Behavioral task
behavioral1
Sample
f8041fa5dd14ad3e641443e8bfb9f97b88eb575507c71b3ceba2a7f9e48b1f90.exe
Resource
win7-20240903-en
General
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Target
f8041fa5dd14ad3e641443e8bfb9f97b88eb575507c71b3ceba2a7f9e48b1f90
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Size
356KB
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MD5
b731d6c9ce727e9d2544e8bf2e1740cb
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SHA1
9435e562945cffcde1c647e64b58e07be6e58b2d
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SHA256
f8041fa5dd14ad3e641443e8bfb9f97b88eb575507c71b3ceba2a7f9e48b1f90
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SHA512
011e13cf9263672950976fc4772a5afed8ae94ed73a2e535486c28882590e29e8143a764887116396a33667ca2798ad8f2b56fc8425625acadf94ee293ddaab5
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SSDEEP
1536:ZZ/fgkAqJlV+n1EgGHo7P1YPx28VCFuq8uwNhyi8RW:Z1gkZl0nt/P1YPxCuqTwNhyFRW
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource f8041fa5dd14ad3e641443e8bfb9f97b88eb575507c71b3ceba2a7f9e48b1f90
Files
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f8041fa5dd14ad3e641443e8bfb9f97b88eb575507c71b3ceba2a7f9e48b1f90.exe windows:4 windows x86 arch:x86
a76565b5ae6f12ad5f72fe61916a163f
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetLastError
GetSystemTime
MultiByteToWideChar
GetLocaleInfoA
GetModuleHandleA
FindNextFileA
FindFirstFileA
FlushFileBuffers
SetEnvironmentVariableA
FindClose
Sleep
CompareStringW
CompareStringA
SetStdHandle
SetFilePointer
GetTimeZoneInformation
GetLocalTime
ExitProcess
TerminateProcess
GetCurrentProcess
GetStartupInfoA
GetCommandLineA
GetVersion
DebugBreak
GetStdHandle
WriteFile
InterlockedDecrement
OutputDebugStringA
GetProcAddress
LoadLibraryA
InterlockedIncrement
GetModuleFileNameA
IsBadWritePtr
IsBadReadPtr
HeapValidate
UnhandledExceptionFilter
FreeEnvironmentStringsA
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStrings
GetEnvironmentStringsW
SetHandleCount
GetFileType
HeapDestroy
HeapCreate
HeapFree
VirtualFree
RtlUnwind
SetConsoleCtrlHandler
HeapAlloc
HeapReAlloc
VirtualAlloc
GetCPInfo
GetACP
GetOEMCP
GetStringTypeA
GetStringTypeW
LCMapStringA
LCMapStringW
CloseHandle
advapi32
GetUserNameW
ole32
CoUninitialize
CoCreateInstance
CoInitialize
user32
MessageBoxA
Sections
UPX0 Size: 228KB - Virtual size: 228KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 44KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 80KB - Virtual size: 80KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE