General
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Target
da7fefa46392af888756e4f07e9de3277acdf63c6d9716955f94b3f871ba018d
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Size
721KB
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Sample
230329-qjet5agd82
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MD5
3429d5d917ca4bf26adef752c2a81209
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SHA1
0e9c4b03b44cc86b6f05ed2281efa8ac618337d5
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SHA256
da7fefa46392af888756e4f07e9de3277acdf63c6d9716955f94b3f871ba018d
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SHA512
d2d8d9d56abee9e67b54571bbd9385b11a0a8571020748bd3798d9e1405c4bb9ae376be14a12371049010db6adabacdf975a0566e3098edb379dfcc7b73ec4fb
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SSDEEP
12288:lCOFrMzpAMf9QJt2scmoqlLmdnkGwJ7ha6HwIeyT/vA2/QkFEpsSQJynBo:lrrMb9fsCgLmdnjwJFxJeyUhiEdnBo
Static task
static1
Behavioral task
behavioral1
Sample
da7fefa46392af888756e4f07e9de3277acdf63c6d9716955f94b3f871ba018d.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
da7fefa46392af888756e4f07e9de3277acdf63c6d9716955f94b3f871ba018d
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Size
721KB
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MD5
3429d5d917ca4bf26adef752c2a81209
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SHA1
0e9c4b03b44cc86b6f05ed2281efa8ac618337d5
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SHA256
da7fefa46392af888756e4f07e9de3277acdf63c6d9716955f94b3f871ba018d
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SHA512
d2d8d9d56abee9e67b54571bbd9385b11a0a8571020748bd3798d9e1405c4bb9ae376be14a12371049010db6adabacdf975a0566e3098edb379dfcc7b73ec4fb
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SSDEEP
12288:lCOFrMzpAMf9QJt2scmoqlLmdnkGwJ7ha6HwIeyT/vA2/QkFEpsSQJynBo:lrrMb9fsCgLmdnjwJFxJeyUhiEdnBo
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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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