Behavioral task
behavioral1
Sample
Build.bat
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
Build.bat
Resource
win10v2004-20220812-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
keygen.exe
Resource
win7-20220901-en
Behavioral task
behavioral6
Sample
keygen.exe
Resource
win10v2004-20220812-en
General
-
Target
lockbit.zip.zip
-
Size
290KB
-
MD5
ecb3806a6b721dd3c7766397f7aae59c
-
SHA1
87d4a384e0c8a2e84a82121af74c2eae1999990c
-
SHA256
528702f6407cf8dd4934c0bcdb0d719f57f49f10bc9103da59888386572c9b5e
-
SHA512
b51479564c21b349e526e64e87a090b43d70158794230bfc8a082c660899afdb16c622a033ebc6ae11a4741bfc58f838422ad154d4f7c09bdaec2ceb2da80f64
-
SSDEEP
6144:rQYxqxvN7jVYJvxj0RK1603HgMPHRSUuaQwouwQ59T+efDy0ewQ6Ri:r3qhN7ju1iRmSMPHgU59D75XyDwQj
Malware Config
Extracted
blackmatter
65.239
Signatures
-
Blackmatter family
Files
-
lockbit.zip.zip.zip
Password: infected
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lockbit.zip.zip
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Build.bat
-
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
-
config.json
-
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