Overview
overview
10Static
static
10triage/Build.bat
windows7-x64
1triage/Build.bat
windows10-2004-x64
1triage/builder.exe
windows7-x64
1triage/builder.exe
windows10-2004-x64
1triage/config.json
windows7-x64
3triage/config.json
windows10-2004-x64
3triage/keygen.exe
windows7-x64
1triage/keygen.exe
windows10-2004-x64
1Behavioral task
behavioral1
Sample
triage/Build.bat
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
triage/Build.bat
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
triage/builder.exe
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
triage/builder.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
triage/config.json
Resource
win7-20240508-en
Behavioral task
behavioral6
Sample
triage/config.json
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
triage/keygen.exe
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
triage/keygen.exe
Resource
win10v2004-20240508-en
General
-
Target
triage.rar
-
Size
157KB
-
MD5
bd11583af62f9a9cac0802217647b787
-
SHA1
e7e7abfd3b7eaeadf719fff0492b027318907378
-
SHA256
1b8dbedf6136cd2c742daba48bcecd584421a4456a78f7b907cadd4f76e5e90b
-
SHA512
a3a9a4cb3fc85736a9d22db241107178d853e5db95e37a3874f62d449c68ae33d228a40572d14942e2ab242976ffe14dfb2009d323cada66b466694544e84bb0
-
SSDEEP
3072:8PPGQJjZ1cA1KCGpzmHfZ3jl5Uh9HDsBFq7nffBgH5FbnMt3X2Xes:QGQJkAPUh98qL2nQX2Xes
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/triage/builder.exe family_lockbit -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/triage/builder.exe unpack001/triage/keygen.exe
Files
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triage.rar.rar
-
triage/Build.bat
-
triage/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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triage/config.json
-
triage/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