Static task
static1
Behavioral task
behavioral1
Sample
reader.dll.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
reader.dll.exe
Resource
win10v2004-20230220-en
General
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Target
reader.dll.exe
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Size
270KB
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MD5
dfef456f1a3debcececac16337bcd11b
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SHA1
eb57c160d90464899fe17b058b040b851f5ab540
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SHA256
5f27e680fde719d77fff6858a5b0c2da7ee47f968140c349cb564bf77b9762e6
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SHA512
db25e058540670f881059bbd7f925c36dbf615293b02260bc981cca1f16b656750591e27db23ffa7e37c6838c8a87153d0d9bbfe97afbfcae5d5e45763d22443
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SSDEEP
6144:NI4jcqLnb0D5MQCoap9vKxaA7ZnbrNGf3m:N5rbK5MFvKxaWk/
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource reader.dll.exe
Files
-
reader.dll.exe.exe windows x86
c3a2d6b32d97c9ca2070467dc08d5fc4
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
ReadConsoleA
GetLogicalDriveStringsW
InterlockedCompareExchange
SetComputerNameW
AddConsoleAliasW
SetTapeParameters
GetModuleHandleW
EnumCalendarInfoExW
ReadConsoleW
LoadLibraryW
FatalAppExitW
GetCalendarInfoW
HeapDestroy
GetConsoleAliasW
LocalReAlloc
ReplaceFileW
GetModuleFileNameW
CreateActCtxA
lstrlenW
GlobalUnlock
GetStringTypeExA
GetLargestConsoleWindowSize
WriteConsoleOutputW
IsDBCSLeadByteEx
SetLastError
GetProcAddress
VirtualAlloc
BeginUpdateResourceW
ReadFileEx
GetTempFileNameA
ResetEvent
InterlockedExchangeAdd
LocalAlloc
DnsHostnameToComputerNameA
FindFirstVolumeMountPointW
GetNumberFormatW
GetModuleHandleA
QueryMemoryResourceNotification
GetProcessAffinityMask
GetConsoleTitleW
RequestWakeupLatency
OpenEventW
SetProcessShutdownParameters
FindAtomW
GetWindowsDirectoryW
GetTempPathA
FindNextVolumeA
EnumSystemLocalesW
GetDefaultCommConfigW
TlsGetValue
GetConsoleAliasesLengthW
GetLastError
GetThreadContext
InterlockedIncrement
InterlockedDecrement
Sleep
InitializeCriticalSection
DeleteCriticalSection
EnterCriticalSection
LeaveCriticalSection
HeapAlloc
MultiByteToWideChar
GetStartupInfoW
RaiseException
RtlUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
HeapFree
TerminateProcess
GetCurrentProcess
IsDebuggerPresent
VirtualFree
HeapReAlloc
HeapCreate
ExitProcess
WriteFile
GetStdHandle
GetModuleFileNameA
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
TlsAlloc
TlsSetValue
TlsFree
GetCurrentThreadId
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
SetHandleCount
GetFileType
GetStartupInfoA
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
HeapSize
GetLocaleInfoA
GetStringTypeA
GetStringTypeW
InitializeCriticalSectionAndSpinCount
LoadLibraryA
LCMapStringA
WideCharToMultiByte
LCMapStringW
gdi32
GetCharABCWidthsFloatW
GetCharWidthW
EnumFontsW
GetCharABCWidthsI
Sections
.text Size: 158KB - Virtual size: 157KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 6KB - Virtual size: 4.8MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 86KB - Virtual size: 85KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 19KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ