RegDelNull[.]exe

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General

Target

RegDelNull.exe
Size

342KB
MD5

bcb5ccfc0a924a222fb88ba35bc623b9
SHA1

68e4a057bbefe71a02d864223167babd57dff28e
SHA256

e39da31d87c447cfa9c5b1251df92ff418f9e873997e76ccab1ccca72c9d65d9
SHA512

1c6b0bdf6b5838ac17d47da2cded525e0dcb4507a11c52ec64106f9f776b16935d32e8adb52ea5dc5d04ebdecce99f9518a14b56188d1aecc794aeda2a2a67cf
SSDEEP

6144:dnKg/FRoY3QcS2HTL0WpRl0ozPg1KXVcZw7e0LSJ/:dKg/FZ3QB2HTLRpj02EjutQ/

Score

1^/10

Malware Config

Signatures

Files

RegDelNull.exe
.exe windows x86

3139255730b05278872883e46827de09

Code Sign

33:00:00:01:87:72:17:72:15:59:40:c7:09:00:00:00:00:01:87
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

04/03/2020, 18:39

Not After

03/03/2021, 18:39

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

d8:2a:3e:73:82:28:d5:28:8b:24:d5:6a:86:72:dd:97:b4:fc:3a:b7:c9:ed:de:1a:ff:fd:77:80:27:c0:bf:c4
Signer

Actual PE Digest

d8:2a:3e:73:82:28:d5:28:8b:24:d5:6a:86:72:dd:97:b4:fc:3a:b7:c9:ed:de:1a:ff:fd:77:80:27:c0:bf:c4

Digest Algorithm

sha256

PE Digest Matches

true

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

version

VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW

kernel32

IsValidCodePage
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
SetEnvironmentVariableW
GetProcessHeap
SetFilePointerEx
GetCPInfo
SetConsoleCtrlHandler
FormatMessageA
WriteConsoleW
CloseHandle
WriteFile
GetLastError
GetCurrentProcess
GetCommandLineW
GetModuleHandleW
GetStdHandle
LocalFree
LocalAlloc
GetProcAddress
GetModuleFileNameW
GetFileType
GetVersionExW
LoadLibraryExW
SetLastError
ReadConsoleW
HeapSize
HeapReAlloc
GetOEMCP
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
DecodePointer
GetStartupInfoW
InterlockedPushEntrySList
InterlockedFlushSList
RtlUnwind
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
EncodePointer
RaiseException
SetStdHandle
ExitProcess
GetModuleHandleExW
GetConsoleMode
GetNumberOfConsoleInputEvents
PeekConsoleInputA
ReadConsoleInputA
SetConsoleMode
GetModuleFileNameA
MultiByteToWideChar
WideCharToMultiByte
GetCommandLineA
GetACP
HeapAlloc
HeapFree
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetCurrentThread
FlushFileBuffers
GetConsoleCP
ReadFile
CreateFileW
GetStringTypeW
OutputDebugStringA
OutputDebugStringW
WaitForSingleObjectEx
CreateThread
FindClose
FindFirstFileExA
FindFirstFileExW
FindNextFileA
FindNextFileW

user32

LoadCursorW
InflateRect
GetSysColorBrush
SetCursor
SetWindowTextW
GetDlgItem
SendMessageW
DialogBoxIndirectParamW
EndDialog

gdi32

StartPage
EndDoc
StartDocW
SetMapMode
GetDeviceCaps
EndPage

comdlg32

PrintDlgW

advapi32

SetEntriesInAclW
RegSetKeySecurity
LookupPrivilegeValueW
SetSecurityDescriptorOwner
SetSecurityDescriptorDacl
InitializeSecurityDescriptor
GetSidSubAuthorityCount
GetSidSubAuthority
GetSidIdentifierAuthority
IsValidSid
AdjustTokenPrivileges
GetTokenInformation
OpenProcessToken
RegSetValueExW
RegQueryValueExW
RegOpenKeyExW
RegOpenKeyW
RegCreateKeyW
RegCloseKey

Sections

.text
Size: 254KB - Virtual size: 253KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 64KB - Virtual size: 64KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 7KB

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: 9KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3139255730b05278872883e46827de09

Code Sign

33:00:00:01:87:72:17:72:15:59:40:c7:09:00:00:00:00:01:87Certificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

d8:2a:3e:73:82:28:d5:28:8b:24:d5:6a:86:72:dd:97:b4:fc:3a:b7:c9:ed:de:1a:ff:fd:77:80:27:c0:bf:c4Signer

Headers

DLL Characteristics

File Characteristics

Imports

version

kernel32

user32

gdi32

comdlg32

advapi32

Sections

.text Size: 254KB - Virtual size: 253KB

.rdata Size: 64KB - Virtual size: 64KB

.data Size: 3KB - Virtual size: 7KB

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

.reloc Size: 9KB - Virtual size: 9KB

33:00:00:01:87:72:17:72:15:59:40:c7:09:00:00:00:00:01:87
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

d8:2a:3e:73:82:28:d5:28:8b:24:d5:6a:86:72:dd:97:b4:fc:3a:b7:c9:ed:de:1a:ff:fd:77:80:27:c0:bf:c4
Signer

.text
Size: 254KB - Virtual size: 253KB

.rdata
Size: 64KB - Virtual size: 64KB

.data
Size: 3KB - Virtual size: 7KB

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

.reloc
Size: 9KB - Virtual size: 9KB