General
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Target
cb0567590c710f7eba3c49de82300d1fa12d5ac88d9e433e7836ff37a1341ca6
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Size
701KB
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Sample
221230-a8jllsef32
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MD5
34ff7301428fcbe1241e6c1c94f3e936
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SHA1
0da477475317b2d62ff97e74ce62b40ff4d18e05
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SHA256
60e7f0cb41ec23bdcabf3ccb3f050ba492bea628c2e3860b338d0209c50264f1
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SHA512
091045ba2f8b998d958d0e918900632949247590920a4bfe571bc4ae15935da36859f5ae926565023b8b04ebb3e4311a62bddabb321771188d5f91c36ccc6d6a
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SSDEEP
12288:wAKNaRan+3sTHgHKzomcXiCpCsfYnuEkTM2qoK3Wc0CdeBd/m:wQY+3U4QfadYn3kjqoK3Wc0Cmu
Static task
static1
Behavioral task
behavioral1
Sample
cb0567590c710f7eba3c49de82300d1fa12d5ac88d9e433e7836ff37a1341ca6.exe
Resource
win7-20221111-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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