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Static task
static1
Behavioral task
behavioral1
Sample
2024-05-10_7b95ae1a0acb58f7c2318af2df685ab7_bkransomware.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-10_7b95ae1a0acb58f7c2318af2df685ab7_bkransomware.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-05-10_7b95ae1a0acb58f7c2318af2df685ab7_bkransomware
-
Size
10.1MB
-
MD5
7b95ae1a0acb58f7c2318af2df685ab7
-
SHA1
9ebca0ce5045ecf8c6ebdc6124475332b56645d9
-
SHA256
9b05492dad2e36096220e806c6a3b08736a59a200e3f25b2039415ec5aca163c
-
SHA512
4f3d0045428a31cb13a65348b163b738cd243b90ebf47ddacd4dac0ed06cf7fe9c686d54272f1be24cf307b0019737d9faa2267b231cb7f73694e7becd905314
-
SSDEEP
196608:xcMge+mhwcQJnyyGLR7ZNABnjWC0q7dGJjewWzGBmlvUF:xcM+IMj8FABaCpd8ywWzLc
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-10_7b95ae1a0acb58f7c2318af2df685ab7_bkransomware
Files
-
2024-05-10_7b95ae1a0acb58f7c2318af2df685ab7_bkransomware.exe windows:5 windows x86 arch:x86
a2af670719a0f32546f25d33e9c436f7
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetModuleHandleA
VirtualQuery
GetSystemTimeAsFileTime
GetModuleHandleA
CreateEventA
GetModuleFileNameW
LoadLibraryA
TerminateProcess
GetCurrentProcess
CreateToolhelp32Snapshot
Thread32First
GetCurrentProcessId
GetCurrentThreadId
OpenThread
Thread32Next
CloseHandle
SuspendThread
ResumeThread
WriteProcessMemory
GetSystemInfo
VirtualAlloc
VirtualProtect
VirtualFree
GetProcessAffinityMask
SetProcessAffinityMask
GetCurrentThread
SetThreadAffinityMask
Sleep
FreeLibrary
GetTickCount
SystemTimeToFileTime
FileTimeToSystemTime
GlobalFree
LocalAlloc
LocalFree
GetProcAddress
ExitProcess
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
DeleteCriticalSection
GetModuleHandleW
LoadResource
MultiByteToWideChar
FindResourceExW
FindResourceExA
WideCharToMultiByte
GetThreadLocale
GetUserDefaultLCID
GetSystemDefaultLCID
EnumResourceNamesA
EnumResourceNamesW
EnumResourceLanguagesA
EnumResourceLanguagesW
EnumResourceTypesA
EnumResourceTypesW
CreateFileW
LoadLibraryW
GetLastError
FlushFileBuffers
CreateFileA
WriteConsoleW
GetConsoleOutputCP
WriteConsoleA
GetCommandLineA
RaiseException
RtlUnwind
HeapFree
GetCPInfo
InterlockedIncrement
InterlockedDecrement
GetACP
GetOEMCP
IsValidCodePage
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
SetLastError
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
HeapAlloc
LCMapStringA
LCMapStringW
SetHandleCount
GetStdHandle
GetFileType
GetStartupInfoA
GetModuleFileNameA
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
GetEnvironmentStringsW
HeapCreate
HeapDestroy
QueryPerformanceCounter
HeapReAlloc
GetStringTypeA
GetStringTypeW
GetLocaleInfoA
HeapSize
WriteFile
SetFilePointer
GetConsoleCP
GetConsoleMode
InitializeCriticalSectionAndSpinCount
SetStdHandle
LocalAlloc
LocalFree
GetModuleFileNameW
GetProcessAffinityMask
SetProcessAffinityMask
SetThreadAffinityMask
Sleep
ExitProcess
FreeLibrary
LoadLibraryA
GetModuleHandleA
GetProcAddress
user32
MessageBoxA
GetProcessWindowStation
GetUserObjectInformationW
CharUpperBuffW
MessageBoxW
GetProcessWindowStation
GetUserObjectInformationW
advapi32
RegCloseKey
oleaut32
SysFreeString
gdi32
CreateFontA
shell32
ShellExecuteA
version
GetFileVersionInfoA
path2.0
?IsValidCursorPosition@@YAHHH@Z
ole32
CoInitializeSecurity
wtsapi32
WTSSendMessageW
Exports
Exports
Sections
Size: 60KB - Virtual size: 64KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 25KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 5KB - Virtual size: 144KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: - Virtual size: 192KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.denuvo0 Size: 190KB - Virtual size: 192KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Size: 191KB - Virtual size: 8.3MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 2.2MB - Virtual size: 2.2MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.exports Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.denuvo7 Size: - Virtual size: 3.9MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.boot Size: 2.4MB - Virtual size: 2.4MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.denuvo1 Size: 2.6MB - Virtual size: 2.6MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.denuvo2 Size: 2.2MB - Virtual size: 2.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 190KB - Virtual size: 190KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ