Behavioral task
behavioral1
Sample
540df5c639021c723908d31a4c089c9f9f4fe9c363209f8d7a61117b957a44ac.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
540df5c639021c723908d31a4c089c9f9f4fe9c363209f8d7a61117b957a44ac.exe
Resource
win10v2004-20241007-en
General
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Target
540df5c639021c723908d31a4c089c9f9f4fe9c363209f8d7a61117b957a44ac.exe
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Size
326KB
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MD5
3609432610d1fbc5cb0a8b94539e3489
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SHA1
485a4bfd6d1b51824993626e7c56a08818a057c8
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SHA256
540df5c639021c723908d31a4c089c9f9f4fe9c363209f8d7a61117b957a44ac
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SHA512
d74e33e3d5dc239c5c442c3726977f2bc4fb42797f588d794dd779c31404671e606ac5876fbb665840b4bc47d1df88d3ba6edc422b9102b67305df3b8e79623a
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SSDEEP
6144:f3P1L3CcLciA9DvJS0NN+sSsjFofasnjoAZmRxmWtzid7UaNxVisqnyhLJ0EvgUd:f3P1TFLciAs7U+xVisX0UhPH
Malware Config
Signatures
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Detects ZharkBot payload 1 IoCs
ZharkBot is a botnet written C++.
resource yara_rule sample zharkcore -
Zharkbot family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 540df5c639021c723908d31a4c089c9f9f4fe9c363209f8d7a61117b957a44ac.exe
Files
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540df5c639021c723908d31a4c089c9f9f4fe9c363209f8d7a61117b957a44ac.exe.exe windows:6 windows x86 arch:x86
86066554454deea625edb22af31c51bd
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
ReadProcessMemory
WriteProcessMemory
GetModuleHandleA
GetProcAddress
Sleep
VirtualProtectEx
GetVersion
GetComputerNameA
WriteConsoleW
HeapSize
CreateFileW
GetProcessHeap
SetStdHandle
VirtualAllocEx
VirtualAlloc
SetThreadContext
GetThreadContext
CreateProcessA
ResumeThread
K32GetModuleFileNameExA
GetLastError
K32EnumProcesses
OpenProcess
TerminateProcess
GetCurrentProcessId
CreateProcessW
CloseHandle
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
HeapReAlloc
ReadConsoleW
SetFilePointerEx
GetFileSizeEx
ReadFile
GetConsoleMode
GetConsoleOutputCP
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
MultiByteToWideChar
LCMapStringEx
CompareStringEx
GetCPInfo
GetStringTypeW
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
GetModuleHandleW
GetCurrentProcess
RaiseException
RtlUnwind
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
ExitProcess
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameW
GetCommandLineA
GetCommandLineW
HeapFree
HeapAlloc
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
FlushFileBuffers
SetEndOfFile
advapi32
RegQueryValueExA
RegOpenKeyExA
RegCloseKey
GetUserNameA
ole32
CoInitializeEx
CoInitializeSecurity
CoCreateInstance
CoSetProxyBlanket
CoUninitialize
oleaut32
SysAllocString
SysFreeString
VariantInit
VariantClear
wininet
InternetOpenUrlA
InternetOpenW
InternetReadFile
InternetCloseHandle
Sections
.text Size: 246KB - Virtual size: 245KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 64KB - Virtual size: 63KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 5KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 10KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ