KomaruOverwr[.]rar

Sharing

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General

Target

KomaruOverwr.rar
Size

311KB
MD5

7932a2b02e735b4c5c8370acda6ec9a9
SHA1

a9cb62641a1b44802a47ee51aa88452cdf7607bd
SHA256

2fd1f1422513c9cbf4f8b36e31d0332a3bfb85de90490c3270adc43ca204319c
SHA512

04d4de29ff3d68771d9db2fb950a4cb91069908f5b6c280e43d9fe2e8cfc37d0203dea4b00868c8550c4df7233e797d48f6b912870ac85f0774c106d48d3f7cd
SSDEEP

6144:bPxhmw1qjv+R8vFQ3AuHSZyAQM/Xhagg8RLrXfh2tRze1VbBX4XtWLHtuHy0D:bPxhmGqjv+mtQ9O/XhDJNwne1n4cLJ0D

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/KomaruOverwr/KomaruOverwr.exe

Files

KomaruOverwr.rar
.rar
KomaruOverwr/KomaruOverwr.exe
.exe windows:6 windows x64

13f81fc414150970b6e6f1c07e5cc930

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

Imports

kernel32

RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
CreateThread
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
FreeConsole
Sleep
GetCurrentProcess
GetModuleHandleW
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
RtlCaptureContext

user32

GetCursorPos
GetDesktopWindow
GetWindowDC
LoadIconW
GetDC
GetSystemMetrics
DrawIcon
GetActiveWindow

gdi32

TextOutW
SetTextColor
SetBkColor
BitBlt

winmm

PlaySoundW

vcruntime140

__current_exception
memcpy
memset
__current_exception_context
__C_specific_handler

api-ms-win-crt-utility-l1-1-0

rand

api-ms-win-crt-runtime-l1-1-0

_crt_atexit
_register_onexit_function
terminate
_register_thread_local_exe_atexit_callback
_c_exit
_seh_filter_exe
_cexit
__p___argv
__p___argc
_exit
exit
_initterm_e
_initterm
_get_initial_narrow_environment
_initialize_narrow_environment
_configure_narrow_argv
_initialize_onexit_table
_set_app_type

api-ms-win-crt-math-l1-1-0

__setusermatherr

api-ms-win-crt-stdio-l1-1-0

__p__commode
_set_fmode

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

api-ms-win-crt-heap-l1-1-0

_set_new_mode

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 512B - Virtual size: 396B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
KomaruOverwr/overwr.wav

Sharing

General

Malware Config

Signatures

Files

13f81fc414150970b6e6f1c07e5cc930

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

winmm

vcruntime140

api-ms-win-crt-utility-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-heap-l1-1-0

Sections

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

.rdata Size: 5KB - Virtual size: 4KB

.data Size: 512B - Virtual size: 1KB

.pdata Size: 512B - Virtual size: 396B

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 512B - Virtual size: 48B

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

.rdata
Size: 5KB - Virtual size: 4KB

.data
Size: 512B - Virtual size: 1KB

.pdata
Size: 512B - Virtual size: 396B

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 512B - Virtual size: 48B