Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
20-09-2024 13:31
Behavioral task
behavioral1
Sample
202409205ef77f016890c85a937f246126bab300lockbit.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
202409205ef77f016890c85a937f246126bab300lockbit.exe
Resource
win10v2004-20240802-en
General
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Target
202409205ef77f016890c85a937f246126bab300lockbit.exe
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Size
141KB
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MD5
5ef77f016890c85a937f246126bab300
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SHA1
bcdb94b1ef0adf8c477a1877beed6b301dd585df
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SHA256
5905429ed21ed6084489757b954d688d586717290b8c998eaf6160efa9524ebf
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SHA512
e34e736555b258c3811f6d68861bc8aaa35839a853728cc90a32aebb18b5bc97982ccf4d736940bf29ea88a6433af1864f99d1e54193ca5c54dbbb8e4a5069ba
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SSDEEP
3072:Z+Tr08bEPZgNFD6JYGokd2ldzcriRSovjE8l2q7+sQMuFFbjt:ZwrNQTJ4kg6LUjnR7+sPwFbjt
Malware Config
Signatures
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Lockbit
Ransomware family with multiple variants released since late 2019.
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Rule to detect Lockbit 3.0 ransomware Windows payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2120-0-0x0000000000400000-0x0000000000427000-memory.dmp family_lockbit behavioral1/memory/2120-1-0x0000000000400000-0x0000000000427000-memory.dmp family_lockbit -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 788 2120 WerFault.exe 29 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
202409205ef77f016890c85a937f246126bab300lockbit.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 202409205ef77f016890c85a937f246126bab300lockbit.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
202409205ef77f016890c85a937f246126bab300lockbit.exedescription pid Process procid_target PID 2120 wrote to memory of 788 2120 202409205ef77f016890c85a937f246126bab300lockbit.exe 30 PID 2120 wrote to memory of 788 2120 202409205ef77f016890c85a937f246126bab300lockbit.exe 30 PID 2120 wrote to memory of 788 2120 202409205ef77f016890c85a937f246126bab300lockbit.exe 30 PID 2120 wrote to memory of 788 2120 202409205ef77f016890c85a937f246126bab300lockbit.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\202409205ef77f016890c85a937f246126bab300lockbit.exe"C:\Users\Admin\AppData\Local\Temp\202409205ef77f016890c85a937f246126bab300lockbit.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2120 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2120 -s 882⤵
- Program crash
PID:788
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