KrkrzExtract[.]exe

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General

Target

KrkrzExtract.exe
Size

172KB
MD5

8c0b8fd0ed86537b642ffa52811bc04f
SHA1

82446e1cd2acf1bf118616c2f5b2e6ce9839866c
SHA256

c29571e76b69b78b6fdbca799a7c4892fa937b5a3311f72c1487d0db1525e3fa
SHA512

9ea699e44ba7b111957e2f31f683f79b6964d1f0eed90726f533f491380cf3063a98fbf49901325c76e0f76ebcbabd58b270ada4b99781f3022425871b4a4beb
SSDEEP

3072:bGdv1TXs2QD87Mvm7TnFdw7w4vzfhRIVeVNXa4YbepODaEUFi3xfrxKrSlrRk3oC:arDAIMOXVYXa4FpsaEii3xfrx7VeoMdX

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
KrkrzExtract.exe

Files

KrkrzExtract.exe
.exe windows:6 windows x86 arch:x86

79ba297bdc517dce6bbff527ebc1b8bf

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

user32

MessageBoxW

ntdll

RtlInitUnicodeString
NtTerminateProcess
NtResumeThread
NtFreeVirtualMemory
NtGetContextThread
NtFlushInstructionCache
RtlAllocateHeap
RtlFreeUnicodeString
RtlDosPathNameToNtPathName_U
NtAllocateVirtualMemory
NtDelayExecution
NtQueryAttributesFile
NtReadVirtualMemory
NtSetContextThread
RtlFreeHeap
NtWriteVirtualMemory
RtlCreateHeap
RtlDuplicateUnicodeString
RtlCompareMemory

kernel32

FreeLibrary
DecodePointer
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
HeapReAlloc
GetModuleFileNameW
CreateFileW
MultiByteToWideChar
GetLastError
CloseHandle
WriteConsoleW
WideCharToMultiByte
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwind
SetLastError
EncodePointer
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
SetFilePointerEx
GetProcAddress
LoadLibraryExW
RaiseException
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
HeapFree
HeapAlloc
GetFileType
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetStringTypeW
LCMapStringW
GetProcessHeap
HeapSize

Sections

.text
Size: 50KB - Virtual size: 49KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 24KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 90KB - Virtual size: 89KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

79ba297bdc517dce6bbff527ebc1b8bf

Headers

DLL Characteristics

File Characteristics

Imports

user32

ntdll

kernel32

Sections

.text Size: 50KB - Virtual size: 49KB

.rdata Size: 24KB - Virtual size: 24KB

.data Size: 2KB - Virtual size: 5KB

.rsrc Size: 90KB - Virtual size: 89KB

.reloc Size: 4KB - Virtual size: 3KB

.text
Size: 50KB - Virtual size: 49KB

.rdata
Size: 24KB - Virtual size: 24KB

.data
Size: 2KB - Virtual size: 5KB

.rsrc
Size: 90KB - Virtual size: 89KB

.reloc
Size: 4KB - Virtual size: 3KB