General
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Target
1fdfa298269a126db6b1c849f5eff4b6c68514adc80d487e3c45ffdd4e9eb16b
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Size
727KB
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Sample
220424-xrjxdahgf3
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MD5
d67643da0a32e3e03ff23a8001fae217
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SHA1
a7fde80251bdd4c4f7f001f66fa2e8a1a4277183
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SHA256
1fdfa298269a126db6b1c849f5eff4b6c68514adc80d487e3c45ffdd4e9eb16b
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SHA512
62f04a71e44c0399c802eaf33b9b0399c585080d309ecc1e882c27099f6a6ab2c9bd6d61e4f3943d196795856f966e6b95e57251324d3cbf70d8b2a597d65b2b
Static task
static1
Behavioral task
behavioral1
Sample
1fdfa298269a126db6b1c849f5eff4b6c68514adc80d487e3c45ffdd4e9eb16b.exe
Resource
win10v2004-20220414-en
Malware Config
Extracted
djvu
http://fuyt.org/test1/get.php
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extension
.msjd
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offline_id
Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1
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payload_url
http://zerit.top/dl/build2.exe
http://fuyt.org/files/1/build3.exe
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ransomnote
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Extracted
vidar
51.8
517
https://t.me/mm20220428
https://koyu.space/@ronxik123
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profile_id
517
Targets
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Target
1fdfa298269a126db6b1c849f5eff4b6c68514adc80d487e3c45ffdd4e9eb16b
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Size
727KB
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MD5
d67643da0a32e3e03ff23a8001fae217
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SHA1
a7fde80251bdd4c4f7f001f66fa2e8a1a4277183
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SHA256
1fdfa298269a126db6b1c849f5eff4b6c68514adc80d487e3c45ffdd4e9eb16b
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SHA512
62f04a71e44c0399c802eaf33b9b0399c585080d309ecc1e882c27099f6a6ab2c9bd6d61e4f3943d196795856f966e6b95e57251324d3cbf70d8b2a597d65b2b
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Detected Djvu ransomware
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Vidar Stealer
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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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