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Behavioral task
behavioral1
Sample
24bb4fc117aa57fd170e878263973a392d094c94d3a5f651fad7528d5d73b58a.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
24bb4fc117aa57fd170e878263973a392d094c94d3a5f651fad7528d5d73b58a.exe
Resource
win10v2004-20240412-en
General
-
Target
4c47b27ba86d4fd26be721c10075bf1d4b226607e4118dfc401325c2d5978c53
-
Size
139KB
-
MD5
9083c77ee6e292b2c07315f82a3e558a
-
SHA1
ee61ba7e7f361a7255ed3add85d663426d1177c6
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SHA256
4c47b27ba86d4fd26be721c10075bf1d4b226607e4118dfc401325c2d5978c53
-
SHA512
249768b2be0dce7bca7a15988738fb7a5ba6f240763ce1f42e72e405e71d962183f336a35f7dbc207a6ca65ad21f371a23db6389550e5b2b070ff9724ece0c25
-
SSDEEP
3072:ibK+7TwVIwFO+8WGA6w06MEOd1FkIRBlHl2vK/DO1FZqiaA:iWYd7U6wvMpHBlHl2vKEFF
Malware Config
Extracted
observer
http://5.42.66.25:3000
Signatures
-
Observer family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/24bb4fc117aa57fd170e878263973a392d094c94d3a5f651fad7528d5d73b58a.exe
Files
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4c47b27ba86d4fd26be721c10075bf1d4b226607e4118dfc401325c2d5978c53.zip
Password: infected
-
24bb4fc117aa57fd170e878263973a392d094c94d3a5f651fad7528d5d73b58a.exe.exe windows:6 windows x86 arch:x86
b8de15954925e9e1385222064bd30fad
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
ReadFile
GetFileSizeEx
HeapFree
CreateFileW
CloseHandle
HeapAlloc
GetProcessHeap
ExpandEnvironmentStringsW
TerminateProcess
OpenProcess
DeleteFileW
GetFileSize
FindFirstFileExW
FindNextFileW
FindClose
GetFileAttributesW
CreateToolhelp32Snapshot
Process32NextW
Process32FirstW
GetUserDefaultLangID
MultiByteToWideChar
GetNativeSystemInfo
GlobalMemoryStatusEx
LoadLibraryW
GetLastError
CreateProcessW
GetUserDefaultUILanguage
GetLocaleInfoW
GetCurrentThreadId
WaitForSingleObjectEx
GetExitCodeThread
GetStringTypeW
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
LCMapStringEx
ReleaseSRWLockExclusive
WakeAllConditionVariable
QueryPerformanceCounter
CompareStringEx
GetCPInfo
GetSystemTimeAsFileTime
GetModuleHandleW
IsProcessorFeaturePresent
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
GetCurrentProcessId
InitializeSListHead
GetCurrentProcess
RaiseException
RtlUnwind
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
CreateThread
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
ExitProcess
GetModuleFileNameW
GetStdHandle
WriteFile
CompareStringW
LCMapStringW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
HeapReAlloc
GetTimeZoneInformation
GetFileType
SetFilePointerEx
IsValidCodePage
GetACP
GetOEMCP
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
HeapSize
WriteConsoleW
Sections
.text Size: 190KB - Virtual size: 189KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 46KB - Virtual size: 45KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 9KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ