General
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Target
dcb1005c081a16c250447d0d46a69fa2d47acd36cc26fa1d3393ea635df3db9d
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Size
704KB
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Sample
221201-l8434ace4s
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MD5
26e96edab85da2c8b6d52b8e1b98b3f7
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SHA1
d4cb3e75faf5d1407d5dc5cecd8df7f09e244415
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SHA256
dcb1005c081a16c250447d0d46a69fa2d47acd36cc26fa1d3393ea635df3db9d
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SHA512
5aad020fb2f0a109dca2674105818dd04e26c9b6303825df8495ab4ece5417c65d2601e33eca4d3072773bbd1ffff20f2b4462cd27facae6987ec7bff182e2e7
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SSDEEP
12288:NrgbEP1S8KK8FxZKMFAUS71PN5lfoNNKglgoNHehxOTB7FINDLP7hyz9ub/d0UyP:Bz1S8KxFxQ71loEoNvINvP7hyz9u6
Static task
static1
Behavioral task
behavioral1
Sample
dcb1005c081a16c250447d0d46a69fa2d47acd36cc26fa1d3393ea635df3db9d.exe
Resource
win10-20220812-en
Malware Config
Extracted
djvu
http://fresherlights.com/test1/get.php
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extension
.uyro
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offline_id
HtkmULXEgJoZa495hFUJlvKCD0OwnxklbkoITjt1
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payload_url
http://uaery.top/dl/build2.exe
http://fresherlights.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
56
517
https://t.me/asifrazatg
https://steamcommunity.com/profiles/76561199439929669
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profile_id
517
Targets
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Target
dcb1005c081a16c250447d0d46a69fa2d47acd36cc26fa1d3393ea635df3db9d
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Size
704KB
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MD5
26e96edab85da2c8b6d52b8e1b98b3f7
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SHA1
d4cb3e75faf5d1407d5dc5cecd8df7f09e244415
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SHA256
dcb1005c081a16c250447d0d46a69fa2d47acd36cc26fa1d3393ea635df3db9d
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SHA512
5aad020fb2f0a109dca2674105818dd04e26c9b6303825df8495ab4ece5417c65d2601e33eca4d3072773bbd1ffff20f2b4462cd27facae6987ec7bff182e2e7
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SSDEEP
12288:NrgbEP1S8KK8FxZKMFAUS71PN5lfoNNKglgoNHehxOTB7FINDLP7hyz9ub/d0UyP:Bz1S8KxFxQ71loEoNvINvP7hyz9u6
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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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