115721[.]rar | Triage

Sharing

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General

Target

115721.rar
Size

270KB
MD5

d1e21d9e697cbee6fef7720a0e73ebe7
SHA1

c4418b30f5a5242180836f07333b2c67c7144da2
SHA256

79d4145ca759f27190490c801fbe299308b577338ce08dcf9051a697d79b99dd
SHA512

70b82bf4f21dfcd4d29f41fc1c3b549998d3f60ed84f251084855990f2eae1d71b4d31cc9e94e449ed3b265afd9bb4b19ddff63867b59aeda037298ceb3a6186
SSDEEP

6144:k47Rfb9O5oV7jWhUshIkHi1B2BIP4G/mSLe/4r1EKGBNE5kIn8uxoaz1UPqA:kafA5YGhDi4o4GmipjGBO+IPWPqA

Score

3^/10

Malware Config

Signatures

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
unpack001/经分会数据.doc .exe
unpack001/经分会数据.xlsx .exe

Files

115721.rar
.rar

Password: virus
经分会数据.doc .exe
.exe windows:6 windows x64 arch:x64

Password: virus

41e1f314015de035a5b8be2ad65d644c

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

E:\AV-Bypass-Learning-master\rust-bypass-av\aes_cfb_shellcode_loader\aes_cfb_loader\target\debug\deps\aes_cfb_loader.pdb

Imports

kernel32

VirtualAlloc
GetLastError
GlobalMemoryStatusEx
GetSystemInfo
ReleaseSRWLockExclusive
CloseHandle
ReleaseMutex
ReleaseSRWLockShared
AddVectoredExceptionHandler
SetThreadStackGuarantee
Sleep
AcquireSRWLockExclusive
GetCurrentProcess
GetCurrentThread
RtlCaptureContext
GetProcAddress
RtlLookupFunctionEntry
SetLastError
GetCurrentDirectoryW
GetEnvironmentVariableW
GetStdHandle
GetCurrentProcessId
WaitForSingleObject
TryAcquireSRWLockExclusive
QueryPerformanceCounter
QueryPerformanceFrequency
HeapAlloc
GetProcessHeap
HeapFree
HeapReAlloc
AcquireSRWLockShared
WaitForSingleObjectEx
LoadLibraryA
CreateMutexA
GetModuleHandleA
GetConsoleMode
GetModuleHandleW
FormatMessageW
ExitProcess
MultiByteToWideChar
WriteConsoleW
TlsGetValue
TlsSetValue
GetSystemTimeAsFileTime
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
InitializeSListHead
GetCurrentThreadId
IsProcessorFeaturePresent

user32

MessageBoxW

ntdll

RtlNtStatusToDosError
NtWriteFile

vcruntime140

_CxxThrowException
memcmp
memcpy
__CxxFrameHandler3
memmove
__current_exception_context
__C_specific_handler
__current_exception
memset

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

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

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

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

free
_set_new_mode

Sections

.text
Size: 243KB - Virtual size: 242KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 63KB - Virtual size: 63KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 792B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 232KB - Virtual size: 232KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
经分会数据.xlsx .exe
.exe windows:6 windows x64 arch:x64

Password: virus

41e1f314015de035a5b8be2ad65d644c

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

E:\AV-Bypass-Learning-master\rust-bypass-av\aes_cfb_shellcode_loader\aes_cfb_loader\target\debug\deps\aes_cfb_loader.pdb

Imports

kernel32

VirtualAlloc
GetLastError
GlobalMemoryStatusEx
GetSystemInfo
ReleaseSRWLockExclusive
CloseHandle
ReleaseMutex
ReleaseSRWLockShared
AddVectoredExceptionHandler
SetThreadStackGuarantee
Sleep
AcquireSRWLockExclusive
GetCurrentProcess
GetCurrentThread
RtlCaptureContext
GetProcAddress
RtlLookupFunctionEntry
SetLastError
GetCurrentDirectoryW
GetEnvironmentVariableW
GetStdHandle
GetCurrentProcessId
WaitForSingleObject
TryAcquireSRWLockExclusive
QueryPerformanceCounter
QueryPerformanceFrequency
HeapAlloc
GetProcessHeap
HeapFree
HeapReAlloc
AcquireSRWLockShared
WaitForSingleObjectEx
LoadLibraryA
CreateMutexA
GetModuleHandleA
GetConsoleMode
GetModuleHandleW
FormatMessageW
ExitProcess
MultiByteToWideChar
WriteConsoleW
TlsGetValue
TlsSetValue
GetSystemTimeAsFileTime
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
InitializeSListHead
GetCurrentThreadId
IsProcessorFeaturePresent

user32

MessageBoxW

ntdll

RtlNtStatusToDosError
NtWriteFile

vcruntime140

_CxxThrowException
memcmp
memcpy
__CxxFrameHandler3
memmove
__current_exception_context
__C_specific_handler
__current_exception
memset

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

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

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

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

free
_set_new_mode

Sections

.text
Size: 243KB - Virtual size: 242KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 63KB - Virtual size: 63KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 792B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 121KB - Virtual size: 120KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Password: virus

Password: virus

41e1f314015de035a5b8be2ad65d644c

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

ntdll

vcruntime140

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

Sections

.text Size: 243KB - Virtual size: 242KB

.rdata Size: 63KB - Virtual size: 63KB

.data Size: 512B - Virtual size: 792B

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

.reloc Size: 2KB - Virtual size: 1KB

.rsrc Size: 232KB - Virtual size: 232KB

Password: virus

41e1f314015de035a5b8be2ad65d644c

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

ntdll

vcruntime140

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

Sections

.text Size: 243KB - Virtual size: 242KB

.rdata Size: 63KB - Virtual size: 63KB

.data Size: 512B - Virtual size: 792B

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

.reloc Size: 2KB - Virtual size: 1KB

.rsrc Size: 121KB - Virtual size: 120KB

.text
Size: 243KB - Virtual size: 242KB

.rdata
Size: 63KB - Virtual size: 63KB

.data
Size: 512B - Virtual size: 792B

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

.reloc
Size: 2KB - Virtual size: 1KB

.rsrc
Size: 232KB - Virtual size: 232KB

.text
Size: 243KB - Virtual size: 242KB

.rdata
Size: 63KB - Virtual size: 63KB

.data
Size: 512B - Virtual size: 792B

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

.reloc
Size: 2KB - Virtual size: 1KB

.rsrc
Size: 121KB - Virtual size: 120KB