Analysis
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max time kernel
121s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
16-02-2024 01:07
Behavioral task
behavioral1
Sample
2024-02-16_f232afca4ea542117358c3f70300aeb1_lockbit.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-16_f232afca4ea542117358c3f70300aeb1_lockbit.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-16_f232afca4ea542117358c3f70300aeb1_lockbit.exe
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Size
142KB
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MD5
f232afca4ea542117358c3f70300aeb1
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SHA1
af167a57fbcfee80d79b70134c6a4505709f2337
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SHA256
74c8269a9ec642c0fd432fc9e0d7506a079b6d32c2c3e5313d96205726629233
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SHA512
c82b9b1ccd169ee00a2539516dccb206c60c3902acc423cab320ba1f9b56bfe38c16aad28e76e9ac2fecf9d4edea32b6ac0a21b0bcf2b0be83248fd7df8f6a31
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SSDEEP
3072:TZfBGePiLWi5M0qgulEHPrE1xBuKWrrvKwOna:TxMePAWig0P4rErJd
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/1944-0-0x0000000000400000-0x0000000000427000-memory.dmp family_lockbit -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 1940 1944 WerFault.exe 27 -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
2024-02-16_f232afca4ea542117358c3f70300aeb1_lockbit.exedescription pid Process procid_target PID 1944 wrote to memory of 1940 1944 2024-02-16_f232afca4ea542117358c3f70300aeb1_lockbit.exe 28 PID 1944 wrote to memory of 1940 1944 2024-02-16_f232afca4ea542117358c3f70300aeb1_lockbit.exe 28 PID 1944 wrote to memory of 1940 1944 2024-02-16_f232afca4ea542117358c3f70300aeb1_lockbit.exe 28 PID 1944 wrote to memory of 1940 1944 2024-02-16_f232afca4ea542117358c3f70300aeb1_lockbit.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-16_f232afca4ea542117358c3f70300aeb1_lockbit.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-16_f232afca4ea542117358c3f70300aeb1_lockbit.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 882⤵
- Program crash
PID:1940
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