Analysis
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max time kernel
16s -
max time network
18s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
09-07-2024 11:35
Behavioral task
behavioral1
Sample
2024-07-09_5f491563a87b37afd1d12d14cd00631b_lockbit.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-07-09_5f491563a87b37afd1d12d14cd00631b_lockbit.exe
Resource
win10v2004-20240704-en
General
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Target
2024-07-09_5f491563a87b37afd1d12d14cd00631b_lockbit.exe
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Size
143KB
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MD5
5f491563a87b37afd1d12d14cd00631b
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SHA1
d6d4337fe3ad9887697142b565ddc4635c489616
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SHA256
bd574c6fe75d0689277ce42742c29514620d76f025a50fc83ea9ef0ab987bba8
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SHA512
9667bbb8d41ca9b5105df157118da65a7605bb360e68230017a6110b34d6a98aea6ff5d1e664e545a613cc130953c8f970d2b5e0f2593f2ddfde51ab785f6e87
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SSDEEP
3072:HjUr8tlAC2z9mXTlpG/7K9x6k4uk0ivk7doQDHbPeJFDDx5kOjHhA:DUwPADAXTlp7C7XU7bPe/vbC
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/2024-0-0x0000000000400000-0x0000000000427000-memory.dmp family_lockbit -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 1576 2024 WerFault.exe 29 -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
2024-07-09_5f491563a87b37afd1d12d14cd00631b_lockbit.exedescription pid Process procid_target PID 2024 wrote to memory of 1576 2024 2024-07-09_5f491563a87b37afd1d12d14cd00631b_lockbit.exe 30 PID 2024 wrote to memory of 1576 2024 2024-07-09_5f491563a87b37afd1d12d14cd00631b_lockbit.exe 30 PID 2024 wrote to memory of 1576 2024 2024-07-09_5f491563a87b37afd1d12d14cd00631b_lockbit.exe 30 PID 2024 wrote to memory of 1576 2024 2024-07-09_5f491563a87b37afd1d12d14cd00631b_lockbit.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-07-09_5f491563a87b37afd1d12d14cd00631b_lockbit.exe"C:\Users\Admin\AppData\Local\Temp\2024-07-09_5f491563a87b37afd1d12d14cd00631b_lockbit.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 882⤵
- Program crash
PID:1576
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