Rebecca[.]exe | Triage

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General

Target

Rebecca.exe
Size

499KB
MD5

20ace44baeb42007c7a84f6ab33f33a9
SHA1

cb89642f25880a3fcd0e95fa042b4e27097fafff
SHA256

0b87b68969ab6e2b6db592fde31f8cda0d2e5d233122452d9dc39df90f0a3567
SHA512

f540eb1f32dd3d2fd7d6f535648a41042d65348fd69403771f59a0b0da36c08fdfbcbb588f071300c0cd3ecf676ab4046f2b119b944c687b6abc28dd18df89fb
SSDEEP

6144:F4dbr5OAwqfduTqhJhQ5Db086nEe6JYuyKBMJr5vtsNVny5ThT9e3CgTAE7x0jPs:axr8fq6XDC5kMnaVngRkrjxwMl

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Rebecca.exe

Files

Rebecca.exe
.exe windows:6 windows x64 arch:x64

50eac3c4bc67d7894c9a38567f5819c6

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\temer\source\repos\Rebecca_imgui\x64\Release\Rebecca_imgui.pdb

Imports

d3d11

D3D11CreateDeviceAndSwapChain

libcurl

curl_easy_setopt
curl_easy_perform
curl_easy_init
curl_easy_strerror
curl_easy_cleanup

opencv_core4

??0Mat@cv@@QEAA@HHHAEBV?$Scalar_@N@1@@Z
?noArray@cv@@YAAEBV_InputOutputArray@1@XZ
?countNonZero@cv@@YAHAEBV_InputArray@1@@Z
?setTo@Mat@cv@@QEAAAEAV12@AEBV_InputArray@2@0@Z
??4Mat@cv@@QEAAAEAV01@$$QEAV01@@Z
??1Mat@cv@@QEAA@XZ
??0Mat@cv@@QEAA@XZ
??Scv@@YA?AVMatExpr@0@AEBVMat@0@@Z
??0_InputArray@cv@@QEAA@AEBVMatExpr@1@@Z
?minMaxLoc@cv@@YAXAEBV_InputArray@1@PEAN1PEAV?$Point_@H@1@20@Z
??8cv@@YA?AVMatExpr@0@AEBVMat@0@N@Z
??0Mat@cv@@QEAA@HHH@Z

opencv_imgproc4

?matchTemplate@cv@@YAXAEBV_InputArray@1@0AEBV_OutputArray@1@H0@Z
?cvtColor@cv@@YAXAEBV_InputArray@1@AEBV_OutputArray@1@HH@Z
?arcLength@cv@@YANAEBV_InputArray@1@_N@Z
?threshold@cv@@YANAEBV_InputArray@1@AEBV_OutputArray@1@NNH@Z
?GaussianBlur@cv@@YAXAEBV_InputArray@1@AEBV_OutputArray@1@V?$Size_@H@1@NNH@Z
?Canny@cv@@YAXAEBV_InputArray@1@AEBV_OutputArray@1@NNH_N@Z
?circle@cv@@YAXAEBV_InputOutputArray@1@V?$Point_@H@1@HAEBV?$Scalar_@N@1@HHH@Z
?findContours@cv@@YAXAEBV_InputArray@1@AEBV_OutputArray@1@HHV?$Point_@H@1@@Z
?rectangle@cv@@YAXAEBV_InputOutputArray@1@V?$Rect_@H@1@AEBV?$Scalar_@N@1@HHH@Z
?approxPolyDP@cv@@YAXAEBV_InputArray@1@AEBV_OutputArray@1@N_N@Z

opencv_imgcodecs4

?imread@cv@@YA?AVMat@1@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@H@Z
?imdecode@cv@@YA?AVMat@1@AEBV_InputArray@1@H@Z
?imwrite@cv@@YA_NAEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AEBV_InputArray@1@AEBV?$vector@HV?$allocator@H@std@@@3@@Z

libcrypto-3-x64

BIO_push
BIO_f_base64
EVP_DecryptFinal_ex
EVP_MD_CTX_new
BIO_read
BIO_set_flags
EVP_sha256
EVP_DigestUpdate
EVP_DecryptInit_ex
EVP_DecryptUpdate
BIO_free_all
EVP_aes_128_cbc
EVP_MD_CTX_free
EVP_DigestInit_ex
BIO_new
BIO_new_mem_buf
EVP_CIPHER_CTX_new
EVP_CIPHER_CTX_reset
EVP_DigestFinal_ex
EVP_CIPHER_CTX_free

kernel32

InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
GetStartupInfoW
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
SleepConditionVariableSRW
WakeAllConditionVariable
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
Sleep
IsDebuggerPresent
GetModuleHandleW
CloseHandle
CreateFileA
GetLastError
CreateMutexW
GetModuleFileNameW
DeviceIoControl
GlobalUnlock
WideCharToMultiByte
GlobalLock
GlobalFree
GlobalAlloc
QueryPerformanceCounter
FreeLibrary
GetProcAddress
QueryPerformanceFrequency
LoadLibraryA
MultiByteToWideChar
GetLocaleInfoA

user32

SetCursorPos
ReleaseDC
ReleaseCapture
IsWindowUnicode
DefWindowProcW
DestroyWindow
keybd_event
CreateWindowExW
UnregisterClassW
RegisterClassExW
ShowWindow
GetAsyncKeyState
DispatchMessageW
PeekMessageW
SetLayeredWindowAttributes
TranslateMessage
EnumDisplayDevicesW
mouse_event
PostQuitMessage
EnumDisplaySettingsW
UpdateWindow
OpenClipboard
CloseClipboard
EmptyClipboard
GetClipboardData
SetClipboardData
GetKeyState
GetMessageExtraInfo
GetDC
ScreenToClient
GetCapture
ClientToScreen
TrackMouseEvent
GetKeyboardLayout
GetForegroundWindow
LoadCursorW
SetCapture
SetCursor
GetClientRect
GetCursorPos

gdi32

GetBitmapBits
CreateCompatibleDC
DeleteDC
DeleteObject
SelectObject
BitBlt
CreateCompatibleBitmap

shell32

ShellExecuteA

d3dcompiler_47

D3DCompile

imm32

ImmReleaseContext
ImmGetContext
ImmSetCompositionWindow
ImmSetCandidateWindow

msvcp140

??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAPEAV12@PEAD_J@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAXAEBVlocale@2@@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@_N@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@_J@Z
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?read@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEAD_J@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAPEAD0PEAH001@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
_Thrd_join
_Query_perf_counter
_Thrd_id
_Cnd_do_broadcast_at_thread_exit
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?good@ios_base@std@@QEBA_NXZ
??7ios_base@std@@QEBA_NXZ
??Bios_base@std@@QEBA_NXZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
?_Xlength_error@std@@YAXPEBD@Z
?setw@std@@YA?AU?$_Smanip@_J@1@_J@Z
??Bid@locale@std@@QEAA_KXZ
?_Fiopen@std@@YAPEAU_iobuf@@PEB_WHH@Z
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Xout_of_range@std@@YAXPEBD@Z
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
_Query_perf_frequency
??1_Lockit@std@@QEAA@XZ
??0_Lockit@std@@QEAA@H@Z
?_Throw_Cpp_error@std@@YAXH@Z
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?uncaught_exception@std@@YA_NXZ
?_Xinvalid_argument@std@@YAXPEBD@Z

vcruntime140_1

__CxxFrameHandler4

vcruntime140

memcpy
memmove
__std_terminate
memcmp
memchr
strstr
__std_exception_destroy
__std_exception_copy
__C_specific_handler
__current_exception
__current_exception_context
_CxxThrowException
memset

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

fread
__stdio_common_vsscanf
__stdio_common_vsprintf
fsetpos
setvbuf
_wfopen
fwrite
fgetpos
fputc
_get_stream_buffer_pointers
__stdio_common_vfprintf
fseek
fclose
fflush
_fseeki64
fgetc
__stdio_common_vsnprintf_s
__acrt_iob_func
ftell
_set_fmode
__p__commode
ungetc

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

qsort

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

strncmp
strncpy
strcmp

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

free
_callnewh
malloc
_set_new_mode

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

strtod
strtol
atof

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

_configure_narrow_argv
_register_thread_local_exe_atexit_callback
_c_exit
_errno
_exit
_initterm_e
_initterm
_get_narrow_winmain_command_line
_set_app_type
_seh_filter_exe
_cexit
terminate
_crt_atexit
_beginthreadex
_invalid_parameter_noinfo_noreturn
_register_onexit_function
_initialize_onexit_table
exit
_initialize_narrow_environment

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

acosf
ceilf
cosf
fmodf
modf
sinf
sqrtf
_finite
__setusermatherr

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

_localtime64_s
strftime
_time64

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

_lock_file
_unlock_file

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

localeconv
_configthreadlocale

Sections

.text
Size: 335KB - Virtual size: 335KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 73KB - Virtual size: 72KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 13KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 73KB - Virtual size: 73KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 652B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

50eac3c4bc67d7894c9a38567f5819c6

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

d3d11

libcurl

opencv_core4

opencv_imgproc4

opencv_imgcodecs4

libcrypto-3-x64

kernel32

user32

gdi32

shell32

d3dcompiler_47

imm32

msvcp140

vcruntime140_1

vcruntime140

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

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

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

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

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

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

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

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

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

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

Sections

.text Size: 335KB - Virtual size: 335KB

.rdata Size: 73KB - Virtual size: 72KB

.data Size: 1KB - Virtual size: 5KB

.pdata Size: 13KB - Virtual size: 13KB

.rsrc Size: 73KB - Virtual size: 73KB

.reloc Size: 1024B - Virtual size: 652B

.text
Size: 335KB - Virtual size: 335KB

.rdata
Size: 73KB - Virtual size: 72KB

.data
Size: 1KB - Virtual size: 5KB

.pdata
Size: 13KB - Virtual size: 13KB

.rsrc
Size: 73KB - Virtual size: 73KB

.reloc
Size: 1024B - Virtual size: 652B