General
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Target
3181c88c10c1b577d63e5e61ec9be8b8bed235441fa5c2254f9b40c4406dbab6
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Size
839KB
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Sample
211207-az22laadf8
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MD5
af7bf423dccb7b448a0c23f056cdc335
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SHA1
21d8c6a321996dd48a7d49723205f7adbf392e2b
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SHA256
3181c88c10c1b577d63e5e61ec9be8b8bed235441fa5c2254f9b40c4406dbab6
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SHA512
232290296f71e7652a6c05001f95d56f6a6011759093b42712c3f0b5e00af1fb12c829f5fdf229b1ac07765511bfad34f6cd4ec5731a1031c09caed52edc5488
Static task
static1
Behavioral task
behavioral1
Sample
3181c88c10c1b577d63e5e61ec9be8b8bed235441fa5c2254f9b40c4406dbab6.exe
Resource
win10-en-20211104
Malware Config
Extracted
djvu
http://tzgl.org/lancer/get.php
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extension
.hgsh
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offline_id
gYuqQ5GsAaJom08TivUVhlPzZDKd916x4NcXrWt1
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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
48.9
517
https://qoto.org/@mniami
https://noc.social/@menaomi
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profile_id
517
Targets
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Target
3181c88c10c1b577d63e5e61ec9be8b8bed235441fa5c2254f9b40c4406dbab6
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Size
839KB
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MD5
af7bf423dccb7b448a0c23f056cdc335
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SHA1
21d8c6a321996dd48a7d49723205f7adbf392e2b
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SHA256
3181c88c10c1b577d63e5e61ec9be8b8bed235441fa5c2254f9b40c4406dbab6
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SHA512
232290296f71e7652a6c05001f95d56f6a6011759093b42712c3f0b5e00af1fb12c829f5fdf229b1ac07765511bfad34f6cd4ec5731a1031c09caed52edc5488
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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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