Behavioral task
behavioral1
Sample
bot.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
bot.exe
Resource
win10v2004-20240226-en
General
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Target
bot.exe
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Size
200KB
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MD5
3ac80dee855e85c52c0170373af79a04
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SHA1
79b6a5708b05b88847b605dfe5271073826ba5f4
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SHA256
52338add561f1e396b0f8377e77bae2a05bcb8d7cc19548dbf9ff8cf0b57cc1f
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SHA512
0a2eae9404bec953ba84d98c05455b0fd42500c80ab66e8c9ffb19e102a81cb98dd09b82e862dbe15fb142e39165514ff6ac12d6acf47494a73222052923eb3c
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SSDEEP
3072:WfUomEuYm98dlSq7gt5q7Dx+XgS6aCEwhOfUbCalNT2pbB3fIC1Xi6FLPo3c:WfUauY68uSWCx+XA7mg2pNr1Ljo3c
Malware Config
Extracted
oski
62.77.159.212
Signatures
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Oski family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource bot.exe
Files
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bot.exe.exe windows:5 windows x86 arch:x86
7bb9d345a5fec4fbbf5100d6a3ffbb8c
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
HeapAlloc
GetProcessHeap
CreateFileA
GetFileSize
WriteFile
ReadFile
MultiByteToWideChar
CloseHandle
GetFullPathNameW
FindFirstFileExW
FindClose
FindNextFileW
LocalAlloc
GetVersionExA
LocalFree
Sleep
GlobalMemoryStatus
GetFileAttributesA
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
GetProcAddress
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: 150KB - Virtual size: 150KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 32KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 17KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ