Analysis
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max time kernel
118s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
11-03-2024 11:24
Behavioral task
behavioral1
Sample
2024-03-11_dc5c1347d1b3ed88b76f62b7a78fd395_lockbit.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-03-11_dc5c1347d1b3ed88b76f62b7a78fd395_lockbit.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-11_dc5c1347d1b3ed88b76f62b7a78fd395_lockbit.exe
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Size
141KB
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MD5
dc5c1347d1b3ed88b76f62b7a78fd395
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SHA1
5d33b7fd376001d20b3cabae4a28b230abb0ab29
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SHA256
f63f424dcb84cb3450535b907aa7806039d713fc708f0d6f4f487246b305993e
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SHA512
7621bae2eb02fa15a86d3cbc2917517a5231a9ff38f11e5a07c9beef511689a20aaa826f8a6a6f7630f33a3b74cfdcc572ddfb81894e9d7bc49a285defd9eb02
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SSDEEP
3072:TAJatGmYhOgvZmYgzea8VvDoR76NDpO4PFQ+:cx8gYIa8uR7qDQ4l
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 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2356-0-0x0000000000400000-0x0000000000427000-memory.dmp family_lockbit -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1744 2356 WerFault.exe 2024-03-11_dc5c1347d1b3ed88b76f62b7a78fd395_lockbit.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
2024-03-11_dc5c1347d1b3ed88b76f62b7a78fd395_lockbit.exedescription pid process target process PID 2356 wrote to memory of 1744 2356 2024-03-11_dc5c1347d1b3ed88b76f62b7a78fd395_lockbit.exe WerFault.exe PID 2356 wrote to memory of 1744 2356 2024-03-11_dc5c1347d1b3ed88b76f62b7a78fd395_lockbit.exe WerFault.exe PID 2356 wrote to memory of 1744 2356 2024-03-11_dc5c1347d1b3ed88b76f62b7a78fd395_lockbit.exe WerFault.exe PID 2356 wrote to memory of 1744 2356 2024-03-11_dc5c1347d1b3ed88b76f62b7a78fd395_lockbit.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-11_dc5c1347d1b3ed88b76f62b7a78fd395_lockbit.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-11_dc5c1347d1b3ed88b76f62b7a78fd395_lockbit.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2356 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 882⤵
- Program crash
PID:1744
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