Behavioral task
behavioral1
Sample
LockBit3Builder/Build.bat
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
LockBit3Builder/Build.bat
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
LockBit3Builder/builder.exe
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
LockBit3Builder/builder.exe
Resource
win10v2004-20220901-en
Behavioral task
behavioral5
Sample
LockBit3Builder/keygen.exe
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
LockBit3Builder/keygen.exe
Resource
win10v2004-20220812-en
General
-
Target
LockBit3Builder.7z
-
Size
146KB
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MD5
ed72175e19c52b8a891659edabc59782
-
SHA1
9b56439984f0542d8f0c222841bce58def6b2a3e
-
SHA256
d1b5c11b4e2fa35dca4221ef9b8e097b987c159fd52a9eae88fd96d54f78d5ed
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SHA512
67a7af895e90318e8cb07f5c3e892235738e7bcbb03c535092e1ce2523a2baf390e86b00ae9c25c3a06c80d5d44d230f302800d7668b7c45d740d318abf6b7a9
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SSDEEP
3072:coUFTZuLK1rLleboOvpXAbDnxy6wJvhR8ZNbqU6KAUdmWxQrXPbRzdInXUzfZkYC:KTZ+Q8pXAbL0nZRDUvvdmyQrXPb3InkI
Malware Config
Extracted
blackmatter
65.239
Signatures
-
Blackmatter family
Files
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LockBit3Builder.7z.7z
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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
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LockBit3Builder/config.json
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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