2024-06-07_81b3ec8591109b4b448d8a62e4172e64_bkransomware

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General

Target

2024-06-07_81b3ec8591109b4b448d8a62e4172e64_bkransomware
Size

301KB
MD5

81b3ec8591109b4b448d8a62e4172e64
SHA1

b86d3c183b0c8f692369a27aabde1e1f0515faea
SHA256

e5bfe8ff7abb1c377b7d9e6353927845c2bb6fe54e81ee95602279d3a88c62cd
SHA512

fbc16ba024b3cfaf100ce3f7187ab347d9fdfd10f3c86788cfc63edb60d7bbe9789a0b73c3ccdcea3da6650f9a826b1a9b9141791ebf871282674377e5a665f7
SSDEEP

3072:xglilKqmhpo0Sb9OpxRrtdHiQj2Q9+7WHJnLXwULq:F9oLRrtNaQ9ISq

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-07_81b3ec8591109b4b448d8a62e4172e64_bkransomware

Files

2024-06-07_81b3ec8591109b4b448d8a62e4172e64_bkransomware
.exe windows:5 windows x86 arch:x86

9158747dc6240279afce84ac4d726c82

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

d:\build\ob\bora-18970417\vos3\thinstall\modules\boot_loader.pdb

Imports

kernel32

WaitForSingleObject
Sleep
CloseHandle
DuplicateHandle
CreateProcessW
GetStartupInfoW
GetEnvironmentVariableW
GetCurrentProcess
GetFileAttributesW
DeleteFileW
FindFirstFileW
FindNextFileW
CopyFileW
MoveFileW
MoveFileExW
SetEnvironmentVariableW
GetCommandLineW
GetModuleHandleW
GetModuleFileNameW
GetLastError
ExpandEnvironmentStringsW
CreateFileW
FlushFileBuffers
WriteConsoleW
SetStdHandle
OutputDebugStringW
LCMapStringW
SetFilePointerEx
GetConsoleMode
GetConsoleCP
HeapReAlloc
LoadLibraryExW
WriteFile
LeaveCriticalSection
EnterCriticalSection
HeapSize
VirtualQuery
GetStringTypeW
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
HeapAlloc
IsDebuggerPresent
IsProcessorFeaturePresent
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
TerminateProcess
InitializeCriticalSectionAndSpinCount
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetSystemTimeAsFileTime
GetCurrentProcessId
QueryPerformanceCounter
HeapFree
DeleteCriticalSection
GetFileType
GetStdHandle
GetProcessHeap
WideCharToMultiByte
MultiByteToWideChar
GetModuleHandleExW
DecodePointer
EncodePointer
RaiseException
RtlUnwind
GetCommandLineA
LoadLibraryW
GetProcAddress
GetCurrentThreadId
ExitProcess
FormatMessageW
SetLastError
LocalFree

user32

wsprintfW
MessageBoxW

ntdll

NtProtectVirtualMemory
NtWriteVirtualMemory
RtlSetSaclSecurityDescriptor
RtlSetDaclSecurityDescriptor
RtlFreeSid
RtlAddAccessAllowedAce
RtlLengthSid
RtlCreateSecurityDescriptor
RtlAllocateAndInitializeSid
NtReadVirtualMemory
NtSetInformationProcess
NtRaiseHardError
NtTerminateProcess
RtlFreeHeap
RtlAllocateHeap
RtlRaiseException
NtReleaseMutant
NtCreateMutant
NtSetEvent
NtOpenEvent
NtQueryVirtualMemory
NtSetInformationFile
NtQueryDirectoryFile
NtClearEvent
NtCreateEvent
LdrLoadDll
NtReadFile
NtQueryFullAttributesFile
NtQueryInformationFile
NtOpenFile
NtMapViewOfSection
NtCreateSection
RtlMultiByteToUnicodeN
LdrGetProcedureAddress
RtlQueryEnvironmentVariable_U
RtlCompareUnicodeString
RtlInitAnsiString
NtAllocateVirtualMemory
RtlGetVersion
RtlLeaveCriticalSection
RtlEnterCriticalSection
RtlInitializeCriticalSection
NtDuplicateObject
NtWaitForSingleObject
LdrGetDllHandle
NtDelayExecution
RtlFreeAnsiString
RtlUnicodeStringToAnsiString
NtOpenDirectoryObject
RtlInitUnicodeString
NtQuerySystemInformation
NtQueryInformationProcess
NtOpenSection
NtUnmapViewOfSection
NtClose
RtlNtStatusToDosError
LdrUnloadDll
RtlCreateAcl

Sections

.text
Size: 107KB - Virtual size: 107KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 35KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 153KB - Virtual size: 160KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9158747dc6240279afce84ac4d726c82

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

ntdll

Sections

.text Size: 107KB - Virtual size: 107KB

.rdata Size: 35KB - Virtual size: 35KB

.data Size: 153KB - Virtual size: 160KB

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

.text
Size: 107KB - Virtual size: 107KB

.rdata
Size: 35KB - Virtual size: 35KB

.data
Size: 153KB - Virtual size: 160KB

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