Behavioral task
behavioral1
Sample
observer (5)09.exe
Resource
win10v2004-20240802-en
General
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Target
observer (5)09.bin
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Size
439KB
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MD5
ed76946f3a434ceef6b4992fcde61df4
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SHA1
9db92114a03011010e08bf1fbd730f132e9be53b
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SHA256
52f454d2316a564cf5887680f10fdb991e7fe37a72a235e39242e5a20d293339
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SHA512
d9d7b237b65fff5b760657dd8ab2b039db328dac2e8275f2993a7a7ba7229dfba24bcbdbcfee427449f993f61ae7718027ce761edad47c92c14f9512e625a03d
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SSDEEP
6144:Hg/4WXUlri/065bkuZl9kwz7WdloA+HNBQTzf4PLF9xU2FpdRdr/Io2:HOSrO5bXZnkwz7WdaA+HLQ3f6JPRTg
Malware Config
Extracted
observer
http://5.42.66.25:3000
Signatures
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Observer family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource observer (5)09.bin
Files
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observer (5)09.bin.exe windows:6 windows x86 arch:x86
ba6a87457271f96a103abb1cc388077a
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
GetModuleHandleA
GetProcAddress
GetTempPathW
GlobalMemoryStatusEx
GetConsoleWindow
GetSystemTime
ReadFile
GetFileSizeEx
HeapFree
CreateFileW
CloseHandle
HeapAlloc
GetProcessHeap
ExpandEnvironmentStringsW
TerminateProcess
OpenProcess
DeleteFileW
GetFileSize
FindFirstFileExW
FindNextFileW
FindClose
GetFileAttributesW
CreateToolhelp32Snapshot
Process32NextW
Process32FirstW
GetUserDefaultLangID
MultiByteToWideChar
GetNativeSystemInfo
LoadLibraryW
GetLastError
CreateProcessW
GetUserDefaultUILanguage
GetLocaleInfoW
GetCurrentThreadId
WaitForSingleObjectEx
GetExitCodeThread
WideCharToMultiByte
GetStringTypeW
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
GetLocaleInfoEx
LCMapStringEx
ReleaseSRWLockExclusive
WakeAllConditionVariable
QueryPerformanceCounter
CompareStringEx
GetCPInfo
GetSystemTimeAsFileTime
GetModuleHandleW
IsProcessorFeaturePresent
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
GetCurrentProcessId
InitializeSListHead
GetCurrentProcess
HeapSize
RaiseException
RtlUnwind
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
CreateThread
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
ExitProcess
GetModuleFileNameW
GetStdHandle
WriteFile
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
HeapReAlloc
GetTimeZoneInformation
GetFileType
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
SetFilePointerEx
ReadConsoleW
IsValidCodePage
GetACP
GetOEMCP
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
WriteConsoleW
Sections
.text Size: 355KB - Virtual size: 355KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 59KB - Virtual size: 59KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 7KB - Virtual size: 17KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 16KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ