UpdateCertificate[.]scr

Sharing

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General

Target

UpdateCertificate.scr
Size

262KB
MD5

952a26231656656a90a60e11db960ace
SHA1

8ce3592c572d7bb03f14370c26f0e4df9fe62028
SHA256

a93534a4e4b8d9ce1a4d0450c32e1d92260564d5de9124a7ad1c3dbe9b4fae14
SHA512

983bf778ac2c4c6fc145482d9657e351f748362bd8adf2313b5b14829b4630ceecbec021afa3457a80d5f3cba6673a3ac4393a1b26658db1eca9e12d90267261
SSDEEP

6144:g9+qOLo0jhNnMGmmUEebVF+rgn/6GM6wW:g9+pLPMG5U/argtMzW

Score

1^/10

Malware Config

Signatures

Files

UpdateCertificate.scr
.exe windows:5 windows x86

959a6730bc071cd048c8e4c56109bff6

Code Sign

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

22/10/2013, 12:00

Not After

22/10/2028, 12:00

Subject

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

09:70:ef:4b:ad:5c:c4:4a:1c:2b:c3:d9:64:01:67:4c
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

02/04/2020, 00:00

Not After

09/03/2023, 12:00

Subject

CN=Avast Software s.r.o.,OU=RE stapler cistodc,O=Avast Software s.r.o.,L=Praha,C=CZ

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

21/09/2022, 00:00

Not After

21/11/2033, 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

14:4b:e8:c3:98:91:01:a9:b2:c0:68:84:a6:bf:ed:3f:d7:fd:0a:fd:19:07:9c:e4:6d:14:14:34:d5:12:8f:3b
Signer

Actual PE Digest

14:4b:e8:c3:98:91:01:a9:b2:c0:68:84:a6:bf:ed:3f:d7:fd:0a:fd:19:07:9c:e4:6d:14:14:34:d5:12:8f:3b

Digest Algorithm

sha256

PE Digest Matches

false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

SetLastError
Sleep
GetFileSizeEx
WriteFile
SetEndOfFile
SetFilePointerEx
LocalFree
CloseHandle
MapViewOfFile
UnmapViewOfFile
CreateFileMappingW
EnumResourceNamesW
GetWindowsDirectoryW
CreateDirectoryW
CreateFileW
CreateThread
GetSystemTimeAsFileTime
GetNativeSystemInfo
lstrcatA
lstrlenA
GetVersionExA
GetCurrentProcess
GetExitCodeProcess
ResumeThread
ReleaseMutex
WaitForSingleObject
CreateMutexW
CreateProcessW
GetPrivateProfileIntW
GetPrivateProfileStringW
GetDiskFreeSpaceExW
CopyFileW
MoveFileExW
CreateHardLinkW
HeapAlloc
GetProcessHeap
HeapSetInformation
ExitProcess
IsProcessorFeaturePresent
lstrcpyW
GetModuleHandleW
GetSystemDirectoryW
SetDllDirectoryW
InterlockedExchange
LockResource
WriteConsoleW
FlushFileBuffers
GetConsoleMode
GetConsoleCP
SetStdHandle
LCMapStringW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCPInfo
GetOEMCP
IsValidCodePage
FindNextFileW
GetLastError
HeapFree
InterlockedExchangeAdd
GetVersionExW
FindResourceW
LoadLibraryW
SizeofResource
LoadResource
GlobalFree
GlobalUnlock
GlobalLock
FindFirstFileExW
FindClose
GlobalAlloc
FreeLibrary
RaiseException
GetSystemInfo
VirtualProtect
VirtualQuery
LoadLibraryExA
DecodePointer
GetVersion
HeapDestroy
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
DeviceIoControl
GetVolumeNameForVolumeMountPointW
GetVolumePathNameW
MultiByteToWideChar
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
TerminateProcess
OutputDebugStringW
RtlUnwind
EncodePointer
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
GetCommandLineA
GetCommandLineW
GetStdHandle
GetModuleFileNameW
GetModuleHandleExW
GetACP
GetStringTypeW
GetFileType
GetProcAddress

user32

GetMessageW
TranslateMessage
DispatchMessageW
AllowSetForegroundWindow
PostMessageW
wsprintfA
LoadStringW
MessageBoxExW
wsprintfW
SystemParametersInfoW
IsDialogMessageW
LoadImageW
DestroyIcon
FindWindowW
FillRect
InvalidateRect
EndPaint
BeginPaint
ReleaseDC
GetDC
SetForegroundWindow
GetSystemMetrics
KillTimer
SetTimer
SetFocus
SetWindowPos
DestroyWindow
CreateWindowExW
RegisterClassExW
PostQuitMessage
DefWindowProcW
SendMessageW

gdi32

GetTextExtentPoint32W
GetObjectW
CreateDIBSection
SelectObject
CreateFontIndirectW
DeleteObject
CreateSolidBrush
CreatePatternBrush

advapi32

CryptDestroyHash
CryptHashData
CryptCreateHash
CryptGenRandom
CryptGetHashParam
CryptReleaseContext
CryptAcquireContextA
GetSidSubAuthorityCount
GetSidSubAuthority
IsValidSid
GetTokenInformation
OpenProcessToken
ConvertStringSecurityDescriptorToSecurityDescriptorA

ole32

CoCreateInstance
CreateStreamOnHGlobal
CoInitializeEx

comctl32

ord17

Sections

.text
Size: 132KB - Virtual size: 132KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 40KB - Virtual size: 39KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.didat
Size: 512B - Virtual size: 76B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 69KB - Virtual size: 68KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

959a6730bc071cd048c8e4c56109bff6

Code Sign

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08Certificate

Extended Key Usages

Key Usages

09:70:ef:4b:ad:5c:c4:4a:1c:2b:c3:d9:64:01:67:4cCertificate

Extended Key Usages

Key Usages

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5aCertificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

14:4b:e8:c3:98:91:01:a9:b2:c0:68:84:a6:bf:ed:3f:d7:fd:0a:fd:19:07:9c:e4:6d:14:14:34:d5:12:8f:3bSigner

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

advapi32

ole32

comctl32

Sections

.text Size: 132KB - Virtual size: 132KB

.rdata Size: 40KB - Virtual size: 39KB

.data Size: 2KB - Virtual size: 5KB

.didat Size: 512B - Virtual size: 76B

.rsrc Size: 69KB - Virtual size: 68KB

.reloc Size: 7KB - Virtual size: 7KB

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

09:70:ef:4b:ad:5c:c4:4a:1c:2b:c3:d9:64:01:67:4c
Certificate

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

14:4b:e8:c3:98:91:01:a9:b2:c0:68:84:a6:bf:ed:3f:d7:fd:0a:fd:19:07:9c:e4:6d:14:14:34:d5:12:8f:3b
Signer

.text
Size: 132KB - Virtual size: 132KB

.rdata
Size: 40KB - Virtual size: 39KB

.data
Size: 2KB - Virtual size: 5KB

.didat
Size: 512B - Virtual size: 76B

.rsrc
Size: 69KB - Virtual size: 68KB

.reloc
Size: 7KB - Virtual size: 7KB