j_t[.]exe | Triage™

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General

Target
j_t.exe
Size 8.3MB
Sample260910-rlqvvayvas
SHA256 82c30de9cf9166515a9f6b1449cc006a4d64ed66f78a8b1d4313750d37237f9f
MD5 d28363293cf2458b4a2fbfa83a49f051
SHA1 2aae9fee6b5be9938f0670a3876d4abef23671e9
SHA512 9d6c5ca7bf78debe2522339d10bb2402b0112ab5bbf76594575f389eacfba5976ea48d58c95216dffe38b4cd5117ee709e8292b7c64be8b3af082580cf32d4a6
SSDEEP 196608:Ywmj78PJ9/cQbAZAjDXcOInmv4pRf5bb8:YwGY9lUAjNImv4pRxbb8
TLSH
T14596F836448C82879A54157C31C95BC97061F16E879D27CB7038C62CA2839FADF9FADE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
j_t.exe

File Explorer

j_t.exe

.exe 8.3MB

j_t.exe

IMPHASH 2afb755fc0d71363e027e87ff7299c94
SHA256 82c30de9cf9166515a9f6b1449cc006a4d64ed66f78a8b1d4313750d37237f9f
MD5 d28363293cf2458b4a2fbfa83a49f051
SHA1 2aae9fee6b5be9938f0670a3876d4abef23671e9
SHA512 9d6c5ca7bf78debe2522339d10bb2402b0112ab5bbf76594575f389eacfba5976ea48d58c95216dffe38b4cd5117ee709e8292b7c64be8b3af082580cf32d4a6
SSDEEP 196608:Ywmj78PJ9/cQbAZAjDXcOInmv4pRf5bb8:YwGY9lUAjNImv4pRxbb8
TLSH
T14596F836448C82879A54157C31C95BC97061F16E879D27CB7038C62CA2839FADF9FADE
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

8598464

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

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

kernel32

AcquireSRWLockExclusive CloseHandle CreateDirectoryW CreateEventW CreateFileMappingW CreateFileW CreateProcessW CreateThread CreateToolhelp32Snapshot DeleteCriticalSection DeleteFileW EnterCriticalSection FileTimeToSystemTime FindClose FindFirstFileW FindNextFileW FlushFileBuffers GetCommandLineW GetComputerNameW GetCurrentDirectoryW GetCurrentProcess GetCurrentProcessId GetCurrentThreadId GetDiskFreeSpaceExW GetDriveTypeW GetEnvironmentVariableW GetFileAttributesW GetFileInformationByHandle GetFileSize GetFileSizeEx GetLastError GetLocalTime GetLogicalDrives GetModuleFileNameW GetModuleHandleA GetModuleHandleW GetProcAddress GetProcessHeap GetProcessTimes GetStartupInfoW GetSystemDirectoryW GetSystemTimeAsFileTime GetTempFileNameW GetTempPathW GetTickCount GetVersionExW HeapAlloc HeapFree InitializeCriticalSection InitializeSListHead K32GetModuleFileNameExW K32GetModuleInformation LeaveCriticalSection LocalAlloc LocalFileTimeToFileTime LocalFree MapViewOfFile MultiByteToWideChar OpenProcess Process32FirstW Process32NextW ProcessIdToSessionId QueryPerformanceCounter QueryPerformanceFrequency ReadFile ReleaseSRWLockExclusive SetCurrentDirectoryW SetFilePointer SetFileTime SetUnhandledExceptionFilter Sleep SleepConditionVariableSRW SystemTimeToFileTime TerminateProcess UnmapViewOfFile VirtualAllocEx VirtualFreeEx WaitForSingleObject WakeAllConditionVariable WideCharToMultiByte WriteFile

shell32

SHCreateDirectoryExW

advapi32

AdjustTokenPrivileges CreateProcessAsUserW CryptAcquireContextW CryptGenRandom CryptReleaseContext DuplicateTokenEx GetTokenInformation InitializeSecurityDescriptor LookupAccountSidW LookupPrivilegeValueW OpenProcessToken SetSecurityDescriptorDacl SetTokenInformation

user32

GetDesktopWindow

wtsapi32

WTSEnumerateSessionsW WTSFreeMemory WTSQueryUserToken

shlwapi

PathFindOnPathW PathRemoveArgsW PathUnquoteSpacesW StrTrimW

ws2_32

WSAGetLastError WSAStartup __WSAFDIsSet closesocket connect htons inet_addr inet_ntoa ioctlsocket recv select send setsockopt shutdown socket

userenv

CreateEnvironmentBlock DestroyEnvironmentBlock

dnsapi

DnsFree DnsQuery_W

vcruntime140

_CxxThrowException __C_specific_handler __CxxFrameHandler3 __current_exception __current_exception_context __std_exception_copy __std_exception_destroy __std_terminate memcmp memcpy memmove memset wcschr wcsrchr wcsstr

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

__p___argc __p___wargv _c_exit _cexit _configure_wide_argv _crt_atexit _exit _get_wide_winmain_command_line _initialize_onexit_table _initialize_wide_environment _initterm _initterm_e _register_onexit_function _register_thread_local_exe_atexit_callback _seh_filter_exe _set_app_type exit terminate

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

__p__wenviron

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

__p__commode __stdio_common_vsprintf __stdio_common_vswprintf __stdio_common_vswprintf_s _set_fmode fclose

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

_gmtime64 _time64

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

_wcsicmp strcmp strcpy strlen strncmp strncpy tolower wcscat wcscmp wcscpy wcslen wcsncpy

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

_wmakepath _wsplitpath

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

_wtoi wcstoul

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

_callnewh _set_new_mode calloc free malloc realloc

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

rand srand

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

__setusermatherr log pow

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

_configthreadlocale

Name

.text

Size

8.2MB

Virtual Size

8.2MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

58KB

Virtual Size

57KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

512B

Virtual Size

29KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

11KB

Virtual Size

11KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.tls

Size

8KB

Virtual Size

8KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

512B

Virtual Size

424B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

j_t.exe

kernel32

shell32

advapi32

user32

wtsapi32

shlwapi

ws2_32

userenv

dnsapi

vcruntime140

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

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

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

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

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

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

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

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

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

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

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

generic