Windows
Analysis Report
pdf.exe
Overview
General Information
Detection
Score: | 1 |
Range: | 0 - 100 |
Confidence: | 80% |
Signatures
Classification
- System is w10x64_ra
pdf.exe (PID: 7124 cmdline:
"C:\Users\ user\Deskt op\pdf.exe " MD5: E5647457A637C2871B0FDB7A8F102390) conhost.exe (PID: 5080 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D)
rundll32.exe (PID: 6864 cmdline:
C:\Windows \System32\ rundll32.e xe C:\Wind ows\System 32\shell32 .dll,SHCre ateLocalSe rverRunDll {9aa46009 -3ce0-458a -a354-7156 10a075e6} -Embedding MD5: EF3179D498793BF4234F708D3BE28633)
- cleanup
- • Compliance
- • System Summary
- • Data Obfuscation
- • Hooking and other Techniques for Hiding and Protection
- • Malware Analysis System Evasion
- • Anti Debugging
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There are no malicious signatures, click here to show all signatures.
Source: | Static PE information: |
Source: | Static PE information: |
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Source: | Mutant created: |
Source: | Static PE information: |
Source: | Key opened: |
Source: | Process created: |
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Source: | Process created: | ||
Source: | Process created: |
Source: | Section loaded: | ||
Source: | Section loaded: |
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Source: | Static PE information: |
Source: | Process information set: |
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 Process Injection | 1 Rundll32 | 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 | 1 DLL Side-Loading | 1 Process Injection | LSASS Memory | Application Window Discovery | Remote Desktop Protocol | Data from Removable Media | Junk Data | Exfiltration Over Bluetooth | Network Denial of Service |
Email Addresses | DNS Server | Domain Accounts | At | Logon Script (Windows) | Logon Script (Windows) | 1 DLL Side-Loading | Security Account Manager | Query Registry | SMB/Windows Admin Shares | Data from Network Shared Drive | Steganography | Automated Exfiltration | Data Encrypted for Impact |
This section contains all screenshots as thumbnails, including those not shown in the slideshow.
Joe Sandbox version: | 42.0.0 Malachite |
Analysis ID: | 1671073 |
Start date and time: | 2025-04-22 15:41:07 +02:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | |
Hypervisor based Inspection enabled: | false |
Report type: | full |
Cookbook file name: | defaultwindowsinteractivecookbook.jbs |
Analysis system description: | Windows 10 x64 22H2 with Office Professional Plus 2019, Chrome 134, Firefox 118, Adobe Reader DC 23, Java 8 Update 381, 7zip 23.01 |
Number of analysed new started processes analysed: | 16 |
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: | stream |
Analysis stop reason: | Timeout |
Sample name: | pdf.exe |
Detection: | CLEAN |
Classification: | clean1.winEXE@3/0@0/0 |
Cookbook Comments: |
|
- Exclude process from analysis
(whitelisted): dllhost.exe - Excluded IPs from analysis (wh
itelisted): 52.149.20.212 - Excluded domains from analysis
(whitelisted): slscr.update.m icrosoft.com, fe3cr.delivery.m p.microsoft.com - Not all processes where analyz
ed, report is missing behavior information
File type: | |
Entropy (8bit): | 7.998990838442033 |
TrID: |
|
File name: | pdf.exe |
File size: | 19'944'808 bytes |
MD5: | e5647457a637c2871b0fdb7a8f102390 |
SHA1: | e1ef7b1f8436b9b892e75c0d91b46fbca8b4469b |
SHA256: | 700da1548a48d9f0d22eb73686fd23d97af123a6b163aa1d1e7331d09ccb39dc |
SHA512: | 0551e13b17fd89614418d70fea8dd8955838ee08ebaa1930e685ddc4902cb1f1ba951f42d2fce517f42bdd6021e5603fa1448dd6099a0b3fd2fe8c19968d474d |
SSDEEP: | 393216:HLAA0wHvIr+a4X9NAj40aht54cDADlzrXmXS2lPkoiFHlNI5vWR+l9hIW:HLD0w++DX9w4t54qAZzii2lPDi5d0BIW |
TLSH: | 861733F82EFF25F5E83A3B7ED5D98802D335346547A0059E67A0856383EB2931276B43 |
File Content Preview: | MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$........,.T.M...M...M.......M.......M.......M.......M...M...M.......M.......M.......M...M...M..W.&..M..W....M..Rich.M................. |
Icon Hash: | 90cececece8e8eb0 |
Entrypoint: | 0x140001ac0 |
Entrypoint Section: | .text |
Digitally signed: | true |
Imagebase: | 0x140000000 |
Subsystem: | windows cui |
Image File Characteristics: | EXECUTABLE_IMAGE, LARGE_ADDRESS_AWARE |
DLL Characteristics: | HIGH_ENTROPY_VA, DYNAMIC_BASE, NX_COMPAT, TERMINAL_SERVER_AWARE |
Time Stamp: | 0x67FFD3F7 [Wed Apr 16 15:59:51 2025 UTC] |
TLS Callbacks: | |
CLR (.Net) Version: | |
OS Version Major: | 6 |
OS Version Minor: | 0 |
File Version Major: | 6 |
File Version Minor: | 0 |
Subsystem Version Major: | 6 |
Subsystem Version Minor: | 0 |
Import Hash: | 49f622b3ccc8a58223b275ab12771134 |
Signature Valid: | true |
Signature Issuer: | CN=GlobalSign GCC R45 EV CodeSigning CA 2020, O=GlobalSign nv-sa, C=BE |
Signature Validation Error: | The operation completed successfully |
Error Number: | 0 |
Not Before, Not After |
|
Subject Chain |
|
Version: | 3 |
Thumbprint MD5: | DAC92FB1ACF7F566908D07FF1EC99CFF |
Thumbprint SHA-1: | 5AD122B091C21EB546DFD20086D266E0E8429ABF |
Thumbprint SHA-256: | 32C5B8DB1C4C99E96488E737EA6317EDC051BBCDE9DFE0DE6F944B5391468DC5 |
Serial: | 36CCA0554D1130A8455DE146 |
Instruction |
---|
dec eax |
sub esp, 28h |
call 00007F021C7EA9E0h |
dec eax |
add esp, 28h |
jmp 00007F021C7EA607h |
int3 |
int3 |
dec eax |
sub esp, 28h |
call 00007F021C7EB040h |
test eax, eax |
je 00007F021C7EA7B3h |
dec eax |
mov eax, dword ptr [00000030h] |
dec eax |
mov ecx, dword ptr [eax+08h] |
jmp 00007F021C7EA797h |
dec eax |
cmp ecx, eax |
je 00007F021C7EA7A6h |
xor eax, eax |
dec eax |
cmpxchg dword ptr [00026080h], ecx |
jne 00007F021C7EA780h |
xor al, al |
dec eax |
add esp, 28h |
ret |
mov al, 01h |
jmp 00007F021C7EA789h |
int3 |
int3 |
int3 |
dec eax |
sub esp, 28h |
test ecx, ecx |
jne 00007F021C7EA799h |
mov byte ptr [00026069h], 00000001h |
call 00007F021C7EAD2Dh |
call 00007F021C7EB414h |
test al, al |
jne 00007F021C7EA796h |
xor al, al |
jmp 00007F021C7EA7A6h |
call 00007F021C7F2BF3h |
test al, al |
jne 00007F021C7EA79Bh |
xor ecx, ecx |
call 00007F021C7EB424h |
jmp 00007F021C7EA77Ch |
mov al, 01h |
dec eax |
add esp, 28h |
ret |
int3 |
int3 |
inc eax |
push ebx |
dec eax |
sub esp, 20h |
cmp byte ptr [00026030h], 00000000h |
mov ebx, ecx |
jne 00007F021C7EA7F9h |
cmp ecx, 01h |
jnbe 00007F021C7EA7FCh |
call 00007F021C7EAFB6h |
test eax, eax |
je 00007F021C7EA7BAh |
test ebx, ebx |
jne 00007F021C7EA7B6h |
dec eax |
lea ecx, dword ptr [0002601Ah] |
call 00007F021C7F2A12h |
test eax, eax |
jne 00007F021C7EA7A2h |
dec eax |
lea ecx, dword ptr [00026022h] |
call 00007F021C7EA802h |
Name | Virtual Address | Virtual Size | Is in Section |
---|---|---|---|
IMAGE_DIRECTORY_ENTRY_EXPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_IMPORT | 0x2650c | 0x28 | .rdata |
IMAGE_DIRECTORY_ENTRY_RESOURCE | 0x2c000 | 0x12da6d8 | .rsrc |
IMAGE_DIRECTORY_ENTRY_EXCEPTION | 0x29000 | 0x15f0 | .pdata |
IMAGE_DIRECTORY_ENTRY_SECURITY | 0x1302a00 | 0x2b68 | .rsrc |
IMAGE_DIRECTORY_ENTRY_BASERELOC | 0x1307000 | 0x684 | .reloc |
IMAGE_DIRECTORY_ENTRY_DEBUG | 0x247f0 | 0x1c | .rdata |
IMAGE_DIRECTORY_ENTRY_COPYRIGHT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_GLOBALPTR | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_TLS | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG | 0x246b0 | 0x140 | .rdata |
IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_IAT | 0x1c000 | 0x2d8 | .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 | 0x1a1a0 | 0x1a200 | 992273f5f6530589566041de33773f4d | False | 0.5821527362440191 | data | 6.509703907122392 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ |
.rdata | 0x1c000 | 0xae96 | 0xb000 | 598fbae0892d4a03c50a957995c00220 | False | 0.45902876420454547 | data | 5.025955919743026 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
.data | 0x27000 | 0x1c98 | 0xc00 | dcb0ab652df90c60ceecaae8a1feccdb | False | 0.15201822916666666 | data | 2.0616129128417735 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE |
.pdata | 0x29000 | 0x15f0 | 0x1600 | cfbd06c0adde92703f5c57546aec5b75 | False | 0.49609375 | data | 5.172130976558013 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
.fptable | 0x2b000 | 0x100 | 0x200 | bf619eac0cdf3f68d496ea9344137e8b | False | 0.02734375 | data | 0.0 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE |
.rsrc | 0x2c000 | 0x12da6d8 | 0x12da800 | 1ce45dceaa42e8a2ef6f37a672275088 | unknown | unknown | unknown | unknown | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
.reloc | 0x1307000 | 0x684 | 0x800 | 3ef4a9794277f6df502732b16cf12391 | False | 0.51708984375 | data | 4.946034700685939 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ |
Name | RVA | Size | Type | Language | Country | ZLIB Complexity |
---|---|---|---|---|---|---|
CUSTOMDATA | 0x2c080 | 0x12da654 | data | English | United States | 0.9439239501953125 |
DLL | Import |
---|---|
KERNEL32.dll | FindResourceA, LoadResource, SizeofResource, GetModuleFileNameA, GetModuleHandleA, Sleep, QueryPerformanceCounter, GetCurrentProcessId, GetCurrentThreadId, GetSystemTimeAsFileTime, InitializeSListHead, RtlCaptureContext, RtlLookupFunctionEntry, RtlVirtualUnwind, IsDebuggerPresent, UnhandledExceptionFilter, SetUnhandledExceptionFilter, GetStartupInfoW, IsProcessorFeaturePresent, GetModuleHandleW, WriteConsoleW, RtlUnwindEx, GetLastError, SetLastError, EnterCriticalSection, LeaveCriticalSection, DeleteCriticalSection, InitializeCriticalSectionAndSpinCount, TlsAlloc, TlsGetValue, TlsSetValue, TlsFree, FreeLibrary, GetProcAddress, LoadLibraryExW, EncodePointer, RaiseException, RtlPcToFileHeader, GetStdHandle, WriteFile, GetModuleFileNameW, GetCurrentProcess, ExitProcess, TerminateProcess, GetModuleHandleExW, GetCommandLineA, GetCommandLineW, HeapAlloc, HeapFree, FlsAlloc, FlsGetValue, FlsSetValue, FlsFree, InitializeCriticalSectionEx, VirtualProtect, CompareStringW, LCMapStringW, GetFileType, GetConsoleOutputCP, GetConsoleMode, GetFileSizeEx, SetFilePointerEx, CloseHandle, WaitForSingleObject, GetExitCodeProcess, CreateProcessW, GetFileAttributesExW, MultiByteToWideChar, DeleteFileW, FindClose, FindFirstFileExW, FindNextFileW, IsValidCodePage, GetACP, GetOEMCP, GetCPInfo, WideCharToMultiByte, GetEnvironmentStringsW, FreeEnvironmentStringsW, SetEnvironmentVariableW, SetStdHandle, GetStringTypeW, GetProcessHeap, FlushFileBuffers, CreateFileW, ReadFile, ReadConsoleW, HeapSize, HeapReAlloc, SetEndOfFile |
Language of compilation system | Country where language is spoken | Map |
---|---|---|
English | United States |