General
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Target
6b29cfbf1c17a42cddb1ba0c59e12415c6f92e4d7a6801843d962dd3450da691
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Size
749KB
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Sample
230331-j78nsaha33
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MD5
000cdd6ad80463f0968baee750081753
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SHA1
7226a1d8fa00db3020575dbdc93d9b51330b055d
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SHA256
6b29cfbf1c17a42cddb1ba0c59e12415c6f92e4d7a6801843d962dd3450da691
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SHA512
16516e18395e4e70642c3df5c6c7917fef0d38b965f0698ef9b4cc5d1609c654e2c4e549d2e6adc24672007187318b03fed4023b03dff17938f358a621937304
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SSDEEP
12288:gS4DiSyEPANP9SGkVe2NhfInag8xp5XiE2+8Cs7vaHPetFNgqZYXZkizb:gFiXpFKKsxHS9+Bs7vaHPetQqZYpV
Static task
static1
Behavioral task
behavioral1
Sample
6b29cfbf1c17a42cddb1ba0c59e12415c6f92e4d7a6801843d962dd3450da691.exe
Resource
win10-20230220-en
Malware Config
Extracted
djvu
http://zexeq.com/test2/get.php
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extension
.jywd
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offline_id
MEMHlobHgXqvmTWaMsLcwGZhDOd00bblO1yevst1
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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
3.2
5df88deb5dde677ba658b77ad5f60248
https://steamcommunity.com/profiles/76561199489580435
https://t.me/tabootalks
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profile_id_v2
5df88deb5dde677ba658b77ad5f60248
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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
6b29cfbf1c17a42cddb1ba0c59e12415c6f92e4d7a6801843d962dd3450da691
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Size
749KB
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MD5
000cdd6ad80463f0968baee750081753
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SHA1
7226a1d8fa00db3020575dbdc93d9b51330b055d
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SHA256
6b29cfbf1c17a42cddb1ba0c59e12415c6f92e4d7a6801843d962dd3450da691
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SHA512
16516e18395e4e70642c3df5c6c7917fef0d38b965f0698ef9b4cc5d1609c654e2c4e549d2e6adc24672007187318b03fed4023b03dff17938f358a621937304
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SSDEEP
12288:gS4DiSyEPANP9SGkVe2NhfInag8xp5XiE2+8Cs7vaHPetFNgqZYXZkizb:gFiXpFKKsxHS9+Bs7vaHPetQqZYpV
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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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