gh0strat | b8f3bc0e9e35798d771c17e8d8e3ce2e5ee3e47e4cbebad260cafd6eb1264b09

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General

Target
b8f3bc0e9e35798d771c17e8d8e3ce2e5ee3e47e4cbebad260cafd6eb1264b09
Size 899KB
Sample260930-kv898athnb
SHA256 b8f3bc0e9e35798d771c17e8d8e3ce2e5ee3e47e4cbebad260cafd6eb1264b09
MD5 4aeb686f4d20310cdb27def702c0ffe2
SHA1 6c2330c8c32748b1c7d1c00874979e9281649e0b
SHA512 eae840fc3452bc28755856e0c68406b46906ba0076c57e401f0955964d7226d23f6aa34f9b872d8ce0047ed154417f5ac76b81580e22ca86567a5ccbfab777cf
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXc:7wqd87Vc
TLSH
T15B152983F6B68CA3C7C90435DC7AD2B67B24761CE3F786327280E9D7B5B6251781421A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat gh0strat

Malware Config

Signatures

Family: Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat

Gh0st RAT payload 1 IoCs

resource	yara_rule
sample	family_gh0strat

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
b8f3bc0e9e35798d771c17e8d8e3ce2e5ee3e47e4cbebad260cafd6eb1264b09

File Explorer

b8f3bc0e9e35798d771c17e8d8e3ce2e5ee3e47e4cbebad260cafd6eb1264b09

.dll 899KB

b8f3bc0e9e35798d771c17e8d8e3ce2e5ee3e47e4cbebad260cafd6eb1264b09

IMPHASH ae118f3d7fe149b456ac30484c6830f8
SHA256 b8f3bc0e9e35798d771c17e8d8e3ce2e5ee3e47e4cbebad260cafd6eb1264b09
MD5 4aeb686f4d20310cdb27def702c0ffe2
SHA1 6c2330c8c32748b1c7d1c00874979e9281649e0b
SHA512 eae840fc3452bc28755856e0c68406b46906ba0076c57e401f0955964d7226d23f6aa34f9b872d8ce0047ed154417f5ac76b81580e22ca86567a5ccbfab777cf
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXc:7wqd87Vc
TLSH
T15B152983F6B68CA3C7C90435DC7AD2B67B24761CE3F786327280E9D7B5B6251781421A
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Gh0st RAT payload
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

54981

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

kernel32

FindClose LocalFree FindNextFileA LocalReAlloc LocalAlloc FindFirstFileA RemoveDirectoryA SetFileAttributesA ReadFile MoveFileA WaitForSingleObject FreeLibrary GetProcAddress LoadLibraryA GetTickCount WinExec LocalSize GetCurrentProcessId Process32Next TerminateProcess OpenProcess Process32First CopyFileA GetModuleFileNameA GlobalMemoryStatusEx GetCurrentDirectoryA FreeConsole GetModuleHandleA SetEvent GetLogicalDriveStringsA GetProcessHeap VirtualProtect HeapFree InitializeCriticalSection DeleteCriticalSection CreateThread LeaveCriticalSection EnterCriticalSection GlobalFree GlobalUnlock GlobalLock GlobalAlloc GlobalSize QueryPerformanceFrequency QueryPerformanceCounter GetSystemDirectoryA GetStartupInfoA CreatePipe DisconnectNamedPipe TerminateThread PeekNamedPipe WaitForMultipleObjects CreateEventA WritePrivateProfileStringA GetPrivateProfileStringA lstrcmpiA GetCurrentThreadId GetSystemInfo GetVolumeInformationA GetDiskFreeSpaceExA GetDriveTypeA ExpandEnvironmentStringsA lstrcatA CreateProcessA lstrlenA lstrcpyA GetFileAttributesA CreateDirectoryA GetLastError DeleteFileA GetCurrentProcess IsWow64Process GetFileSize CreateFileA SetFilePointer WriteFile VirtualFree CloseHandle Sleep InterlockedExchange VirtualAlloc HeapAlloc

user32

GetUserObjectInformationA GetThreadDesktop wsprintfA SetThreadDesktop CloseDesktop GetCursorPos GetCursorInfo GetClipboardData OpenClipboard EmptyClipboard SetClipboardData CloseClipboard mouse_event MapVirtualKeyA keybd_event CharNextA SystemParametersInfoA SendMessageA ReleaseDC BlockInput DestroyCursor LoadCursorA GetDC GetLastInputInfo OpenInputDesktop GetSystemMetrics ChangeDisplaySettingsA GetWindowThreadProcessId

gdi32

CreateCompatibleBitmap GetDIBits CreateRectRgnIndirect CombineRgn GetRegionData BitBlt DeleteObject CreateCompatibleDC CreateDIBSection SelectObject DeleteDC GetDeviceCaps

advapi32

OpenServiceA QueryServiceStatus ControlService CloseServiceHandle RegQueryValueA RegOpenKeyExA RegSetValueExA RegCloseKey GetUserNameA OpenSCManagerA

shell32

SHGetFolderPathA ShellExecuteExA SHGetFileInfoA SHGetSpecialFolderPathA

ole32

CoCreateInstance CoInitialize

oleaut32

VariantClear VariantInit

mfc42

ord823 ord825

msvcrt

_strupr _stricmp _strcmpi _strnicmp exit fprintf sscanf getenv _adjust_fdiv _initterm _onexit __dllonexit ??1type_info@@UAE@XZ _beginthreadex _iob _errno realloc strchr wcstombs vsprintf sprintf ceil _ftol __CxxFrameHandler _CxxThrowException free malloc _except_handler3 strstr strncpy strrchr memmove _local_unwind2 rand printf atoi strcspn

urlmon

URLDownloadToFileA

ws2_32

inet_ntoa recv send select __WSAFDIsSet recvfrom sendto gethostbyname connect inet_addr WSAStartup WSACleanup accept socket htons bind listen getsockname ntohs closesocket getpeername

msvcp60

?_Tidy@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AAEX_N@Z ?_C@?1??_Nullstr@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@CAPBDXZ@4DB ??1?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@XZ ?assign@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV12@PBDI@Z ?_Grow@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AAE_NI_N@Z ?_Refcnt@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AAEAAEPBD@Z ?_Eos@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AAEXI@Z ?_Split@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AAEXXZ ?_Xran@std@@YAXXZ ?npos@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@2IB

iphlpapi

GetAdaptersInfo GetIfTable

Name

.text

Size

460KB

Virtual Size

460KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rodata

Size

12KB

Virtual Size

11KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rotext

Size

108KB

Virtual Size

107KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

244KB

Virtual Size

244KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

48KB

Virtual Size

472KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

22KB

Virtual Size

22KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

b8f3bc0e9e35798d771c17e8d8e3ce2e5ee3e47e4cbebad260cafd6eb1264b09

kernel32

user32

gdi32

advapi32

shell32

ole32

oleaut32

mfc42

msvcrt

urlmon

ws2_32

msvcp60

iphlpapi

generic