coreshell[.]dll

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General

Target

coreshell.dll
Size

396KB
MD5

c1cd8f640dc560e9bdc873282298623e
SHA1

f1e318c4250ac14ab49efdeea7856f949d68aa1e
SHA256

c8f5ca7f0c01ce9d967a6895d13402e2299fc62e8b94dee27b20e66f13cb1f4c
SHA512

c991a75199821430cf0a83cba87323dc8e8151d5147cad5bda7ac12259dcbf75320721fc84ed7bb9ccf5128dbdefa235ed1d768311436216aae55595cf121fb1
SSDEEP

1536:/CwxSsJ5ucqow+cdl4ScsWjcdIjVuyjCgAV:/CwxSkvGl1IjVuyOgAV

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs
Checks for missing Authenticode signature.

Processes:

resource

coreshell.dll

resource
coreshell.dll

Files

coreshell.dll
.dll windows:5 windows x86 arch:x86

1302f0a89177be8c5819bbdb67f1d5f8

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

C:\Users\admin\Documents\Visual Studio 2012\Projects\downloader_dll_http_mtfs\Release\downloader_dll_http_mtfs.pdb

Imports

kernel32

LoadLibraryW
GetProcAddress
GetTickCount
Sleep
LoadLibraryA
GetCommandLineA
GetCurrentThreadId
IsDebuggerPresent
IsProcessorFeaturePresent
GetLastError
SetLastError
InterlockedIncrement
InterlockedDecrement
HeapAlloc
EncodePointer
DecodePointer
RaiseException
HeapFree
ExitProcess
GetModuleHandleExW
MultiByteToWideChar
GetProcessHeap
GetStdHandle
GetFileType
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
GetStartupInfoW
GetModuleFileNameA
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetEnvironmentStringsW
FreeEnvironmentStringsW
WideCharToMultiByte
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetModuleHandleW
EnterCriticalSection
LeaveCriticalSection
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
WriteFile
GetModuleFileNameW
LoadLibraryExW
RtlUnwind
HeapReAlloc
GetStringTypeW
OutputDebugStringW
HeapSize
LCMapStringW
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetStdHandle
SetFilePointerEx
WriteConsoleW
CloseHandle
CreateFileW

Exports

Exports

?Applicate@@YGHXZ

Sections

.text
Size: 34KB - Virtual size: 34KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 20KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 12KB

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: 13KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.shell
Size: 320KB - Virtual size: 320KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1302f0a89177be8c5819bbdb67f1d5f8

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

Exports

Exports

Sections

.text Size: 34KB - Virtual size: 34KB

.rdata Size: 20KB - Virtual size: 20KB

.data Size: 5KB - Virtual size: 12KB

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

.reloc Size: 13KB - Virtual size: 12KB

.shell Size: 320KB - Virtual size: 320KB

.text
Size: 34KB - Virtual size: 34KB

.rdata
Size: 20KB - Virtual size: 20KB

.data
Size: 5KB - Virtual size: 12KB

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

.reloc
Size: 13KB - Virtual size: 12KB

.shell
Size: 320KB - Virtual size: 320KB