Behavioral task
behavioral1
Sample
oski_2.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
oski_2.exe
Resource
win10v2004-20220812-en
General
-
Target
oski_2
-
Size
208KB
-
MD5
2e7dc21597dabb15cd704655c031296e
-
SHA1
d47a45a5fc7efd6211fc65aa8ef4e87175c7757c
-
SHA256
056b51e0d78c7b400db5e1a6b41c46005f06bfa8f252e9fd5c65fc0b73e1f79d
-
SHA512
4e45909c52b8dfaaef1e15ac45ee2af1ab3d1510b8b24a690b1e3cf69a898a44a974646a81ec9ade27c4bba3eb1bfa9dd347f1038bd51d611918656a2a527e04
-
SSDEEP
3072:j1Euh1HQMprZc9cHSBKzWB1c+eZST2UbXIrIfI0BYdvq:B9NNSBKzQ13tTxfQ9d
Malware Config
Extracted
oski
tomasisa.ug
Signatures
-
Oski family
Files
-
oski_2.exe windows x86
63452777488d6190b11d3afce5f06b0c
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
HeapAlloc
GetProcessHeap
CreateFileA
GetFileSize
WriteFile
ReadFile
MultiByteToWideChar
CloseHandle
GetFullPathNameW
FindFirstFileExW
FindClose
FindNextFileW
LocalAlloc
GetVersionExA
LocalFree
Sleep
GlobalMemoryStatus
GetFileAttributesA
GetProcAddress
LoadLibraryA
SetFilePointer
MapViewOfFile
UnmapViewOfFile
SystemTimeToFileTime
GetTickCount
FileTimeToSystemTime
GetLocalTime
CreateFileMappingA
GetFileInformationByHandle
WriteConsoleW
SetEndOfFile
FlushFileBuffers
GetConsoleMode
GetConsoleCP
SetStdHandle
FileTimeToLocalFileTime
GetLastError
FindFirstFileExA
FindNextFileA
EncodePointer
DecodePointer
HeapFree
WideCharToMultiByte
GetSystemTimeAsFileTime
GetCommandLineA
HeapSetInformation
GetStartupInfoW
RaiseException
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
IsProcessorFeaturePresent
GetCPInfo
InterlockedIncrement
InterlockedDecrement
GetACP
GetOEMCP
IsValidCodePage
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetModuleHandleW
SetLastError
GetCurrentThreadId
HeapSize
ExitProcess
HeapCreate
GetStdHandle
GetModuleFileNameW
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
RtlUnwind
SetHandleCount
GetFileType
DeleteCriticalSection
SetEnvironmentVariableW
SetEnvironmentVariableA
GetTimeZoneInformation
LCMapStringW
GetModuleFileNameA
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetCurrentProcessId
GetStringTypeW
HeapReAlloc
LoadLibraryW
CompareStringW
CreateFileW
user32
GetDesktopWindow
netapi32
NetWkstaGetInfo
NetApiBufferFree
DsRoleGetPrimaryDomainInformation
Sections
.text Size: 140KB - Virtual size: 139KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 28KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ