tc[.]exe | Triage

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General

Target

tc.exe
Size

13.0MB
MD5

c2fd9c4854c6f5935eae256c78d13003
SHA1

3f4aa27104f9342ee5e4ba40c085a76af8d64c5d
SHA256

20e7989f0ce30112e0c9c739886858262828a81d1d03b402fede0aa2d24cc20e
SHA512

d2fb55a2fc16fe7f1c21d6c861f823a4a550eac1fd1dc7d5d54d159dc557f5ace0698f2044d7a63c36f2f43948bde9bdd3e7e8f8b6fd8ea4df117722e5393e36
SSDEEP

196608:njy7Qw+WggWirRQZNMTm+U1wJdhodW7PX:nW7YWggWiI+U1Kb7

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
tc.exe

Files

tc.exe
.exe windows:4 windows x86 arch:x86

aa406169a91c6bd73602010064bb39b3

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

advapi32

AdjustTokenPrivileges
LookupPrivilegeValueA
OpenProcessToken
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
SystemFunction036

kernel32

AcquireSRWLockExclusive
AcquireSRWLockShared
AddVectoredExceptionHandler
CloseHandle
CreateFileMappingA
CreateFileW
CreateIoCompletionPort
CreateMutexA
CreateThread
CreateToolhelp32Snapshot
DuplicateHandle
ExitProcess
FillConsoleOutputAttribute
FillConsoleOutputCharacterA
FlsAlloc
FlsFree
FlsSetValue
FormatMessageW
FreeLibrary
GetCommandLineW
GetConsoleMode
GetConsoleScreenBufferInfo
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentProcessorNumber
GetCurrentThread
GetEnvironmentVariableA
GetEnvironmentVariableW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileType
GetFinalPathNameByHandleW
GetFullPathNameA
GetFullPathNameW
GetLargePageMinimum
GetLastError
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleW
GetNumaHighestNodeNumber
GetNumaNodeProcessorMask
GetNumberOfConsoleInputEvents
GetProcAddress
GetProcessTimes
GetQueuedCompletionStatusEx
GetStartupInfoA
GetStdHandle
GetSystemInfo
GetSystemTimeAsFileTime
InitOnceBeginInitialize
InitOnceComplete
LoadLibraryA
MapViewOfFile
Module32FirstW
Module32NextW
MultiByteToWideChar
PostQueuedCompletionStatus
QueryPerformanceCounter
QueryPerformanceFrequency
ReadConsoleInputW
ReleaseMutex
ReleaseSRWLockExclusive
ReleaseSRWLockShared
RtlCaptureContext
SetConsoleCursorInfo
SetConsoleCursorPosition
SetConsoleMode
SetConsoleTextAttribute
SetFileCompletionNotificationModes
SetHandleInformation
SetLastError
SetThreadStackGuarantee
SetUnhandledExceptionFilter
Sleep
SwitchToThread
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnmapViewOfFile
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WaitForSingleObjectEx
WriteConsoleA
WriteConsoleW
WriteFile
CreateSemaphoreW
DeleteCriticalSection
EnterCriticalSection
GetCurrentThreadId
GetTickCount
InitializeCriticalSection
LeaveCriticalSection
ReleaseSemaphore
TerminateProcess
UnhandledExceptionFilter

ntdll

NtCancelIoFileEx
NtCreateFile
NtDeviceIoControlFile
NtReadFile
NtWriteFile
RtlNtStatusToDosError
memchr
memcmp
memcpy
memmove
memset
pow
strlen
strstr
strtol
wcslen

user32

GetForegroundWindow
GetKeyboardLayout
GetWindowThreadProcessId
ToUnicodeEx

ws2_32

WSACleanup
WSAGetLastError
WSAIoctl
WSASend
WSASocketW
WSAStartup
accept
bind
closesocket
connect
freeaddrinfo
getaddrinfo
getpeername
getsockname
getsockopt
ioctlsocket
listen
recv
send
setsockopt
shutdown

bcrypt

BCryptGenRandom

msvcrt

__dllonexit
__getmainargs
__initenv
__lconv_init
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_cexit
_errno
_fmode
_fpreset
_initterm
_iob
_lock
_onexit
_unlock
calloc
exit
fprintf
fputs
free
fwrite
getenv
malloc
realloc
signal
strncmp
_vsnprintf
_wgetenv
abort
atexit
vfprintf

Sections

.text
Size: 6.0MB - Virtual size: 6.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 43KB - Virtual size: 43KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 1.2MB - Virtual size: 1.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

/4
Size: 337KB - Virtual size: 336KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 2KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 60B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 32B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

/14
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/29
Size: 374KB - Virtual size: 373KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/45
Size: 512B - Virtual size: 324B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/61
Size: 1.0MB - Virtual size: 1.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/73
Size: 19KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/87
Size: 343KB - Virtual size: 342KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/99
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/112
Size: 821KB - Virtual size: 821KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/123
Size: 594KB - Virtual size: 594KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/134
Size: 405KB - Virtual size: 405KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/147
Size: 315KB - Virtual size: 314KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

aa406169a91c6bd73602010064bb39b3

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

ntdll

user32

ws2_32

bcrypt

msvcrt

Sections

.text Size: 6.0MB - Virtual size: 6.0MB

.data Size: 43KB - Virtual size: 43KB

.rdata Size: 1.2MB - Virtual size: 1.2MB

/4 Size: 337KB - Virtual size: 336KB

.bss Size: - Virtual size: 2KB

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

.CRT Size: 512B - Virtual size: 60B

.tls Size: 512B - Virtual size: 32B

/14 Size: 2KB - Virtual size: 2KB

/29 Size: 374KB - Virtual size: 373KB

/45 Size: 512B - Virtual size: 324B

/61 Size: 1.0MB - Virtual size: 1.0MB

/73 Size: 19KB - Virtual size: 19KB

/87 Size: 343KB - Virtual size: 342KB

/99 Size: 2KB - Virtual size: 1KB

/112 Size: 821KB - Virtual size: 821KB

/123 Size: 594KB - Virtual size: 594KB

/134 Size: 405KB - Virtual size: 405KB

/147 Size: 315KB - Virtual size: 314KB

.text
Size: 6.0MB - Virtual size: 6.0MB

.data
Size: 43KB - Virtual size: 43KB

.rdata
Size: 1.2MB - Virtual size: 1.2MB

/4
Size: 337KB - Virtual size: 336KB

.bss
Size: - Virtual size: 2KB

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

.CRT
Size: 512B - Virtual size: 60B

.tls
Size: 512B - Virtual size: 32B

/14
Size: 2KB - Virtual size: 2KB

/29
Size: 374KB - Virtual size: 373KB

/45
Size: 512B - Virtual size: 324B

/61
Size: 1.0MB - Virtual size: 1.0MB

/73
Size: 19KB - Virtual size: 19KB

/87
Size: 343KB - Virtual size: 342KB

/99
Size: 2KB - Virtual size: 1KB

/112
Size: 821KB - Virtual size: 821KB

/123
Size: 594KB - Virtual size: 594KB

/134
Size: 405KB - Virtual size: 405KB

/147
Size: 315KB - Virtual size: 314KB