General
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Target
tentco.exe
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Size
387KB
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MD5
ce005be342524ee7f4b03b2c5f5f9163
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SHA1
19b4a45a4fab6d4438674e23ef1ede7625d87808
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SHA256
26e0e31234722b2a8d99a49c674f124d07df03f2cb02039b10a6b8a9cbbc649c
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SHA512
4ed989339042f8fb8a1edb0dd95bde936820697e215832dd90fbb8724490592325aeed1da7bf3204717730e7962647fd9d63791494ba4cd0efe6d998457d19d2
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SSDEEP
12288:1bxAjt3fNH+iBxCL9yjZ7CLzDItD20kx/d3mqWac:n6VZWsZk8ta0k1d2L
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource tentco.exe
Files
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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