u0k28[.]exe | Triage

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General

Target

u0k28.exe
Size

3.8MB
MD5

17f13fc530bc52f8d837689a67b8962a
SHA1

e332280450bb598dd077c17a83165ef5e1521614
SHA256

ed48b6b1dea8a414989055de0987c9dff063e456b2fab2d06b48f1fe0a660b10
SHA512

59d7153ee618bc965fc51ff8ef74f33c246bc503243b4c52a42bded2ab0ddd9fdac6cbfa6babe5330bff2d29252ef6f3fe575f63a69b6080b258cc20ebce7f71
SSDEEP

98304:BMIcaNXmy1sNaz5KVMZ3ZfmUdtIsq2wKu+cWreqvcYtwSyUz+:ZMy1saWEpRdSK1lreFgwqz+

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
u0k28.exe

Files

u0k28.exe
.exe windows:10 windows x86 arch:x86

646167cce332c1c252cdcb1839e0cf48

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

wextract.pdb

Imports

advapi32

GetTokenInformation
RegDeleteValueA
RegOpenKeyExA
RegQueryInfoKeyA
FreeSid
OpenProcessToken
RegSetValueExA
RegCreateKeyExA
LookupPrivilegeValueA
AllocateAndInitializeSid
RegQueryValueExA
EqualSid
RegCloseKey
AdjustTokenPrivileges

kernel32

_lopen
_llseek
CompareStringA
GetLastError
GetFileAttributesA
GetSystemDirectoryA
LoadLibraryA
DeleteFileA
GlobalAlloc
GlobalFree
CloseHandle
WritePrivateProfileStringA
IsDBCSLeadByte
GetWindowsDirectoryA
SetFileAttributesA
GetProcAddress
GlobalLock
LocalFree
RemoveDirectoryA
FreeLibrary
_lclose
CreateDirectoryA
GetPrivateProfileIntA
GetPrivateProfileStringA
GlobalUnlock
ReadFile
SizeofResource
WriteFile
GetDriveTypeA
lstrcmpA
SetFileTime
SetFilePointer
FindResourceA
CreateMutexA
GetVolumeInformationA
ExpandEnvironmentStringsA
GetCurrentDirectoryA
FreeResource
GetVersion
SetCurrentDirectoryA
GetTempPathA
LocalFileTimeToFileTime
CreateFileA
SetEvent
TerminateThread
GetVersionExA
LockResource
GetSystemInfo
CreateThread
ResetEvent
LoadResource
ExitProcess
GetModuleHandleW
CreateProcessA
FormatMessageA
GetTempFileNameA
DosDateTimeToFileTime
CreateEventA
GetExitCodeProcess
FindNextFileA
LocalAlloc
GetShortPathNameA
MulDiv
GetDiskFreeSpaceA
EnumResourceLanguagesA
GetTickCount
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetStartupInfoW
Sleep
FindClose
GetCurrentProcess
FindFirstFileA
WaitForSingleObject
GetModuleFileNameA
LoadLibraryExA

gdi32

GetDeviceCaps

user32

SetWindowLongA
GetDlgItemTextA
DialogBoxIndirectParamA
ShowWindow
MsgWaitForMultipleObjects
SetWindowPos
GetDC
GetWindowRect
DispatchMessageA
GetDesktopWindow
CharUpperA
SetDlgItemTextA
ExitWindowsEx
MessageBeep
EndDialog
CharPrevA
LoadStringA
CharNextA
EnableWindow
ReleaseDC
SetForegroundWindow
PeekMessageA
GetDlgItem
SendMessageA
SendDlgItemMessageA
MessageBoxA
SetWindowTextA
GetWindowLongA
CallWindowProcA
GetSystemMetrics

msvcrt

_controlfp
?terminate@@YAXXZ
_acmdln
_initterm
__setusermatherr
_except_handler4_common
memcpy
_ismbblead
__p__fmode
_cexit
_exit
exit
__set_app_type
__getmainargs
_amsg_exit
__p__commode
_XcptFilter
memcpy_s
_vsnprintf
memset

comctl32

ord17

cabinet

ord22
ord23
ord21
ord20

version

GetFileVersionInfoA
VerQueryValueA
GetFileVersionInfoSizeA

Sections

.text
Size: 25KB - Virtual size: 24KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 3.7MB - Virtual size: 3.7MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

646167cce332c1c252cdcb1839e0cf48

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

kernel32

gdi32

user32

msvcrt

comctl32

cabinet

version

Sections

.text Size: 25KB - Virtual size: 24KB

.data Size: 512B - Virtual size: 6KB

.idata Size: 4KB - Virtual size: 4KB

.rsrc Size: 3.7MB - Virtual size: 3.7MB

.reloc Size: 2KB - Virtual size: 2KB

.text
Size: 25KB - Virtual size: 24KB

.data
Size: 512B - Virtual size: 6KB

.idata
Size: 4KB - Virtual size: 4KB

.rsrc
Size: 3.7MB - Virtual size: 3.7MB

.reloc
Size: 2KB - Virtual size: 2KB