Behavioral task
behavioral1
Sample
fileexe.exe
Resource
win7-20231129-en
General
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Target
fileexe.exe
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Size
4.6MB
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MD5
f03e4352af8fe073527dd5277f406743
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SHA1
3a3654a57fc4cb7c942829165bc52b805c278278
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SHA256
8c9b7c1bc65ed061ff8af8b3f210e98d97139c7b5d1b9ff107c072b726bab823
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SHA512
3e617165802be8d100d3a53d051cb357ef3b767b3f3d260afc1a7da7f2996a63865c545f8db854dd46268a0e8484b3e550a06f68a8ecf06ebcd57c42f01ee396
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SSDEEP
98304:wID4sQLWqRi8tmrI3gNGHjcX5uN13mEzquag:wkH+WqRi88sEGHAX5uaEzP
Malware Config
Signatures
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Detect ZGRat V1 1 IoCs
resource yara_rule sample family_zgrat_v1 -
Zgrat family
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.NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule sample net_reactor -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource fileexe.exe
Files
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fileexe.exe.exe windows:5 windows x86 arch:x86
ec80820dcdf2b0e0211f84cab39e704c
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
WriteConsoleOutputCharacterA
FindResourceW
InterlockedIncrement
InterlockedCompareExchange
GetComputerNameW
CreateHardLinkA
GetTickCount
GlobalFindAtomA
LoadLibraryW
SetCommConfig
GetLocaleInfoW
SetConsoleMode
WriteConsoleW
SetComputerNameExW
GetStartupInfoW
GetLastError
GetConsoleAliasesLengthW
GetProcAddress
VirtualAlloc
SetComputerNameA
LoadLibraryA
LocalAlloc
QueryDosDeviceW
AddAtomA
lstrcmpiW
GetModuleHandleA
IsDebuggerPresent
CancelTimerQueueTimer
GetCurrentProcessId
ResetWriteWatch
DeleteFileA
FindFirstChangeNotificationW
SetLastError
SetThreadContext
GetModuleHandleW
Sleep
ExitProcess
HeapAlloc
HeapFree
RaiseException
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
GetCurrentThreadId
InterlockedDecrement
WriteFile
GetStdHandle
GetModuleFileNameA
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSectionAndSpinCount
GetModuleFileNameW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
SetHandleCount
GetFileType
GetStartupInfoA
HeapCreate
VirtualFree
QueryPerformanceCounter
GetSystemTimeAsFileTime
HeapReAlloc
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
HeapSize
RtlUnwind
GetLocaleInfoA
WideCharToMultiByte
LCMapStringA
MultiByteToWideChar
LCMapStringW
GetStringTypeA
GetStringTypeW
gdi32
GetCharABCWidthsFloatA
DeleteMetaFile
shell32
DuplicateIcon
Sections
.text Size: 127KB - Virtual size: 126KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 5KB - Virtual size: 4.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 166KB - Virtual size: 166KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ