neshta | c36f650adbd3d2274ff5b8a86874d845293041710e149e96b7cc11f584b22dd6

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General

Target

c36f650adbd3d2274ff5b8a86874d845293041710e149e96b7cc11f584b22dd6
Size

63KB
MD5

17b368698ffc4be537f89bd9369f6f59
SHA1

ed3cea7a3f3ec7ac85ab73bd7006d49f3e66676b
SHA256

c36f650adbd3d2274ff5b8a86874d845293041710e149e96b7cc11f584b22dd6
SHA512

15f6954b12afcd6bf7a2b611585742686a0b13b2b57dcc213ff035942b0dbd269b0ff7f1e6de115e5f5cd8e40e925a26e1985184f0d2206752f2dc549729435a
SSDEEP

1536:YmDiCZ9S39tz6azEP3j5XbRGFVWhHLm6uYndduu:ZDi+a9tz6azEvlXbRGFVWlnuYeu

Score

10^/10

neshta

Malware Config

Signatures

Detect Neshta payload 1 IoCs

Processes:

resource	yara_rule
static1/unpack001/新建文件夹/svchost.com	family_neshta

Neshta family
neshta

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

Processes:

resource
unpack001/新建文件夹/fast.exe
unpack001/新建文件夹/svchost.com

Files

c36f650adbd3d2274ff5b8a86874d845293041710e149e96b7cc11f584b22dd6
.zip
新建文件夹/fast.exe
.exe windows:5 windows x86 arch:x86

851a0ba8fbb71710075bdfe6dcef92eb

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

mpr

WNetEnumResourceW
WNetUseConnectionW
WNetOpenEnumW
WNetCloseEnum

ws2_32

ioctlsocket
getpeername
ntohl
select
WSAGetLastError
htons
recv
socket
closesocket
getsockopt
WSAAddressToStringW
htonl
connect

iphlpapi

GetIpAddrTable

winhttp

WinHttpReceiveResponse
WinHttpOpenRequest
WinHttpConnect
WinHttpCloseHandle
WinHttpOpen
WinHttpSendRequest

kernel32

FindClose
FindNextFileW
SystemTimeToFileTime
OpenProcess
FindFirstFileW
MoveFileW
GetFileSizeEx
SetFilePointerEx
SetEndOfFile
GetCurrentThreadId
GetLocalTime
ExitProcess
SetFilePointer
WaitForSingleObject
GetComputerNameW
SetEvent
GetLogicalDrives
GetTickCount
Sleep
CopyFileW
GetFileAttributesW
ReadFile
CreateFileW
MultiByteToWideChar
CreateEventW
WaitForMultipleObjects
CloseHandle
SetFileAttributesW
CreateThread
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
ResetEvent
DeleteCriticalSection
AllocConsole
WriteFile
WideCharToMultiByte
WriteConsoleW
GetStdHandle
CreateMutexW
CreateProcessW
GetCurrentProcess
SetHandleInformation
HeapFree
GetLocaleInfoW
ReadProcessMemory
TerminateProcess
GetModuleFileNameW
FlushFileBuffers
OpenMutexW
GetLastError
GetProcAddress
Process32FirstW
GetExitCodeThread
CreatePipe
Process32NextW
GetModuleHandleA
CreateToolhelp32Snapshot
ReleaseMutex
GetVersion
DeleteFileW
GetCurrentProcessId
GetVolumeInformationW
ExpandEnvironmentStringsW
HeapAlloc
GetProcessHeap
HeapReAlloc
QueryPerformanceCounter

user32

GetWindowThreadProcessId
GetShellWindow

advapi32

FreeSid
LookupPrivilegeValueW
OpenProcessToken
GetTokenInformation
EqualSid
RegSetValueExW
RegCloseKey
AdjustTokenPrivileges
RegOpenKeyExW
LookupAccountSidW
AllocateAndInitializeSid
DuplicateTokenEx
RegQueryValueExW

shell32

ShellExecuteExW

ole32

CoGetObject
CoInitializeEx
CoUninitialize

Sections

.text
Size: 33KB - Virtual size: 33KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.cdata
Size: 15KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
新建文件夹/svchost.com
.exe windows:4 windows x86 arch:x86

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Sections

CODE
Size: 29KB - Virtual size: 28KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

DATA
Size: 1024B - Virtual size: 536B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

BSS
Size: - Virtual size: 42KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: - Virtual size: 8B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

851a0ba8fbb71710075bdfe6dcef92eb

Headers

DLL Characteristics

File Characteristics

Imports

mpr

ws2_32

iphlpapi

winhttp

kernel32

user32

advapi32

shell32

ole32

Sections

.text Size: 33KB - Virtual size: 33KB

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

.data Size: 1KB - Virtual size: 9KB

.reloc Size: 1KB - Virtual size: 1KB

.cdata Size: 15KB - Virtual size: 14KB

Headers

File Characteristics

Sections

CODE Size: 29KB - Virtual size: 28KB

DATA Size: 1024B - Virtual size: 536B

BSS Size: - Virtual size: 42KB

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

.tls Size: - Virtual size: 8B

.rdata Size: 512B - Virtual size: 24B

.reloc Size: 1KB - Virtual size: 1KB

.rsrc Size: 5KB - Virtual size: 5KB

.text
Size: 33KB - Virtual size: 33KB

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

.data
Size: 1KB - Virtual size: 9KB

.reloc
Size: 1KB - Virtual size: 1KB

.cdata
Size: 15KB - Virtual size: 14KB

CODE
Size: 29KB - Virtual size: 28KB

DATA
Size: 1024B - Virtual size: 536B

BSS
Size: - Virtual size: 42KB

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

.tls
Size: - Virtual size: 8B

.rdata
Size: 512B - Virtual size: 24B

.reloc
Size: 1KB - Virtual size: 1KB

.rsrc
Size: 5KB - Virtual size: 5KB