Behavioral task
behavioral1
Sample
LB3.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
LB3.exe
Resource
win10v2004-20241007-en
General
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Target
LB3.exe
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Size
147KB
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MD5
67008d6538e43ec4ef57359f7ca4f15f
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SHA1
65078b6e640146bde300af0a6d70b91f45244343
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SHA256
cb43fff6739186bdf2af5d4f34624c020196616cdae86fb755bf3d250bbe9b12
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SHA512
9a9e281dcf6a783cb69f6ab9703af716dd304883ad1a92a17bf4498745b563b2560e4624d839cc7577776d31e22f596d821a183c4c4ec350d7fa7a8f0e44db54
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SSDEEP
3072:V6glyuxE4GsUPnliByocWepTN5GqoLVB5FHONF:V6gDBGpvEByocWeX/oZB7u/
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 sample family_lockbit -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource LB3.exe
Files
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LB3.exe.exe windows:5 windows x86 arch:x86
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: 3KB - Virtual size: 3KB
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