Behavioral task
behavioral1
Sample
LockBit-main (1).zip
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
LockBit-main (1).zip
Resource
win10v2004-20241007-en
General
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Target
LockBit-main (1).zip
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Size
292KB
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MD5
68309717a780fd8b4d1a1680874d3e12
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SHA1
4cfe4f5bbd98fa7e966184e647910d675cdbda43
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SHA256
707bb3b958fbf4728d8a39b043e8df083e0fce1178dac60c0d984604ec23c881
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SHA512
e16de0338b1e1487803d37da66d16bc2f2644138615cbce648ae355f088912a04d1ce128a44797ff8c4dfc53c998058432052746c98c687670e4100194013149
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SSDEEP
6144:n42LBVCsV+PkMeW9zTiY/NaQmHst5ySPzmcfIMwmafvR:n4EzwkMeWgY1NmyESPB1/aXR
Malware Config
Extracted
blackmatter
25.239
Signatures
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Blackmatter family
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Lockbit family
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Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs
Processes:
resource yara_rule static1/unpack001/LockBit-main/builder.exe family_lockbit -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
Processes:
resource unpack001/LockBit-main/builder.exe unpack001/LockBit-main/keygen.exe
Files
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LockBit-main (1).zip.zip
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LockBit-main/Build.bat
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LockBit-main/README.md.vbs
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LockBit-main/builder.exe.exe windows:5 windows x86 arch: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: 438KB - Virtual size: 438KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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LockBit-main/config.json
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LockBit-main/keygen.exe.exe windows:5 windows x86 arch: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