UpdateCheck[.]exe

Sharing

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General

Target

UpdateCheck.exe
Size

31KB
MD5

be4648601ae8ac30630f89b3b5c4ad7d
SHA1

c41d2a5b54a2bedbeb5c1ba8a47c5caf750b449c
SHA256

f3590c9dd7d087cc7ece3f676d16b1b3b9162713246955a9eded34e3fff6d3f9
SHA512

505e0a4cc86d0345661a9540fcdb208c4c9e88deb09f3e74a2caaf187a5904c0e4f169d5c20a00e176456213e56ce676e3ef024ac7315bc40dc5cc593c790dc3
SSDEEP

768:neexQ48ny9Z/LZTfyA4SCf2FK7rp9E+8iROxP:nDxQ48nUZ1TfyAFmQ+8iAxP

Score

1^/10

Malware Config

Signatures

Files

UpdateCheck.exe
.exe windows x86

51205448755388cd560b58c6fc3d1a2b

Code Sign

6b:32:6a:0f:03:28:d3:7a:1d:53:0b:fd:23:bd:48:e2
Certificate

Issuer

CN=Certum Trusted Network CA,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

29/10/2015, 11:30

Not After

09/06/2027, 11:30

Subject

CN=Certum Code Signing CA SHA2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

71:c3:e6:c6:7b:8c:e5:4f:c3:dc:14:a5:ef:a1:fa:04
Certificate

Issuer

CN=Certum Code Signing CA SHA2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

07/02/2020, 09:11

Not After

06/02/2023, 09:11

Subject

CN=Stanislav Zinukhov,O=Stanislav Zinukhov,L=Moscow,C=RU

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftKernelCodeSigning

Key Usages

KeyUsageDigitalSignature

8c:77:a0:00:8f:f4:d1:b0:c6:3d:9f:3a:48:83:8d:6b
Certificate

Issuer

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

23/10/2020, 00:00

Not After

22/01/2032, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #2,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

02/05/2019, 00:00

Not After

18/01/2038, 23:59

Subject

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

44:e5:17:ef:1b:ac:28:35:e7:de:a0:07:bc:94:3b:70:aa:1a:f4:13:20:44:cd:d3:03:15:6f:40:72:1c:40:b1
Signer

Actual PE Digest

44:e5:17:ef:1b:ac:28:35:e7:de:a0:07:bc:94:3b:70:aa:1a:f4:13:20:44:cd:d3:03:15:6f:40:72:1c:40:b1

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

api-ms-win-core-winrt-string-l1-1-0

WindowsGetStringRawBuffer
WindowsCreateStringReference
WindowsReplaceString
WindowsCreateString
WindowsDeleteString

api-ms-win-core-winrt-l1-1-0

RoInitialize
RoActivateInstance
RoUninitialize
RoGetActivationFactory

shlwapi

StrToIntW
SHStrDupW
ord12
StrStrIW
ord487

kernel32

LoadLibraryExA
GetProcAddress
FreeLibrary
CreateFileW
WriteFile
GetLastError
GetModuleFileNameW
CloseHandle
CreateProcessW
CreateDirectoryW
GetTempPathW
GetUserPreferredUILanguages
GetVersionExW
OutputDebugStringW
RaiseException
Sleep
GetCurrentThreadId
lstrcmpiW
GetCommandLineW
lstrlenW
ExitProcess

user32

DestroyWindow
PeekMessageW
DefWindowProcW
wvsprintfW
wsprintfW
CreateWindowExW
DispatchMessageW
SystemParametersInfoW

advapi32

RegSetKeyValueW
RegDeleteKeyValueW
RegGetValueW

ole32

CoRegisterClassObject
CoTaskMemFree
CoRevokeClassObject

winhttp

WinHttpOpen
WinHttpOpenRequest
WinHttpQueryHeaders
WinHttpCrackUrl
WinHttpCloseHandle
WinHttpReadData
WinHttpReceiveResponse
WinHttpSendRequest
WinHttpConnect

api-ms-win-core-path-l1-1-0

PathCchAddBackslash
PathCchAppend

msvcrt

??1type_info@@UAE@XZ
_vsnwprintf
??3@YAXPAX@Z
??2@YAPAXI@Z
_purecall
memset

Exports

Exports

?_Xbad_alloc@std@@YAXXZ
?_Xbad_function_call@std@@YAXXZ

Sections

.text
Size: 9KB - Virtual size: 9KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 96B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 784B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

51205448755388cd560b58c6fc3d1a2b

Code Sign

6b:32:6a:0f:03:28:d3:7a:1d:53:0b:fd:23:bd:48:e2Certificate

Extended Key Usages

Key Usages

71:c3:e6:c6:7b:8c:e5:4f:c3:dc:14:a5:ef:a1:fa:04Certificate

Extended Key Usages

Key Usages

8c:77:a0:00:8f:f4:d1:b0:c6:3d:9f:3a:48:83:8d:6bCertificate

Extended Key Usages

Key Usages

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9Certificate

Extended Key Usages

Key Usages

44:e5:17:ef:1b:ac:28:35:e7:de:a0:07:bc:94:3b:70:aa:1a:f4:13:20:44:cd:d3:03:15:6f:40:72:1c:40:b1Signer

Headers

DLL Characteristics

File Characteristics

Imports

api-ms-win-core-winrt-string-l1-1-0

api-ms-win-core-winrt-l1-1-0

shlwapi

kernel32

user32

advapi32

ole32

winhttp

api-ms-win-core-path-l1-1-0

msvcrt

Exports

Exports

Sections

.text Size: 9KB - Virtual size: 9KB

.rdata Size: 8KB - Virtual size: 7KB

.data Size: 512B - Virtual size: 96B

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

.reloc Size: 1024B - Virtual size: 784B

6b:32:6a:0f:03:28:d3:7a:1d:53:0b:fd:23:bd:48:e2
Certificate

71:c3:e6:c6:7b:8c:e5:4f:c3:dc:14:a5:ef:a1:fa:04
Certificate

8c:77:a0:00:8f:f4:d1:b0:c6:3d:9f:3a:48:83:8d:6b
Certificate

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

44:e5:17:ef:1b:ac:28:35:e7:de:a0:07:bc:94:3b:70:aa:1a:f4:13:20:44:cd:d3:03:15:6f:40:72:1c:40:b1
Signer

.text
Size: 9KB - Virtual size: 9KB

.rdata
Size: 8KB - Virtual size: 7KB

.data
Size: 512B - Virtual size: 96B

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

.reloc
Size: 1024B - Virtual size: 784B