General
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Target
26a7146fbed74a17e9f2f18145063de07cc103ce53c75c8d79bbc5560235c345
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Size
80KB
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Sample
220124-aybs1sggh5
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MD5
471db2ef4582dc264ae95d2838f81588
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SHA1
b6e130a43134613c45f10f0160090e26ded4dd3c
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SHA256
26a7146fbed74a17e9f2f18145063de07cc103ce53c75c8d79bbc5560235c345
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SHA512
8319596227fff44191f7cb9b03d7f6b1b20d89f6e7a034773ddd6d631086c609a1caf2f4f53bd89516925427676a75496aef9dd8754a45cd38536bfb856ed7b6
Static task
static1
Behavioral task
behavioral1
Sample
26a7146fbed74a17e9f2f18145063de07cc103ce53c75c8d79bbc5560235c345.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
26a7146fbed74a17e9f2f18145063de07cc103ce53c75c8d79bbc5560235c345.exe
Resource
win10-en-20211208
Malware Config
Extracted
blackmatter
2.0
b61fd808b57c1cab3824a887857bf6a8
- Username:
administrator@parkhotel - Password:
Silvana7018
https://fluentzip.org
http://fluentzip.org
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attempt_auth
true
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create_mutex
true
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encrypt_network_shares
true
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exfiltrate
true
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mount_volumes
true
Extracted
C:\y2VGe3tGZ.README.txt
blackmatter
http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/EXJ0CFHWOZIISIE4NG3LT
Targets
-
-
Target
26a7146fbed74a17e9f2f18145063de07cc103ce53c75c8d79bbc5560235c345
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Size
80KB
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MD5
471db2ef4582dc264ae95d2838f81588
-
SHA1
b6e130a43134613c45f10f0160090e26ded4dd3c
-
SHA256
26a7146fbed74a17e9f2f18145063de07cc103ce53c75c8d79bbc5560235c345
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SHA512
8319596227fff44191f7cb9b03d7f6b1b20d89f6e7a034773ddd6d631086c609a1caf2f4f53bd89516925427676a75496aef9dd8754a45cd38536bfb856ed7b6
Score10/10-
BlackMatter Ransomware
BlackMatter ransomware group claims to be Darkside and REvil succesor.
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Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
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Sets desktop wallpaper using registry
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Suspicious use of NtSetInformationThreadHideFromDebugger
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