gorshochek[.]zip

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General

Target

gorshochek.zip
Size

448KB
MD5

06efbab49aa7202bf2523ec095a6e1ba
SHA1

481eb6d48b4029d9eea13769fee5e74641051efd
SHA256

49c16aebecdb9af4c51979e56842b819950af2a568351a95af4b8fa72f47f64b
SHA512

c91b622a8b50fd9f9a2ffb3bfb28625b3ca2439d4d21a31a8dc72841084a8b8ba73b50f0839647964a7523b2cf5966e63c19a2387f2b762bec442c945c23dbc1
SSDEEP

6144:Z8HdW20OW7tFMcxB9TH9d/gDtorIKtFVYcywbvtnpoTbmM7yoxOcUGLaGy0/Xy0c:W9fc74cxB9Jd/gfKlY+RAjrBLaY/3Kl

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/gorshochek/gorshochek.exe

Files

gorshochek.zip
.zip
gorshochek/gorshochek.exe
.exe windows:6 windows x64 arch:x64

91c1c6f64a643a368ffc0cf4ab277334

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

D:\awengar\ctf\tin2024\Banking1\Bank1\x64\Release\Bank1.pdb

Imports

kernel32

QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
Sleep

vcruntime140

__current_exception_context
memset
__FrameUnwindFilter
memmove
__C_specific_handler
__current_exception
__std_type_info_destroy_list
_CxxThrowException
__std_exception_destroy
__std_exception_copy
memcpy

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

__stdio_common_vfprintf
fopen
fgets
fclose
_set_fmode
__acrt_iob_func
__stdio_common_vsprintf
__p__commode

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

abort
_register_onexit_function
terminate
_execute_onexit_table
_set_app_type
_seh_filter_exe
_seh_filter_dll
_initialize_onexit_table
_crt_atexit
_register_thread_local_exe_atexit_callback
_c_exit
_cexit
_crt_at_quick_exit
_exit
exit
_initterm_e
_initterm
_get_narrow_winmain_command_line
_configure_narrow_argv
_invalid_parameter_noinfo_noreturn
_initialize_narrow_environment

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

__setusermatherr

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

_configthreadlocale

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

_set_new_mode
_callnewh
malloc
free

msvcp140

?_Xlength_error@std@@YAXPEBD@Z
?__ExceptionPtrCopy@@YAXPEAXPEBX@Z
?__ExceptionPtrDestroy@@YAXPEAX@Z

ws2_32

socket
WSACleanup
closesocket
send
recv
connect
htons
inet_addr
gethostbyname
WSAStartup

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

isalnum

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

strtof

mscoree

_CorExeMain

Sections

.text
Size: 28KB - Virtual size: 28KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.nep
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 567KB - Virtual size: 566KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 1024B - Virtual size: 648B

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: 152B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
gorshochek/server.txt

Sharing

General

Malware Config

Signatures

Files

91c1c6f64a643a368ffc0cf4ab277334

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

vcruntime140

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

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

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

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

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

msvcp140

ws2_32

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

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

mscoree

Sections

.text Size: 28KB - Virtual size: 28KB

.nep Size: 4KB - Virtual size: 4KB

.rdata Size: 567KB - Virtual size: 566KB

.data Size: 5KB - Virtual size: 6KB

.pdata Size: 1024B - Virtual size: 648B

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

.reloc Size: 512B - Virtual size: 152B

.text
Size: 28KB - Virtual size: 28KB

.nep
Size: 4KB - Virtual size: 4KB

.rdata
Size: 567KB - Virtual size: 566KB

.data
Size: 5KB - Virtual size: 6KB

.pdata
Size: 1024B - Virtual size: 648B

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

.reloc
Size: 512B - Virtual size: 152B