kr[.]exe | Triage

Resubmissions

03-01-2022 15:51

220103-tagh5sbdh2 10

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General

Target

kr.exe
Size

786KB
MD5

899dc9cc6e7516536bf5e816e8cecf55
SHA1

6c07fc00ed2202798194749aa8037bb0ad38bb00
SHA256

5f84ad4413ad6dcdea0cb3aa206cc4df29e1bad9d9598912c323c931d568ac90
SHA512

445016f0e37ee3ecec319b73713d083711608c044f855e16268f89c88d460e95d85b79d375534ac6b7a4a0e869c49470d49b7e325ff0507c550107d593ae688c
SSDEEP

12288:vyxPJa2s86jofrWEuxjcZxyPq8tf8sQ+PRtj3lDsmMHj3N6eiaFmhL+JigR:vyxPJ/s86szWEuKiflOmMDhPEhL+lR

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs
Checks for missing Authenticode signature.

Processes:

resource

kr.exe

resource
kr.exe

Files

kr.exe
.exe windows:5 windows x86 arch:x86

7ce5ed27d4bed277ca4562933102c47c

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

GetTimeZoneInformation
GetACP
MultiByteToWideChar
FlushFileBuffers
GetFileSizeEx
GetLastError
VirtualAlloc
RemoveDirectoryA
SetStdHandle
GetLocalTime
QueryPerformanceFrequency
CloseHandle
GetCurrentProcessId
GetSystemTime
LCMapStringW
LCMapStringA
GetStringTypeW
GetStringTypeA
GetModuleFileNameW
ReadFile
GetProcessHeap
HeapSize
WriteConsoleW
GetConsoleOutputCP
WriteConsoleA
SetFilePointer
IsValidCodePage
GetOEMCP
GetCPInfo
CreateFileA
HeapReAlloc
VirtualFree
HeapCreate
GetFileType
SetHandleCount
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsA
InitializeCriticalSectionAndSpinCount
LoadLibraryA
GetFileAttributesA
CreateEventA
Sleep
IsValidLocale
WideCharToMultiByte
OpenProcess
GetProcessTimes
WriteFile
GetDateFormatA
GetTickCount
WaitForSingleObject
QueryPerformanceCounter
CompareFileTime
SystemTimeToFileTime
SetFilePointerEx
SystemTimeToTzSpecificLocalTime
SetEndOfFile
GetLocaleInfoA
GetFileSize
GetSystemDefaultLangID
DeleteCriticalSection
GetModuleFileNameA
GetStdHandle
GetConsoleMode
GetConsoleCP
InterlockedDecrement
GetCurrentThreadId
SetLastError
InterlockedIncrement
TlsFree
TlsSetValue
TlsAlloc
TlsGetValue
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
ExitProcess
GetCommandLineA
GetStartupInfoA
RaiseException
RtlUnwind
HeapAlloc
HeapFree
EnterCriticalSection
LeaveCriticalSection
GetModuleHandleA

user32

BeginPaint
GetShellWindow
CheckMenuItem
SetDlgItemTextA
GetCaretBlinkTime
GetDlgItemTextA
ClientToScreen
GetWindowRect
SendDlgItemMessageA
TrackPopupMenu
GetWindowDC
MsgWaitForMultipleObjects
GetSubMenu
FindWindowA
GetParent
InvalidateRgn
GetClipboardFormatNameA
GetClientRect
SendMessageA
SetMenuItemBitmaps
EnumWindows
GetDC
GetForegroundWindow
SetWindowContextHelpId
GetWindowTextA
TranslateAcceleratorA
SetWindowPos
IsDlgButtonChecked
SetMenuInfo
GetMenuItemCount
CheckRadioButton
GetSystemMetrics
UpdateWindow

gdi32

FloodFill
GetBkMode
DeleteDC
SetPixel
CreateBitmap
DeleteObject
SelectObject
CreateCompatibleDC
FillRgn
GetBkColor
GetPixel
GetObjectA
GetStockObject
BitBlt

advapi32

RegCloseKey
RegEnumValueA
RegQueryInfoKeyA
RegOpenKeyExA
RegEnumKeyExA

shell32

SHBindToParent
SHGetFolderLocation
SHGetFolderPathW

ole32

CoTaskMemFree
CoInitialize
CoCreateInstance
StringFromCLSID

oleaut32

LoadTypeLi
VariantInit
SysAllocStringLen
VariantChangeType

winmm

timeGetTime

shlwapi

PathAppendW

Sections

.text
Size: 210KB - Virtual size: 209KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 14KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 518KB - Virtual size: 518KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 37KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

7ce5ed27d4bed277ca4562933102c47c

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

advapi32

shell32

ole32

oleaut32

winmm

shlwapi

Sections

.text Size: 210KB - Virtual size: 209KB

.rdata Size: 14KB - Virtual size: 13KB

.data Size: 6KB - Virtual size: 14KB

.rsrc Size: 518KB - Virtual size: 518KB

.reloc Size: 37KB - Virtual size: 36KB

.text
Size: 210KB - Virtual size: 209KB

.rdata
Size: 14KB - Virtual size: 13KB

.data
Size: 6KB - Virtual size: 14KB

.rsrc
Size: 518KB - Virtual size: 518KB

.reloc
Size: 37KB - Virtual size: 36KB