General
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Target
2023-03-14_b985ad429f39836ea6b1783c2f14fd1d_lockbit.exe
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Size
959KB
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Sample
230315-epnhnsbd59
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MD5
b985ad429f39836ea6b1783c2f14fd1d
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SHA1
32b177b54d4a47dcb7c2343a5e23f21a433ad3f3
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SHA256
8d62edc1873f8a8b8415bb56d572786a96bd337eaafcf3dbd7666ba4442553fb
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SHA512
dfd12adb7692360c0e28847832f5e131a2e72538cf4475e695c20fc91be77a951d4e0dee82c977222113178c3cb0d3377e9b02e212789d76290799d5ffe04577
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SSDEEP
24576:uLjr3s2nScu1i1tz3f++5kRzFxk7rMxNeR1R9qpdCF:Ujrc2So1Ff+B3k796Q
Static task
static1
Behavioral task
behavioral1
Sample
2023-03-14_b985ad429f39836ea6b1783c2f14fd1d_lockbit.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
2023-03-14_b985ad429f39836ea6b1783c2f14fd1d_lockbit.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
C:\Program Files\Java\jdk1.7.0_80\include\Restore-My-Files.txt
http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion
https://bigblog.at
http://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion
http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion
https://decoding.at
Extracted
C:\Program Files\Java\jdk1.8.0_66\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
2023-03-14_b985ad429f39836ea6b1783c2f14fd1d_lockbit.exe
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Size
959KB
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MD5
b985ad429f39836ea6b1783c2f14fd1d
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SHA1
32b177b54d4a47dcb7c2343a5e23f21a433ad3f3
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SHA256
8d62edc1873f8a8b8415bb56d572786a96bd337eaafcf3dbd7666ba4442553fb
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SHA512
dfd12adb7692360c0e28847832f5e131a2e72538cf4475e695c20fc91be77a951d4e0dee82c977222113178c3cb0d3377e9b02e212789d76290799d5ffe04577
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SSDEEP
24576:uLjr3s2nScu1i1tz3f++5kRzFxk7rMxNeR1R9qpdCF:Ujrc2So1Ff+B3k796Q
Score10/10-
Creates a large amount of network flows
This may indicate a network scan to discover remotely running services.
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Modifies boot configuration data using bcdedit
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Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Adds Run key to start application
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Sets desktop wallpaper using registry
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Suspicious use of NtSetInformationThreadHideFromDebugger
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