General
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Target
12af117bdc55ebd160b4888743c6cfe03ad50c1c7d31053827731873a9d73ac8
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Size
723KB
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Sample
221019-bdcp9aehem
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MD5
2b49b856f7c60a3cccd54a6aaee0e20d
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SHA1
1f1caaefcf8910ec8c14aed73ae6c539046a0c66
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SHA256
12af117bdc55ebd160b4888743c6cfe03ad50c1c7d31053827731873a9d73ac8
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SHA512
5666aa1e99713d984f58c4abc84030c6f7d2c867911409faf71db2c38dcf562b82578cfd37465ac282a73c22bd76891eeb86263ded6a4f0ad55ad83fca2f1631
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SSDEEP
12288:WCMHZMUSK1LUcpWIPba4wJbMX/VS3B1ekSkTEgB/AB4GGFKPP8j6qVC0fbQRFT:WC2MUSKVgKYJEe/AOGGMPUbVUR
Static task
static1
Behavioral task
behavioral1
Sample
12af117bdc55ebd160b4888743c6cfe03ad50c1c7d31053827731873a9d73ac8.exe
Resource
win10v2004-20220812-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
12af117bdc55ebd160b4888743c6cfe03ad50c1c7d31053827731873a9d73ac8
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Size
723KB
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MD5
2b49b856f7c60a3cccd54a6aaee0e20d
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SHA1
1f1caaefcf8910ec8c14aed73ae6c539046a0c66
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SHA256
12af117bdc55ebd160b4888743c6cfe03ad50c1c7d31053827731873a9d73ac8
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SHA512
5666aa1e99713d984f58c4abc84030c6f7d2c867911409faf71db2c38dcf562b82578cfd37465ac282a73c22bd76891eeb86263ded6a4f0ad55ad83fca2f1631
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SSDEEP
12288:WCMHZMUSK1LUcpWIPba4wJbMX/VS3B1ekSkTEgB/AB4GGFKPP8j6qVC0fbQRFT:WC2MUSKVgKYJEe/AOGGMPUbVUR
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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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