Analysis
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max time kernel
148s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
14-03-2024 04:12
Behavioral task
behavioral1
Sample
5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe
Resource
win10v2004-20240226-en
General
-
Target
5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe
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Size
145KB
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MD5
5ff46c6ec36501f106aa7373832bf69c
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SHA1
fc923fb8bb0fa7d52aa4b3421ea910d9d12a2809
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SHA256
5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816
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SHA512
9a1bd9624f02ab9caaf94381758ca809a73cc1deebe9ba55fb59fd71c003c72f81ee5339e92c673eb1c5f348ec5363f2ca5782391a8123c9b09a3f563f6c31fa
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SSDEEP
3072:8qJogYkcSNm9V7DXWw+X1gDW1YfJVKhFT:8q2kc4m9tDmbCDWqQ
Malware Config
Extracted
C:\Users\sNLnicEVl.README.txt
lockbit
Signatures
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Lockbit
Ransomware family with multiple variants released since late 2019.
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Renames multiple (598) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops desktop.ini file(s) 2 IoCs
Processes:
5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exedescription ioc process File opened for modification C:\$Recycle.Bin\S-1-5-21-513485977-2495024337-1260977654-1000\desktop.ini 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-513485977-2495024337-1260977654-1000\desktop.ini 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe -
Drops file in System32 directory 1 IoCs
Processes:
splwow64.exedescription ioc process File created C:\Windows\system32\spool\PRINTERS\00002.SPL splwow64.exe -
Modifies registry class 5 IoCs
Processes:
5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.sNLnicEVl\ = "sNLnicEVl" 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sNLnicEVl\DefaultIcon 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\sNLnicEVl 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\sNLnicEVl\DefaultIcon\ = "C:\\ProgramData\\sNLnicEVl.ico" 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.sNLnicEVl 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exepid process 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exedescription pid process Token: SeAssignPrimaryTokenPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeDebugPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: 36 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeImpersonatePrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeIncBasePriorityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeIncreaseQuotaPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: 33 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeManageVolumePrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeProfSingleProcessPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeRestorePrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSystemProfilePrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeTakeOwnershipPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeShutdownPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeDebugPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeBackupPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe Token: SeSecurityPrivilege 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exedescription pid process target process PID 852 wrote to memory of 4932 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe splwow64.exe PID 852 wrote to memory of 4932 852 5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe splwow64.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe"C:\Users\Admin\AppData\Local\Temp\5735ea71ae9c58fe79c5049056421cf68600d6afdac1c441ae02291637779816.exe"1⤵
- Drops desktop.ini file(s)
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:852 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
- Drops file in System32 directory
PID:4932
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:5048
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
129B
MD5b267f4591d6432c2ea3842f36cb23890
SHA143c0ad7c7bb11faa849898ca9525eee4a86e6c31
SHA2562ffb59c364a33737ce182b1983dfdc1f0987f38c88d80f1ad79264c6f5c37189
SHA51248ec83b833451e8d6331d717ebd1e818a9b11113b61144a3c982660cf343be63344cee1e4ba6ca867ae3e03deadc53b1ebdfc626286ead8c5fbae7ce3ec351fa
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Filesize
233B
MD5885e5b5a0b7100068d7359be5025b479
SHA1413e60216fd28e306c8ac910f7d317a88f3ea9e3
SHA2563f8a1cf73e0f9fae26c30e80ff47c409799b697685cf31688e17e9f77e8e8ade
SHA512804a5949d5d0cde73fb4c667b34cc14266a3dee9691277201f3bfdab99bfe1f8445ff64db8f5f2410528f4f9b96a5f069f90aaede998aa97489ea364f32e9b26
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Filesize
129B
MD591318b3e599e5e5becec27d3a103d3b5
SHA1476dfaddc4f4dc4483de2c75572bc9818faa21be
SHA256285e0f063e3ce8402c922a9bf059b0b08b795ad9998952e8b96ca97d7c641f6b
SHA512d5203b90f8fec7908cb8577bfe538927c50fb744d868bf1c94bc298db2d3495e7d6f1ae60fc6548fb05d721b43926d0e619bf1f0c674773b006272fe72492981