osk[.]exe | Triage

General

Target

osk.exe
Size

8.0MB
MD5

14d2a47bd2e082183db04084e1b1967b
SHA1

199bbaf99f00f79ef6f7c068927dd9b6bcb57c37
SHA256

739ae6a61c12e14cca5f0c9cad3264f9cb7db70577efc9be354719455426443f
SHA512

f97646f399931b52dc31231548ca626aa0cb853df2f404f810f89808c26dcb80c7b46696d10e937b52191ac95978c8f2f7bba76ce70f52dc1c5034b65288b7d0
SSDEEP

98304:IMud3Ub2/xd73kVahu9ZEDcZj8prUyMXs:IMuVUSpo+IRyMXs

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
osk.exe

Files

osk.exe
.exe windows:6 windows x64

9cbefe68f395e67356e2a5d8d1b285c0

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Imports

kernel32

WriteFile
WriteConsoleW
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetUnhandledExceptionFilter
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
ResumeThread
PostQueuedCompletionStatus
LoadLibraryA
LoadLibraryW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetEnvironmentStringsW
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerExW
CreateThread
CreateIoCompletionPort
CreateFileA
CreateEventA
CloseHandle
AddVectoredExceptionHandler

Sections

.text
Size: 3.5MB - Virtual size: 3.5MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 3.5MB - Virtual size: 3.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1.0MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 73KB - Virtual size: 72KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.symtab
Size: 512B - Virtual size: 4B

IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9cbefe68f395e67356e2a5d8d1b285c0

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 3.5MB - Virtual size: 3.5MB

.rdata Size: 3.5MB - Virtual size: 3.5MB

.data Size: 1.0MB - Virtual size: 1.4MB

.idata Size: 1KB - Virtual size: 1KB

.reloc Size: 73KB - Virtual size: 72KB

.symtab Size: 512B - Virtual size: 4B

.text
Size: 3.5MB - Virtual size: 3.5MB

.rdata
Size: 3.5MB - Virtual size: 3.5MB

.data
Size: 1.0MB - Virtual size: 1.4MB

.idata
Size: 1KB - Virtual size: 1KB

.reloc
Size: 73KB - Virtual size: 72KB

.symtab
Size: 512B - Virtual size: 4B