MicrosoftNetwork[.]exe

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General

Target

MicrosoftNetwork.exe
Size

3.5MB
MD5

1ac57bbdf54f0007fe75d4933c370b5b
SHA1

0108694f787f894d727420928bb22e800c3ea59e
SHA256

59c69e511516cce35d717ce041eb009a742bb8156a82b02901232c329bea6f49
SHA512

34b59920b756847fa0d6271e2a5c16b8297d5c37c2e0f3a2d9d58c5c9e5e8e3fa9ea22b4a6c84d6cfb1d716e781ffd37da2bd2aa9b9226e8e8ff95e56440af0b
SSDEEP

98304:MXYu7Qb7uWPh1hetUUUqYpxNRui/Oolqal:UYjVReSURYpnRui/Oos

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
MicrosoftNetwork.exe

Files

MicrosoftNetwork.exe
.exe windows:5 windows x86 arch:x86

3515998abe0aea14ac46a446bebe93d1

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Imports

oleaut32

SysFreeString
SysReAllocStringLen
SysAllocStringLen
SafeArrayPtrOfIndex
SafeArrayGetUBound
SafeArrayGetLBound
SafeArrayCreate
VariantChangeType
VariantCopy
VariantClear
VariantInit

advapi32

RegQueryValueExW
RegOpenKeyExW
RegCloseKey

user32

CharNextW
LoadStringW
PeekMessageW
MsgWaitForMultipleObjects
MessageBoxW
LoadStringW
GetSystemMetrics
CharUpperBuffW
CharUpperW
CharLowerBuffW

kernel32

Sleep
VirtualFree
VirtualAlloc
lstrlenW
VirtualQuery
QueryPerformanceCounter
GetTickCount
GetSystemInfo
GetVersion
CompareStringW
IsValidLocale
SetThreadLocale
GetSystemDefaultUILanguage
GetUserDefaultUILanguage
GetLocaleInfoW
WideCharToMultiByte
MultiByteToWideChar
GetACP
LoadLibraryExW
GetStartupInfoW
GetProcAddress
GetModuleHandleW
GetModuleFileNameW
GetCommandLineW
FreeLibrary
GetLastError
UnhandledExceptionFilter
RtlUnwind
RaiseException
ExitProcess
ExitThread
SwitchToThread
GetCurrentThreadId
CreateThread
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSection
FindFirstFileW
FindClose
WriteFile
GetStdHandle
CloseHandle
GetProcAddress
RaiseException
LoadLibraryA
GetLastError
TlsSetValue
TlsGetValue
LocalFree
LocalAlloc
GetModuleHandleW
FreeLibrary
WriteFile
WideCharToMultiByte
WaitForSingleObject
VirtualQueryEx
VirtualQuery
VirtualProtect
VirtualFree
VerSetConditionMask
VerifyVersionInfoW
UnmapViewOfFile
SwitchToThread
SuspendThread
Sleep
SetThreadPriority
SetLastError
SetFileTime
SetFilePointer
SetEvent
SetEndOfFile
ResumeThread
ResetEvent
ReleaseSemaphore
ReadFile
RaiseException
QueryDosDeviceW
IsDebuggerPresent
MapViewOfFile
LocalFree
LoadLibraryA
LoadLibraryW
LeaveCriticalSection
IsValidLocale
InitializeCriticalSection
HeapSize
HeapFree
HeapDestroy
HeapCreate
HeapAlloc
GetVolumeInformationW
GetVersionExW
GetTimeZoneInformation
GetTickCount
GetThreadPriority
GetThreadLocale
GetStdHandle
GetProcAddress
GetModuleHandleW
GetModuleFileNameW
GetLogicalDrives
GetLogicalDriveStringsW
GetLocaleInfoW
GetLocalTime
GetLastError
GetFullPathNameW
GetFileSize
GetFileAttributesExW
GetFileAttributesW
GetExitCodeThread
GetDriveTypeW
GetDiskFreeSpaceW
GetDateFormatW
GetCurrentThreadId
GetCurrentThread
GetCurrentProcess
GetCPInfoExW
GetCPInfo
GetACP
FreeLibrary
FormatMessageW
FindNextFileW
FindFirstFileW
FindClose
FileTimeToSystemTime
FileTimeToLocalFileTime
FileTimeToDosDateTime
EnumSystemLocalesW
EnumCalendarInfoW
EnterCriticalSection
DeleteCriticalSection
CreateSemaphoreA
CreateFileMappingW
CreateFileW
CreateEventA
CreateEventW
CreateDirectoryW
CompareStringW
CloseHandle
Sleep

version

VerQueryValueW
GetFileVersionInfoSizeW
GetFileVersionInfoW

netapi32

NetApiBufferFree
NetWkstaGetInfo

msvcrt

memset
memmove
memcpy
_beginthreadex

Exports

Exports

TMethodImplementationIntercept
__dbk_fcall_wrapper
dbkFCallWrapperAddr

Sections

.text
Size: 3.4MB - Virtual size: 3.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.itext
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 29KB - Virtual size: 29KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 23KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.didata
Size: 1024B - Virtual size: 582B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 151B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: - Virtual size: 32B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 92B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 97KB - Virtual size: 96KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 13KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3515998abe0aea14ac46a446bebe93d1

Headers

File Characteristics

Imports

oleaut32

advapi32

user32

kernel32

version

netapi32

msvcrt

Exports

Exports

Sections

.text Size: 3.4MB - Virtual size: 3.4MB

.itext Size: 3KB - Virtual size: 3KB

.data Size: 29KB - Virtual size: 29KB

.bss Size: - Virtual size: 23KB

.idata Size: 5KB - Virtual size: 4KB

.didata Size: 1024B - Virtual size: 582B

.edata Size: 512B - Virtual size: 151B

.tls Size: - Virtual size: 32B

.rdata Size: 512B - Virtual size: 92B

.reloc Size: 97KB - Virtual size: 96KB

.rsrc Size: 13KB - Virtual size: 13KB

.text
Size: 3.4MB - Virtual size: 3.4MB

.itext
Size: 3KB - Virtual size: 3KB

.data
Size: 29KB - Virtual size: 29KB

.bss
Size: - Virtual size: 23KB

.idata
Size: 5KB - Virtual size: 4KB

.didata
Size: 1024B - Virtual size: 582B

.edata
Size: 512B - Virtual size: 151B

.tls
Size: - Virtual size: 32B

.rdata
Size: 512B - Virtual size: 92B

.reloc
Size: 97KB - Virtual size: 96KB

.rsrc
Size: 13KB - Virtual size: 13KB