Static task
static1
Behavioral task
behavioral1
Sample
a.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a.exe
Resource
win10v2004-20240412-en
General
-
Target
a.exe
-
Size
240KB
-
MD5
a1eb0e28f18bff00914a0b741d99790a
-
SHA1
e1d35359e00c0bbf1120f18db18b2cc9833e1c41
-
SHA256
2a28d9ab88ce1d78e62c1bca91e68f2e1b7fe11bf66419de2031327d3f40ca01
-
SHA512
ddd0c49ffcc051fe8a421067a711f69e58894126fbc999046574a4bea8ede4202e9ed4e07dd62eed12206f7745e76fce98ea95601bb68c647252fd80d7a76901
-
SSDEEP
3072:0Kn5HsRR6s5X5NB8GkqPu2Zw7RY303GwqO+a2WgoUKz:0KK15X5NB4R2Zwqk3GwqO+ul
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource a.exe
Files
-
a.exe.exe windows:4 windows x86 arch:x86
2fc67e980f2bbf7c5ac069944deabc81
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
FreeLibrary
GetProcAddress
LoadLibraryA
Sleep
GlobalFree
LockResource
GlobalAlloc
LoadResource
SizeofResource
FindResourceA
CloseHandle
WriteFile
CreateFileA
MultiByteToWideChar
GetCommandLineA
GetVersion
ExitProcess
RtlUnwind
RaiseException
IsBadWritePtr
IsBadReadPtr
HeapValidate
TerminateProcess
GetCurrentProcess
DebugBreak
GetStdHandle
InterlockedDecrement
OutputDebugStringA
InterlockedIncrement
GetModuleFileNameA
SetHandleCount
GetFileType
GetStartupInfoA
GetLastError
ReadFile
UnhandledExceptionFilter
FreeEnvironmentStringsA
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStrings
GetEnvironmentStringsW
GetModuleHandleA
GetEnvironmentVariableA
GetVersionExA
HeapDestroy
HeapCreate
HeapFree
VirtualFree
SetFilePointer
FlushFileBuffers
SetUnhandledExceptionFilter
HeapAlloc
HeapReAlloc
VirtualAlloc
SetConsoleCtrlHandler
GetCPInfo
GetACP
GetOEMCP
IsBadCodePtr
SetStdHandle
GetStringTypeA
GetStringTypeW
LCMapStringA
LCMapStringW
Sections
.text Size: 192KB - Virtual size: 191KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 12KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 20KB - Virtual size: 25KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 8KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ