tcagnet[.]exe | Triage

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General

Target

tcagnet.exe
Size

987KB
MD5

c34c20928de3b291745b4a17c3626db2
SHA1

754ffe0dea86ecbc4ff11dcaa46179735f364449
SHA256

5443b68a36dc18ef1e69d942f878538ec04a158309013476ff3a33cc287426c2
SHA512

8da30b356ec6f06479f9e0069821e7227ad46d53801ce81fca2b81ce4e879bed2b7d02b426b734277fc58b26a979b42423720f312e7a66274c66c6902f51c143
SSDEEP

24576:ieqzbW7Yjy76LDf3i2gAG9w+bre4OvBlh:tqzbWs+6LTBK

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
tcagnet.exe

Files

tcagnet.exe
.exe windows:4 windows x64 arch:x64

063d5a5f689e72ab33b431fccfb7ba6a

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Imports

advapi32

RevertToSelf

bcrypt

BCryptCloseAlgorithmProvider
BCryptGenRandom
BCryptOpenAlgorithmProvider

kernel32

AddVectoredExceptionHandler
CloseHandle
CreateEventA
CreateEventW
CreateFileA
CreateFileMappingA
CreateProcessA
CreateSemaphoreA
CreateThread
DeleteCriticalSection
DuplicateHandle
EnterCriticalSection
ExitThread
FreeConsole
FreeLibrary
GetCommandLineA
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetHandleInformation
GetLastError
GetModuleFileNameA
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleW
GetProcAddress
GetProcessAffinityMask
GetProcessHeap
GetStartupInfoA
GetSystemTimeAsFileTime
GetThreadContext
GetThreadPriority
GetTickCount64
HeapAlloc
HeapFree
InitializeCriticalSection
IsDBCSLeadByteEx
IsDebuggerPresent
K32EnumProcessModules
K32GetModuleFileNameExA
LeaveCriticalSection
LoadLibraryA
LoadLibraryW
MapViewOfFile
MultiByteToWideChar
OpenProcess
OutputDebugStringA
QueueUserAPC
RaiseException
ReadProcessMemory
ReleaseSemaphore
RemoveVectoredExceptionHandler
ResetEvent
ResumeThread
RtlCaptureContext
RtlLookupFunctionEntry
RtlUnwindEx
RtlVirtualUnwind
SetEvent
SetLastError
SetProcessAffinityMask
SetThreadContext
SetThreadPriority
SetThreadToken
SetUnhandledExceptionFilter
Sleep
SuspendThread
TerminateThread
TlsAlloc
TlsGetValue
TlsSetValue
TryEnterCriticalSection
UnmapViewOfFile
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WideCharToMultiByte
__C_specific_handler

msvcrt

___lc_codepage_func
___mb_cur_max_func
__initenv
__iob_func
__getmainargs
__lconv_init
__set_app_type
_acmdln
__setusermatherr
_amsg_exit
_beginthreadex
_cexit
_commode
_filelengthi64
_fileno
_fmode
_endthreadex
_errno
_fstat64
memchr
memcmp
memcpy
memmove
memset
_initterm
_lock
_lseeki64
_onexit
_setjmp
_stricmp
_strnicmp
_ultoa
_unlock
_wfopen
abort
calloc
exit
fclose
fflush
fgetpos
fopen
fprintf
fputc
fputs
fread
free
fsetpos
fwrite
getc
getwc
isspace
iswctype
localeconv
malloc
putc
putwc
realloc
setlocale
setvbuf
signal
strcmp
strcoll
strcpy
strerror
strftime
strlen
strncmp
strncpy
strxfrm
towlower
towupper
ungetc
ungetwc
vfprintf
wcscoll
wcsftime
wcslen
wcsxfrm
longjmp
_write
_strnicmp
_strdup
_read
_fileno
_fdopen
_close

ntdll

NtProtectVirtualMemory
NtWriteVirtualMemory

shell32

CommandLineToArgvW

shlwapi

PathRemoveFileSpecA
StrStrIA

Sections

.text
Size: 780KB - Virtual size: 780KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 66KB - Virtual size: 66KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 47KB - Virtual size: 46KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 64KB - Virtual size: 64KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 3KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 112B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

063d5a5f689e72ab33b431fccfb7ba6a

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

bcrypt

kernel32

msvcrt

ntdll

shell32

shlwapi

Sections

.text Size: 780KB - Virtual size: 780KB

.data Size: 12KB - Virtual size: 12KB

.rdata Size: 66KB - Virtual size: 66KB

.pdata Size: 47KB - Virtual size: 46KB

.xdata Size: 64KB - Virtual size: 64KB

.bss Size: - Virtual size: 3KB

.idata Size: 6KB - Virtual size: 6KB

.CRT Size: 512B - Virtual size: 112B

.tls Size: 512B - Virtual size: 16B

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

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

.text
Size: 780KB - Virtual size: 780KB

.data
Size: 12KB - Virtual size: 12KB

.rdata
Size: 66KB - Virtual size: 66KB

.pdata
Size: 47KB - Virtual size: 46KB

.xdata
Size: 64KB - Virtual size: 64KB

.bss
Size: - Virtual size: 3KB

.idata
Size: 6KB - Virtual size: 6KB

.CRT
Size: 512B - Virtual size: 112B

.tls
Size: 512B - Virtual size: 16B

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

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