gost-windows-amd64[.]exe

General

Target

gost-windows-amd64.exe
Size

11.5MB
MD5

a3f917aa320c7cbe9e551c8c7491c3b6
SHA1

3bfe158aaf463379d869e99e779092f5abffd003
SHA256

1f0f654829c46b035b19a9fc73e558bdf75aa446155a7ca6943fc3a476bf586f
SHA512

3aefd62e7a609039bf3aa3c69e196a1829e7fe79ed96c2fa9316c44345b6535f8cf4b0d66187cbc9b946bbc4d2c17bec0bb89147619d6bae19e6f2ee2926bbb6
SSDEEP

98304:k3z3mhS7wBBSp4Z28XDXVJE7Ut8yD2F04:E7ySksp4ZcuJD2FX

Score

8^/10

Malware Config

Signatures

Detects GOST tunneling tool 1 IoCs

A simple tunneling tool written in Golang

resource	yara_rule
sample	Gost

Files

gost-windows-amd64.exe
.exe windows x64

ff9f3a86709796c17211f9df12aae74d

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
IMAGE_FILE_DEBUG_STRIPPED

Imports

kernel32

WriteFile
WriteConsoleW
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetUnhandledExceptionFilter
SetThreadPriority
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
ResumeThread
PostQueuedCompletionStatus
LoadLibraryA
LoadLibraryW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetEnvironmentStringsW
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerExW
CreateWaitableTimerA
CreateThread
CreateIoCompletionPort
CreateFileA
CreateEventA
CloseHandle
AddVectoredExceptionHandler

Sections

.text
Size: 5.7MB - Virtual size: 5.7MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5.2MB - Virtual size: 5.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 475KB - Virtual size: 948KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 99KB - Virtual size: 99KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.symtab
Size: 512B - Virtual size: 4B

IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

ff9f3a86709796c17211f9df12aae74d

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 5.7MB - Virtual size: 5.7MB

.rdata Size: 5.2MB - Virtual size: 5.2MB

.data Size: 475KB - Virtual size: 948KB

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

.reloc Size: 99KB - Virtual size: 99KB

.symtab Size: 512B - Virtual size: 4B

.text
Size: 5.7MB - Virtual size: 5.7MB

.rdata
Size: 5.2MB - Virtual size: 5.2MB

.data
Size: 475KB - Virtual size: 948KB

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

.reloc
Size: 99KB - Virtual size: 99KB

.symtab
Size: 512B - Virtual size: 4B