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Windows
Analysis Report
fontdrvhost.exe
Overview
General Information
| Sample name: | fontdrvhost.exe |
| Analysis ID: | 1491788 |
| MD5: | ee70bd5cb31bb41dc6731979aa0fea6a |
| SHA1: | 520e94e047855242c4d2a80649bbd0f816af90e5 |
| SHA256: | f9e40584676d5e3f4320eccef070436d765cf4f668121b3bd14c9f50747fb2b4 |
 | |
Detection
| Score: | 1 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 80% |
Signatures
Binary contains a suspicious time stamp
Program does not show much activity (idle)
Classification
- System is w10x64
fontdrvhost.exe (PID: 7312 cmdline: "C:\Users\ user\Deskt op\fontdrv host.exe" MD5: EE70BD5CB31BB41DC6731979AA0FEA6A)
- cleanup
⊘No configs have been found
⊘No yara matches
⊘No Sigma rule has matched
⊘No Suricata rule has matched
Click to jump to signature section
Show All Signature Results
There are no malicious signatures, click here to show all signatures.
| Source: | Static PE information: | ||
| Source: | Static PE information: | ||
| Source: | Binary string: | ||
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| Source: | Classification label: | ||
| Source: | Static PE information: | ||
| Source: | Key opened: | Jump to behavior | ||
| Source: | Section loaded: | Jump to behavior | ||
| Source: | Static PE information: | ||
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| Source: | Static PE information: | ||
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| Source: | Static PE information: | ||
| Source: | Thread injection, dropped files, key value created, disk infection and DNS query: | ||
| Source: | Thread injection, dropped files, key value created, disk infection and DNS query: | ||
| Reconnaissance | Resource Development | Initial Access | Execution | Persistence | Privilege Escalation | Defense Evasion | Credential Access | Discovery | Lateral Movement | Collection | Command and Control | Exfiltration | Impact |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gather Victim Identity Information | Acquire Infrastructure | Valid Accounts | Windows Management Instrumentation | 1 DLL Side-Loading | 1 DLL Side-Loading | 1 Timestomp | OS Credential Dumping | 1 System Information Discovery | Remote Services | Data from Local System | Data Obfuscation | Exfiltration Over Other Network Medium | Abuse Accessibility Features |
| Credentials | Domains | Default Accounts | Scheduled Task/Job | Boot or Logon Initialization Scripts | Boot or Logon Initialization Scripts | 1 DLL Side-Loading | LSASS Memory | Application Window Discovery | Remote Desktop Protocol | Data from Removable Media | Junk Data | Exfiltration Over Bluetooth | Network Denial of Service |
Is Dropped
Is Windows Process
Number of created Registry Values
Number of created Files
Visual Basic
Delphi
Java
.Net C# or VB.NET
C, C++ or other language
Is malicious
InternetThis section contains all screenshots as thumbnails, including those not shown in the slideshow.
| Source | Detection | Scanner | Label | Link |
|---|---|---|---|---|
| 0% | ReversingLabs |
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
⊘No contacted domains info
⊘No contacted IP infos
| Joe Sandbox version: | 40.0.0 Tourmaline |
| Analysis ID: | 1491788 |
| Start date and time: | 2024-08-12 20:16:50 +02:00 |
| Joe Sandbox product: | CloudBasic |
| Overall analysis duration: | 0h 1m 33s |
| Hypervisor based Inspection enabled: | false |
| Report type: | full |
| Cookbook file name: | default.jbs |
| Analysis system description: | Windows 10 x64 22H2 with Office Professional Plus 2019, Chrome 117, Firefox 118, Adobe Reader DC 23, Java 8 Update 381, 7zip 23.01 |
| Number of analysed new started processes analysed: | 1 |
| Number of new started drivers analysed: | 0 |
| Number of existing processes analysed: | 0 |
| Number of existing drivers analysed: | 0 |
| Number of injected processes analysed: | 0 |
| Technologies: |
|
| Analysis Mode: | default |
| Analysis stop reason: | Timeout |
| Sample name: | fontdrvhost.exe |
| Detection: | CLEAN |
| Classification: | clean1.winEXE@1/0@0/0 |
| Cookbook Comments: |
|
- VT rate limit hit for: fontdr
vhost.exe
⊘No simulations
⊘No context
⊘No context
⊘No context
⊘No context
⊘No context
⊘No created / dropped files found
| File type: | |
| Entropy (8bit): | 6.559257279891314 |
| TrID: |
|
| File name: | fontdrvhost.exe |
| File size: | 835'272 bytes |
| MD5: | ee70bd5cb31bb41dc6731979aa0fea6a |
| SHA1: | 520e94e047855242c4d2a80649bbd0f816af90e5 |
| SHA256: | f9e40584676d5e3f4320eccef070436d765cf4f668121b3bd14c9f50747fb2b4 |
| SHA512: | 35b7e86dd6a41711e9e82291c91b14589cd832d4b7af5668aef524b30fb003f8c02204281003b8115abe40b3551da45d1d2cc421b4a7a0e8d284ffed85d7b2bb |
| SSDEEP: | 24576:94co9L1uqvGZ9tEJe1pp3jubvC8IuA7G5:94co9L1ujZ9tsSpUDIuA7i |
| TLSH: | 8F05AD49FBA842E1C477C078C6426B1BFAB6746903649ACBC6D086AD6F13FF45A3D311 |
| File Content Preview: | MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$.......qC..5"..5"..5"..<Z..="..!I..<"..!I..6"..!I..:"..5"...&..!I..B"..!I..+"..!I~.4"..!I|.4"..!I..4"..Rich5"..........PE..d...!.c.... |
 | |
| Icon Hash: | 90cececece8e8eb0 |
| Entrypoint: | 0x140031c50 |
| Entrypoint Section: | .text |
| Digitally signed: | true |
| Imagebase: | 0x140000000 |
| Subsystem: | windows gui |
| Image File Characteristics: | EXECUTABLE_IMAGE, LARGE_ADDRESS_AWARE |
| DLL Characteristics: | HIGH_ENTROPY_VA, DYNAMIC_BASE, NX_COMPAT, GUARD_CF, TERMINAL_SERVER_AWARE |
| Time Stamp: | 0xA863BA21 [Fri Jul 11 00:13:21 2059 UTC] |
| TLS Callbacks: | |
| CLR (.Net) Version: | |
| OS Version Major: | 10 |
| OS Version Minor: | 0 |
| File Version Major: | 10 |
| File Version Minor: | 0 |
| Subsystem Version Major: | 10 |
| Subsystem Version Minor: | 0 |
| Import Hash: | b77fc40bd3ab3d336aead1e8bef09745 |
| Signature Valid: | true |
| Signature Issuer: | CN=Microsoft Windows Production PCA 2011, O=Microsoft Corporation, L=Redmond, S=Washington, C=US |
| Signature Validation Error: | The operation completed successfully |
| Error Number: | 0 |
| Not Before, Not After |
|
| Subject Chain |
|
| Version: | 3 |
| Thumbprint MD5: | 9B7554FFA2D97FE692CB10D7B2E315A7 |
| Thumbprint SHA-1: | D8FB0CC66A08061B42D46D03546F0D42CBC49B7C |
| Thumbprint SHA-256: | 2D7FFCE2C256016291B67285456AA8DA779D711BBF8E6B85C212A157DDFBE77E |
| Serial: | 3300000460CF42A912315F6FB3000000000460 |
| Instruction |
|---|
| dec eax |
| sub esp, 28h |
| call 00007FCBFCBC8810h |
| dec eax |
| add esp, 28h |
| jmp 00007FCBFCBC8363h |
| int3 |
| int3 |
| int3 |
| int3 |
| int3 |
| int3 |
| int3 |
| int3 |
| int3 |
| int3 |
| int3 |
| int3 |
| int3 |
| int3 |
| int3 |
| int3 |
| int3 |
| int3 |
| int3 |
| int3 |
| nop word ptr [eax+eax+00000000h] |
| dec eax |
| cmp ecx, dword ptr [0008E0E9h] |
| jne 00007FCBFCBC8515h |
| dec eax |
| rol ecx, 10h |
| test cx, FFFFh |
| jne 00007FCBFCBC8505h |
| ret |
| dec eax |
| ror ecx, 10h |
| jmp 00007FCBFCBC8C34h |
| int3 |
| int3 |
| int3 |
| int3 |
| int3 |
| int3 |
| int3 |
| dec eax |
| sub esp, 28h |
| call 00007FCBFCBC902Ch |
| test eax, eax |
| je 00007FCBFCBC8523h |
| dec eax |
| mov eax, dword ptr [00000030h] |
| dec eax |
| mov ecx, dword ptr [eax+08h] |
| jmp 00007FCBFCBC8507h |
| dec eax |
| cmp ecx, eax |
| je 00007FCBFCBC8516h |
| xor eax, eax |
| dec eax |
| cmpxchg dword ptr [0008E7E4h], ecx |
| jne 00007FCBFCBC84F0h |
| xor al, al |
| dec eax |
| add esp, 28h |
| ret |
| mov al, 01h |
| jmp 00007FCBFCBC84F9h |
| int3 |
| int3 |
| int3 |
| int3 |
| int3 |
| int3 |
| int3 |
| inc eax |
| push ebx |
| dec eax |
| sub esp, 20h |
| movzx eax, byte ptr [0008E7FCh] |
| test ecx, ecx |
| mov ebx, 00000001h |
| cmove eax, ebx |
| mov byte ptr [0008E7ECh], al |
| call 00007FCBFCBC8E4Fh |
| call 00007FCBFCBC8846h |
| test al, al |
| jne 00007FCBFCBC8506h |
| xor al, al |
| jmp 00007FCBFCBC8516h |
| Programming Language: |
|
| Name | Virtual Address | Virtual Size | Is in Section |
|---|---|---|---|
| IMAGE_DIRECTORY_ENTRY_EXPORT | 0x0 | 0x0 | |
| IMAGE_DIRECTORY_ENTRY_IMPORT | 0xb98b8 | 0xb4 | .rdata |
| IMAGE_DIRECTORY_ENTRY_RESOURCE | 0xcd000 | 0x410 | .rsrc |
| IMAGE_DIRECTORY_ENTRY_EXCEPTION | 0xc6000 | 0x6ca8 | .pdata |
| IMAGE_DIRECTORY_ENTRY_SECURITY | 0xc7c00 | 0x42c8 | .pdata |
| IMAGE_DIRECTORY_ENTRY_BASERELOC | 0xce000 | 0x1020 | .reloc |
| IMAGE_DIRECTORY_ENTRY_DEBUG | 0xa4b70 | 0x70 | .rdata |
| IMAGE_DIRECTORY_ENTRY_COPYRIGHT | 0x0 | 0x0 | |
| IMAGE_DIRECTORY_ENTRY_GLOBALPTR | 0x0 | 0x0 | |
| IMAGE_DIRECTORY_ENTRY_TLS | 0x0 | 0x0 | |
| IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG | 0xa10d0 | 0x118 | .rdata |
| IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT | 0x0 | 0x0 | |
| IMAGE_DIRECTORY_ENTRY_IAT | 0xa2ad0 | 0x508 | .rdata |
| IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT | 0x0 | 0x0 | |
| IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR | 0x0 | 0x0 | |
| IMAGE_DIRECTORY_ENTRY_RESERVED | 0x0 | 0x0 |
| Name | Virtual Address | Virtual Size | Raw Size | MD5 | Xored PE | ZLIB Complexity | File Type | Entropy | Characteristics |
|---|---|---|---|---|---|---|---|---|---|
| .text | 0x1000 | 0x9fe50 | 0xa0000 | 244c35e6d1bf56ed55d1add064af5fdb | False | 0.5693344116210938 | data | 6.473265635780701 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ |
| .rdata | 0xa1000 | 0x19aea | 0x19c00 | 23b83410a2309da4c2164f5e4b2b6a95 | False | 0.47515928398058255 | data | 5.969838650831439 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
| .data | 0xbb000 | 0xacc4 | 0x5600 | 11ec410e36176d3ce021f2d3713e66be | False | 0.28147710755813954 | data | 3.6529823123865253 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE |
| .pdata | 0xc6000 | 0x6ca8 | 0x6e00 | 0b4c09c4d6240d309a73120be33392a8 | False | 0.5063210227272728 | data | 5.847139130736544 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
| .rsrc | 0xcd000 | 0x410 | 0x600 | 9dc67913fbff23a23cb42b720305928d | False | 0.3111979166666667 | data | 2.513229972851933 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
| .reloc | 0xce000 | 0x1020 | 0x1200 | 015826be78ba2bef06001ff9d642ad05 | False | 0.2916666666666667 | data | 5.176061599653244 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ |
| Name | RVA | Size | Type | Language | Country | ZLIB Complexity |
|---|---|---|---|---|---|---|
| RT_VERSION | 0xcd060 | 0x3b0 | data | English | United States | 0.4597457627118644 |
| DLL | Import |
|---|---|
| msvcp_win.dll | ?_Xlength_error@std@@YAXPEBD@Z |
| api-ms-win-crt-runtime-l1-1-0.dll | _register_thread_local_exe_atexit_callback, _c_exit, _initterm_e, _initterm |
| api-ms-win-crt-private-l1-1-0.dll | _o__callnewh, _o__cexit, _o__configthreadlocale, _o__configure_narrow_argv, _o__crt_atexit, _o__errno, _o__exit, _o__get_initial_narrow_environment, _o__initialize_narrow_environment, _o__initialize_onexit_table, _o__invalid_parameter_noinfo, _o__invalid_parameter_noinfo_noreturn, _o__itow, _o__lfind, _o__purecall, _o__register_onexit_function, _o__seh_filter_exe, _o__set_app_type, _o__set_fmode, _o__set_new_mode, memmove, _o__stricmp, _o__strlwr, _o__wcsicmp, _o__wcsnicmp, _o_atoi, _o_atol, _o_bsearch, _o_exit, _o_free, _o_isdigit, _o_islower, _o_iswdigit, _o_isxdigit, _o_malloc, _o_qsort, _o_rand, _o_rand_s, _o_realloc, _o_sqrt, _o_strtol, _o_terminate, wcschr, strchr, _o___stdio_common_vswprintf, _o___stdio_common_vsprintf, _o___stdio_common_vsnprintf_s, _o___stdio_common_vfprintf, _o___std_exception_destroy, _o___std_exception_copy, _o___p__commode, _o___p___argv, _o___p___argc, _o___acrt_iob_func, __C_specific_handler, wcsrchr, strstr, __CxxFrameHandler4, __std_terminate, __CxxFrameHandler3, _CxxThrowException, memcmp, memcpy |
| api-ms-win-crt-string-l1-1-0.dll | memset, strnlen, strcmp, strncmp, wcsncmp |
| KERNEL32.dll | WideCharToMultiByte, GetACP, GetOEMCP, MapViewOfFile, CreateFileMappingW, TlsGetValue, SetFileInformationByHandle, GetFileInformationByHandle, MultiByteToWideChar, UnmapViewOfFile, DebugBreak, DeleteCriticalSection, CreateMutexExW, CreateThreadpoolTimer, SetThreadpoolTimer, CloseHandle, OpenSemaphoreW, WaitForSingleObjectEx, AcquireSRWLockExclusive, CloseThreadpoolTimer, OutputDebugStringW, ReleaseSRWLockExclusive, GetLastError, FormatMessageW, ReleaseMutex, WaitForSingleObject, WaitForThreadpoolTimerCallbacks, InitializeCriticalSectionEx, LeaveCriticalSection, GetModuleHandleExW, ReleaseSemaphore, EnterCriticalSection, CreateSemaphoreExW, GetModuleFileNameA, RtlRaiseException, MulDiv, ReleaseSRWLockShared, AcquireSRWLockShared, GetProcAddress, SetLastError, GlobalFree, GlobalAlloc, TerminateProcess, GetCurrentProcess, GetModuleHandleW, IsProcessorFeaturePresent, SetUnhandledExceptionFilter, UnhandledExceptionFilter, IsDebuggerPresent, RtlVirtualUnwind, RtlLookupFunctionEntry, RtlCaptureContext, InitializeSListHead, GetSystemTimeAsFileTime, GetCurrentThreadId, GetCurrentProcessId, QueryPerformanceCounter, GetProcessHeap, ExitProcess, HeapAlloc, CreateThread, TlsAlloc, SetProcessMitigationPolicy, GetEnvironmentVariableW, InitializeCriticalSection, SetProcessShutdownParameters, WaitForMultipleObjects, HeapFree, TlsSetValue, InitOnceExecuteOnce, RaiseException |
| ADVAPI32.dll | EventRegister, EventWriteTransfer, EventSetInformation |
| ntdll.dll | RtlMultiByteToUnicodeN, RtlSetThreadWorkOnBehalfTicket, RtlClearThreadWorkOnBehalfTicket, RtlAllocateHeap, RtlUnicodeToMultiByteN |
| win32u.dll | NtGdiExtEscape |
| Language of compilation system | Country where language is spoken | Map |
|---|---|---|
| English | United States |  |
Key Decision
Richest Path
Thread / callback creation
Lower opacity -> Library Node⊘No network behavior found
Click to jump to process
Click to jump to process
| Target ID: | 0 |
| Start time: | 14:17:41 |
| Start date: | 12/08/2024 |
| Path: | C:\Users\user\Desktop\fontdrvhost.exe |
| Wow64 process (32bit): | false |
| Commandline: | |
| Imagebase: | 0x7ff6b1c40000 |
| File size: | 835'272 bytes |
| MD5 hash: | EE70BD5CB31BB41DC6731979AA0FEA6A |
| Has elevated privileges: | true |
| Has administrator privileges: | true |
| Programmed in: | C, C++ or other language |
| Reputation: | low |
| Has exited: | true |
⊘No disassembly
