WindowsXP-KB927891-v3-x86-ENU[.]exe

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General

Target

WindowsXP-KB927891-v3-x86-ENU.exe
Size

1.2MB
MD5

adb6aa3190443232b2491160b587a6db
SHA1

831fc2b9075b0a490adf15d2c5452e01e6feaa17
SHA256

3397d3f584aed506d07142700b81b231b4eefc02094eb514c00264b86f01be56
SHA512

a8048316e176c465d28ec08aca708cbeaa1bd67877382221d9f1451af62d5df0fde33b570c95b24dd89729ef3a734be2e04a9059c525978292cea0ddfff1ffba
SSDEEP

24576:ESKHhciR90onVH/VN8iZ/XMN3sOsWj6bi45GEmVcaoAYOu6zAJh7TgnYgM:ESKHuiR90onVfIiBgnsWjMGdSaoKzAJQ

Score

1^/10

Malware Config

Signatures

Files

WindowsXP-KB927891-v3-x86-ENU.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

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

61:47:52:ba:00:00:00:00:00:04
Certificate

Issuer

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

Not Before

16/09/2006, 01:53

Not After

16/09/2011, 02:03

Subject

CN=Microsoft Timestamping Service,OU=nCipher DSE ESN:D8A9-CFCC-579C,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

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

6a:0b:99:4f:c0:00:1d:ab:11:da:c4:02:a1:66:27:ba
Certificate

Issuer

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

Not Before

04/04/2006, 17:44

Not After

26/04/2012, 07:00

Subject

CN=Microsoft Code Signing PCA,OU=Copyright (c) 2000 Microsoft Corp.,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageContentCommitment
KeyUsageCertSign
KeyUsageCRLSign

61:46:9e:cb:00:04:00:00:00:65
Certificate

Issuer

CN=Microsoft Code Signing PCA,OU=Copyright (c) 2000 Microsoft Corp.,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

04/04/2006, 19:43

Not After

04/10/2007, 19:53

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

98:76:f0:c0:06:6a:e8:d7:16:29:7d:a4:25:22:5b:4d:59:b1:e3:b3
Signer

Actual PE Digest

98:76:f0:c0:06:6a:e8:d7:16:29:7d:a4:25:22:5b:4d:59:b1:e3:b3

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: 1.2MB - Virtual size: 3KB

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

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

61:47:52:ba:00:00:00:00:00:04Certificate

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

6a:0b:99:4f:c0:00:1d:ab:11:da:c4:02:a1:66:27:baCertificate

Extended Key Usages

Key Usages

61:46:9e:cb:00:04:00:00:00:65Certificate

Extended Key Usages

Key Usages

98:76:f0:c0:06:6a:e8:d7:16:29:7d:a4:25:22:5b:4d:59:b1:e3:b3Signer

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: 1.2MB - Virtual size: 3KB

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

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

61:47:52:ba:00:00:00:00:00:04
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

6a:0b:99:4f:c0:00:1d:ab:11:da:c4:02:a1:66:27:ba
Certificate

61:46:9e:cb:00:04:00:00:00:65
Certificate

98:76:f0:c0:06:6a:e8:d7:16:29:7d:a4:25:22:5b:4d:59:b1:e3:b3
Signer

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

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

.rsrc
Size: 1.2MB - Virtual size: 3KB