Static task
static1
Behavioral task
behavioral1
Sample
2024-06-15_6c3eb638fee514733f3ebcf1dd8586a1_bkransomware.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-15_6c3eb638fee514733f3ebcf1dd8586a1_bkransomware.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-15_6c3eb638fee514733f3ebcf1dd8586a1_bkransomware
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Size
130KB
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MD5
6c3eb638fee514733f3ebcf1dd8586a1
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SHA1
f0d8f53a140849f30dda9c04e7531a86d3a411aa
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SHA256
7a2062532be7c24cb8e52180d5678fa79d0f015704cd4c65f0e83f57a0b35414
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SHA512
fed6be082eb3c9ba0cd3da3aa79f9dd7b27579d7ee17adeea9725a24d43f0dc1f854d6c3ea17d3e6acd5a3eb3dc324e029f6ccfb3da6b4ce3abe1970dfe005b1
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SSDEEP
3072:KJthB8KI2EmhmyTOlyollwpbW1pLB9VhDrc:ShxInmlif15Hvc
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-06-15_6c3eb638fee514733f3ebcf1dd8586a1_bkransomware
Files
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2024-06-15_6c3eb638fee514733f3ebcf1dd8586a1_bkransomware.exe windows:5 windows x86 arch:x86
661fe940ae1b538700760a32765a5e47
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
Imports
ole32
CoCreateInstance
CoInitializeSecurity
CoInitializeEx
CoUninitialize
kernel32
GetProcAddress
WriteFile
HeapAlloc
HeapReAlloc
GetProcessHeap
ExpandEnvironmentStringsA
GetTempFileNameW
WaitForMultipleObjectsEx
Sleep
GetCurrentProcess
CreateThread
lstrcmpA
GetTempFileNameA
GetEnvironmentVariableW
GetShortPathNameW
GetModuleFileNameW
lstrcpyW
lstrcatW
GetVolumeInformationW
HeapFree
GetWindowsDirectoryW
lstrcpynW
CreateFileW
VirtualAlloc
VirtualFree
GetModuleHandleW
GetVersionExA
SwitchToThread
InterlockedIncrement
GetSystemTimeAsFileTime
GetCommandLineA
EnterCriticalSection
LeaveCriticalSection
IsDebuggerPresent
IsProcessorFeaturePresent
SetLastError
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
MultiByteToWideChar
WideCharToMultiByte
GetModuleHandleA
RaiseException
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
DeleteCriticalSection
GetFileType
GetStartupInfoW
GetModuleFileNameA
QueryPerformanceCounter
GetEnvironmentStringsW
FreeEnvironmentStringsW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
RtlUnwind
LoadLibraryExW
OutputDebugStringW
GetConsoleCP
GetConsoleMode
SetFilePointerEx
GetStringTypeW
CompareStringW
LCMapStringW
SetEnvironmentVariableA
FlushFileBuffers
SetStdHandle
HeapSize
WriteConsoleW
GetCurrentThreadId
GetCurrentProcessId
WaitForSingleObject
SetCurrentDirectoryA
GetLastError
CloseHandle
ReadFile
CreateFileA
LocalFree
GetStdHandle
InitializeCriticalSectionAndSpinCount
winhttp
WinHttpReceiveResponse
WinHttpSendRequest
WinHttpOpenRequest
WinHttpQueryDataAvailable
WinHttpReadData
WinHttpConnect
WinHttpCloseHandle
WinHttpOpen
shell32
ShellExecuteW
user32
GetForegroundWindow
GetDesktopWindow
GetMessageTime
wsprintfA
GetSysColor
oleaut32
VariantInit
SysAllocString
SysFreeString
VariantClear
iphlpapi
GetAdaptersInfo
advapi32
CryptGetHashParam
CryptAcquireContextA
OpenServiceW
OpenSCManagerA
CryptReleaseContext
CloseServiceHandle
CryptCreateHash
CryptHashData
CryptDestroyHash
RegCloseKey
RegOpenKeyExA
Sections
.text Size: 91KB - Virtual size: 91KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 24KB - Virtual size: 23KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 5KB - Virtual size: 18KB
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: 6KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ