blackmatter | LockBit3Builder[.]zip

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General

Target

LockBit3Builder.zip
Size

290KB
MD5

3c996b121f21fdaf33968ca3c14ead92
SHA1

1404926110bed57d3c9975883af4a26f6e3ebbcc
SHA256

c914b2ffa931919ab4f78ec53b7af83fd46491c300a55638c6b62e39630cbd88
SHA512

5711e53402a481279ec5d8b9b79d08d712c691fe5fce08094d35d01d4b8c09bed9cecbc55f47cd67f8c38062c47a47b4426258dcfb03897c9de3de3972762f5d
SSDEEP

6144:wyfXkq0WhxNHcixW/Rrx3UfORkMQl+6CVeua7m+/5wFTSz4iCrGl:wyfXkcax3cG6Eqm+6Q

Score

10^/10

blackmatter

Malware Config

Extracted

Family

blackmatter

Version

65.239

Signatures

Blackmatter family
blackmatter

Files

LockBit3Builder.zip
.zip
LockBit3Builder/Build.bat
LockBit3Builder/builder.exe
.exe windows x86

d2e26e45dcb84f1062f90f29a9cf0faa

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

user32

MessageBoxW

kernel32

LoadResource
WriteFile
CreateFileW
ExitProcess
FindResourceW
GetCommandLineW
GetFileSize
GetModuleHandleW
GlobalFree
SizeofResource
LockResource
ReadFile

shell32

CommandLineToArgvW

msvcrt

_wcsicmp
memcpy
memset
sprintf
strchr
strcpy
strlen
strstr
wcscat
wcscpy
wcslen
wcsrchr
localeconv
_stricmp
_strcmpi
tolower
realloc
malloc
free
strtod
strncmp

imagehlp

CheckSumMappedFile

ntdll

RtlFreeHeap
RtlAllocateHeap
NtClose
RtlImageNtHeader

Sections

.text
Size: 20KB - Virtual size: 19KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 439KB - Virtual size: 438KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
LockBit3Builder/config.json
LockBit3Builder/keygen.exe
.exe windows x86

73eeda700d0a0376845c61c44155f4a8

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

user32

wsprintfA

kernel32

GetCurrentDirectoryW
WriteFile
CloseHandle
CreateFileW
ExitProcess
GetCommandLineW
GlobalFree
SetCurrentDirectoryW

shell32

CommandLineToArgvW

msvcrt

_wcsicmp
memcpy
memset
free
fputc
exit
calloc

Sections

.text
Size: 26KB - Virtual size: 25KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Extracted

Signatures

Files

d2e26e45dcb84f1062f90f29a9cf0faa

Headers

DLL Characteristics

File Characteristics

Imports

user32

kernel32

shell32

msvcrt

imagehlp

ntdll

Sections

.text Size: 20KB - Virtual size: 19KB

.rdata Size: 2KB - Virtual size: 1KB

.data Size: 8KB - Virtual size: 7KB

.rsrc Size: 439KB - Virtual size: 438KB

73eeda700d0a0376845c61c44155f4a8

Headers

DLL Characteristics

File Characteristics

Imports

user32

kernel32

shell32

msvcrt

Sections

.text Size: 26KB - Virtual size: 25KB

.rdata Size: 3KB - Virtual size: 3KB

.data Size: 1024B - Virtual size: 2KB

.text
Size: 20KB - Virtual size: 19KB

.rdata
Size: 2KB - Virtual size: 1KB

.data
Size: 8KB - Virtual size: 7KB

.rsrc
Size: 439KB - Virtual size: 438KB

.text
Size: 26KB - Virtual size: 25KB

.rdata
Size: 3KB - Virtual size: 3KB

.data
Size: 1024B - Virtual size: 2KB