lockbit | LB3[.]exe | Triage

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General

Target

LB3.exe
Size

145KB
MD5

3b56fee645b36a022471189294485517
SHA1

90138e3902b096a89b03271ea664ccc6193b766c
SHA256

e6944c6c141447c0d832784928f63c24d79b0a0e6fce3f3c7e3b836c1dc7150c
SHA512

de721b59586d28b261bcbf74acef98d5f1875e0fc7c43348eb4cb5d78558e34350c3bb285b8f8da1fad3fee0943ac0c4be51522a6e03eaefffeaf4039d6796a5
SSDEEP

3072:R6glyuxE4GsUPnliByocWepLWlSR/eGrz:R6gDBGpvEByocWe9WeGW

Score

10^/10

lockbit

Malware Config

Signatures

Lockbit family
lockbit

Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs

resource	yara_rule
sample	family_lockbit

Files

LB3.exe
.exe windows 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: 2KB - Virtual size: 1KB

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