General
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Target
b07ff2183904731e4905b1bc1e23d24e
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Size
31KB
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Sample
231219-1yjfzaggg2
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MD5
b07ff2183904731e4905b1bc1e23d24e
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SHA1
3fe14bbf67d25bfa3b9d06f5f1fc7812aa28a687
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SHA256
3a03530c732ebe53cdd7c17bee0988896d36c2b632dbd6118613697c2af82117
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SHA512
e7774b76759952979bac48a5f1a24808d957181d5720393f16cfb6af054253a47fd63c9f068203eb2433ff768979c59043f9f4a52cf734f375583ddaba478c4d
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SSDEEP
768:TOdT6nmM1SJbpRP4EBg6AXTOJvFQ9z8CYI3j3i4O7D:Cdmnvgd4EeszQxXYIm
Static task
static1
Behavioral task
behavioral1
Sample
b07ff2183904731e4905b1bc1e23d24e.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
b07ff2183904731e4905b1bc1e23d24e.exe
Resource
win10v2004-20231215-en
Malware Config
Extracted
blackmatter
1.2
Extracted
C:\Users\Admin\5XCNh4eNc.README.txt
blackmatter
http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/GDBJS76DH3D4IKQD2QO7R
Targets
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Target
b07ff2183904731e4905b1bc1e23d24e
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Size
31KB
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MD5
b07ff2183904731e4905b1bc1e23d24e
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SHA1
3fe14bbf67d25bfa3b9d06f5f1fc7812aa28a687
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SHA256
3a03530c732ebe53cdd7c17bee0988896d36c2b632dbd6118613697c2af82117
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SHA512
e7774b76759952979bac48a5f1a24808d957181d5720393f16cfb6af054253a47fd63c9f068203eb2433ff768979c59043f9f4a52cf734f375583ddaba478c4d
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SSDEEP
768:TOdT6nmM1SJbpRP4EBg6AXTOJvFQ9z8CYI3j3i4O7D:Cdmnvgd4EeszQxXYIm
Score10/10-
BlackMatter Ransomware
BlackMatter ransomware group claims to be Darkside and REvil succesor.
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Renames multiple (152) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Sets desktop wallpaper using registry
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Suspicious use of NtSetInformationThreadHideFromDebugger
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