MDE_File_Sample_228981e0035bd8e152b9fc37ff013c6b703b98003dd3e011d918f5689274a391[.]zip

Sharing

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General

Target

MDE_File_Sample_228981e0035bd8e152b9fc37ff013c6b703b98003dd3e011d918f5689274a391.zip
Size

30KB
MD5

4a13ece2b62cf55fd583d2b49d9d51d0
SHA1

a6da6e48589b9a01fabdd18818e71d959737b0f5
SHA256

75708c29b4d85ee56c1cc61ce1f5bb442c50a2c2da179412c746be0a0938e03f
SHA512

24e961d71416332c926b4047d8538473cd13b8fd5080ece3c0bf9471847d9bbb3465ea5f59a0b2c3179f4520524ba5d6a9d0f95e468819edbcb189c696ef8916
SSDEEP

768:OBa8w9Z3L1T5XfaHwyLiPtFu4EdnRz+kR8ps6/:OBLw91BT5XfafLiPtVERz+kz6/

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/UsoClient.exe

Files

MDE_File_Sample_228981e0035bd8e152b9fc37ff013c6b703b98003dd3e011d918f5689274a391.zip
.zip

Password: 12345
UsoClient.exe
.exe windows x64

Password: 12345

a40f17f79a678c824519ce2ed81a298d

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

Imports

msvcp_win

?_Winerror_map@std@@YAHH@Z
?_Syserror_map@std@@YAPEBDH@Z
?_Xout_of_range@std@@YAXPEBD@Z
?_Xlength_error@std@@YAXPEBD@Z

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

_register_thread_local_exe_atexit_callback
_initterm_e
_c_exit
_initterm

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

_o__cexit
_o__configthreadlocale
_o__configure_wide_argv
_o__crt_atexit
_o__errno
_o__exit
_o__get_wide_winmain_command_line
_o__initialize_onexit_table
_o__initialize_wide_environment
_o__invalid_parameter_noinfo
_o__invalid_parameter_noinfo_noreturn
_o__purecall
_o__register_onexit_function
_o__seh_filter_exe
_o__set_app_type
_o__set_fmode
_o__set_new_mode
_o__callnewh
memmove
_o_exit
_o_free
_o_malloc
_o_terminate
__C_specific_handler
__current_exception
__current_exception_context
_CxxThrowException
_o___stdio_common_vswprintf
_o___stdio_common_vsnprintf_s
_o___std_exception_destroy
_o___std_exception_copy
_o___p__commode
_o____lc_codepage_func
__std_terminate
__CxxFrameHandler4
memcpy

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

memset

api-ms-win-core-libraryloader-l1-2-0

GetModuleHandleExW
GetModuleFileNameA
GetModuleHandleW
GetProcAddress
LoadLibraryExW
FreeLibrary

api-ms-win-core-synch-l1-1-0

OpenSemaphoreW
CreateMutexExW
CreateSemaphoreExW
WaitForSingleObject
WaitForSingleObjectEx
ReleaseMutex
ReleaseSemaphore

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

HeapFree
HeapAlloc
GetProcessHeap

api-ms-win-core-errorhandling-l1-1-0

SetLastError
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetLastError

api-ms-win-core-processthreads-l1-1-0

GetCurrentProcessId
TerminateProcess
GetCurrentProcess
GetStartupInfoW
GetCurrentThreadId

api-ms-win-core-localization-l1-2-0

FormatMessageA
FormatMessageW

api-ms-win-core-debug-l1-1-0

IsDebuggerPresent
DebugBreak
OutputDebugStringW

api-ms-win-core-handle-l1-1-0

CloseHandle

api-ms-win-core-com-l1-1-0

CoTaskMemAlloc
CoTaskMemFree

api-ms-win-core-wow64-l1-1-1

IsWow64Process2

api-ms-win-eventing-provider-l1-1-0

EventRegister
EventSetInformation
EventUnregister
EventWriteTransfer

api-ms-win-core-processenvironment-l1-1-0

GetCommandLineW
ExpandEnvironmentStringsW

api-ms-win-core-commandlinetoargv-l1-1-0

CommandLineToArgvW

api-ms-win-core-synch-l1-2-0

InitOnceBeginInitialize
InitOnceComplete

api-ms-win-core-heap-l2-1-0

LocalFree

api-ms-win-core-file-l1-1-0

CreateFileW
GetFileAttributesExW

api-ms-win-core-file-l2-1-0

GetFileInformationByHandleEx

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

WideCharToMultiByte

api-ms-win-core-rtlsupport-l1-1-0

RtlVirtualUnwind
RtlCaptureContext
RtlLookupFunctionEntry

api-ms-win-core-processthreads-l1-1-1

IsProcessorFeaturePresent

api-ms-win-core-profile-l1-1-0

QueryPerformanceCounter

api-ms-win-core-sysinfo-l1-1-0

GetSystemTimeAsFileTime

api-ms-win-core-interlocked-l1-1-0

InitializeSListHead

Sections

.text
Size: 44KB - Virtual size: 40KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 16KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 4KB - Virtual size: 984B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 204B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Password: 12345

Password: 12345

a40f17f79a678c824519ce2ed81a298d

Headers

DLL Characteristics

File Characteristics

Imports

msvcp_win

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

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

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

api-ms-win-core-libraryloader-l1-2-0

api-ms-win-core-synch-l1-1-0

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

api-ms-win-core-errorhandling-l1-1-0

api-ms-win-core-processthreads-l1-1-0

api-ms-win-core-localization-l1-2-0

api-ms-win-core-debug-l1-1-0

api-ms-win-core-handle-l1-1-0

api-ms-win-core-com-l1-1-0

api-ms-win-core-wow64-l1-1-1

api-ms-win-eventing-provider-l1-1-0

api-ms-win-core-processenvironment-l1-1-0

api-ms-win-core-commandlinetoargv-l1-1-0

api-ms-win-core-synch-l1-2-0

api-ms-win-core-heap-l2-1-0

api-ms-win-core-file-l1-1-0

api-ms-win-core-file-l2-1-0

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

api-ms-win-core-rtlsupport-l1-1-0

api-ms-win-core-processthreads-l1-1-1

api-ms-win-core-profile-l1-1-0

api-ms-win-core-sysinfo-l1-1-0

api-ms-win-core-interlocked-l1-1-0

Sections

.text Size: 44KB - Virtual size: 40KB

.rdata Size: 16KB - Virtual size: 14KB

.data Size: 4KB - Virtual size: 2KB

.pdata Size: 4KB - Virtual size: 2KB

.rsrc Size: 4KB - Virtual size: 984B

.reloc Size: 4KB - Virtual size: 204B

.text
Size: 44KB - Virtual size: 40KB

.rdata
Size: 16KB - Virtual size: 14KB

.data
Size: 4KB - Virtual size: 2KB

.pdata
Size: 4KB - Virtual size: 2KB

.rsrc
Size: 4KB - Virtual size: 984B

.reloc
Size: 4KB - Virtual size: 204B