Behavioral task
behavioral1
Sample
LockBit3.0 builder /Build.bat
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
LockBit3.0 builder /builder.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
LockBit3.0 builder /keygen.exe
Resource
win10v2004-20240226-en
General
-
Target
LockBit3.0 builder .rar
-
Size
158KB
-
MD5
438e994e567237cd837c7d1ab4cca381
-
SHA1
6d43e78e66f703a212a33a7fea46191267679fd3
-
SHA256
f7d05c0e9430ba0621020caad12fa1e8e62acb3bda349cd03240c1938ce7a887
-
SHA512
cae464209b30e92bb9ed78d5ddc6fe08a1b2aa89e8d70fa0e57a67dadf4c177e88d888ee3fc06351ad4abe54af749e3ae10671dd4953a6e896f1f7c26aaf5524
-
SSDEEP
3072:slWtN53dw/7+YMflx6m43+T0yw095ZtYxnBLF7rjT+154SIHg2afvX3Y6ZM:sG7tA+YQln43+T0gfivLF/jiXfv4N
Malware Config
Extracted
blackmatter
25.239
Signatures
-
Blackmatter family
-
Lockbit family
-
Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs
resource yara_rule static1/unpack001/LockBit3.0 builder /builder.exe family_lockbit -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/LockBit3.0 builder /builder.exe unpack001/LockBit3.0 builder /keygen.exe
Files
-
LockBit3.0 builder .rar.rar
Password: WARLOCK_DARK_ARMY_OFFICIALS
-
LockBit3.0 builder /Build.bat
-
LockBit3.0 builder /builder.exe.exe windows:5 windows x86 arch:x86
Password: WARLOCK_DARK_ARMY_OFFICIALS
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
-
LockBit3.0 builder /config.json
-
LockBit3.0 builder /keygen.exe.exe windows:5 windows x86 arch:x86
Password: WARLOCK_DARK_ARMY_OFFICIALS
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
-
LockBit3.0 builder /readme.txt