General
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Target
523d97331fcef84ff767dbb01836766d8b1be9bbeb3d76e9fda3a02ad46fd976.exe
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Size
1.2MB
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Sample
240126-rvhktsfga5
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MD5
a1dc2aee881f067dc5410722188828aa
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SHA1
e30f9cec20bc2fcc4c578302f042f7d49401d606
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SHA256
467851acb8e16f288fbebf55f3ce6b4ad463945095c08f4b6b6c46421fe94445
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SHA512
c42e36cbf2d77246f73416ee79910c5d166d3b8b21f6b35eaef1cabf7263ad0f2373a6da64ec9e59ca61b3fc364a9f190264537c7564d0f811d885d6a2fbd5b9
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SSDEEP
3072:YBNGfNmf3grGrY9WT97gilKwJiOPmLgXQ0wllT3WifOm2SndWTQ50rxsF5SQmgTY:AA1mf3g6rY60iK6XQ0uNDsSndIsi
Static task
static1
Behavioral task
behavioral1
Sample
523d97331fcef84ff767dbb01836766d8b1be9bbeb3d76e9fda3a02ad46fd976.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
523d97331fcef84ff767dbb01836766d8b1be9bbeb3d76e9fda3a02ad46fd976.exe
Resource
win10v2004-20231222-en
Malware Config
Extracted
C:\info.hta
http://www.w3.org/TR/html4/strict.dtd'>
Extracted
C:\info.hta
http://www.w3.org/TR/html4/strict.dtd'>
Targets
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Target
523d97331fcef84ff767dbb01836766d8b1be9bbeb3d76e9fda3a02ad46fd976.exe
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Size
1.2MB
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MD5
a1dc2aee881f067dc5410722188828aa
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SHA1
e30f9cec20bc2fcc4c578302f042f7d49401d606
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SHA256
467851acb8e16f288fbebf55f3ce6b4ad463945095c08f4b6b6c46421fe94445
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SHA512
c42e36cbf2d77246f73416ee79910c5d166d3b8b21f6b35eaef1cabf7263ad0f2373a6da64ec9e59ca61b3fc364a9f190264537c7564d0f811d885d6a2fbd5b9
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SSDEEP
3072:YBNGfNmf3grGrY9WT97gilKwJiOPmLgXQ0wllT3WifOm2SndWTQ50rxsF5SQmgTY:AA1mf3g6rY60iK6XQ0uNDsSndIsi
Score10/10-
Modifies boot configuration data using bcdedit
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Renames multiple (496) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Modifies Windows Firewall
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Drops startup file
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Adds Run key to start application
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Drops desktop.ini file(s)
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Indicator Removal
3File Deletion
3Modify Registry
1