General
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Target
43ced481e0f68fe57be3246cc5aede353c9d34f4e15d0afe443b5de9514d3ce4.exe
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Size
174KB
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Sample
250115-jvqbnswnaw
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MD5
7f0312a1f928c3aeab672ca8d5afc6a9
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SHA1
efb367a61cb29e63a7269765c6071005a643a55d
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SHA256
43ced481e0f68fe57be3246cc5aede353c9d34f4e15d0afe443b5de9514d3ce4
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SHA512
854592111580d11597824a16b2d62ad313cf4ecdd2329cd9b333f2e3185f4cd21b16164f2e2330e3c5ecf5184471266528fa38d059920b900a32528f40bebcf6
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SSDEEP
3072:+yvWCxfzdNRvpEAdS3rDkALwlYu8+IFMyXJVlRGa5JJ5SU:NvWCxfz0gS7oczu8+IdXJVvbSU
Static task
static1
Behavioral task
behavioral1
Sample
43ced481e0f68fe57be3246cc5aede353c9d34f4e15d0afe443b5de9514d3ce4.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
43ced481e0f68fe57be3246cc5aede353c9d34f4e15d0afe443b5de9514d3ce4.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\Program Files\DVD Maker\de-DE\Restore-My-Files.txt
lockbit
http://lockbit-decryptor.top/?85C01E35FD24495CDA0E673D14ED22C0
http://lockbitks2tvnmwk.onion/?85C01E35FD24495CDA0E673D14ED22C0
Extracted
C:\Users\Admin\Desktop\LockBit-note.hta
http://lockbit-decryptor.top/?85C01E35FD24495CDA0E673D14ED22C0
http://lockbitks2tvnmwk.onion/?85C01E35FD24495CDA0E673D14ED22C0
Extracted
C:\Program Files\dotnet\Restore-My-Files.txt
lockbit
http://lockbit-decryptor.top/?85C01E35FD24495CA4B56D102AC25364
http://lockbitks2tvnmwk.onion/?85C01E35FD24495CA4B56D102AC25364
Extracted
C:\Users\Admin\Desktop\LockBit-note.hta
http://lockbit-decryptor.top/?85C01E35FD24495CA4B56D102AC25364
http://lockbitks2tvnmwk.onion/?85C01E35FD24495CA4B56D102AC25364
Targets
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-
Target
43ced481e0f68fe57be3246cc5aede353c9d34f4e15d0afe443b5de9514d3ce4.exe
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Size
174KB
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MD5
7f0312a1f928c3aeab672ca8d5afc6a9
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SHA1
efb367a61cb29e63a7269765c6071005a643a55d
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SHA256
43ced481e0f68fe57be3246cc5aede353c9d34f4e15d0afe443b5de9514d3ce4
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SHA512
854592111580d11597824a16b2d62ad313cf4ecdd2329cd9b333f2e3185f4cd21b16164f2e2330e3c5ecf5184471266528fa38d059920b900a32528f40bebcf6
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SSDEEP
3072:+yvWCxfzdNRvpEAdS3rDkALwlYu8+IFMyXJVlRGa5JJ5SU:NvWCxfz0gS7oczu8+IdXJVvbSU
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Lockbit family
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit
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Renames multiple (9364) 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.
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Deletes itself
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Adds Run key to start application
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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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Sets desktop wallpaper using registry
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Direct Volume Access
1Indicator Removal
3File Deletion
3Modify Registry
3