windowsupdateagent-7[.]6-x86[.]exe

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General

Target

windowsupdateagent-7.6-x86.exe
Size

9.3MB
MD5

8c8c7afec7c17837bee660dcbd035bd0
SHA1

e901a9994f10cf31f557e84ad27688fd368c7611
SHA256

9fc6856827123d0391a2c7451ccb1cbf93261442252dd87819ad5b8db72b0ec0
SHA512

91aeac16aa65cdfeb79b3cb1b88c82fd15577458176904dc082e02a05cc0c0eed38c58c8aa5fb081eba03d5eb7615cfb0ec38dab5a6e286950b69e032ba61bb9
SSDEEP

196608:kbou8KGmme8zM8RrWozfdwDpLzzpz6zU6WXcay16lVyzOQAUzjTU9AUnHLaQo:k0RzmmDzvRHYLpz6ABXfnfqOQNznQ2l

Score

1^/10

Malware Config

Signatures

Files

windowsupdateagent-7.6-x86.exe
.exe windows x86

28ed628a65d0645bed36d00d5eb75dac

Code Sign

33:00:00:00:4c:a1:e8:4d:cc:b4:74:7b:3b:00:00:00:00:00:4c
Certificate

Issuer

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

Not Before

11/11/2013, 22:11

Not After

11/02/2015, 22:11

Subject

CN=Microsoft Time-Stamp Service,OU=MOPR+OU=nCipher DSE ESN:C0F4-3086-DEF8,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

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

33:00:00:00:08:9f:e2:e3:d3:a6:94:cf:a4:00:00:00:00:00:08
Certificate

Issuer

CN=Microsoft Update Signing CA 1.1,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

02/07/2013, 21:21

Not After

02/10/2014, 21:21

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

33:00:00:00:37:69:68:1e:8d:c4:0d:ac:ff:00:00:00:00:00:37
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

31/05/2012, 06:01

Not After

09/05/2021, 23:28

Subject

CN=Microsoft Update Signing CA 1.1,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:00:08:6a:ea:3b:e3:d6:1e:15:6d:00:00:00:00:00:08
Certificate

Issuer

CN=Microsoft Update Signing CA 2.2,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

27/08/2013, 17:46

Not After

27/11/2014, 17:46

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

33:00:00:00:08:59:e3:94:e0:54:c7:17:5d:00:00:00:00:00:08
Certificate

Issuer

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

Not Before

19/06/2012, 22:53

Not After

19/06/2027, 23:03

Subject

CN=Microsoft Update Signing CA 2.2,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

c7:16:d3:c4:45:19:9c:db:e0:29:fe:d5:58:3f:71:5c:29:2c:7c:c0:6d:4a:b7:9e:55:7a:74:b8:f8:aa:69:30
Signer

Actual PE Digest

c7:16:d3:c4:45:19:9c:db:e0:29:fe:d5:58:3f:71:5c:29:2c:7c:c0:6d:4a:b7:9e:55:7a:74:b8:f8:aa:69:30

Digest Algorithm

sha256

PE Digest Matches

true

fa:7c:da:10:8c:80:f0:0a:a9:b5:d4:90:54:ae:98:9f:9a:46:e5:b0
Signer

Actual PE Digest

fa:7c:da:10:8c:80:f0:0a:a9:b5:d4:90:54:ae:98:9f:9a:46:e5:b0

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
IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP
IMAGE_FILE_NET_RUN_FROM_SWAP

Imports

advapi32

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

kernel32

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

user32

LoadStringA
SetParent
SendMessageA
MessageBoxA
EndDialog
ShowWindow
DialogBoxParamA
SendDlgItemMessageA

msvcrt

_XcptFilter
__p__commode
_amsg_exit
__getmainargs
__set_app_type
exit
_exit
_cexit
__p__fmode
__setusermatherr
_initterm
memcpy
memset
?terminate@@YAXXZ
_controlfp
isleadbyte
_fileno
_iob
_snprintf
_itoa
wctomb
__badioinfo
__pioinfo
_isatty
_write
_lseeki64
_errno
_strlwr
_strnicmp
strrchr
towlower
_wcsicmp
_stricmp
_vsnprintf
tolower
strchr
strstr
free
malloc

ntdll

NtAdjustPrivilegesToken
NtOpenProcessToken
NtClose
NtShutdownSystem
RtlUnwind

comctl32

ord17

shell32

SHGetPathFromIDListA
SHBrowseForFolderA

cabinet

ord21
ord20
ord22

shlwapi

PathCombineA
PathAddBackslashA

Sections

.text
Size: 22KB - Virtual size: 22KB

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

.idata
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.magic
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 4KB - Virtual size: 3KB

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

28ed628a65d0645bed36d00d5eb75dac

Code Sign

33:00:00:00:4c:a1:e8:4d:cc:b4:74:7b:3b:00:00:00:00:00:4cCertificate

Extended Key Usages

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

Extended Key Usages

Key Usages

33:00:00:00:08:9f:e2:e3:d3:a6:94:cf:a4:00:00:00:00:00:08Certificate

Extended Key Usages

33:00:00:00:37:69:68:1e:8d:c4:0d:ac:ff:00:00:00:00:00:37Certificate

Extended Key Usages

Key Usages

33:00:00:00:08:6a:ea:3b:e3:d6:1e:15:6d:00:00:00:00:00:08Certificate

Extended Key Usages

33:00:00:00:08:59:e3:94:e0:54:c7:17:5d:00:00:00:00:00:08Certificate

Extended Key Usages

Key Usages

c7:16:d3:c4:45:19:9c:db:e0:29:fe:d5:58:3f:71:5c:29:2c:7c:c0:6d:4a:b7:9e:55:7a:74:b8:f8:aa:69:30Signer

fa:7c:da:10:8c:80:f0:0a:a9:b5:d4:90:54:ae:98:9f:9a:46:e5:b0Signer

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

user32

msvcrt

ntdll

comctl32

shell32

cabinet

shlwapi

Sections

.text Size: 22KB - Virtual size: 22KB

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

.idata Size: 4KB - Virtual size: 3KB

.magic Size: 512B - Virtual size: 12B

.rsrc Size: 4KB - Virtual size: 3KB

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

33:00:00:00:4c:a1:e8:4d:cc:b4:74:7b:3b:00:00:00:00:00:4c
Certificate

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

33:00:00:00:08:9f:e2:e3:d3:a6:94:cf:a4:00:00:00:00:00:08
Certificate

33:00:00:00:37:69:68:1e:8d:c4:0d:ac:ff:00:00:00:00:00:37
Certificate

33:00:00:00:08:6a:ea:3b:e3:d6:1e:15:6d:00:00:00:00:00:08
Certificate

33:00:00:00:08:59:e3:94:e0:54:c7:17:5d:00:00:00:00:00:08
Certificate

c7:16:d3:c4:45:19:9c:db:e0:29:fe:d5:58:3f:71:5c:29:2c:7c:c0:6d:4a:b7:9e:55:7a:74:b8:f8:aa:69:30
Signer

fa:7c:da:10:8c:80:f0:0a:a9:b5:d4:90:54:ae:98:9f:9a:46:e5:b0
Signer

.text
Size: 22KB - Virtual size: 22KB

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

.idata
Size: 4KB - Virtual size: 3KB

.magic
Size: 512B - Virtual size: 12B

.rsrc
Size: 4KB - Virtual size: 3KB

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