Behavioral task
behavioral1
Sample
buildzzz.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
buildzzz.exe
Resource
win10v2004-20230824-en
General
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Target
buildzzz.exe
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Size
356KB
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MD5
439a5a81b538acd111dc6875133dc84b
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SHA1
feb4530bc412aff642b55ae6c425421c6e9634ab
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SHA256
f593411dee93c3ef40aa1cb9cd54db078f0c38addacffa254289fff336625c7b
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SHA512
37e7d0aa055bb99decf8d6e997c4a59e2d4e72e0ac17db46a67aacb05d86d30d7b7d0a27af369dbbac945465066c5e2b4423e8dc0da021ccc101b8d895e1fb9d
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SSDEEP
6144:R2+XqGAdyvA944aSL0g7SLjxhDOfeNROhXkO6J5hUUZfA:R2+XqUvA92/gGLjzDqeNROhl6TF
Malware Config
Extracted
vidar
5.2
9f47f7e29b8e585dc96017a8a65391df
https://t.me/odyssey_tg
https://steamcommunity.com/profiles/76561199541261200
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profile_id_v2
9f47f7e29b8e585dc96017a8a65391df
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user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.30 (KHTML, like Gecko) Chrome/115.0.1.0 Safari/537.30
Signatures
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Vidar family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource buildzzz.exe
Files
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buildzzz.exe.exe windows x86
ab80a09718062de1bfe3a2139595aff5
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
GetSystemInfo
LocalAlloc
lstrcatA
GetProcAddress
LoadLibraryA
VirtualProtect
HeapAlloc
GetCurrentProcess
TerminateProcess
GetLogicalProcessorInformationEx
CloseHandle
FindNextFileW
FindFirstFileW
SetEndOfFile
GetProcessHeap
ExitProcess
CreateFileW
CreateFileA
SetStdHandle
WriteConsoleW
LoadLibraryW
IsValidLocale
EnumSystemLocalesA
GetLocaleInfoA
GetUserDefaultLCID
GetLocaleInfoW
GetStringTypeW
InterlockedIncrement
InterlockedDecrement
WideCharToMultiByte
InterlockedExchange
InitializeCriticalSection
DeleteCriticalSection
EnterCriticalSection
LeaveCriticalSection
EncodePointer
DecodePointer
MultiByteToWideChar
GetLastError
HeapFree
RaiseException
RtlUnwind
HeapReAlloc
GetSystemTimeAsFileTime
GetCommandLineA
HeapSetInformation
GetStartupInfoW
LCMapStringW
GetCPInfo
IsProcessorFeaturePresent
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
user32
ReleaseDC
gdi32
GetDeviceCaps
CreateDCA
ole32
CoCreateInstance
CoInitializeSecurity
CoInitializeEx
CoSetProxyBlanket
oleaut32
SysFreeString
VariantClear
VariantInit
SysAllocString
Sections
.text Size: 255KB - Virtual size: 254KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 69KB - Virtual size: 69KB
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: 23KB - Virtual size: 23KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ