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General
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Target
b5ee9c8d8eeda2a4b0d51a641cb155a53896032a9a1c2bb38dccb5777d3ec0cb
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Size
783KB
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Sample
230326-kvfynsga35
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MD5
7ed2d30ac125f9d5825948a04f8a0b51
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SHA1
117d30a0ef211e58f13e044d016ce130d0f2c65f
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SHA256
b5ee9c8d8eeda2a4b0d51a641cb155a53896032a9a1c2bb38dccb5777d3ec0cb
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SHA512
5cbb8e8cc384203d42f0b31b5183348935fa33d4a275d98d3550b4270030458699db1e472a0d40da8c882cbf4443ae5250d4c2dc17e39022d2f7bd50c2c327a3
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SSDEEP
24576:rXKmCoyKCjKtxjMtO/Q0IV/Almxy4TjqyLXtInXIBN:rllCmt2IZIV/AaxrAI
Static task
static1
Behavioral task
behavioral1
Sample
b5ee9c8d8eeda2a4b0d51a641cb155a53896032a9a1c2bb38dccb5777d3ec0cb.exe
Resource
win10v2004-20230221-en
Malware Config
Extracted
djvu
http://zexeq.com/lancer/get.php
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extension
.typo
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offline_id
Yao2o6f5vNghOpgVBhEIA8O96SC5vLcgITgaRMt1
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payload_url
http://uaery.top/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
3.1
00d92484c9b27bc8482a2cc94cacc508
https://steamcommunity.com/profiles/76561199472266392
https://t.me/tabootalks
http://135.181.26.183:80
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profile_id_v2
00d92484c9b27bc8482a2cc94cacc508
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user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79
Targets
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Target
b5ee9c8d8eeda2a4b0d51a641cb155a53896032a9a1c2bb38dccb5777d3ec0cb
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Size
783KB
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MD5
7ed2d30ac125f9d5825948a04f8a0b51
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SHA1
117d30a0ef211e58f13e044d016ce130d0f2c65f
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SHA256
b5ee9c8d8eeda2a4b0d51a641cb155a53896032a9a1c2bb38dccb5777d3ec0cb
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SHA512
5cbb8e8cc384203d42f0b31b5183348935fa33d4a275d98d3550b4270030458699db1e472a0d40da8c882cbf4443ae5250d4c2dc17e39022d2f7bd50c2c327a3
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SSDEEP
24576:rXKmCoyKCjKtxjMtO/Q0IV/Almxy4TjqyLXtInXIBN:rllCmt2IZIV/AaxrAI
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Detected Djvu ransomware
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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