netwire | tmpyvctwnbt

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General

Target
tmpyvctwnbt
Size 132KB
Sample260524-1a6llabt21
SHA256 d8df59ead26d06c391a7a43bd806f152fc61e70c886e9eaa04798819d4ce49c9
MD5 ada4d19090d4e522f36fae630eb2545a
SHA1 889b66aa23594d139730e881598a1159e4857201
SHA512 ebcf47238a47ce3ea444d46816881676b251745495c5829862c3bb9faea53a14e7f120acd7a1326049d338204d922c2a6e5a0ddedd9d3f6d4f1758683b4f1302
SSDEEP 1536:2tTSUSKzF0Lh9a7WraTWFbmDHVXWRVAzZ8vfUSl7Q3rw05gjsG:2t5SKzF0Lh9a7IGW9GHeOFavc3r0sG
TLSH
T190D3A419E66BD0F9FD472C7480DFF26F46386D00C534CF62DF953E02DA27921A129AA9
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat botnet stealer netwire

Malware Config

Extracted

Family

netwire

t5.hk:8773

Attributes

activex_autorun
false
copy_executable
false
delete_original
false
host_id
hk-%Rand%
lock_executable
false
offline_keylogger
false
password
123456!@#$%^qwert
registry_autorun
false
use_mutex
false

Signatures

Family: Netwire
Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.
botnet stealer netwire

NetWire RAT payload 1 IoCs

rat

resource	yara_rule
sample	netwire

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
tmpyvctwnbt

File Explorer

tmpyvctwnbt

.exe 132KB

tmpyvctwnbt

IMPHASH 4e6ba17721530f6e9a509b1380c99995
SHA256 d8df59ead26d06c391a7a43bd806f152fc61e70c886e9eaa04798819d4ce49c9
MD5 ada4d19090d4e522f36fae630eb2545a
SHA1 889b66aa23594d139730e881598a1159e4857201
SHA512 ebcf47238a47ce3ea444d46816881676b251745495c5829862c3bb9faea53a14e7f120acd7a1326049d338204d922c2a6e5a0ddedd9d3f6d4f1758683b4f1302
SSDEEP 1536:2tTSUSKzF0Lh9a7WraTWFbmDHVXWRVAzZ8vfUSl7Q3rw05gjsG:2t5SKzF0Lh9a7IGW9GHeOFavc3r0sG
TLSH
T190D3A419E66BD0F9FD472C7480DFF26F46386D00C534CF62DF953E02DA27921A129AA9
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

NetWire RAT payload

rat
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

11211

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DEBUG_STRIPPED

PDB paths

advapi32

CryptAcquireContextA CryptCreateHash CryptDestroyHash CryptGetHashParam CryptHashData CryptReleaseContext RegCloseKey RegCreateKeyExA RegDeleteKeyA RegDeleteValueA RegEnumKeyExA RegEnumValueA RegOpenKeyExA RegQueryValueExA RegSetValueExA

crypt32

CryptUnprotectData

gdi32

BitBlt CreateCompatibleBitmap CreateCompatibleDC DeleteDC DeleteObject GetDIBits SelectObject

kernel32

CloseHandle CreateDirectoryA CreateFileA CreateMutexA CreatePipe CreateProcessA CreateToolhelp32Snapshot DeleteFileA EnterCriticalSection ExitProcess FileTimeToSystemTime FindClose FindFirstFileA FindNextFileA FreeLibrary GetCommandLineA GetComputerNameA GetCurrentProcessId GetCurrentThreadId GetDiskFreeSpaceExA GetDriveTypeA GetFileAttributesA GetFileAttributesExA GetLastError GetLocalTime GetLogicalDriveStringsA GetModuleFileNameA GetProcAddress GetProcessTimes GetStartupInfoA GetSystemInfo GetSystemTime GetTickCount GetVersionExA GetVolumeInformationA InitializeCriticalSection LeaveCriticalSection LoadLibraryA LocalFree MoveFileA OpenProcess PeekNamedPipe Process32First Process32Next ReadFile ReleaseMutex ResumeThread SetErrorMode SetFileAttributesA SetFilePointer Sleep TerminateProcess WideCharToMultiByte WriteFile

msvcrt

_beginthreadex _filelengthi64 _vscprintf _vsnprintf calloc fclose fflush fgetpos fgets fopen fread free fsetpos fwrite getenv malloc memcpy memset printf realloc sprintf strcat strchr strcmp strcpy strlen

netapi32

NetApiBufferFree NetWkstaGetInfo

shell32

SHFileOperationA

user32

CreateWindowExA DefWindowProcA DispatchMessageA EnumWindows GetDC GetDesktopWindow GetForegroundWindow GetKeyNameTextA GetKeyState GetKeyboardState GetMessageA GetSystemMetrics GetWindowTextA IsWindowVisible MapVirtualKeyA PostQuitMessage RegisterClassExA ReleaseDC SendMessageA SetCursorPos SetWindowTextA ShowWindow ToAscii TranslateMessage keybd_event mouse_event

ws2_32

WSACleanup WSAGetLastError WSAIoctl WSAStartup __WSAFDIsSet closesocket connect gethostbyname gethostname htons inet_ntoa ioctlsocket ntohs recv select send setsockopt shutdown socket

Name

.text

Size

113KB

Virtual Size

112KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

9KB

Virtual Size

9KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.bss

Size

Virtual Size

25KB

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.edata

Size

512B

Virtual Size

49B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.idata

Size

4KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.reloc

Size

3KB

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Extracted

Signatures

File Explorer

tmpyvctwnbt

advapi32

crypt32

gdi32

kernel32

msvcrt

netapi32

shell32

user32

ws2_32

generic