Downloader[.]exe

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General

Target

Downloader.exe
Size

202KB
MD5

fca21eb23c210b8ed73302745ea78f70
SHA1

143486e415dedb630de5c776beb3c8b150dd9bf1
SHA256

33a9357923338bee03659341ec7705dc76a2e03245f084311fa758e94c74c3f0
SHA512

41e8c5a6a5b77b6da39a4801494dc83a26dd5010482d907a35a15e51472fcf8c4c4367532c578660760144a39326b6a4f38973a3bd9c43d8f75e0141f9c92e40
SSDEEP

3072:NWF1Sss2XaOvu+v7QC2mCAbtoJOBW0rArwrkut57cIrDjy6Hy7GKbY64IrHi:NWF0+XaOvuyycWNrwrk6y70JIr

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Downloader.exe

Files

Downloader.exe
.exe windows:5 windows x86 arch:x86

3659aa85396475816f25d6859b6b7920

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

C:\BuildAgent\work\724ffc1c11fec002\downloader\Release\downloader.pdb

Imports

wtsapi32

WTSQuerySessionInformationW
WTSFreeMemory

secur32

LsaGetLogonSessionData
LsaFreeReturnBuffer
LsaEnumerateLogonSessions

kernel32

InterlockedDecrement
WaitForSingleObject
GetVersionExW
Sleep
GetLastError
CloseHandle
GetCurrentProcessId
CreateProcessW
GetExitCodeProcess
HeapFree
GetModuleFileNameW
GetCurrentProcess
FindClose
DuplicateHandle
MultiByteToWideChar
OutputDebugStringW
HeapAlloc
GetProcessHeap
WideCharToMultiByte
SetEnvironmentVariableW
GetCommandLineW
SetHandleInformation
SetStdHandle
GetStdHandle
WriteFile
SetFilePointerEx
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
GetCPInfo
GetOEMCP
DecodePointer
ReadConsoleW
ReadFile
SetEndOfFile
HeapReAlloc
HeapSize
GetModuleHandleExW
ExitProcess
LoadLibraryExW
GetACP
GetProcAddress
FreeLibrary
TlsFree
TlsSetValue
CreateFileW
WriteConsoleW
IsValidCodePage
FindNextFileW
FindFirstFileExW
TlsGetValue
LCMapStringW
CompareStringW
GetFileType
GetStringTypeW
GetConsoleMode
GetConsoleCP
FlushFileBuffers
LocalFree
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
EncodePointer
RaiseException
RtlUnwind
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc

user32

CharLowerW
wsprintfW

advapi32

CopySid
ConvertSidToStringSidW
GetLengthSid
LsaNtStatusToWinError
OpenProcessToken
GetTokenInformation

shell32

ShellExecuteExW
SHCreateDirectoryExW

ole32

CoCreateInstance
CoUninitialize
CoInitialize
OleRun

oleaut32

VariantInit
SysFreeString
SysAllocString
VariantClear
GetErrorInfo

urlmon

URLOpenBlockingStreamW

wintrust

WinVerifyTrust

ws2_32

WSAGetLastError
htons
htonl
recv
connect
socket
WSAStartup
getaddrinfo
shutdown
closesocket
WSACleanup
freeaddrinfo
send

version

GetFileVersionInfoW
VerQueryValueW
GetFileVersionInfoSizeW

Sections

.text
Size: 142KB - Virtual size: 142KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 37KB - Virtual size: 37KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gfids
Size: 512B - Virtual size: 308B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.zero
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3659aa85396475816f25d6859b6b7920

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

wtsapi32

secur32

kernel32

user32

advapi32

shell32

ole32

oleaut32

urlmon

wintrust

ws2_32

version

Sections

.text Size: 142KB - Virtual size: 142KB

.rdata Size: 37KB - Virtual size: 37KB

.data Size: 3KB - Virtual size: 13KB

.gfids Size: 512B - Virtual size: 308B

.rsrc Size: 2KB - Virtual size: 2KB

.reloc Size: 6KB - Virtual size: 6KB

.zero Size: 4KB - Virtual size: 3KB

.text
Size: 142KB - Virtual size: 142KB

.rdata
Size: 37KB - Virtual size: 37KB

.data
Size: 3KB - Virtual size: 13KB

.gfids
Size: 512B - Virtual size: 308B

.rsrc
Size: 2KB - Virtual size: 2KB

.reloc
Size: 6KB - Virtual size: 6KB

.zero
Size: 4KB - Virtual size: 3KB