General
- Target 954d8fcd6b74d76999f9ec033ca855ffdab6595be23039f03bc4c6017fa3932c.exe
- Size 22KB
- Sample261028-w2bs3ssz7k
- SHA256 954d8fcd6b74d76999f9ec033ca855ffdab6595be23039f03bc4c6017fa3932c
- MD5 a4ac3f1674f24c6e596bf71fc47bd275
- SHA1 24dbe7a81a5bda771d7557fa3f5000f4a9f27179
- SHA512 d75690b60afbc2999d5f2892b6ee924b902a1497f9820393c78edd64c061908462e98593267836bdab28bb9963fc30b4e780f0c7b5853fd067765e3a6df0bdc7
- SSDEEP 384:13Mg/bqo2HgkbOnNTYvTppSuqMWLJ1r91CxRQDfem:Pqo2jyZYvTppDA91r9CRQzem
- TLSH T1C5A2E70867FA563DF6FE1EBC2DB250415771B943DD1EE74D2CCE015D0823B8C9A90AA6
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
954d8fcd6b74d76999f9ec033ca855ffdab6595be23039f03bc4c6017fa3932c.exe
Resource
win10v2004-20260911-en
Malware Config
Targets
-
- Target 954d8fcd6b74d76999f9ec033ca855ffdab6595be23039f03bc4c6017fa3932c.exe
- Size 22KB
- SHA256 954d8fcd6b74d76999f9ec033ca855ffdab6595be23039f03bc4c6017fa3932c
- MD5 a4ac3f1674f24c6e596bf71fc47bd275
- SHA1 24dbe7a81a5bda771d7557fa3f5000f4a9f27179
- SHA512 d75690b60afbc2999d5f2892b6ee924b902a1497f9820393c78edd64c061908462e98593267836bdab28bb9963fc30b4e780f0c7b5853fd067765e3a6df0bdc7
- SSDEEP 384:13Mg/bqo2HgkbOnNTYvTppSuqMWLJ1r91CxRQDfem:Pqo2jyZYvTppDA91r9CRQzem
- TLSH T1C5A2E70867FA563DF6FE1EBC2DB250415771B943DD1EE74D2CCE015D0823B8C9A90AA6
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Chaos Ransomware
-
Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
-
Modifies boot configuration data using bcdedit
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Renames multiple (372) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Creates a file in the Startup directory
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
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Executes a file named after a Windows system binary
The file runs from a user directory while carrying the name of an executable that normally only exists in System32.
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Executes dropped EXE
-
Drops desktop.ini file(s)
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2Windows Command Shell
1Windows Management Instrumentation
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Direct Volume Access
1Indicator Removal
3File Deletion
3Masquerading
1Match Legitimate Name or Location
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1