2024-05-16_20e04327767535f82378581fe28e061b_bkransomware

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General

Target

2024-05-16_20e04327767535f82378581fe28e061b_bkransomware
Size

981KB
MD5

20e04327767535f82378581fe28e061b
SHA1

ad57c4882f9db95b160ccd844d872c8c9aa53849
SHA256

bf20e92b3050618adf9fe007496466856b52bf9237402d31028816258af33858
SHA512

d70dc5284fb0b41afc4deb76f938528d26d291b520b25232f26c5f111d71a5a97684b06889de62e32942c58677ba5e8ebfc78ffc65afa2d41a7a24beee7a546c
SSDEEP

12288:tAwSfxL/2Dc3jDLLmt0LDQewsAjRyihrvQGENZMkY8pJy6JKpdGyy5xkCIabjKo0:eaewsAjxZYJJNK/Ry5xkCIabjKoh9Wj

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-16_20e04327767535f82378581fe28e061b_bkransomware

NSIS installer 1 IoCs

installer

resource	yara_rule
sample	nsis_installer_2

Files

2024-05-16_20e04327767535f82378581fe28e061b_bkransomware
.exe windows:6 windows x86 arch:x86

ead69853b7cb1b3bd5e661d99b54cf07

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

mavinject32.pdb

Imports

kernel32

RaiseException
GetLastError
DecodePointer
HeapSetInformation
InitializeCriticalSectionEx
CloseHandle
LocalFree
WriteProcessMemory
ReadProcessMemory
WideCharToMultiByte
DeleteCriticalSection
OpenProcess
CreateFileW
FlushFileBuffers
SetUnhandledExceptionFilter
OutputDebugStringW
FreeLibrary
LoadLibraryW
GetProcAddress
GetCurrentProcess
WaitForSingleObject
GetModuleHandleW
CreateRemoteThread
VirtualFreeEx
VirtualAllocEx
DuplicateHandle
ExitProcess
VirtualQueryEx
TerminateProcess
SetLastError
VirtualProtectEx
IsWow64Process
VirtualQuery
LoadLibraryExW
IsDebuggerPresent
EnterCriticalSection
LeaveCriticalSection
MultiByteToWideChar
GetStringTypeW
EncodePointer
HeapFree
GetCommandLineW
IsProcessorFeaturePresent
GetCPInfo
RtlUnwind
HeapAlloc
UnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
Sleep
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
IsValidCodePage
GetACP
GetOEMCP
GetCurrentThreadId
GetProcessHeap
GetModuleHandleExW
HeapSize
GetStdHandle
GetFileType
GetModuleFileNameW
WriteFile
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetEnvironmentStringsW
FreeEnvironmentStringsW
HeapReAlloc
GetConsoleCP
GetConsoleMode
SetFilePointerEx
SetStdHandle
WriteConsoleW

shell32

CommandLineToArgvW

ntdll

NtQueryInformationProcess
RtlNtStatusToDosError

advapi32

RegQueryValueExW
RegCloseKey
RegOpenKeyExW

Sections

.text
Size: 193KB - Virtual size: 193KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 121KB - Virtual size: 121KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 17KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

ead69853b7cb1b3bd5e661d99b54cf07

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

shell32

ntdll

advapi32

Sections

.text Size: 193KB - Virtual size: 193KB

.rdata Size: 121KB - Virtual size: 121KB

.data Size: 8KB - Virtual size: 16KB

.rsrc Size: 2KB - Virtual size: 1KB

.reloc Size: 17KB - Virtual size: 16KB

.text
Size: 193KB - Virtual size: 193KB

.rdata
Size: 121KB - Virtual size: 121KB

.data
Size: 8KB - Virtual size: 16KB

.rsrc
Size: 2KB - Virtual size: 1KB

.reloc
Size: 17KB - Virtual size: 16KB