Behavioral task
behavioral1
Sample
LB3.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
LB3.exe
Resource
win10v2004-20230915-en
General
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Target
LB3.zip
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Size
93KB
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MD5
995525745b36aaf038a9e44c032263d5
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SHA1
e57ebbc582cee0898c81bc396e072807a4d5ca19
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SHA256
bd89c2206067cfc8a9845a5a56b2a57a349249e102e2a83c4282d115ea791de4
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SHA512
6cfc4125b9197520d935bd570e1c4f859d7b3aceb504ac05083f11b8f1521285b32fe88dcc22f872a8e5c7bbb91ed9bd90442adfb9969a4af7cfe606404ceb49
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SSDEEP
1536:qLt9HbogoM9H/kQ7cu1b6BXyqWgocI7CGHRCI6NNGPITaQKn7iAhacHv:qLLMlM9H/kQgu1GBXWgo5GGRCI6NNIIW
Malware Config
Signatures
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Lockbit family
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Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs
resource yara_rule static1/unpack001/LB3.exe family_lockbit -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/LB3.exe
Files
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LB3.zip.zip
Password: infected
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LB3.exe.exe windows:5 windows x86
Password: infected
41fb8cb2943df6de998b35a9d28668e8
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
SetPixel
SetDCBrushColor
SelectPalette
GetTextColor
GetDeviceCaps
CreateSolidBrush
user32
DefWindowProcW
CreateMenu
EndDialog
GetDlgItem
GetKeyNameTextW
GetMessageW
GetWindowTextW
IsDlgButtonChecked
LoadImageW
LoadMenuW
DialogBoxParamW
kernel32
SetLastError
LoadLibraryW
GetTickCount
GetLastError
GetCommandLineW
GetCommandLineA
FreeLibrary
Sections
.text Size: 95KB - Virtual size: 95KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.itext Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 40KB - Virtual size: 43KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ