tentco[.]exe | Triage

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General

Target

tentco.exe
Size

387KB
MD5

ce005be342524ee7f4b03b2c5f5f9163
SHA1

19b4a45a4fab6d4438674e23ef1ede7625d87808
SHA256

26e0e31234722b2a8d99a49c674f124d07df03f2cb02039b10a6b8a9cbbc649c
SHA512

4ed989339042f8fb8a1edb0dd95bde936820697e215832dd90fbb8724490592325aeed1da7bf3204717730e7962647fd9d63791494ba4cd0efe6d998457d19d2
SSDEEP

12288:1bxAjt3fNH+iBxCL9yjZ7CLzDItD20kx/d3mqWac:n6VZWsZk8ta0k1d2L

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
sample	upx

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
tentco.exe

Files

tentco.exe
.exe windows:6 windows x86

0cee769f47e75ebda574772ed31a931b

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

advapi32

RegEnumKeyExA
RegQueryValueExW
RegCloseKey
GetCurrentHwProfileA
RegQueryValueExA
OpenProcessToken
RegQueryInfoKeyA
RegOpenKeyExA
RegOpenKeyExW
GetUserNameW
GetTokenInformation

iphlpapi

GetAdaptersInfo

kernel32

ReadConsoleW
SetFilePointerEx
GetFileSizeEx
GetConsoleMode
GetConsoleOutputCP
ExpandEnvironmentStringsA
InitializeCriticalSectionEx
MultiByteToWideChar
Sleep
GetLastError
TerminateThread
CreateThread
DecodePointer
DeleteCriticalSection
ExitProcess
WinExec
GetTickCount
ReadFile
GetModuleFileNameA
FindFirstFileW
Process32First
GetPhysicallyInstalledSystemMemory
FindNextFileW
GetCurrentProcess
CreatePipe
FindClose
CreateMutexA
GetVolumeInformationA
WaitForSingleObject
CreateFileW
GetLocaleInfoA
FindFirstFileExW
GetTimeZoneInformation
Process32NextW
GetBinaryTypeA
Process32Next
Process32FirstW
CloseHandle
GetSystemInfo
LoadLibraryW
GetComputerNameW
GetCurrentProcessId
GlobalMemoryStatusEx
CreateProcessW
WideCharToMultiByte
DebugBreak
IsDebuggerPresent
SetLastError
QueryPerformanceCounter
QueryPerformanceFrequency
LoadLibraryExW
FlushFileBuffers
HeapSize
HeapReAlloc
MoveFileExW
IsValidCodePage
GetACP
GetOEMCP
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
GetProcessHeap
SetStdHandle
WriteConsoleW
GetModuleHandleExW
OutputDebugStringW
GetModuleFileNameW
EnumSystemLocalesW
GetUserDefaultLCID
FreeLibrary
TlsFree
TlsSetValue
IsValidLocale
GetStdHandle
CreateToolhelp32Snapshot
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
GetFileType
GetFileAttributesExW
GetExitCodeProcess
HeapFree
HeapAlloc
TlsGetValue
RaiseException
EnterCriticalSection
LeaveCriticalSection
LocalFree
GetStringTypeW
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
GetCurrentThreadId
EncodePointer
GetLocaleInfoEx
LCMapStringEx
WakeAllConditionVariable
SleepConditionVariableSRW
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
CompareStringEx
GetCPInfo
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
InitializeSListHead
GetStartupInfoW
RtlUnwind
InterlockedPushEntrySList
InitializeCriticalSectionAndSpinCount
TlsAlloc
WriteFile
LoadLibraryA
GetProcAddress
GetModuleHandleA

oleaut32

VariantClear
SysAllocString
SysFreeString

powrprof

GetPwrCapabilities

shell32

ShellExecuteA

user32

MessageBoxA
MessageBoxW
GetLastInputInfo

wininet

InternetCloseHandle
InternetOpenA
InternetReadFile
InternetOpenUrlA

ws2_32

WSACleanup
closesocket
WSAStartup
gethostbyname
send
htons
socket
connect
inet_addr

mscoree

CLRCreateInstance

ole32

CoSetProxyBlanket
CoCreateInstance
CoUninitialize
CoInitializeEx
CoInitializeSecurity

pdh

PdhCollectQueryData
PdhGetFormattedCounterValue
PdhAddCounterW
PdhCloseQuery
PdhOpenQueryW

urlmon

URLDownloadToFileA

Sections

.text
Size: 212KB - Virtual size: 459KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 57KB - Virtual size: 135KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.data
Size: 2KB - Virtual size: 22KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 18KB - Virtual size: 28KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.UPX0
Size: 12KB - Virtual size: 5.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.UPX1
Size: 84KB - Virtual size: 90KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

0cee769f47e75ebda574772ed31a931b

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

iphlpapi

kernel32

oleaut32

powrprof

shell32

user32

wininet

ws2_32

mscoree

ole32

pdh

urlmon

Sections

.text Size: 212KB - Virtual size: 459KB

.rdata Size: 57KB - Virtual size: 135KB

.data Size: 2KB - Virtual size: 22KB

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

.reloc Size: 18KB - Virtual size: 28KB

.UPX0 Size: 12KB - Virtual size: 5.0MB

.UPX1 Size: 84KB - Virtual size: 90KB

.text
Size: 212KB - Virtual size: 459KB

.rdata
Size: 57KB - Virtual size: 135KB

.data
Size: 2KB - Virtual size: 22KB

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

.reloc
Size: 18KB - Virtual size: 28KB

.UPX0
Size: 12KB - Virtual size: 5.0MB

.UPX1
Size: 84KB - Virtual size: 90KB