vidar | samples[.]zip

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General

Target

samples.zip
Size

169KB
MD5

2fe43ee3e23d4b85c64957a0f5b416bf
SHA1

1e6bd0de24c90fca28ba3bba97a8ef00c50d52f9
SHA256

ae3d42fc9363773bf7c71b477c65294b8c66290b9d31c6e3d55207515b421b98
SHA512

7447e3465e4679252227f37cbb16e13475cf6269a879f5f89025b5651c9a3834db3aa4ec01d9ef05e69d98b69b0639689d998d26079132720b3a9bbc3d0277b7
SSDEEP

3072:Ae2jVnJArHtJQvwzRN6snKOkELY7ra1P5d3vrvLV9Kn8uAKIZIw9JM0Q85hCVEK:Ae2xne3cwzRN9nKOnY7rahDxdIw754n

Score

10^/10

4148a04e73d68a34036f16a82c1d1a47 vidar

Malware Config

Extracted

Family

vidar

Version

3.7

Botnet

4148a04e73d68a34036f16a82c1d1a47

https://steamcommunity.com/profiles/76561199501059503

https://t.me/mastersbots

Attributes

profile_id_v2
4148a04e73d68a34036f16a82c1d1a47
user_agent
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/112.0

Signatures

Vidar family
vidar

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/4048932d4dd40d514feb87a71121e4fb9008fad2bead806f1f050fc797eb9baf

Files

samples.zip
.zip

Password: infected
4048932d4dd40d514feb87a71121e4fb9008fad2bead806f1f050fc797eb9baf
.exe windows x86

1276e2ced93ad6d3cbd7f74318530239

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

kernel32

Sleep
GlobalMemoryStatusEx
VirtualProtect
HeapAlloc
GetProcessHeap
lstrlenA
GetProcAddress
LoadLibraryA
VirtualAlloc
CloseHandle
FindNextFileW
FindFirstFileW
VirtualAllocExNuma
SetEndOfFile
VirtualFree
GetLogicalProcessorInformationEx
GetCurrentProcess
CreateFileW
CreateFileA
SetStdHandle
WriteConsoleW
LoadLibraryW
IsValidLocale
EnumSystemLocalesA
GetLocaleInfoA
GetUserDefaultLCID
HeapReAlloc
GetLocaleInfoW
ExitProcess
InterlockedIncrement
InterlockedDecrement
WideCharToMultiByte
InterlockedExchange
InitializeCriticalSection
DeleteCriticalSection
EnterCriticalSection
LeaveCriticalSection
EncodePointer
DecodePointer
MultiByteToWideChar
GetLastError
HeapFree
RaiseException
RtlUnwind
GetSystemTimeAsFileTime
GetCommandLineA
HeapSetInformation
GetStartupInfoW
LCMapStringW
GetCPInfo
IsProcessorFeaturePresent
TerminateProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
GetModuleHandleW
WriteFile
GetStdHandle
GetModuleFileNameW
HeapCreate
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
SetLastError
GetCurrentThreadId
GetACP
GetOEMCP
IsValidCodePage
HeapSize
SetHandleCount
InitializeCriticalSectionAndSpinCount
GetFileType
GetConsoleCP
GetConsoleMode
FlushFileBuffers
ReadFile
SetFilePointer
GetModuleFileNameA
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetStringTypeW

ole32

CoCreateInstance
CoInitializeSecurity
CoInitializeEx
CoSetProxyBlanket

oleaut32

SysFreeString
VariantClear
VariantInit
SysAllocString

crypt32

CryptStringToBinaryA

Sections

.text
Size: 245KB - Virtual size: 245KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 55KB - Virtual size: 55KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 42KB - Virtual size: 119KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 21KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Extracted

Signatures

Files

Password: infected

1276e2ced93ad6d3cbd7f74318530239

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

ole32

oleaut32

crypt32

Sections

.text Size: 245KB - Virtual size: 245KB

.rdata Size: 55KB - Virtual size: 55KB

.data Size: 42KB - Virtual size: 119KB

.reloc Size: 21KB - Virtual size: 21KB

.text
Size: 245KB - Virtual size: 245KB

.rdata
Size: 55KB - Virtual size: 55KB

.data
Size: 42KB - Virtual size: 119KB

.reloc
Size: 21KB - Virtual size: 21KB