extension
.msjd
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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
a2b1f3e4ac9ff672ca1a7818e96da6b763fee6d95e2aa0fee41939b48ea6075d
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Size
745KB
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MD5
56d43895c49eb63df6d486be8350a1c3
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SHA1
dfd2800c3fccd3e1a40917722ea1faa6c869022f
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SHA256
a2b1f3e4ac9ff672ca1a7818e96da6b763fee6d95e2aa0fee41939b48ea6075d
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SHA512
54339b7813c214213156156b9976d94218e48dd7a0db894227d9f44361990f75a5e2884ddf31d51bb99832f66c5a0dc98e32832c3a2a5170d35b6a362284f7f3
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Detected Djvu ransomware
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suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
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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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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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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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