Behavioral task
behavioral1
Sample
24bb4fc117aa57fd170e878263973a392d094c94d3a5f651fad7528d5d73b58a.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
24bb4fc117aa57fd170e878263973a392d094c94d3a5f651fad7528d5d73b58a.exe
Resource
win10v2004-20240226-en
General
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Target
24bb4fc117aa57fd170e878263973a392d094c94d3a5f651fad7528d5d73b58a.zip
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Size
139KB
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MD5
f0397ef00d86eb28e24f91bcd30db1ee
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SHA1
588f6894e1245f5b9239c8142b2b3680dd172c9b
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SHA256
20d94c89314ec72190f4cc4eba2d3c88bfeabf464e6c21575319ac21d919361e
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SHA512
1ba7b1107e84a3323b9955590224ca43c347c21f47b398dcdb76f8d1adcf34e3fbe59cc34c6b20e8cccb68c624959835a8442e24e5a30fad0e0d4e232e0f1754
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SSDEEP
3072:Ebmfr2fmUsAk70p78Sclq/JMfBWuJl7SXmjvqiCUnVjvhk7J:Ecr2lsAk7e7wPpDb7SXARpvo
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 unpack001/24bb4fc117aa57fd170e878263973a392d094c94d3a5f651fad7528d5d73b58a.exe
Files
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24bb4fc117aa57fd170e878263973a392d094c94d3a5f651fad7528d5d73b58a.zip.zip
Password: infected
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24bb4fc117aa57fd170e878263973a392d094c94d3a5f651fad7528d5d73b58a.exe.exe windows:6 windows x86 arch:x86
Password: infected
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