General
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Target
7b7489c52969cc441976bb033c800a49d466c51683185e8897d92b1cfe6c4e30
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Size
723KB
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Sample
221019-b9awjaede3
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MD5
3f0243840b11cde6e42ed34b808bb702
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SHA1
04965eb2dd0928a26f660749733584675397a0f2
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SHA256
7b7489c52969cc441976bb033c800a49d466c51683185e8897d92b1cfe6c4e30
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SHA512
99a5a59000b8140e6274efc4906f9f07b7aa448d955b0ff82a6495ab828fe7f4eb0e8dbca7e3650ef00106be9fe8551c464009794db9a3fac044893cdcc273fc
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SSDEEP
12288:5CfqprkNNzuL1kiwCOSaJT5m8GcZQ6E3Z0kxf3eZzEOD8kf+bxO2soVjkS:5C8SewqoT5m8G43Axf3dKGbx4oVj
Static task
static1
Behavioral task
behavioral1
Sample
7b7489c52969cc441976bb033c800a49d466c51683185e8897d92b1cfe6c4e30.exe
Resource
win10v2004-20220901-en
Malware Config
Extracted
djvu
http://winnlinne.com/test1/get.php
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extension
.tuis
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offline_id
Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1
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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
55
517
https://t.me/truewallets
https://mas.to/@zara99
http://116.203.10.3:80
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profile_id
517
Targets
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Target
7b7489c52969cc441976bb033c800a49d466c51683185e8897d92b1cfe6c4e30
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Size
723KB
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MD5
3f0243840b11cde6e42ed34b808bb702
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SHA1
04965eb2dd0928a26f660749733584675397a0f2
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SHA256
7b7489c52969cc441976bb033c800a49d466c51683185e8897d92b1cfe6c4e30
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SHA512
99a5a59000b8140e6274efc4906f9f07b7aa448d955b0ff82a6495ab828fe7f4eb0e8dbca7e3650ef00106be9fe8551c464009794db9a3fac044893cdcc273fc
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SSDEEP
12288:5CfqprkNNzuL1kiwCOSaJT5m8GcZQ6E3Z0kxf3eZzEOD8kf+bxO2soVjkS:5C8SewqoT5m8G43Axf3dKGbx4oVj
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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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