mal[.]exe | Triage

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General

Target

mal.exe
Size

2.2MB
MD5

bd07f02309e822e57c02d6cfb2a78a8d
SHA1

4abc9f78960d2355ae6e967c7b47f79035195d38
SHA256

6bd2f5ab2dbd28b945cd0156434e4ccbc5194c20b147259b6ffa8444f76453ba
SHA512

d49e09ec8d6afc82573b764819efcf79b9f7686c4e0e905ae062905f909a2ca94f7669004bc7dc4e53b6a163b4164879711560b5af99ebfe4b145389a5e632de
SSDEEP

24576:vPn4QM6v5aNCKnvq+yOVUbs/CfbgAYgIisLW64FPMa2n7sOzlkUt7UAsr9qXPmN5:HntMo5aNRXGbbEK4WNAn7KU6AsFzrL

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
mal.exe

Files

mal.exe
.exe windows:5 windows x86 arch:x86

3b4fdda4c1ff98b952839d52cf80adfa

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

WaitForSingleObject
Sleep
CloseHandle
DuplicateHandle
CreateProcessW
GetStartupInfoW
GetEnvironmentVariableW
GetCurrentProcess
GetFileAttributesW
DeleteFileW
FindFirstFileW
FindNextFileW
CopyFileW
MoveFileW
MoveFileExW
SetEnvironmentVariableW
GetCommandLineW
GetModuleHandleW
GetModuleFileNameW
GetLastError
ExpandEnvironmentStringsW
CreateFileW
FlushFileBuffers
WriteConsoleW
SetStdHandle
OutputDebugStringW
LCMapStringW
SetFilePointerEx
GetConsoleMode
GetConsoleCP
HeapReAlloc
WriteFile
LeaveCriticalSection
EnterCriticalSection
HeapSize
VirtualQuery
GetStringTypeW
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
HeapAlloc
IsDebuggerPresent
IsProcessorFeaturePresent
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
TerminateProcess
InitializeCriticalSectionAndSpinCount
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetSystemTimeAsFileTime
GetCurrentProcessId
QueryPerformanceCounter
HeapFree
DeleteCriticalSection
GetFileType
GetStdHandle
GetProcessHeap
WideCharToMultiByte
MultiByteToWideChar
GetModuleHandleExW
DecodePointer
EncodePointer
RaiseException
RtlUnwind
GetCommandLineA
LoadLibraryW
GetProcAddress
GetCurrentThreadId
ExitProcess
FormatMessageW
SetLastError
LocalFree
LoadLibraryExW

user32

wsprintfW
MessageBoxW

ntdll

RtlSetSaclSecurityDescriptor
RtlSetDaclSecurityDescriptor
RtlFreeSid
RtlCreateAcl
RtlLengthSid
RtlCreateSecurityDescriptor
RtlAllocateAndInitializeSid
NtReadVirtualMemory
NtSetInformationProcess
NtRaiseHardError
NtTerminateProcess
RtlFreeHeap
RtlAllocateHeap
RtlRaiseException
NtReleaseMutant
NtCreateMutant
NtSetEvent
NtOpenEvent
NtQueryVirtualMemory
NtSetInformationFile
NtQueryDirectoryFile
NtClearEvent
NtCreateEvent
LdrUnloadDll
NtWriteVirtualMemory
NtReadFile
NtQueryFullAttributesFile
NtQueryInformationFile
NtOpenFile
NtMapViewOfSection
NtCreateSection
RtlMultiByteToUnicodeN
LdrGetProcedureAddress
RtlQueryEnvironmentVariable_U
RtlCompareUnicodeString
RtlInitAnsiString
NtAllocateVirtualMemory
RtlGetVersion
RtlLeaveCriticalSection
RtlEnterCriticalSection
RtlInitializeCriticalSection
NtDuplicateObject
NtWaitForSingleObject
LdrGetDllHandle
NtDelayExecution
RtlFreeAnsiString
RtlUnicodeStringToAnsiString
NtOpenDirectoryObject
RtlInitUnicodeString
NtQuerySystemInformation
NtQueryInformationProcess
NtOpenSection
NtProtectVirtualMemory
NtUnmapViewOfSection
NtClose
RtlNtStatusToDosError
LdrLoadDll
RtlAddAccessAllowedAce

Sections

.text
Size: 107KB - Virtual size: 107KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 35KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 153KB - Virtual size: 160KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 32KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3b4fdda4c1ff98b952839d52cf80adfa

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

ntdll

Sections

.text Size: 107KB - Virtual size: 107KB

.rdata Size: 35KB - Virtual size: 35KB

.data Size: 153KB - Virtual size: 160KB

.rsrc Size: 32KB - Virtual size: 32KB

.text
Size: 107KB - Virtual size: 107KB

.rdata
Size: 35KB - Virtual size: 35KB

.data
Size: 153KB - Virtual size: 160KB

.rsrc
Size: 32KB - Virtual size: 32KB