vidar | file[.]exe

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General

Target

file.exe
Size

275KB
MD5

df96c3d0bb84474f4ed6c4206d1bacea
SHA1

3e846e3a979cfad2df3eadc821fccf48f2cda4fd
SHA256

dab9fee612125503146e28407ec8631232d6b48d567c902b6743bf2e984048b8
SHA512

17ab06107bfcbbd4cc5503996d544d5d48e6ae4f49f76be841455885b77e5c7a5128ab74903a1825dd3a809aed12b414f7dc97c2ae7f5750ad67abba22bd1055
SSDEEP

6144:rh0ZpFC4sffny7TuLBdZlT4DIJYdy3i8ioyrN:rh0ZpFCfB3TGyYy35iBZ

Score

10^/10

stealer 93e4f2dec1428009f8bc755e83a21d1b vidar stealc

Malware Config

Extracted

Family

vidar

Version

11.8

Botnet

93e4f2dec1428009f8bc755e83a21d1b

https://t.me/fu4chmo

https://steamcommunity.com/profiles/76561199802540894

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15 Ddg/17.6

Signatures

Detect Vidar Stealer 1 IoCs

stealer

Processes:

resource	yara_rule
sample	family_vidar_v7

Stealc family
stealc
Vidar family
vidar

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

Processes:

resource
file.exe

Files

file.exe
.exe windows:5 windows x86 arch:x86

0b8c3b7f5974cb002243977711d52689

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NO_ISOLATION
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

msvcrt

_mbscmp
_splitpath
memmove
strstr
strncpy
malloc
_wtoi64
??_V@YAXPAX@Z
atexit
strcpy_s
memchr
strchr
strtok_s
??_U@YAPAXI@Z
_time64
srand
rand
_ismbcupper
__CxxFrameHandler3

kernel32

GetEnvironmentStringsW
FreeEnvironmentStringsW
GetModuleFileNameA
HeapSize
WideCharToMultiByte
IsValidCodePage
GetOEMCP
GetACP
GetCPInfo
HeapSetInformation
GetCommandLineA
ExitProcess
SetCriticalSectionSpinCount
FlsAlloc
HeapAlloc
GetCurrentProcess
HeapFree
VirtualFree
GetProcessHeap
WriteFile
VirtualAllocExNuma
Sleep
ReadFile
CreateFileW
lstrcatA
MultiByteToWideChar
GetTempPathW
GetLastError
lstrcmpiA
GetProcAddress
VirtualAlloc
GlobalMemoryStatusEx
ConvertDefaultLocale
lstrcmpiW
GetModuleHandleA
VirtualProtect
CloseHandle
lstrlenA
CreateFileA
GetFileSize
FreeLibrary
GetThreadContext
SetThreadContext
SetHandleCount
VirtualAllocEx
WriteProcessMemory
VirtualQueryEx
OpenProcess
GetComputerNameA
FileTimeToSystemTime
WaitForSingleObject
GetDriveTypeA
CreateProcessA
CreateDirectoryA
FindFirstFileA
GetLogicalDriveStringsA
FindClose
FindNextFileA
CreateThread
SetFilePointer
MapViewOfFile
UnmapViewOfFile
lstrcpynA
SystemTimeToFileTime
GetTickCount
GetLocalTime
CreateFileMappingA
GetFileInformationByHandle
lstrcpyA
TlsGetValue
TlsAlloc
GetModuleFileNameW
GetStdHandle
GetModuleHandleW
HeapDestroy
HeapCreate
RtlUnwind
EnterCriticalSection
FatalAppExitA
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
DecodePointer
EncodePointer
IsDebuggerPresent
SetUnhandledExceptionFilter
HeapReAlloc
GetFileType
QueryPerformanceCounter
GetStartupInfoW
GetCurrentProcessId
GetSystemTimeAsFileTime
LCMapStringW
ReadProcessMemory
GetStringTypeW
UnhandledExceptionFilter
TerminateProcess
TlsFree
RaiseException
IsValidLocale
EnumSystemLocalesA
GetLocaleInfoA
GetUserDefaultLCID
InterlockedIncrement
SetLastError
GetCurrentThreadId
InterlockedDecrement
GetCurrentThread
IsProcessorFeaturePresent
SetConsoleCtrlHandler
InterlockedExchange
GetLocaleInfoW
LoadLibraryW
TlsSetValue

user32

wsprintfA
GetDesktopWindow
OpenDesktopA
CreateDesktopA
CloseDesktop
OpenInputDesktop
wsprintfW
IsDialogMessageW
MessageBoxA
GetWindowLongW
ReleaseDC
GetWindowContextHelpId
GetCursorPos
SetThreadDesktop
RegisterClassW
IsWindowVisible
CharToOemA

gdi32

CreateDCA
GetDeviceCaps

advapi32

RegGetValueA
RegOpenKeyExA
GetUserNameA
GetCurrentHwProfileA

shell32

SHFileOperationA
SHGetFolderPathA

ole32

CoInitializeSecurity
CoSetProxyBlanket
CoCreateInstance
CoInitializeEx

oleaut32

VariantClear
SysFreeString
VariantInit
SysAllocString

psapi

GetModuleBaseNameA
EnumProcessModules

ws2_32

connect
WSAStartup
getaddrinfo
htons
WSACleanup
recv
socket
freeaddrinfo
closesocket
send

shlwapi

ord155
PathFileExistsA

Sections

.text
Size: 191KB - Virtual size: 191KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 52KB - Virtual size: 51KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 11KB - Virtual size: 2.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 512B - Virtual size: 176B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 18KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Extracted

Signatures

Files

0b8c3b7f5974cb002243977711d52689

Headers

DLL Characteristics

File Characteristics

Imports

msvcrt

kernel32

user32

gdi32

advapi32

shell32

ole32

oleaut32

psapi

ws2_32

shlwapi

Sections

.text Size: 191KB - Virtual size: 191KB

.rdata Size: 52KB - Virtual size: 51KB

.data Size: 11KB - Virtual size: 2.1MB

.rsrc Size: 512B - Virtual size: 176B

.reloc Size: 18KB - Virtual size: 18KB

.text
Size: 191KB - Virtual size: 191KB

.rdata
Size: 52KB - Virtual size: 51KB

.data
Size: 11KB - Virtual size: 2.1MB

.rsrc
Size: 512B - Virtual size: 176B

.reloc
Size: 18KB - Virtual size: 18KB