General
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Target
c3872a9753ab11e7571ee25b8505a91e5d631f9b6fbef16d550b420d880f7e69.exe
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Size
959KB
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Sample
250112-kkl2yavmdv
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MD5
a4f24f5b5bd69bb7811e71c7cdfa8764
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SHA1
0f1613e434daf2abcf1977d6c380439ca9166dbe
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SHA256
c3872a9753ab11e7571ee25b8505a91e5d631f9b6fbef16d550b420d880f7e69
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SHA512
cf24a2a99d6a6cfca4dd34dd943e3449367683745ee08c8a5817d9c04a4b4f9ed3f9557b842b00d3221eb44516b24e934fc822add20912ba36320e9cc60f9805
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SSDEEP
24576:uLjr3s2nScu1i1tz3f++5kRzFxk7rMxNeR1R9qpd4F8:Ujrc2So1Ff+B3k796Ce
Static task
static1
Behavioral task
behavioral1
Sample
c3872a9753ab11e7571ee25b8505a91e5d631f9b6fbef16d550b420d880f7e69.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c3872a9753ab11e7571ee25b8505a91e5d631f9b6fbef16d550b420d880f7e69.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\Program Files\Java\jdk1.7.0_80\db\Restore-My-Files.txt
http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion
https://bigblog.at
http://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion
http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion
https://decoding.at
Extracted
C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Restore-My-Files.txt
http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion
https://bigblog.at
http://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion
http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion
https://decoding.at
Extracted
C:\Users\Admin\Desktop\LockBit_Ransomware.hta
https://decoding.at/
http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion/or
https://decoding.at
http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion
https://bigblog.at
Targets
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Target
c3872a9753ab11e7571ee25b8505a91e5d631f9b6fbef16d550b420d880f7e69.exe
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Size
959KB
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MD5
a4f24f5b5bd69bb7811e71c7cdfa8764
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SHA1
0f1613e434daf2abcf1977d6c380439ca9166dbe
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SHA256
c3872a9753ab11e7571ee25b8505a91e5d631f9b6fbef16d550b420d880f7e69
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SHA512
cf24a2a99d6a6cfca4dd34dd943e3449367683745ee08c8a5817d9c04a4b4f9ed3f9557b842b00d3221eb44516b24e934fc822add20912ba36320e9cc60f9805
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SSDEEP
24576:uLjr3s2nScu1i1tz3f++5kRzFxk7rMxNeR1R9qpd4F8:Ujrc2So1Ff+B3k796Ce
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Lockbit family
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Creates a large amount of network flows
This may indicate a network scan to discover remotely running services.
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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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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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Drops file in System32 directory
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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
2File Deletion
2Modify Registry
2Discovery
Network Service Discovery
1Peripheral Device Discovery
1Query Registry
2Remote System Discovery
1System Information Discovery
3System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1