WeChatBackup[.]exe

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General

Target

WeChatBackup.exe
Size

4.6MB
MD5

f81556b4227fcbbec8dc7bf92c829c51
SHA1

8b3101ea19f929b5e9d90efc0c7693962fa33fa3
SHA256

35c91f63fa6179ffcd6def655a2fc07e38ac7145a355c2077fac1b3c19ff6a87
SHA512

ba18ddb9ada8e39e37411c28824dc2b4f253224cb63517f5092edc0208e43fdaa82a867d6b24a6b71a4b0c374aebdf17a9920f6cc20b92028b1cda0730a09701
SSDEEP

98304:gFZocjOYCIossQIyn2mz/AqrKHUzJbE6UE4LqCk1n+hAcTOGa672e97OLG:5cjOY9os7rz4qrKHUzJblg21nkAzGaaN

Score

1^/10

Malware Config

Signatures

Files

WeChatBackup.exe
.exe windows x86

4cfda23baf1e2e983ddfeca47a5c755a

Code Sign

0c:e7:e0:e5:17:d8:46:fe:8f:e5:60:fc:1b:f0:30:39
Certificate

Issuer

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

Not Before

10-11-2006 00:00

Not After

10-11-2031 00:00

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

05:16:73:0f:c3:7d:12:58:4a:f7:68:d4:67:f1:d9:ca
Certificate

Issuer

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

Not Before

26-05-2021 00:00

Not After

19-07-2024 23:59

Subject

CN=Lenovo (Beijing) Limited,O=Lenovo (Beijing) Limited,ST=Beijing,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

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

d8:e0:24:0d:75:c1:fc:92:9c:c4:cb:55:8e:fd:39:7b:10:79:c8:b6:73:92:65:47:09:4d:59:78:d7:93:c7:f4
Signer

Actual PE Digest

d8:e0:24:0d:75:c1:fc:92:9c:c4:cb:55:8e:fd:39:7b:10:79:c8:b6:73:92:65:47:09:4d:59:78:d7:93:c7:f4

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=Lenovo (Beijing) Limited,O=Lenovo (Beijing) Limited,ST=Beijing,C=CN

19-04-2023 07:44
Valid: true

Chain 1

CN=Lenovo (Beijing) Limited,O=Lenovo (Beijing) Limited,ST=Beijing,C=CN

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

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

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

comctl32

InitCommonControlsEx

shlwapi

SHAutoComplete

kernel32

FindClose
FindNextFileW
FindFirstFileW
GetVersionExW
GetCurrentDirectoryW
GetFullPathNameW
GetModuleFileNameW
FindResourceW
GetModuleHandleW
FreeLibrary
GetProcAddress
LoadLibraryW
GetCurrentProcessId
GetLocaleInfoW
GetNumberFormatW
SetEnvironmentVariableW
ExpandEnvironmentStringsW
WaitForSingleObject
GetDateFormatW
GetTimeFormatW
FileTimeToSystemTime
FileTimeToLocalFileTime
GetExitCodeProcess
GetTempPathW
MoveFileExW
UnmapViewOfFile
Sleep
MapViewOfFile
GetCommandLineW
CreateFileMappingW
GetTickCount
OpenFileMappingW
InitializeCriticalSection
DeleteCriticalSection
EnterCriticalSection
LeaveCriticalSection
CreateThread
GetProcessAffinityMask
CreateEventW
CreateSemaphoreW
ReleaseSemaphore
ResetEvent
SetEvent
SetThreadPriority
SystemTimeToFileTime
GetSystemTime
SystemTimeToTzSpecificLocalTime
TzSpecificLocalTimeToSystemTime
LocalFileTimeToFileTime
WideCharToMultiByte
MultiByteToWideChar
CompareStringW
IsDBCSLeadByte
SetFileTime
SetFileAttributesW
SetCurrentDirectoryW
WriteConsoleW
GetConsoleOutputCP
WriteConsoleA
SetStdHandle
GetLocaleInfoA
GetStringTypeW
GetStringTypeA
LoadLibraryA
GetConsoleMode
GetConsoleCP
InitializeCriticalSectionAndSpinCount
QueryPerformanceCounter
SetHandleCount
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsA
GetModuleHandleA
LCMapStringW
LCMapStringA
IsValidCodePage
GetOEMCP
GetACP
GetModuleFileNameA
ExitProcess
HeapSize
IsDebuggerPresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
TerminateProcess
VirtualAlloc
VirtualFree
HeapCreate
InterlockedDecrement
GetCurrentThreadId
InterlockedIncrement
TlsFree
TlsSetValue
TlsAlloc
TlsGetValue
GetStartupInfoA
GetCommandLineA
RaiseException
GetFileAttributesW
FlushFileBuffers
ReadFile
GetFileType
SetEndOfFile
SetFilePointer
WriteFile
GetStdHandle
GetLongPathNameW
GetShortPathNameW
GlobalAlloc
MoveFileW
CreateFileW
CreateDirectoryW
DeviceIoControl
RemoveDirectoryW
DeleteFileW
CreateHardLinkW
GetCurrentProcess
CloseHandle
SetLastError
GetLastError
CreateFileA
GetCPInfo
GetSystemTimeAsFileTime
HeapAlloc
HeapReAlloc
HeapFree
RtlUnwind

user32

EnableWindow
GetDlgItem
ShowWindow
SetWindowLongW
GetDC
ReleaseDC
FindWindowExW
GetParent
MapWindowPoints
CreateWindowExW
UpdateWindow
LoadCursorW
RegisterClassExW
DefWindowProcW
DestroyWindow
CopyRect
IsWindow
CharUpperW
OemToCharBuffA
LoadIconW
LoadBitmapW
PostMessageW
GetSysColor
SetForegroundWindow
MessageBoxW
WaitForInputIdle
IsWindowVisible
DialogBoxParamW
DestroyIcon
SetFocus
GetClassNameW
SendDlgItemMessageW
EndDialog
GetDlgItemTextW
SetDlgItemTextW
wvsprintfW
SendMessageW
PeekMessageW
GetMessageW
TranslateMessage
DispatchMessageW
LoadStringW
GetWindowRect
GetClientRect
SetWindowPos
GetWindowTextW
SetWindowTextW
GetSystemMetrics
GetWindow
GetWindowLongW

gdi32

GetDeviceCaps
CreateCompatibleDC
CreateCompatibleBitmap
SelectObject
StretchBlt
DeleteDC
GetObjectW
DeleteObject
CreateDIBSection

comdlg32

GetSaveFileNameW
CommDlgExtendedError
GetOpenFileNameW

advapi32

RegOpenKeyExW
RegQueryValueExW
RegCreateKeyExW
RegSetValueExW
RegCloseKey
SetFileSecurityW
OpenProcessToken
LookupPrivilegeValueW
AdjustTokenPrivileges

shell32

SHBrowseForFolderW
ShellExecuteExW
SHGetSpecialFolderLocation
SHFileOperationW
SHGetPathFromIDListW
SHGetMalloc
SHChangeNotify
SHGetFileInfoW

ole32

CLSIDFromString
CoCreateInstance
OleInitialize
OleUninitialize
CreateStreamOnHGlobal

oleaut32

VariantInit

Sections

.text
Size: 162KB - Virtual size: 161KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 20KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 133KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 14KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

4cfda23baf1e2e983ddfeca47a5c755a

Code Sign

0c:e7:e0:e5:17:d8:46:fe:8f:e5:60:fc:1b:f0:30:39Certificate

Key Usages

05:16:73:0f:c3:7d:12:58:4a:f7:68:d4:67:f1:d9:caCertificate

Extended Key Usages

Key Usages

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

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

d8:e0:24:0d:75:c1:fc:92:9c:c4:cb:55:8e:fd:39:7b:10:79:c8:b6:73:92:65:47:09:4d:59:78:d7:93:c7:f4Signer

Signature Validations

Verification

19-04-2023 07:44 Valid: true

Chain 1

Headers

DLL Characteristics

File Characteristics

Imports

comctl32

shlwapi

kernel32

user32

gdi32

comdlg32

advapi32

shell32

ole32

oleaut32

Sections

.text Size: 162KB - Virtual size: 161KB

.rdata Size: 20KB - Virtual size: 19KB

.data Size: 5KB - Virtual size: 133KB

.rsrc Size: 14KB - Virtual size: 14KB

0c:e7:e0:e5:17:d8:46:fe:8f:e5:60:fc:1b:f0:30:39
Certificate

05:16:73:0f:c3:7d:12:58:4a:f7:68:d4:67:f1:d9:ca
Certificate

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

d8:e0:24:0d:75:c1:fc:92:9c:c4:cb:55:8e:fd:39:7b:10:79:c8:b6:73:92:65:47:09:4d:59:78:d7:93:c7:f4
Signer

19-04-2023 07:44
Valid: true

.text
Size: 162KB - Virtual size: 161KB

.rdata
Size: 20KB - Virtual size: 19KB

.data
Size: 5KB - Virtual size: 133KB

.rsrc
Size: 14KB - Virtual size: 14KB