Analysis
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max time kernel
120s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
11-03-2024 18:57
Behavioral task
behavioral1
Sample
2024-03-11_bda61b1f2ec34f0a49df914b437e3022_lockbit.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-11_bda61b1f2ec34f0a49df914b437e3022_lockbit.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-11_bda61b1f2ec34f0a49df914b437e3022_lockbit.exe
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Size
142KB
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MD5
bda61b1f2ec34f0a49df914b437e3022
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SHA1
0d1ebd78d6fb3bf8380dec1bf3b420b6b2ee85a9
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SHA256
e8c59643eba28087af844ae36964089d3e8c63d84552fbb3ae879e2bcfb84429
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SHA512
2e3bcc5b4995ab0a2ad676043ad4f00948ba1712992e4b98ffbd14129954748b9f40658e82d2bf4dca39b8bc800f14f5f57c545c8497a8a042799ae127dfb959
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SSDEEP
3072:ail2tw9CQXBvfiQ/qIq0FBq/wZoPnM8+N1EySbllPfqK:r2OChQfBq/wWBEEhblAK
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/1048-0-0x0000000000400000-0x0000000000427000-memory.dmp family_lockbit -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2036 1048 WerFault.exe 2024-03-11_bda61b1f2ec34f0a49df914b437e3022_lockbit.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
2024-03-11_bda61b1f2ec34f0a49df914b437e3022_lockbit.exedescription pid process target process PID 1048 wrote to memory of 2036 1048 2024-03-11_bda61b1f2ec34f0a49df914b437e3022_lockbit.exe WerFault.exe PID 1048 wrote to memory of 2036 1048 2024-03-11_bda61b1f2ec34f0a49df914b437e3022_lockbit.exe WerFault.exe PID 1048 wrote to memory of 2036 1048 2024-03-11_bda61b1f2ec34f0a49df914b437e3022_lockbit.exe WerFault.exe PID 1048 wrote to memory of 2036 1048 2024-03-11_bda61b1f2ec34f0a49df914b437e3022_lockbit.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-11_bda61b1f2ec34f0a49df914b437e3022_lockbit.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-11_bda61b1f2ec34f0a49df914b437e3022_lockbit.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1048 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1048 -s 882⤵
- Program crash
PID:2036
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