Behavioral task
behavioral1
Sample
b43d6fa678ed8e08ae7b0def4ddd1aba13fd977455944d5d0fd7495127f347e6.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b43d6fa678ed8e08ae7b0def4ddd1aba13fd977455944d5d0fd7495127f347e6.exe
Resource
win10v2004-20240508-en
General
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Target
b43d6fa678ed8e08ae7b0def4ddd1aba13fd977455944d5d0fd7495127f347e6
-
Size
365KB
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MD5
849677f2e87d745e47a539736d1b9024
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SHA1
ec13233cc8c1c860570d3eaf0fd6d62c97113942
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SHA256
b43d6fa678ed8e08ae7b0def4ddd1aba13fd977455944d5d0fd7495127f347e6
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SHA512
a8018b8c184d616d61da148add9a40a8d5be3b2310b9feb416d95d9468e32a36a870eb3bae7223f9fcb52293a2839fa886abe7e924365674e56c569f4ec00d5e
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SSDEEP
6144:81R9rz1Q1i9dGeLEcFGE+2u35VHff67UPJzbd:81Rdz1T9RLBpNu35d64/d
Malware Config
Extracted
vidar
2.3
855
https://t.me/mantarlars
https://steamcommunity.com/profiles/76561199474840123
http://49.12.239.21:80
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profile_id
855
Signatures
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Vidar family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource b43d6fa678ed8e08ae7b0def4ddd1aba13fd977455944d5d0fd7495127f347e6
Files
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b43d6fa678ed8e08ae7b0def4ddd1aba13fd977455944d5d0fd7495127f347e6.exe windows:5 windows x86 arch:x86
23d55f9b1cc23c82683612f9785195e2
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
VirtualAllocExNuma
Sleep
VirtualAlloc
GlobalMemoryStatusEx
lstrlenW
LocalAlloc
lstrcatW
GetProcAddress
LoadLibraryA
VirtualProtect
VirtualFree
FindFirstFileW
Process32First
Process32Next
FindNextFileW
CreateToolhelp32Snapshot
CloseHandle
GetProcessHeap
GetCurrentProcess
GetLogicalProcessorInformationEx
ExitProcess
SetEndOfFile
CreateFileW
CreateFileA
WriteConsoleW
SetStdHandle
LoadLibraryW
HeapReAlloc
GetStringTypeW
IsValidLocale
EnumSystemLocalesA
GetLocaleInfoA
InterlockedIncrement
InterlockedDecrement
WideCharToMultiByte
EncodePointer
DecodePointer
InterlockedExchange
InitializeCriticalSection
DeleteCriticalSection
EnterCriticalSection
LeaveCriticalSection
MultiByteToWideChar
GetLastError
HeapFree
HeapAlloc
GetSystemTimeAsFileTime
GetCommandLineA
HeapSetInformation
GetStartupInfoW
RaiseException
RtlUnwind
LCMapStringW
GetCPInfo
TerminateProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
IsProcessorFeaturePresent
HeapCreate
GetModuleHandleW
WriteFile
GetStdHandle
GetModuleFileNameW
GetACP
GetOEMCP
IsValidCodePage
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
SetLastError
GetCurrentThreadId
HeapSize
SetHandleCount
InitializeCriticalSectionAndSpinCount
GetFileType
ReadFile
SetFilePointer
GetConsoleCP
GetConsoleMode
FlushFileBuffers
GetModuleFileNameA
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetLocaleInfoW
GetUserDefaultLCID
ole32
CoCreateInstance
CoInitializeSecurity
CoInitializeEx
CoSetProxyBlanket
oleaut32
VariantInit
VariantClear
SysAllocString
SysFreeString
Sections
.text Size: 271KB - Virtual size: 270KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 63KB - Virtual size: 63KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 7KB - Virtual size: 84KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 22KB - Virtual size: 22KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ