windowsupdateagent30-x86[.]exe

Sharing

Copy URL

Twitter E-mail

General

Target

windowsupdateagent30-x86.exe
Size

5.9MB
MD5

dfdac865158c06068cc4f529e06eae19
SHA1

7413ab7a79be2286f8ff03a24fd353a0455bc81e
SHA256

3dc3ab0add514e0f2780a7d40b310d373fb84087060e16dcf1004f9e2b84de7c
SHA512

836ef54fffe73814730d9402683653d36dc005535b2af8bbd48adaa970f862b2064330981b2848b7e09be21fe9be853fa5590d46e0ef99cbd85f21346a2c9188
SSDEEP

98304:9SGsC0ReCbRU5wwWNUieSDDUwJ35dUgq6nr700jezucEZ8ZAy9ngTcR3pf6L:936eCGwwWNd5DDUwjdUhoHe9EZ8ZfgiE

Score

1^/10

Malware Config

Signatures

Files

windowsupdateagent30-x86.exe
.exe windows:5 windows x86 arch:x86

26862adec39b3e745b2122e30d4c8282

Code Sign

c1:00:8b:3c:3c:88:11:d1:3e:f6:63:ec:df:40
Certificate

Issuer

CN=Microsoft Root Authority,OU=Copyright (c) 1997 Microsoft Corp.+OU=Microsoft Corporation

Not Before

10/01/1997, 07:00

Not After

31/12/2020, 07:00

Subject

CN=Microsoft Root Authority,OU=Copyright (c) 1997 Microsoft Corp.+OU=Microsoft Corporation

2e:ab:11:dc:50:ff:5c:9d:cb:c0
Certificate

Issuer

CN=Microsoft Root Authority,OU=Copyright (c) 1997 Microsoft Corp.+OU=Microsoft Corporation

Not Before

22/08/2007, 22:31

Not After

25/08/2012, 07:00

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

61:0f:78:4d:00:00:00:00:00:03
Certificate

Issuer

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

Not Before

23/08/2007, 00:23

Not After

23/02/2009, 00:33

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

61:49:7c:ed:00:00:00:00:00:05
Certificate

Issuer

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

Not Before

16/09/2006, 01:55

Not After

16/09/2011, 02:05

Subject

CN=Microsoft Timestamping Service,OU=nCipher DSE ESN:10D8-5847-CBF8,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

6a:0b:99:4f:c0:00:25:ab:11:db:45:1f:58:7a:67:a2
Certificate

Issuer

CN=Microsoft Root Authority,OU=Copyright (c) 1997 Microsoft Corp.+OU=Microsoft Corporation

Not Before

16/09/2006, 01:04

Not After

15/09/2019, 07:00

Subject

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

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

1e:54:ab:98:d3:22:c1:55:7e:ca:05:88:b7:c2:49:31:4f:ea:10:32
Signer

Actual PE Digest

1e:54:ab:98:d3:22:c1:55:7e:ca:05:88:b7:c2:49:31:4f:ea:10:32

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP
IMAGE_FILE_NET_RUN_FROM_SWAP

Imports

kernel32

CreateFileA
GetDriveTypeA
HeapFree
FormatMessageA
LeaveCriticalSection
DeleteFileA
EnterCriticalSection
TerminateProcess
WaitForMultipleObjects
CreateEventW
SetEvent
Sleep
SetEnvironmentVariableA
GetEnvironmentVariableA
WideCharToMultiByte
HeapAlloc
SetLastError
WriteFile
MoveFileA
ExitProcess
DeleteCriticalSection
FlushFileBuffers
WaitForSingleObject
OpenEventA
GetCurrentProcess
GetFileAttributesA
GetCommandLineA
GetModuleFileNameA
DeviceIoControl
FindNextFileA
FindFirstFileA
CopyFileA
SetFileAttributesA
SystemTimeToFileTime
GetSystemTime
GetDiskFreeSpaceA
QueryDosDeviceA
GetCurrentDirectoryA
SetEndOfFile
SetFileTime
LocalFileTimeToFileTime
DosDateTimeToFileTime
GetExitCodeProcess
CreateProcessA
ExpandEnvironmentStringsA
GetFileSize
CreateThread
CreateEventA
GetProcessHeap
InitializeCriticalSectionAndSpinCount
GetModuleHandleA
QueryPerformanceCounter
GetCurrentThreadId
GetCurrentProcessId
GetSystemTimeAsFileTime
SetUnhandledExceptionFilter
GetSystemDirectoryA
CloseHandle
LoadLibraryA
GetProcAddress
FreeLibrary
SetErrorMode
GetTickCount
CreateDirectoryA
GetLastError
RemoveDirectoryA
MoveFileExA
SetFilePointer
ReadFile
FindClose
GetVersionExA

msvcrt

sprintf
strchr
_strnicmp
_stricmp
strrchr
_strlwr
strncpy
strstr
_vsnprintf
_snprintf

advapi32

OpenProcessToken
GetLengthSid
InitiateSystemShutdownA
AllocateAndInitializeSid
CryptReleaseContext
CryptGenRandom
CryptAcquireContextA
SetSecurityDescriptorDacl
AddAccessAllowedAce
InitializeAcl
InitializeSecurityDescriptor
GetTokenInformation

user32

ShowWindow
SendDlgItemMessageA
SendMessageA
DialogBoxParamA
MessageBoxA
LoadStringA
EndDialog
SetParent

ntdll

NtShutdownSystem
NtAdjustPrivilegesToken
NtClose
NtOpenProcessToken

comctl32

ord17

shell32

SHBrowseForFolderA
SHGetPathFromIDListA

Sections

.text
Size: 30KB - Virtual size: 30KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 68KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 5.9MB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

26862adec39b3e745b2122e30d4c8282

Code Sign

c1:00:8b:3c:3c:88:11:d1:3e:f6:63:ec:df:40Certificate

2e:ab:11:dc:50:ff:5c:9d:cb:c0Certificate

Extended Key Usages

Key Usages

61:0f:78:4d:00:00:00:00:00:03Certificate

Extended Key Usages

Key Usages

61:49:7c:ed:00:00:00:00:00:05Certificate

Extended Key Usages

Key Usages

6a:0b:99:4f:c0:00:25:ab:11:db:45:1f:58:7a:67:a2Certificate

Extended Key Usages

Key Usages

1e:54:ab:98:d3:22:c1:55:7e:ca:05:88:b7:c2:49:31:4f:ea:10:32Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

advapi32

user32

ntdll

comctl32

shell32

Sections

.text Size: 30KB - Virtual size: 30KB

.data Size: 512B - Virtual size: 68KB

.rsrc Size: 5.9MB - Virtual size: 2KB

c1:00:8b:3c:3c:88:11:d1:3e:f6:63:ec:df:40
Certificate

2e:ab:11:dc:50:ff:5c:9d:cb:c0
Certificate

61:0f:78:4d:00:00:00:00:00:03
Certificate

61:49:7c:ed:00:00:00:00:00:05
Certificate

6a:0b:99:4f:c0:00:25:ab:11:db:45:1f:58:7a:67:a2
Certificate

1e:54:ab:98:d3:22:c1:55:7e:ca:05:88:b7:c2:49:31:4f:ea:10:32
Signer

.text
Size: 30KB - Virtual size: 30KB

.data
Size: 512B - Virtual size: 68KB

.rsrc
Size: 5.9MB - Virtual size: 2KB