Static task
static1
Behavioral task
behavioral1
Sample
lets安装.exe
Resource
win7-20240903-en
General
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Target
lets安装.exe.v
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Size
79.7MB
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MD5
e7345f66ba0f44db142f10215a8df8d9
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SHA1
90abf99cfa7603b5fe33665d1abbbc5bdc6e812c
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SHA256
e9ad11c08beb2cd605607972802acc34e67b646b2577127529d8dc28f01974bc
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SHA512
70d7edbebf795467addc7678d00040675a206638d1b468321df9f31c284fd64ede805be794908154e1edf2d450d7d45fbbf3a2840a4e0584cb8ed5b60a49bf7a
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SSDEEP
1572864:J+Q99LhEirsvqO/Yb+YQsI2diJlFLrcFf9U33t9P:J+49LhEiDOj9sZiDFLrIfc7
Malware Config
Signatures
Files
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lets安装.exe.v.exe windows:6 windows x86 arch:x86
8708d1fe1b5ff509570e29ce51663405
Code Sign
01Certificate
IssuerCN=discuss4u.com,O=shizhao.org,C=BENot Before26/09/2024, 10:24Not After24/09/2033, 10:24SubjectCN=discuss4u.com,O=shizhao.org,C=BE0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate
IssuerCN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before01/08/2022, 00:00Not After09/11/2031, 23:59SubjectCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USKey Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate
IssuerCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before23/03/2022, 00:00Not After22/03/2037, 23:59SubjectCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate
IssuerCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USNot Before14/07/2023, 00:00Not After13/10/2034, 23:59SubjectCN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
01Certificate
IssuerCN=discuss4u.com,O=shizhao.org,C=BENot Before26/09/2024, 10:24Not After24/09/2033, 10:24SubjectCN=discuss4u.com,O=shizhao.org,C=BE05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate
IssuerCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USNot Before14/07/2023, 00:00Not After13/10/2034, 23:59SubjectCN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate
IssuerCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before23/03/2022, 00:00Not After22/03/2037, 23:59SubjectCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate
IssuerCN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before01/08/2022, 00:00Not After09/11/2031, 23:59SubjectCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USKey Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
4c:7c:2c:b3:76:cd:77:08:3d:5e:87:af:ab:5c:89:10:8c:f5:96:ed:d3:30:24:0b:f3:41:c3:e2:4c:db:d1:a6Signer
Actual PE Digest4c:7c:2c:b3:76:cd:77:08:3d:5e:87:af:ab:5c:89:10:8c:f5:96:ed:d3:30:24:0b:f3:41:c3:e2:4c:db:d1:a6Digest Algorithmsha256PE Digest Matchestrue72:45:8b:d8:a1:e3:fa:8e:49:82:b6:0c:64:c0:77:bb:bf:3a:18:acSigner
Actual PE Digest72:45:8b:d8:a1:e3:fa:8e:49:82:b6:0c:64:c0:77:bb:bf:3a:18:acDigest Algorithmsha1PE Digest MatchestrueHeaders
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
PDB Paths
C:\ReleaseAI\win\Release\stubs\x86\ExternalUi.pdb
Imports
kernel32
CreateFileW
CloseHandle
WriteFile
DeleteFileW
HeapDestroy
HeapSize
HeapReAlloc
HeapFree
HeapAlloc
GetProcessHeap
SizeofResource
LockResource
LoadResource
FindResourceW
FindResourceExW
CreateEventExW
WaitForSingleObject
SetEvent
RemoveDirectoryW
GetProcAddress
GetModuleHandleW
GetTempPathW
GetTempFileNameW
CreateDirectoryW
MoveFileW
GetLastError
EnterCriticalSection
LeaveCriticalSection
GetModuleFileNameW
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
GetCurrentThreadId
RaiseException
SetLastError
GlobalUnlock
GlobalLock
GlobalAlloc
MulDiv
lstrcmpW
CreateEventW
FindClose
FindFirstFileW
GetFullPathNameW
InitializeCriticalSection
lstrcpynW
CreateThread
LoadLibraryExW
GetCurrentProcess
Sleep
WideCharToMultiByte
GetDiskFreeSpaceExW
DecodePointer
GetExitCodeThread
GetCurrentProcessId
FreeLibrary
GetSystemDirectoryW
lstrlenW
VerifyVersionInfoW
VerSetConditionMask
lstrcmpiW
LoadLibraryW
GetDriveTypeW
CompareStringW
FindNextFileW
GetLogicalDriveStringsW
GetFileSize
GetFileAttributesW
GetShortPathNameW
SetFileAttributesW
GetFileTime
CopyFileW
ReadFile
SetFilePointer
SetFileTime
SystemTimeToFileTime
MultiByteToWideChar
GetSystemInfo
WaitForMultipleObjects
GetVersionExW
VirtualProtect
VirtualQuery
LoadLibraryExA
GetStringTypeW
SetUnhandledExceptionFilter
FileTimeToSystemTime
GetEnvironmentVariableW
GetSystemTime
GetDateFormatW
GetTimeFormatW
GetLocaleInfoW
CreateProcessW
GetExitCodeProcess
GetWindowsDirectoryW
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
FormatMessageW
GetEnvironmentStringsW
LocalFree
InitializeCriticalSectionEx
LoadLibraryA
GetModuleFileNameA
GetCurrentThread
GetConsoleOutputCP
FlushFileBuffers
Wow64DisableWow64FsRedirection
Wow64RevertWow64FsRedirection
IsWow64Process
SetConsoleTextAttribute
GetStdHandle
GetConsoleScreenBufferInfo
OutputDebugStringW
GetTickCount
GetCommandLineW
SetCurrentDirectoryW
SetEndOfFile
EnumResourceLanguagesW
GetSystemDefaultLangID
GetUserDefaultLangID
GetLocalTime
ResetEvent
GlobalFree
GetPrivateProfileStringW
GetPrivateProfileSectionNamesW
WritePrivateProfileStringW
CreateNamedPipeW
ConnectNamedPipe
TerminateThread
LocalAlloc
CompareFileTime
CopyFileExW
OpenEventW
PeekNamedPipe
WaitForSingleObjectEx
QueryPerformanceCounter
QueryPerformanceFrequency
EncodePointer
LCMapStringEx
CompareStringEx
GetCPInfo
GetSystemTimeAsFileTime
IsDebuggerPresent
InitializeSListHead
InterlockedPopEntrySList
InterlockedPushEntrySList
FlushInstructionCache
IsProcessorFeaturePresent
VirtualAlloc
VirtualFree
UnhandledExceptionFilter
TerminateProcess
GetStartupInfoW
RtlUnwind
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
ExitProcess
GetFileType
LCMapStringW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetTimeZoneInformation
GetConsoleMode
GetFileSizeEx
SetFilePointerEx
FindFirstFileExW
IsValidCodePage
GetACP
GetOEMCP
GetCommandLineA
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
ReadConsoleW
WriteConsoleW
GetProcessAffinityMask
GetModuleHandleA
GlobalMemoryStatus
ReleaseSemaphore
CreateSemaphoreW
Sections
.text Size: 2.3MB - Virtual size: 2.3MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 557KB - Virtual size: 556KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 14KB - Virtual size: 51KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 152KB - Virtual size: 151KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 158KB - Virtual size: 158KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ