Windows10Upgrade28084[.]exe

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General

Target

Windows10Upgrade28084.exe
Size

5.5MB
MD5

a840132c5fab5018f6bb0ae4c784b9d5
SHA1

d306a3a0a0db86540773a2465762931684d9fd57
SHA256

a73b69d157398d48c16a8195cfb9de5b761ff332373b7edd06ac32f1a94de876
SHA512

2330dcfd8336f38fcd6573caf3735efdaaa2cc927b4914d003efea7f4b4cce19606bad8d060213a264beb57efaa08b10996d1f95cce0e5d52a4b142189f0ccc8
SSDEEP

98304:ypcwS0lhr3JXgT43a8uTWG5ZDzauaZisQn2oB4vH3Cs6d49ORwN:A7S0ld3JAYaXTXNaRQnB4/ys6dWORwN

Score

1^/10

Malware Config

Signatures

Files

Windows10Upgrade28084.exe
.exe windows:6 windows x86 arch:x86

8912ae5353bd6237e2ba61ba67aff16b

Code Sign

33:00:00:00:9b:e0:74:37:cb:3d:4d:8d:2e:00:00:00:00:00:9b
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:728D-C45F-F9EB,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

82:32:48:cf:89:25:00:8e:f6:77:92:b6:18:f7:27:5b:e9:c3:b7:db:bb:f1:fd:e6:37:be:57:39:42:05:e0:2d
Signer

Actual PE Digest

82:32:48:cf:89:25:00:8e:f6:77:92:b6:18:f7:27:5b:e9:c3:b7:db:bb:f1:fd:e6:37:be:57:39:42:05:e0:2d

Digest Algorithm

sha256

PE Digest Matches

true

3f:55:8c:5f:06:ca:43:8a:64:fe:39:27:f0:38:06:fa:6e:d7:9c:cf
Signer

Actual PE Digest

3f:55:8c:5f:06:ca:43:8a:64:fe:39:27:f0:38:06:fa:6e:d7:9c:cf

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

advapi32

RegCreateKeyExW
RegDeleteKeyW
RegCloseKey
RegSetValueExW
GetSecurityDescriptorOwner
GetSecurityDescriptorGroup
GetSecurityDescriptorDacl
GetSecurityDescriptorSacl
GetSecurityDescriptorControl
GetSecurityDescriptorLength
GetAclInformation
OpenEncryptedFileRawW
WriteEncryptedFileRaw
CloseEncryptedFileRaw
ImpersonateSelf
RevertToSelf

kernel32

GetOverlappedResult
GetSystemInfo
SetThreadIdealProcessor
GetCurrentThread
GetVolumeInformationW
TlsAlloc
TlsFree
TlsGetValue
CreateEventW
LockFileEx
UnlockFileEx
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
CreateSemaphoreW
ReleaseSemaphore
WaitForMultipleObjects
GetHandleInformation
TlsSetValue
LocalAlloc
FileTimeToSystemTime
InitializeCriticalSectionAndSpinCount
InterlockedDecrement
GetModuleHandleExW
OpenMutexW
OpenProcess
LocalFileTimeToFileTime
SetFileTime
DosDateTimeToFileTime
DuplicateHandle
GetShortPathNameW
SetEndOfFile
HeapSize
HeapReAlloc
ReadFile
GetFileSizeEx
SetFilePointerEx
GlobalFree
GlobalAlloc
RemoveDirectoryW
InterlockedExchangeAdd
CreateThread
DeleteFileW
CloseHandle
ReleaseMutex
DeleteCriticalSection
GetUserDefaultUILanguage
GetExitCodeThread
EnterCriticalSection
GetProcAddress
GetLastError
VerifyVersionInfoW
GetTempPathW
WritePrivateProfileStringW
CompareStringW
GetFileAttributesW
LeaveCriticalSection
InitializeCriticalSection
GetModuleHandleW
WaitForSingleObject
CreateDirectoryW
VerSetConditionMask
CreateMutexW
GetTempFileNameW
GetEnvironmentVariableW
GetCommandLineW
GetFullPathNameW
InterlockedIncrement
Sleep
InterlockedExchange
InterlockedCompareExchange
GetStartupInfoA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
OutputDebugStringA
GetModuleHandleA
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
GetTickCount
FindFirstFileW
HeapFree
GetProcessHeap
SetLastError
FindClose
FindNextFileW
CopyFileExW
HeapAlloc
CreateFileW
DeviceIoControl
GetFileInformationByHandle
SetFileAttributesW
GetDriveTypeW
GetModuleFileNameW
FreeLibrary
SetEvent
LoadLibraryW
FormatMessageW
LocalFree
CreateFileA
SetFilePointer
WriteFile
WideCharToMultiByte

user32

MessageBoxW
SendMessageW
LoadStringW

msvcrt

wcsrchr
_wcsicmp
wcschr
_wcsnicmp
_vscwprintf
towupper
_purecall
memcmp
qsort
wcsncmp
_vsnwprintf
?what@exception@@UBEPBDXZ
??1exception@@UAE@XZ
??0exception@@QAE@ABQBD@Z
??0exception@@QAE@ABV0@@Z
iswdigit
_vsnprintf
_controlfp
?terminate@@YAXXZ
memmove
memset
memcpy
??1type_info@@UAE@XZ
_onexit
__dllonexit
_unlock
_lock
_acmdln
_initterm
__setusermatherr
_ismbblead
__p__fmode
_cexit
_exit
exit
__set_app_type
__getmainargs
_amsg_exit
__p__commode
_XcptFilter
_callnewh
malloc
free
_CxxThrowException
??0exception@@QAE@XZ
__CxxFrameHandler
_errno
iswspace

ole32

CoCreateInstance
CoUninitialize
CoInitialize

rpcrt4

RpcStringFreeW
UuidCreate

shell32

SHGetFolderPathW
ShellExecuteExW
CommandLineToArgvW

ntdll

RtlAllocateHeap
RtlFreeHeap
RtlDosPathNameToNtPathName_U
RtlNtStatusToDosError
NtSetInformationFile
RtlReAllocateHeap
RtlDeleteCriticalSection
RtlUnwind
RtlSetControlSecurityDescriptor
NtSetSecurityObject
RtlAdjustPrivilege
RtlInitializeResource
RtlAcquireResourceExclusive
RtlAcquireResourceShared
RtlReleaseResource
RtlDeleteResource
RtlLeaveCriticalSection
RtlInitializeCriticalSection
RtlRaiseStatus
RtlEnterCriticalSection
NtYieldExecution

shlwapi

PathFindFileNameW
StrStrIW

cabinet

ord22
ord20
ord23

version

GetFileVersionInfoW
VerQueryValueW
GetFileVersionInfoSizeW

psapi

GetModuleFileNameExW
EnumProcesses

Sections

.text
Size: 413KB - Virtual size: 412KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.boxload
Size: 512B - Virtual size: 86B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 125KB - Virtual size: 128KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

8912ae5353bd6237e2ba61ba67aff16b

Code Sign

33:00:00:00:9b:e0:74:37:cb:3d:4d:8d:2e:00:00:00:00:00:9bCertificate

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

82:32:48:cf:89:25:00:8e:f6:77:92:b6:18:f7:27:5b:e9:c3:b7:db:bb:f1:fd:e6:37:be:57:39:42:05:e0:2dSigner

3f:55:8c:5f:06:ca:43:8a:64:fe:39:27:f0:38:06:fa:6e:d7:9c:cfSigner

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

user32

msvcrt

ole32

rpcrt4

shell32

ntdll

shlwapi

cabinet

version

psapi

Sections

.text Size: 413KB - Virtual size: 412KB

.data Size: 2KB - Virtual size: 7KB

.idata Size: 6KB - Virtual size: 5KB

.boxload Size: 512B - Virtual size: 86B

.rsrc Size: 125KB - Virtual size: 128KB

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

33:00:00:00:9b:e0:74:37:cb:3d:4d:8d:2e:00:00:00:00:00:9b
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

82:32:48:cf:89:25:00:8e:f6:77:92:b6:18:f7:27:5b:e9:c3:b7:db:bb:f1:fd:e6:37:be:57:39:42:05:e0:2d
Signer

3f:55:8c:5f:06:ca:43:8a:64:fe:39:27:f0:38:06:fa:6e:d7:9c:cf
Signer

.text
Size: 413KB - Virtual size: 412KB

.data
Size: 2KB - Virtual size: 7KB

.idata
Size: 6KB - Virtual size: 5KB

.boxload
Size: 512B - Virtual size: 86B

.rsrc
Size: 125KB - Virtual size: 128KB

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