Lockscreen[.]exe

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General

Target

Lockscreen.exe
Size

28KB
MD5

693f0b6f14862d6eb108aecc3d7a339f
SHA1

0c7ac0e0c53cedb8702a465547e0e796ec921b80
SHA256

5ad03cd1c0674047bfb5173bb60af1e8fdb26b8c6949dcfc07ac4391afc5545a
SHA512

50c00edc0c61496f2b1d897579ace4e9fab3fd4daba74754c0aae14fd21b3222c4db2c7a52640cc10893a06cbf8757a809d5e040b1fc796e90033cea61064675
SSDEEP

384:+83LQvpWLHt8FZcnS+6dDNuuF76PGwMRwU6yX4/hRiSSThP+2EuHNF/9iKD3:ZLQMkDpCGwMLchRiSSTcuHX/

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Lockscreen.exe

Files

Lockscreen.exe
.exe windows:6 windows x64 arch:x64

58d3a097d27aa805d7eefeb183b68237

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

PDB Paths

C:\Users\Administrator\Desktop\LockscreenC++\x64\Release\LockscreenC++.pdb

Imports

user32

MessageBoxW

advapi32

RegCloseKey
CheckTokenMembership
FreeSid
AllocateAndInitializeSid
RegCreateKeyExW
RegSetValueExW

msvcp140

?good@ios_base@std@@QEBA_NXZ
?uncaught_exception@std@@YA_NXZ
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?_Syserror_map@std@@YAPEBDH@Z
?_Xlength_error@std@@YAXPEBD@Z
?_Winerror_map@std@@YAHH@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z

vcruntime140_1

__CxxFrameHandler4

vcruntime140

memmove
memset
__current_exception_context
__current_exception
_CxxThrowException
__C_specific_handler
__std_terminate
__std_exception_copy
__std_exception_destroy
memcpy

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

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

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

_set_new_mode
malloc
free
_callnewh

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

__setusermatherr

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

_set_fmode
__p__commode

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

_configthreadlocale

kernel32

LocalFree
FormatMessageA
GetModuleHandleW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
IsDebuggerPresent
GetLocaleInfoEx

Sections

.text
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 1KB - Virtual size: 1KB

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: 204B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

58d3a097d27aa805d7eefeb183b68237

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

user32

advapi32

msvcp140

vcruntime140_1

vcruntime140

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

api-ms-win-crt-heap-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

kernel32

Sections

.text Size: 12KB - Virtual size: 11KB

.rdata Size: 11KB - Virtual size: 11KB

.data Size: 1024B - Virtual size: 2KB

.pdata Size: 1KB - Virtual size: 1KB

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

.reloc Size: 512B - Virtual size: 204B

.text
Size: 12KB - Virtual size: 11KB

.rdata
Size: 11KB - Virtual size: 11KB

.data
Size: 1024B - Virtual size: 2KB

.pdata
Size: 1KB - Virtual size: 1KB

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

.reloc
Size: 512B - Virtual size: 204B