osu[.]replace-v2[.]exe

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General

Target

osu.replace-v2.exe
Size

364KB
MD5

5ab01ddb3f07078362d7c70041c3cd01
SHA1

af94a1622d69c0bd90a87afd87e893801e138e21
SHA256

ddffd56c902a65ab7c4439ce9774d42ef7b20d48d3a1913b4dc5b0d097fa09ef
SHA512

a8c34c30aabba2b0fb6ac7d70431d4b52f51446c47f229f30c299618be054b7433daef651d2db9d10431874347bc59e328856c3db87112c1ea128293e27577df
SSDEEP

6144:UDewyY9egLRePYm5kqENftFhmOE7CM/tUjH7HXpeJpX2fH99SQhZ:U6wZeP0NX0R7CM/tUjkb8H9/

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
osu.replace-v2.exe

Files

osu.replace-v2.exe
.exe windows:6 windows x64 arch:x64

Password: loudOSU

5c16479801aac25e19e4d3e71f54842d

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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_LARGE_ADDRESS_AWARE

PDB Paths

D:\a\_work\1\s\artifacts\obj\win-x64.Release\corehost\apphost\standalone\apphost.pdb

Imports

kernel32

FreeLibrary
LoadLibraryExW
OutputDebugStringW
FindFirstFileExW
EnterCriticalSection
GetFullPathNameW
FindNextFileW
GetCurrentProcess
GetModuleHandleExW
GetModuleFileNameW
LeaveCriticalSection
GetEnvironmentVariableW
GetModuleHandleW
MultiByteToWideChar
GetFileAttributesExW
LoadLibraryA
DeleteCriticalSection
WideCharToMultiByte
IsWow64Process
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
GetProcAddress
GetWindowsDirectoryW
FindResourceW
GetLastError
ActivateActCtx
FindClose
CreateActCtxW
SetLastError
RaiseException
RtlPcToFileHeader
RtlUnwindEx
InitializeSListHead
GetCurrentProcessId
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
GetStringTypeW
SwitchToThread
GetCurrentThreadId
InitializeCriticalSectionEx
EncodePointer
DecodePointer
LCMapStringEx
QueryPerformanceCounter
GetSystemTimeAsFileTime

user32

MessageBoxW

shell32

ShellExecuteW

advapi32

RegOpenKeyExW
RegGetValueW
DeregisterEventSource
RegisterEventSourceW
ReportEventW
RegCloseKey

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

_invalid_parameter_noinfo_noreturn
_initialize_onexit_table
_crt_atexit
_cexit
_seh_filter_exe
_set_app_type
_exit
__p___argc
__p___wargv
_c_exit
_errno
_register_thread_local_exe_atexit_callback
exit
_configure_wide_argv
abort
_initterm_e
_initterm
_initialize_wide_environment
_get_initial_wide_environment
terminate
_register_onexit_function

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

__p__commode
setvbuf
__stdio_common_vswprintf
_set_fmode
__stdio_common_vfwprintf
fflush
__stdio_common_vsnwprintf_s
_wfsopen
fputws
fputwc
__acrt_iob_func

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

free
_set_new_mode
malloc
calloc
_callnewh

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

strcpy_s
wcsncmp
toupper
wcsnlen
_wcsdup

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

wcstoul
_wtoi

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

_gmtime64_s
wcsftime
_time64

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

___mb_cur_max_func
___lc_codepage_func
___lc_locale_name_func
_configthreadlocale
setlocale
_unlock_locales
_lock_locales
__pctype_func

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

__setusermatherr

Sections

.text
Size: 88KB - Virtual size: 88KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 37KB - Virtual size: 37KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 792B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Password: loudOSU

5c16479801aac25e19e4d3e71f54842d

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

shell32

advapi32

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

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

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

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

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

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

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

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

Sections

.text Size: 88KB - Virtual size: 88KB

.rdata Size: 37KB - Virtual size: 37KB

.data Size: 2KB - Virtual size: 5KB

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

_RDATA Size: 512B - Virtual size: 348B

.reloc Size: 1024B - Virtual size: 792B

.rsrc Size: 7KB - Virtual size: 6KB

.text
Size: 88KB - Virtual size: 88KB

.rdata
Size: 37KB - Virtual size: 37KB

.data
Size: 2KB - Virtual size: 5KB

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

_RDATA
Size: 512B - Virtual size: 348B

.reloc
Size: 1024B - Virtual size: 792B

.rsrc
Size: 7KB - Virtual size: 6KB