Behavioral task
behavioral1
Sample
Build.bat
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
Build.bat
Resource
win10v2004-20220901-en
Behavioral task
behavioral3
Sample
builder.exe
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
builder.exe
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
config.json
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
config.json
Resource
win10v2004-20220901-en
Behavioral task
behavioral7
Sample
keygen.exe
Resource
win7-20220812-en
Behavioral task
behavioral8
Sample
keygen.exe
Resource
win10v2004-20220812-en
General
-
Target
LockBit3Builder.7z
-
Size
144KB
-
MD5
7db3797ee09aedc1c6ec1389ab199493
-
SHA1
42bc848028f3256cd671301991795ecc44fef4e7
-
SHA256
453eebd2dcf98e15e9ccab2c706438a9d34497631db1f64b6fe9cc3ed41696da
-
SHA512
9b42015bbb7bed0bab806c73edf43ef523e96908a501373964aebf1aa6b61952f1e4c122ca0f9b25be60fc331abc082701cf0dedeb2ee95ec8b519bef9936e7a
-
SSDEEP
3072:6PLaNeqK0aYGnzelprFxDbuUqwRx5eWIgBefs5kZPPDFJEPZ8UYgp:6PqTK0aYG6lpXnu7ycNZ3RGh87+
Malware Config
Extracted
blackmatter
65.239
Signatures
-
Blackmatter family
Files
-
LockBit3Builder.7z.7z
Password: !1C!Vk~1i!LW3LR|wgXHC
-
Build.bat
-
builder.exe.exe windows x86
Password: !1C!Vk~1i!LW3LR|wgXHC
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
-
config.json
-
keygen.exe.exe windows x86
Password: !1C!Vk~1i!LW3LR|wgXHC
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