RegDelNull[.]exe

Sharing

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General

Target

RegDelNull.exe
Size

145KB
MD5

ef0c15d5617d24e51f691b59860fd229
SHA1

92cdba2e158500093ec051e130633cb92afc701b
SHA256

be4a2091bd2a1c096ab54239ecfcedafea7769149aa68945093c80cf94245b63
SHA512

fdddc563427f8e0431c1b8ee88382a127e231ece2463f30a4f3b16432f168096bc513d408b49564d9860fb1f8698175d64b60b7c880764e174ae3267e8768a65
SSDEEP

3072:M/wbo8YiT1ZhKZUF7QXXafxftLdwzxgk1QEB:t9V7QHULgF7

Score

1^/10

Malware Config

Signatures

Files

RegDelNull.exe
.exe windows:5 windows x86 arch:x86

889e8ce42abd2d0e0e798b908d7ad351

Code Sign

33:00:00:00:99:aa:c5:81:9f:8c:a2:7d:8a:00:00:00:00:00:99
Certificate

Issuer

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

30/03/2016, 19:21

Not After

30/06/2017, 19:21

Subject

CN=Microsoft Time-Stamp Service,OU=MOPR+OU=nCipher DSE ESN:98FD-C61E-E641,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

33:00:00:01:0a:2c:79:ae:d7:79:7b:a6:ac:00:01:00:00:01:0a
Certificate

Issuer

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

Not Before

04/06/2015, 17:42

Not After

04/09/2016, 17:42

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

61:33:26:1a:00:00:00:00:00:31
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

31/08/2010, 22:19

Not After

31/08/2020, 22:29

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

61:16:68:34:00:00:00:00:00:1c
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

03/04/2007, 12:53

Not After

03/04/2021, 13:03

Subject

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:00:64:47:84:94:86:db:41:19:38:00:00:00:00:00:64
Certificate

Issuer

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

Not Before

28/10/2015, 20:31

Not After

28/01/2017, 20:31

Subject

CN=Microsoft Corporation,OU=MOPR,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

9f:37:83:f4:7f:56:3d:73:25:4c:21:ce:0c:58:73:e0:45:de:2e:51:0f:65:b6:39:3b:df:bc:dd:52:2b:58:28
Signer

Actual PE Digest

9f:37:83:f4:7f:56:3d:73:25:4c:21:ce:0c:58:73:e0:45:de:2e:51:0f:65:b6:39:3b:df:bc:dd:52:2b:58:28

Digest Algorithm

sha256

PE Digest Matches

true

c2:b9:b3:81:b4:fe:28:0b:b4:b5:9e:24:48:28:7c:42:db:5b:66:07
Signer

Actual PE Digest

c2:b9:b3:81:b4:fe:28:0b:b4:b5:9e:24:48:28:7c:42:db:5b:66:07

Digest Algorithm

sha1

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

WriteConsoleW
ReadConsoleW
OutputDebugStringW
SetFilePointerEx
FormatMessageA
CloseHandle
WriteFile
SetLastError
GetLastError
GetCurrentProcess
GetCommandLineW
GetModuleHandleW
LoadLibraryW
GetStdHandle
LocalFree
LocalAlloc
GetProcAddress
GetModuleFileNameW
GetFileType
LCMapStringW
HeapReAlloc
DecodePointer
EnterCriticalSection
LeaveCriticalSection
SetStdHandle
HeapAlloc
EncodePointer
HeapSize
ExitProcess
GetModuleHandleExW
MultiByteToWideChar
WideCharToMultiByte
HeapFree
GetConsoleMode
ReadConsoleInputA
SetConsoleMode
DeleteCriticalSection
FlushFileBuffers
GetConsoleCP
IsDebuggerPresent
IsProcessorFeaturePresent
ReadFile
GetStartupInfoW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
Sleep
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCurrentThreadId
GetProcessHeap
LoadLibraryExW
CreateFileW
GetStringTypeW
RtlUnwind
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetEnvironmentStringsW
FreeEnvironmentStringsW

user32

LoadCursorW
InflateRect
GetSysColorBrush
SetCursor
SetWindowTextW
GetDlgItem
EndDialog
DialogBoxIndirectParamW
SendMessageW

gdi32

GetDeviceCaps
EndPage
StartPage
EndDoc
StartDocW
SetMapMode

comdlg32

PrintDlgW

advapi32

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

Sections

.text
Size: 69KB - Virtual size: 69KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 48KB - Virtual size: 47KB

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: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

889e8ce42abd2d0e0e798b908d7ad351

Code Sign

33:00:00:00:99:aa:c5:81:9f:8c:a2:7d:8a:00:00:00:00:00:99Certificate

Extended Key Usages

33:00:00:01:0a:2c:79:ae:d7:79:7b:a6:ac:00:01:00:00:01:0aCertificate

Extended Key Usages

61:33:26:1a:00:00:00:00:00:31Certificate

Key Usages

61:16:68:34:00:00:00:00:00:1cCertificate

Extended Key Usages

Key Usages

33:00:00:00:64:47:84:94:86:db:41:19:38:00:00:00:00:00:64Certificate

Extended Key Usages

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

Key Usages

9f:37:83:f4:7f:56:3d:73:25:4c:21:ce:0c:58:73:e0:45:de:2e:51:0f:65:b6:39:3b:df:bc:dd:52:2b:58:28Signer

c2:b9:b3:81:b4:fe:28:0b:b4:b5:9e:24:48:28:7c:42:db:5b:66:07Signer

Headers

DLL Characteristics

File Characteristics

Imports

version

kernel32

user32

gdi32

comdlg32

advapi32

Sections

.text Size: 69KB - Virtual size: 69KB

.rdata Size: 48KB - Virtual size: 47KB

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

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

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

33:00:00:00:99:aa:c5:81:9f:8c:a2:7d:8a:00:00:00:00:00:99
Certificate

33:00:00:01:0a:2c:79:ae:d7:79:7b:a6:ac:00:01:00:00:01:0a
Certificate

61:33:26:1a:00:00:00:00:00:31
Certificate

61:16:68:34:00:00:00:00:00:1c
Certificate

33:00:00:00:64:47:84:94:86:db:41:19:38:00:00:00:00:00:64
Certificate

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

9f:37:83:f4:7f:56:3d:73:25:4c:21:ce:0c:58:73:e0:45:de:2e:51:0f:65:b6:39:3b:df:bc:dd:52:2b:58:28
Signer

c2:b9:b3:81:b4:fe:28:0b:b4:b5:9e:24:48:28:7c:42:db:5b:66:07
Signer

.text
Size: 69KB - Virtual size: 69KB

.rdata
Size: 48KB - Virtual size: 47KB

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

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

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