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General
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Target
b1c1cbadde188d81df31f6e9c19f412072af709c8581020bdc1b925ea7454316
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Size
614KB
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Sample
240316-etfcvsbf3z
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MD5
9f0f396edd98f347ba72634814d9958e
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SHA1
334b98749279e793ea861ec4e868101314077592
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SHA256
b1c1cbadde188d81df31f6e9c19f412072af709c8581020bdc1b925ea7454316
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SHA512
284776eea08bdaac385c581f29956543a921e2593de1615f32c9d10458a73c0910d32eac4ec38c8cb5c876df6e4474fd67ea483139a16536151c36397f17bdbb
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SSDEEP
12288:paM+zyEvC8yMllZzeHqzbUntYDkZx7cIZ2WWVHKwZEVLj1+7favoll/vTqEN1:pOzdq8ZzYqzmkkZCVKRVLUb3/B/
Static task
static1
Behavioral task
behavioral1
Sample
bcb69244dc69a152af4dca3849bb4f3ca634ad785926304c672dbf8a3c38e7bc.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
bcb69244dc69a152af4dca3849bb4f3ca634ad785926304c672dbf8a3c38e7bc.exe
Resource
win10v2004-20240226-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\readme.html
avaddon
Targets
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Target
bcb69244dc69a152af4dca3849bb4f3ca634ad785926304c672dbf8a3c38e7bc.exe
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Size
881KB
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MD5
c83f30c065f7f61428eac2370ddb4f53
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SHA1
cfd70af0c89d7b00839c1d32852c53c603d35e32
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SHA256
bcb69244dc69a152af4dca3849bb4f3ca634ad785926304c672dbf8a3c38e7bc
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SHA512
26100fdf2bba32c0a2f5d27589e730e6af4a16b5cad16cb8ec6314e4291ca1858e35906645636617dacca7c72be6792b01f2bbc073c4468701326e8c889e1d51
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SSDEEP
24576:WvdmYEBLExewPcf5WHHs3Ggo6EoI+/tH0q:WhEBLug5WnsWn9KN
Score10/10-
Avaddon
Ransomware-as-a-service first released in June 2020 and currently expanding its userbase among criminal actors.
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Avaddon payload
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Renames multiple (279) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Executes dropped EXE
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Adds Run key to start application
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Drops desktop.ini file(s)
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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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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MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Indicator Removal
2File Deletion
2Modify Registry
4Subvert Trust Controls
1Install Root Certificate
1