General
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Target
e2d98593c50b46eb4fb701ef852a73904d6dd370aa20f088e19f63e42d23ac5c
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Size
729KB
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Sample
221011-eqjk4sdge3
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MD5
4555e6b5a67eb2314c4e9aad8af423c4
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SHA1
8931b859d2ba4c82ca2a71cf68ef2d58093e125b
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SHA256
e2d98593c50b46eb4fb701ef852a73904d6dd370aa20f088e19f63e42d23ac5c
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SHA512
9c73da442aef14749e1ea0648b6da3e7e6c63200090f749732faf87080a8693d1a94a74e43b7f2bd4c0f5efe662df89e95510948b138f3954ad0fae51ab8d1dd
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SSDEEP
12288:4g+Q7cym7LcEQOwiMEbFUFd11O99WgCQMslVAS//KNlXlWdhAKK55sCd:4gtmsEL4EbFQPCPMsQS/yNlMjAnsCd
Static task
static1
Behavioral task
behavioral1
Sample
e2d98593c50b46eb4fb701ef852a73904d6dd370aa20f088e19f63e42d23ac5c.exe
Resource
win10-20220901-en
Malware Config
Extracted
djvu
http://winnlinne.com/lancer/get.php
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extension
.towz
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offline_id
SSHsHMHGmSIhrz50VnIxLJJX15osxEQY6iXedXt1
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payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
54.9
517
https://t.me/larsenup
https://ioc.exchange/@zebra54
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profile_id
517
Targets
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Target
e2d98593c50b46eb4fb701ef852a73904d6dd370aa20f088e19f63e42d23ac5c
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Size
729KB
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MD5
4555e6b5a67eb2314c4e9aad8af423c4
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SHA1
8931b859d2ba4c82ca2a71cf68ef2d58093e125b
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SHA256
e2d98593c50b46eb4fb701ef852a73904d6dd370aa20f088e19f63e42d23ac5c
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SHA512
9c73da442aef14749e1ea0648b6da3e7e6c63200090f749732faf87080a8693d1a94a74e43b7f2bd4c0f5efe662df89e95510948b138f3954ad0fae51ab8d1dd
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SSDEEP
12288:4g+Q7cym7LcEQOwiMEbFUFd11O99WgCQMslVAS//KNlXlWdhAKK55sCd:4gtmsEL4EbFQPCPMsQS/yNlMjAnsCd
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Detected Djvu ransomware
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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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