ReverseEngineeringChallenge[.]exe

Resubmissions

02/10/2024, 22:05

241002-1zpz5sshmf 3

02/10/2024, 21:51

241002-1qjrrsseja 3

Sharing

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General

Target

ReverseEngineeringChallenge.exe
Size

19KB
MD5

87c7208b722affc0fddfa52de72bedec
SHA1

d62aa176c999de7a392ae45d142e9d37358f3b1f
SHA256

36873384a54c95c645ca3ee780072cc8807353854d75511aed7ed962419fe004
SHA512

9e77aabc553c9b0c92eb0bb4fcaa8eced51ba384f0b11919d513e9dc63bb71d21e54bc29450ff6185c589f63167056307c77b493938063a484eb170978516f2f
SSDEEP

192:sm1TzFS1ycGVG8nk6UAurseextexaeo5erUcQNv3OCjJAMwzS73GiwNEasaMOIqt:5TOGV/nJustPeoiUcQNmVDP3UrTaRL

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
ReverseEngineeringChallenge.exe

Files

ReverseEngineeringChallenge.exe
.exe windows:6 windows x64 arch:x64

d0c7fa4cb11d2be4bb950264d0ffd8b8

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\Steve\source\repos\ReverseEngineeringChallenge\x64\Release\ReverseEngineeringChallenge.pdb

Imports

msvcp140

?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?get@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAHXZ
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?good@ios_base@std@@QEBA_NXZ
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
??Bid@locale@std@@QEAA_KXZ
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?id@?$ctype@D@std@@2V0locale@2@A
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?uncaught_exception@std@@YA_NXZ
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__current_exception_context
memcpy
__current_exception
memset
__C_specific_handler
__std_terminate
__std_exception_copy
__std_exception_destroy
_CxxThrowException

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

rand

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

strcpy_s

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

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

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
free
_callnewh
malloc

kernel32

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

Sections

.text
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 8KB - Virtual size: 7KB

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: 1024B - Virtual size: 696B

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: 100B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

d0c7fa4cb11d2be4bb950264d0ffd8b8

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcp140

vcruntime140_1

vcruntime140

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

api-ms-win-crt-string-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

kernel32

Sections

.text Size: 7KB - Virtual size: 7KB

.rdata Size: 8KB - Virtual size: 7KB

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

.pdata Size: 1024B - Virtual size: 696B

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

.reloc Size: 512B - Virtual size: 100B

.text
Size: 7KB - Virtual size: 7KB

.rdata
Size: 8KB - Virtual size: 7KB

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

.pdata
Size: 1024B - Virtual size: 696B

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

.reloc
Size: 512B - Virtual size: 100B