General
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Target
4d2dbd3728ab51ddeaae464a511383bde20aef6bc9bb51fd9a3649674798bbf7
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Size
853KB
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Sample
211129-f87w4aefb5
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MD5
e5dace11be0813ac14470c6f494a8864
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SHA1
038a29b6124bbd9a45ce87d0ad6156a2d34960b8
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SHA256
4d2dbd3728ab51ddeaae464a511383bde20aef6bc9bb51fd9a3649674798bbf7
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SHA512
cc11da1c7d8ac61b5701282e776410a60a91373ad42922bc57d0477d7e3d9616fd920d5901cd74999324c507d6106c37911fe0d613250ee4d2885f384826f339
Static task
static1
Behavioral task
behavioral1
Sample
4d2dbd3728ab51ddeaae464a511383bde20aef6bc9bb51fd9a3649674798bbf7.exe
Resource
win10-en-20211104
Malware Config
Extracted
djvu
http://tzgl.org/fhsgtsspen6/get.php
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extension
.rigj
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offline_id
Z5GGASEfY71jtxU3i3E8kzvrTJmY9oiZkjcSm0t1
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payload_url
http://kotob.top/dl/build2.exe
http://tzgl.org/files/1/build3.exe
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ransomnote
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Extracted
vidar
48.7
517
https://mstdn.social/@anapa
https://mastodon.social/@mniami
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profile_id
517
Targets
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Target
4d2dbd3728ab51ddeaae464a511383bde20aef6bc9bb51fd9a3649674798bbf7
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Size
853KB
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MD5
e5dace11be0813ac14470c6f494a8864
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SHA1
038a29b6124bbd9a45ce87d0ad6156a2d34960b8
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SHA256
4d2dbd3728ab51ddeaae464a511383bde20aef6bc9bb51fd9a3649674798bbf7
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SHA512
cc11da1c7d8ac61b5701282e776410a60a91373ad42922bc57d0477d7e3d9616fd920d5901cd74999324c507d6106c37911fe0d613250ee4d2885f384826f339
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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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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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