General
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Target
9bcb463ced9f281fc45dd8570db4c7014ad437fd8ee9bd8d530911b3f25b7141
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Size
274KB
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Sample
221010-1x7r6sdehq
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MD5
e5b420b08c831674185ed35b1c5fa16b
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SHA1
c3eb72c03f27f8d27ddb11d0057f95612531ea70
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SHA256
9bcb463ced9f281fc45dd8570db4c7014ad437fd8ee9bd8d530911b3f25b7141
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SHA512
4e0916839b81f2bcbb9ef5e72929fd541ccc30fc39811546291a2d0827e44ea469c3b562e4e218b5a91fbe9d8a2759d52c82d52ed22d3522897390633d519566
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SSDEEP
3072:ZXdvKWGLChKDXSFnWD5fLgqF5wB/aIUMEvniR5w/DKYPXYO0h8M/h3qpZa9uD6Vq:9RKWGOhdWxLgHQvniRPmXH0arwVfquS
Static task
static1
Behavioral task
behavioral1
Sample
9bcb463ced9f281fc45dd8570db4c7014ad437fd8ee9bd8d530911b3f25b7141.exe
Resource
win10-20220812-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
9bcb463ced9f281fc45dd8570db4c7014ad437fd8ee9bd8d530911b3f25b7141
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Size
274KB
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MD5
e5b420b08c831674185ed35b1c5fa16b
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SHA1
c3eb72c03f27f8d27ddb11d0057f95612531ea70
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SHA256
9bcb463ced9f281fc45dd8570db4c7014ad437fd8ee9bd8d530911b3f25b7141
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SHA512
4e0916839b81f2bcbb9ef5e72929fd541ccc30fc39811546291a2d0827e44ea469c3b562e4e218b5a91fbe9d8a2759d52c82d52ed22d3522897390633d519566
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SSDEEP
3072:ZXdvKWGLChKDXSFnWD5fLgqF5wB/aIUMEvniR5w/DKYPXYO0h8M/h3qpZa9uD6Vq:9RKWGOhdWxLgHQvniRPmXH0arwVfquS
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Detected Djvu ransomware
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Detects Smokeloader packer
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Downloads MZ/PE file
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Executes dropped EXE
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Deletes itself
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Loads dropped DLL
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Modifies file permissions
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Accesses Microsoft Outlook profiles
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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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