Behavioral task
behavioral1
Sample
b5e6dde637ff9dbc4dc8602c2340a4697009e2e4f1d876b9aaa6d7d0608cfcc6.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b5e6dde637ff9dbc4dc8602c2340a4697009e2e4f1d876b9aaa6d7d0608cfcc6.exe
Resource
win10v2004-20240419-en
General
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Target
f700c7059dcb4db8b23e7f31ec135b7b.bin
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Size
158KB
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MD5
7ff994ac6cb2564ede94cc70f7c529e2
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SHA1
08960d10795555f7bd48215ce58410830ed4914b
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SHA256
137596e6de74907857a5d4e94484ba638ac520d2c866910079eb98d24530a7c2
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SHA512
479b49635b2e274652882c23e225294aba94bb675fdfda024eb306cec07946e7487a0617481ce0f639f16d9df677996ff2abc19a588aa9e28b870b5ac7ce66db
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SSDEEP
3072:V7lZA+uJwow9k77/PllFeX36r58yY4Jk1wYjs/lU0Iux5i1VSY/DicGU:V7Rlo3l/8yY4k2Y4h3i1q7U
Malware Config
Extracted
observer
http://91.103.252.17:8912
Signatures
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Observer family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/b5e6dde637ff9dbc4dc8602c2340a4697009e2e4f1d876b9aaa6d7d0608cfcc6.exe
Files
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f700c7059dcb4db8b23e7f31ec135b7b.bin.zip
Password: infected
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b5e6dde637ff9dbc4dc8602c2340a4697009e2e4f1d876b9aaa6d7d0608cfcc6.exe.exe windows:6 windows x86 arch:x86
Password: infected
34fc5754badd722e29654c8e5ce4f927
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
GetConsoleWindow
LoadLibraryA
WideCharToMultiByte
CopyFileExW
ReadFile
GetFileSizeEx
HeapFree
CreateFileW
CloseHandle
LoadLibraryW
HeapAlloc
GetProcessHeap
ExpandEnvironmentStringsW
DeleteFileW
GetFileSize
CopyFileW
FindFirstFileExW
FindNextFileW
FindClose
GetFileAttributesW
OpenProcess
CreateToolhelp32Snapshot
Process32NextW
Process32FirstW
GetUserDefaultLangID
MultiByteToWideChar
GetNativeSystemInfo
GlobalMemoryStatusEx
GetLastError
CreateProcessW
GetUserDefaultUILanguage
GetLocaleInfoW
GetCurrentThreadId
WaitForSingleObjectEx
GetExitCodeThread
GetStringTypeW
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
LCMapStringEx
QueryPerformanceCounter
CompareStringEx
GetCPInfo
GetSystemTimeAsFileTime
GetModuleHandleW
IsProcessorFeaturePresent
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
GetCurrentProcessId
InitializeSListHead
GetCurrentProcess
TerminateProcess
RaiseException
RtlUnwind
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
CreateThread
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
ExitProcess
GetModuleFileNameW
GetStdHandle
WriteFile
GetCommandLineA
GetCommandLineW
CompareStringW
LCMapStringW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
HeapReAlloc
GetTimeZoneInformation
GetFileType
SetFilePointerEx
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
HeapSize
WriteConsoleW
Sections
.text Size: 203KB - Virtual size: 202KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 60KB - Virtual size: 60KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 13KB
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