Static task
static1
Behavioral task
behavioral1
Sample
oggenc.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
oggenc.exe
Resource
win10v2004-20231020-en
General
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Target
oggenc.exe
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Size
1.0MB
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MD5
c43f6628856640504a09ed99a76480f3
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SHA1
aa3a07d9b4bc5707c56ef495a389f184bf974f31
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SHA256
a3a05c58d6f94399d7104cb4e5d3cf748c7f68412064352dfef31f1d5d70b04e
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SHA512
ed77ba82f32a373dfcc2d01ac870ceb292f45118a0e1e0d5f1626d3158b2dd652dc5cb95f01794696e2441e693e57a15ff6d9d162a00687ca9f656739eb7e25b
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SSDEEP
6144:rlITUlA7/5L1TBMOPsw6wsaclvP9pM7dQf1M3c:6tWwswDJ2vFK76f1
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource oggenc.exe
Files
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oggenc.exe.exe windows:4 windows x86
3dce81e76e1ea604da63467b1b88c4ce
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
WriteFile
MultiByteToWideChar
WideCharToMultiByte
HeapFree
HeapReAlloc
HeapAlloc
EnterCriticalSection
LeaveCriticalSection
GetTimeZoneInformation
GetSystemTime
GetLocalTime
ExitProcess
TerminateProcess
GetCurrentProcess
Sleep
CreateDirectoryA
FindClose
FileTimeToSystemTime
FileTimeToLocalFileTime
GetDriveTypeA
FindFirstFileA
GetCommandLineA
GetVersion
InterlockedDecrement
InterlockedIncrement
HeapDestroy
HeapCreate
VirtualFree
InitializeCriticalSection
DeleteCriticalSection
VirtualAlloc
ReadFile
RaiseException
GetProcAddress
GetModuleHandleA
SetHandleCount
GetStdHandle
GetFileType
GetStartupInfoA
SetFilePointer
GetLastError
CloseHandle
GetCurrentThreadId
TlsSetValue
TlsAlloc
SetLastError
TlsGetValue
GetCPInfo
IsValidLocale
IsValidCodePage
GetLocaleInfoA
EnumSystemLocalesA
GetUserDefaultLCID
GetVersionExA
SetStdHandle
GetFullPathNameA
GetCurrentDirectoryA
GetStringTypeA
GetStringTypeW
UnhandledExceptionFilter
GetModuleFileNameA
FreeEnvironmentStringsA
FreeEnvironmentStringsW
GetEnvironmentStrings
GetEnvironmentStringsW
RtlUnwind
LCMapStringA
LCMapStringW
FlushFileBuffers
CompareStringA
CompareStringW
GetACP
GetOEMCP
SetEnvironmentVariableA
CreateFileA
LoadLibraryA
SetEndOfFile
GetLocaleInfoW
Sections
.text Size: 144KB - Virtual size: 143KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 8KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 880KB - Virtual size: 896KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE