General
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Target
01fc2fda1064623e8fd8e8f3a1bba0236900a452deaed39d38bd33e9dd091639
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Size
752KB
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Sample
230216-tvwhssab8x
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MD5
534d976a72cd3eee7e9fe3960458d918
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SHA1
0450a4b0cfb73d4c40498f534a1a9355907bb467
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SHA256
01fc2fda1064623e8fd8e8f3a1bba0236900a452deaed39d38bd33e9dd091639
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SHA512
c5204c3bc648e466cbadb5787b9d96438708de892fefd82e26cadd87a6bd9bd3871f5adbaf9c6f184e038f38a987982582d3d43c2bb9d8f078897d114ce1c54d
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SSDEEP
12288:gxDq52+GbAMONozz+QYmbd1hD2r0iaGS74Nxm4KAbnqRIGlaFjXE8g3NK7Ig:gkT7PazpDAQidSM3xKQnY6jXcY7Ig
Static task
static1
Behavioral task
behavioral1
Sample
01fc2fda1064623e8fd8e8f3a1bba0236900a452deaed39d38bd33e9dd091639.exe
Resource
win10-20220812-en
Malware Config
Extracted
djvu
http://bihsy.com/test2/get.php
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extension
.hhee
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offline_id
dMMXkgwQTycP13C5xwPbHDSzhx1ZxiPgIMZXewt1
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payload_url
http://uaery.top/dl/build2.exe
http://bihsy.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
2.5
19
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profile_id
19
Targets
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Target
01fc2fda1064623e8fd8e8f3a1bba0236900a452deaed39d38bd33e9dd091639
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Size
752KB
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MD5
534d976a72cd3eee7e9fe3960458d918
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SHA1
0450a4b0cfb73d4c40498f534a1a9355907bb467
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SHA256
01fc2fda1064623e8fd8e8f3a1bba0236900a452deaed39d38bd33e9dd091639
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SHA512
c5204c3bc648e466cbadb5787b9d96438708de892fefd82e26cadd87a6bd9bd3871f5adbaf9c6f184e038f38a987982582d3d43c2bb9d8f078897d114ce1c54d
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SSDEEP
12288:gxDq52+GbAMONozz+QYmbd1hD2r0iaGS74Nxm4KAbnqRIGlaFjXE8g3NK7Ig:gkT7PazpDAQidSM3xKQnY6jXcY7Ig
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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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