General
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Target
af9ac6f4c2ca1f65bbca1fb300a0d8236251f9e8809604a983cd2a6f65f1056a
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Size
729KB
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Sample
221011-dk8glscbgl
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MD5
bba9587a1586f818e4dcb95e037e45f3
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SHA1
d46356d5818a1c690b253593aad01608acbd6887
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SHA256
af9ac6f4c2ca1f65bbca1fb300a0d8236251f9e8809604a983cd2a6f65f1056a
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SHA512
7fbae41b74ae62e9b90811d7311ebd71fe2c0a29790eeb623e8fb936a6aa0cedc36302e17c3f2bc6fe6f19ca046e0c4dcf2115f41d7eeade0c3f5286dede40ad
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SSDEEP
12288:V821q/YBoJ5l852f+Jn9LIBCccgI8O6M5AqzTtPv3pHCwkmLVKCKOAn:VnVuimUcpID4SHCwk5Xn
Static task
static1
Behavioral task
behavioral1
Sample
af9ac6f4c2ca1f65bbca1fb300a0d8236251f9e8809604a983cd2a6f65f1056a.exe
Resource
win10-20220901-en
Malware Config
Extracted
djvu
http://winnlinne.com/test1/get.php
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extension
.tohj
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offline_id
SSHsHMHGmSIhrz50VnIxLJJX15osxEQY6iXedXt1
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payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
54.9
517
https://t.me/larsenup
https://ioc.exchange/@zebra54
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profile_id
517
Targets
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Target
af9ac6f4c2ca1f65bbca1fb300a0d8236251f9e8809604a983cd2a6f65f1056a
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Size
729KB
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MD5
bba9587a1586f818e4dcb95e037e45f3
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SHA1
d46356d5818a1c690b253593aad01608acbd6887
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SHA256
af9ac6f4c2ca1f65bbca1fb300a0d8236251f9e8809604a983cd2a6f65f1056a
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SHA512
7fbae41b74ae62e9b90811d7311ebd71fe2c0a29790eeb623e8fb936a6aa0cedc36302e17c3f2bc6fe6f19ca046e0c4dcf2115f41d7eeade0c3f5286dede40ad
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SSDEEP
12288:V821q/YBoJ5l852f+Jn9LIBCccgI8O6M5AqzTtPv3pHCwkmLVKCKOAn:VnVuimUcpID4SHCwk5Xn
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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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