GetBmp
Static task
static1
Behavioral task
behavioral1
Sample
WltRS.dll
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
WltRS.dll
Resource
win10v2004-20240426-en
General
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Target
WltRS.dll
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Size
88KB
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MD5
87b89da8c10cb8f191482087db1acdd4
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SHA1
c5a36cc1a8e5a40b11bf3c9f5a1d4ef10282d3a8
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SHA256
4dc8486514d07efa927c6c0a95a0789d053c7987f6bafe7975652a994f6b7af7
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SHA512
c8d8e2d1c6e99aa094039f211d8962eb296ea4c60e5b34db5505def91820c15f3d5611d6b6f919f8e3e544a62160beee2c395baf1710da04c49366e07e1a4441
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SSDEEP
1536:eTykAlmv0/RjL3UcMpKbLFgTVUojV+ObNgjoKFoiI:edAldFYRQvO5koKFoi
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource WltRS.dll
Files
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WltRS.dll.dll windows:4 windows x86 arch:x86
6b70c60551a8f6da54451bde9409b18f
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
Imports
kernel32
GetStartupInfoA
FreeLibrary
GetProcAddress
LoadLibraryA
InitializeCriticalSection
DeleteCriticalSection
EnterCriticalSection
LeaveCriticalSection
HeapAlloc
HeapFree
RtlUnwind
ExitProcess
TerminateProcess
GetCurrentProcess
HeapReAlloc
GetCommandLineA
GetVersion
HeapDestroy
HeapCreate
VirtualFree
VirtualAlloc
IsBadWritePtr
GetCurrentThreadId
TlsSetValue
TlsAlloc
TlsFree
SetLastError
TlsGetValue
GetLastError
GetModuleHandleA
CloseHandle
ReadFile
WriteFile
SetHandleCount
GetStdHandle
GetFileType
DeleteFileA
GetModuleFileNameA
FreeEnvironmentStringsA
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStrings
GetEnvironmentStringsW
FlushFileBuffers
SetUnhandledExceptionFilter
IsBadReadPtr
IsBadCodePtr
InterlockedDecrement
InterlockedIncrement
SetStdHandle
SetFilePointer
CreateFileA
GetCPInfo
GetACP
GetOEMCP
MultiByteToWideChar
GetStringTypeA
GetStringTypeW
LCMapStringA
LCMapStringW
SetEndOfFile
Exports
Exports
Sections
.text Size: 60KB - Virtual size: 57KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 8KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 8KB - Virtual size: 76KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 8KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ