Behavioral task
behavioral1
Sample
Build.bat
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
Build.bat
Resource
win10v2004-20221111-en
Behavioral task
behavioral3
Sample
builder.exe
Resource
win7-20221111-en
Behavioral task
behavioral4
Sample
builder.exe
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
keygen.exe
Resource
win7-20221111-en
Behavioral task
behavioral6
Sample
keygen.exe
Resource
win10v2004-20221111-en
General
-
Target
LockBit-Black-Builder-main.zip
-
Size
145KB
-
MD5
4103398cf2314a7e628c54eb1ce8d0ac
-
SHA1
6f049fec92b6e7be16611752629cf4c98a11821f
-
SHA256
37185d9df180b61b06b0b411723571eed293ca1d2c3e1c28a74a5fd72e5d9e7b
-
SHA512
34c3c51c359e434f550d43b730ba5b94755684701d7885b185ef1fec82758683c3257f890c7defe9a61a870276135647e6dbc4f8da5f5c71549eee0ffcbd3ddf
-
SSDEEP
3072:ZrpwUBhAR0Kz0TO+/nB6thtGnp0gNxQ/XvE12AldjEx:ZrWiuaKQ1a+p0gNxcXHgs
Malware Config
Extracted
blackmatter
25.239
Signatures
-
Blackmatter family
Files
-
LockBit-Black-Builder-main.zip.zip
Password: dM@iu9&UJB@#G$1HhZAW
-
LockBit-Black-Builder-main/LockBit30.7z.7z
Password: dM@iu9&UJB@#G$1HhZAW
-
Build.bat
-
builder.exe.exe windows x86
Password: dM@iu9&UJB@#G$1HhZAW
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: 438KB - Virtual size: 438KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
-
config.json
-
keygen.exe.exe windows x86
Password: dM@iu9&UJB@#G$1HhZAW
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
-
LockBit-Black-Builder-main/README.md