General
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Target
cb0567590c710f7eba3c49de82300d1fa12d5ac88d9e433e7836ff37a1341ca6
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Size
701KB
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Sample
221229-317mpaee33
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MD5
397b8b5f2e3b4bbfaa04bf8e8cc7b4ee
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SHA1
62525a5d1e1904590884d7c95b77e0b28e60796f
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SHA256
1f24fac3a33524b4247f57772e5e070e0bde531e181438e74971aa40943b46d7
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SHA512
ea2c055d8209543d956196dcd7aa6a339d437d838dbf0bf00d514141492104852de05bf5875f49629961aace62cb9a7faa2c5afd6254c71567c2cf17230fdc33
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SSDEEP
12288:/AKNaRan+3sTHgHKzomcXiCpCsfYnuEkTM2qoK3Wc0CdeBd/1:vQY+3U4QfadYn3kjqoK3Wc0Cmd
Static task
static1
Behavioral task
behavioral1
Sample
cb0567590c710f7eba3c49de82300d1fa12d5ac88d9e433e7836ff37a1341ca6.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
cb0567590c710f7eba3c49de82300d1fa12d5ac88d9e433e7836ff37a1341ca6.exe
Resource
win10v2004-20220812-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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