Loader[.]exe | Triage

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General

Target

Loader.exe
Size

3.3MB
MD5

a21fba3705b1379c2f87c731c5e41e19
SHA1

6410ac722db0db576eda9bdbba3113da8dd7dacc
SHA256

8a3e71f32e9a9cf25217c6e6a9b200ca2735d55e13884e4d78bfbb1b313f2411
SHA512

342e945d28683df5623b8c76b7c617b737da12b06842b4836b1770193366ef6b3c23eb9441b990977d21256b61bed396427a2cb6891d16dbac22def930101d49
SSDEEP

49152:OGtlqkYIU6iRxHJugQdkmfK3KmgnzzXFJ32xJMmcuHgahjS+5VvguLLTmAAiPLcM:f+Rn8K3Kmg33McDYZgqL6TccZ

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Loader.exe

Files

Loader.exe
.exe windows:6 windows x64 arch:x64

d1fa75c8094da97d2947ad979e9adbec

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

ws2_32

select
__WSAFDIsSet
inet_pton
WSASetLastError
shutdown
bind
getnameinfo
gethostname
sendto
recvfrom
ntohl
freeaddrinfo
getaddrinfo
ioctlsocket
listen
htonl
socket
send
recv
closesocket
accept
WSACleanup
WSAStartup
WSAIoctl
setsockopt
ntohs
htons
getsockopt
getsockname
getpeername
connect
WSAGetLastError

wldap32

ord46
ord211
ord60
ord22
ord45
ord50
ord301
ord200
ord30
ord79
ord35
ord33
ord32
ord27
ord26
ord41
ord143

crypt32

CryptQueryObject
CertGetCertificateContextProperty
CertDuplicateCertificateContext
CertFreeCertificateChain
CertGetCertificateChain
CertFreeCertificateChainEngine
CertCreateCertificateChainEngine
CertGetNameStringA
CertAddCertificateContextToStore
CryptStringToBinaryA
CertFreeCertificateContext
CertFindCertificateInStore
CertEnumCertificatesInStore
CertCloseStore
CertOpenStore

advapi32

CryptEnumProvidersW
CryptSignHashW
CryptDecrypt
CryptExportKey
CryptGetUserKey
CryptGetProvParam
CryptSetHashParam
CryptDestroyKey
CryptAcquireContextW
ReportEventW
RegisterEventSourceW
DeregisterEventSource
CryptDestroyHash
CryptHashData
CryptCreateHash
CryptGenRandom
CryptGetHashParam
CryptReleaseContext
CryptAcquireContextA
CopySid
IsValidSid
OpenProcessToken
ConvertSidToStringSidW
GetLengthSid
GetTokenInformation

kernel32

RtlPcToFileHeader
InterlockedPushEntrySList
RtlUnwindEx
LoadLibraryExW
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlLookupFunctionEntry
GetSystemInfo
VirtualAlloc
VirtualProtect
VirtualQuery
ExitProcess
CreateThread
ExitThread
FreeLibraryAndExitThread
GetCommandLineW
GetDriveTypeW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
SetFilePointerEx
SetConsoleCtrlHandler
GetCommandLineA
GetConsoleOutputCP
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetTimeZoneInformation
SetStdHandle
FlushFileBuffers
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetEndOfFile
WriteConsoleW
GetStartupInfoW
InitializeCriticalSectionAndSpinCount
GetFileSizeEx
WriteProcessMemory
HeapFree
SetConsoleTitleA
GetCurrentProcess
GetStdHandle
WriteFile
SetCurrentConsoleFontEx
TerminateProcess
GetModuleFileNameW
InitializeCriticalSectionEx
WaitForSingleObject
CreateFileW
ResumeThread
OpenProcess
HeapSize
CreateToolhelp32Snapshot
Sleep
GetLastError
Process32NextW
Process32FirstW
HeapReAlloc
CloseHandle
LoadLibraryW
HeapAlloc
DecodePointer
HeapDestroy
GetThreadContext
VirtualAllocEx
LocalFree
DeleteCriticalSection
GetProcessHeap
CreateProcessW
WideCharToMultiByte
GetConsoleWindow
CreateRemoteThread
VirtualFreeEx
SetThreadContext
GetExitCodeProcess
GetCurrentThread
Beep
SetLastError
QueryPerformanceCounter
QueryPerformanceFrequency
FormatMessageA
GetTickCount
EnterCriticalSection
LeaveCriticalSection
SleepEx
VerSetConditionMask
GetSystemDirectoryA
FreeLibrary
GetModuleHandleA
GetProcAddress
LoadLibraryA
VerifyVersionInfoA
WaitForSingleObjectEx
ExpandEnvironmentStringsA
GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
CreateFileA
GetEnvironmentVariableW
GetConsoleMode
SetConsoleMode
ReadConsoleA
ReadConsoleW
RtlUnwind
GetCurrentThreadId
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetModuleHandleExW
MultiByteToWideChar
FormatMessageW
GetModuleHandleW
GetCurrentProcessId
GetSystemTimeAsFileTime
RtlVirtualUnwind
SwitchToFiber
DeleteFiber
CreateFiber
ConvertFiberToThread
ConvertThreadToFiber
FindClose
FindFirstFileW
FindNextFileW
GetSystemTime
SystemTimeToFileTime
RtlCaptureContext
InitializeSListHead
RaiseException
OutputDebugStringW
IsDebuggerPresent
GetCPInfo
GetStringTypeW
SleepConditionVariableSRW
WakeAllConditionVariable
LCMapStringEx
EncodePointer
GetCurrentDirectoryW
FindFirstFileExW
GetFileAttributesExW
GetFileInformationByHandle
GetFullPathNameW
AreFileApisANSI
MoveFileExW
GetFileInformationByHandleEx
GetLocaleInfoEx
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryAcquireSRWLockExclusive

user32

FindWindowW
MessageBoxW
GetWindowLongW
FindWindowA
GetProcessWindowStation
GetUserObjectInformationW
SetWindowLongW
MessageBoxA
ShowWindow

shell32

ShellExecuteA

bcrypt

BCryptGenRandom

userenv

UnloadUserProfile

rpcrt4

RpcStringFreeA
UuidToStringA
UuidCreate

wininet

InternetCloseHandle
InternetReadFile
InternetOpenW
InternetOpenUrlW

Sections

.text
Size: 2.4MB - Virtual size: 2.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 786KB - Virtual size: 785KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 36KB - Virtual size: 64KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 100KB - Virtual size: 100KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 488B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 30KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d1fa75c8094da97d2947ad979e9adbec

Headers

DLL Characteristics

File Characteristics

Imports

ws2_32

wldap32

crypt32

advapi32

kernel32

user32

shell32

bcrypt

userenv

rpcrt4

wininet

Sections

.text Size: 2.4MB - Virtual size: 2.4MB

.rdata Size: 786KB - Virtual size: 785KB

.data Size: 36KB - Virtual size: 64KB

.pdata Size: 100KB - Virtual size: 100KB

.rsrc Size: 512B - Virtual size: 488B

.reloc Size: 30KB - Virtual size: 30KB

.text
Size: 2.4MB - Virtual size: 2.4MB

.rdata
Size: 786KB - Virtual size: 785KB

.data
Size: 36KB - Virtual size: 64KB

.pdata
Size: 100KB - Virtual size: 100KB

.rsrc
Size: 512B - Virtual size: 488B

.reloc
Size: 30KB - Virtual size: 30KB