General
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Target
cb0567590c710f7eba3c49de82300d1fa12d5ac88d9e433e7836ff37a1341ca6
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Size
701KB
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Sample
221230-ag51jaee49
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MD5
0cb93ee54fd019f1d3634196c707d6df
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SHA1
804d9e8bb7ad48a748e1f6be622a99eb89d3ece7
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SHA256
821ad8b6e0baa3a7459435b1a2be7daa3e9842dfba69ef36de4bc1078fd58ed3
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SHA512
b10c6d30fe9c1f04e1862957fee94c44240de27f06b806f8d3875318c31d5260e77b909df3adf0d043505ddb32a40bbf2b0ad1577601510992c5438a84d17d70
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SSDEEP
12288:xAKNaRan+3sTHgHKzomcXiCpCsfYnuEkTM2qoK3Wc0CdeBd/D:hQY+3U4QfadYn3kjqoK3Wc0Cm7
Static task
static1
Behavioral task
behavioral1
Sample
cb0567590c710f7eba3c49de82300d1fa12d5ac88d9e433e7836ff37a1341ca6.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
cb0567590c710f7eba3c49de82300d1fa12d5ac88d9e433e7836ff37a1341ca6.exe
Resource
win10v2004-20221111-en
Malware Config
Extracted
djvu
http://ex3mall.com/test1/get.php
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extension
.znsm
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offline_id
bE95c2N1x4fARf4W3qmFCjkKPwfFkQaU9NpNBMt1
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payload_url
http://uaery.top/dl/build2.exe
http://ex3mall.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
1.7
19
https://t.me/robloxblackl
https://steamcommunity.com/profiles/76561199458928097
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profile_id
19
Targets
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Target
cb0567590c710f7eba3c49de82300d1fa12d5ac88d9e433e7836ff37a1341ca6
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Size
807KB
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MD5
50da2529025604e6a78c06a73a43e1ac
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SHA1
db1494110bf45a6ad396378a413a37ba34a30521
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SHA256
cb0567590c710f7eba3c49de82300d1fa12d5ac88d9e433e7836ff37a1341ca6
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SHA512
8c2652872a68cde59355fa593b4aea494692a42fea6015d9b4a85796811e55bd1f5e3f0b32754e89e5aefb3556669d635dbaf71de215dd163c35960dc8698e5c
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SSDEEP
12288:ZoJC2RunI3sjjEL8zAmIXwCpWsfYni4kTMsqoKlWc09k4BjdYU:M0I36ayDapYndkDqoKlWc09k4BBY
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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