General
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Target
124c380edb97a580f2cf36d9c61b1e5f3d8d0af3479d38aefa2de2c412993c88
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Size
780KB
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Sample
211021-bkcntshga5
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MD5
497026e9823732acf829ca2bdadc7c34
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SHA1
35614b249134075d4ed8eb9821ed99fbbbf10afe
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SHA256
124c380edb97a580f2cf36d9c61b1e5f3d8d0af3479d38aefa2de2c412993c88
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SHA512
1861ea3682e99b0c4aab637bd337cc6c8b250c353076862d91774dc9f1f16e3ac1bc9cc777406a497dc575c7bc6f3df806da87de50bbcf4baf8d12e0c000b583
Static task
static1
Behavioral task
behavioral1
Sample
124c380edb97a580f2cf36d9c61b1e5f3d8d0af3479d38aefa2de2c412993c88.exe
Resource
win10-en-20211014
Malware Config
Extracted
vidar
41.5
517
https://mas.to/@xeroxxx
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profile_id
517
Extracted
djvu
http://rlrz.org/fhsgtsspen6
Targets
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Target
124c380edb97a580f2cf36d9c61b1e5f3d8d0af3479d38aefa2de2c412993c88
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Size
780KB
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MD5
497026e9823732acf829ca2bdadc7c34
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SHA1
35614b249134075d4ed8eb9821ed99fbbbf10afe
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SHA256
124c380edb97a580f2cf36d9c61b1e5f3d8d0af3479d38aefa2de2c412993c88
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SHA512
1861ea3682e99b0c4aab637bd337cc6c8b250c353076862d91774dc9f1f16e3ac1bc9cc777406a497dc575c7bc6f3df806da87de50bbcf4baf8d12e0c000b583
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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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