Behavioral task
behavioral1
Sample
a5bfac3ab3b22e5717065faf9eb2f3a0N.exe
Resource
win7-20240704-en
General
-
Target
a5bfac3ab3b22e5717065faf9eb2f3a0N.exe
-
Size
432KB
-
MD5
a5bfac3ab3b22e5717065faf9eb2f3a0
-
SHA1
5ecc7057310fca1b9922e4c819692bbb0fe7c51a
-
SHA256
7ca192eab77ef2b811fc8637f875114eeb0a6fe7ef7f67c9451d96acad9c65b6
-
SHA512
21bf6d3efc0b94dd0e2f2dcf5783b64dbabcc753117d60f3fbf88e01f52045d20c84fbef81b24d076a2a39bb6401ced0a0a9f356f789c658a492e1292d0829ea
-
SSDEEP
3072:Pdu5uDQ70tnP5I09qgmBBAWgjSvwF3E7gmCX4I:9DK0tna2qgmBNgQwJ
Malware Config
Signatures
-
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource a5bfac3ab3b22e5717065faf9eb2f3a0N.exe
Files
-
a5bfac3ab3b22e5717065faf9eb2f3a0N.exe.exe windows:4 windows x86 arch:x86
f0a8f5b2a0397046143edde10ffcb1a8
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
SetStdHandle
FindClose
Sleep
SetFilePointer
LCMapStringW
LCMapStringA
GetStringTypeW
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
GetEnvironmentVariableA
GetVersionExA
HeapDestroy
HeapCreate
HeapFree
VirtualFree
RtlUnwind
SetConsoleCtrlHandler
HeapAlloc
HeapReAlloc
VirtualAlloc
GetCPInfo
GetACP
GetOEMCP
GetStringTypeA
CloseHandle
advapi32
GetUserNameW
ole32
CoUninitialize
CoCreateInstance
CoInitialize
user32
MessageBoxA
Sections
UPX0 Size: 312KB - Virtual size: 312KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 36KB - Virtual size: 36KB
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