General
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Target
b472ba768782bdf7d81f0521fd40e20544b225599cc67b906f672e9ee68cabb8
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Size
749KB
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Sample
230328-e5zkwaag4x
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MD5
6dc08c51b41a14f879fc1a3e6591fdcc
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SHA1
cbf90fee4fd7509cbd4974df2b4d4925bf4ef736
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SHA256
b472ba768782bdf7d81f0521fd40e20544b225599cc67b906f672e9ee68cabb8
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SHA512
561245e79d108db3bd0558d88223778e3e282889b246cc3b788634faf97ccccc580637e7731f765b2eb373b7f10d96615824728bdb1ba6bdd66fa0bcbad42f7d
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SSDEEP
12288:Mv76GqhkoVDGD+HH1YzAnowzkFPkbrsR/6MQ98w212joDEoaDHUKnx2pCkX/Byvu:Mv+DhTYzAxA71w212joIxs/XZq96H
Static task
static1
Behavioral task
behavioral1
Sample
b472ba768782bdf7d81f0521fd40e20544b225599cc67b906f672e9ee68cabb8.exe
Resource
win10v2004-20230220-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
3.1
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
b472ba768782bdf7d81f0521fd40e20544b225599cc67b906f672e9ee68cabb8
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Size
749KB
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MD5
6dc08c51b41a14f879fc1a3e6591fdcc
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SHA1
cbf90fee4fd7509cbd4974df2b4d4925bf4ef736
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SHA256
b472ba768782bdf7d81f0521fd40e20544b225599cc67b906f672e9ee68cabb8
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SHA512
561245e79d108db3bd0558d88223778e3e282889b246cc3b788634faf97ccccc580637e7731f765b2eb373b7f10d96615824728bdb1ba6bdd66fa0bcbad42f7d
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SSDEEP
12288:Mv76GqhkoVDGD+HH1YzAnowzkFPkbrsR/6MQ98w212joDEoaDHUKnx2pCkX/Byvu:Mv+DhTYzAxA71w212joIxs/XZq96H
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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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