vidar | a3608a51db9df14c42f8c6e37ac49969de70b4be0862d82b5823c00aed395f9d_dump[.]exe

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General

Target

a3608a51db9df14c42f8c6e37ac49969de70b4be0862d82b5823c00aed395f9d_dump.exe
Size

207KB
MD5

50275f63091d7094b9e2dd71df287323
SHA1

772999c112054ce18acdbec98d86c670791214c2
SHA256

617cff41739c1dd2d685c1b6f2d9c4bb56a96788a5127684896a28855fff1abc
SHA512

6706d6b1f9cf8bb389a8681ad4b353c4e15f692f68784d38930f95c0b2f65f1255137789a949217ba56a9273f436b781c9cc927517ce66bfcb5190054b682e02
SSDEEP

3072:WqaddXw+Se8qGLLFiYP0ZLB826Fpw1YTxfJUzvFgWyGRt:9adRw+SxiYPyBKY1YTJiOYt

Score

10^/10

stealer vidar stealc

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Signatures

Detect Vidar Stealer 1 IoCs

stealer

resource	yara_rule
sample	family_vidar_v7

Stealc family
stealc
Vidar family
vidar

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
a3608a51db9df14c42f8c6e37ac49969de70b4be0862d82b5823c00aed395f9d_dump.exe

Files

a3608a51db9df14c42f8c6e37ac49969de70b4be0862d82b5823c00aed395f9d_dump.exe
.exe windows:5 windows x86 arch:x86

a34c7216d6536a950566187b3d5a3285

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

msvcrt

_EH_prolog
__CxxFrameHandler3
memcmp
memchr
strncpy
malloc
_wtoi64
atexit
??_V@YAXPAX@Z
memset
strcpy_s
strtok_s
memmove
strchr
memcpy
strcat
??_U@YAPAXI@Z
wcslen
strlen

kernel32

IsProcessorFeaturePresent
LoadLibraryW
ExitProcess
GetCurrentProcess
HeapAlloc
GetProcessHeap
lstrlenA
HeapFree
ReadProcessMemory
VirtualQueryEx
GetComputerNameA
FileTimeToSystemTime
CloseHandle
WaitForSingleObject
CreateThread
GetDriveTypeA
GetLogicalDriveStringsA
CreateDirectoryA
LoadLibraryA
GetStringTypeW
Sleep
MultiByteToWideChar
LCMapStringW
WideCharToMultiByte
GetModuleFileNameW
GetStdHandle
GetProcAddress
GetCurrentThreadId
SetLastError
GetModuleHandleW
OpenProcess
RaiseException
EncodePointer
GetLastError
DecodePointer
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
TerminateProcess
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
RtlUnwind
GetCPInfo
InterlockedIncrement
InterlockedDecrement
GetACP
GetOEMCP
IsValidCodePage
TlsGetValue
TlsSetValue
WriteFile

user32

wsprintfW
CharToOemA

advapi32

RegGetValueA
GetCurrentHwProfileA
RegOpenKeyExA
GetUserNameA

shell32

SHFileOperationA

ole32

CoSetProxyBlanket
CoInitializeSecurity
CoInitializeEx
CoCreateInstance

oleaut32

VariantInit
SysAllocString
SysFreeString
VariantClear

shlwapi

ord155

crypt32

CryptStringToBinaryA

Sections

.text
Size: 136KB - Virtual size: 135KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 46KB - Virtual size: 45KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 2.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 20KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Files

a34c7216d6536a950566187b3d5a3285

Headers

DLL Characteristics

File Characteristics

Imports

msvcrt

kernel32

user32

advapi32

shell32

ole32

oleaut32

shlwapi

crypt32

Sections

.text Size: 136KB - Virtual size: 135KB

.rdata Size: 46KB - Virtual size: 45KB

.data Size: 4KB - Virtual size: 2.1MB

.reloc Size: 20KB - Virtual size: 20KB

.text
Size: 136KB - Virtual size: 135KB

.rdata
Size: 46KB - Virtual size: 45KB

.data
Size: 4KB - Virtual size: 2.1MB

.reloc
Size: 20KB - Virtual size: 20KB