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Windows
Analysis Report
PacketHandlerFramework.dll
Overview
General Information
| Sample name: | PacketHandlerFramework.dll |
| Analysis ID: | 1561667 |
| MD5: | 989e01629b297d152f61aea02ad930ff |
| SHA1: | f0a6d22b03c9b852000f5ba818cf8d334b991be0 |
| SHA256: | 60801a200aba419b4618c890b8f6b465c6bc18eccdfb9c882904907a23524ee0 |
| Infos: | |
 | |
Detection
| Score: | 2 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 60% |
Signatures
Binary contains a suspicious time stamp
Creates a process in suspended mode (likely to inject code)
Program does not show much activity (idle)
Sample execution stops while process was sleeping (likely an evasion)
Classification
- System is w10x64
loaddll32.exe (PID: 6108 cmdline: loaddll32. exe "C:\Us ers\user\D esktop\Pac ketHandler Framework. dll" MD5: 51E6071F9CBA48E79F10C84515AAE618) 
conhost.exe (PID: 636 cmdline: C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - cmd.exe (PID: 4568 cmdline:
cmd.exe /C rundll32. exe "C:\Us ers\user\D esktop\Pac ketHandler Framework. dll",#1 MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) 
rundll32.exe (PID: 2264 cmdline: rundll32.e xe "C:\Use rs\user\De sktop\Pack etHandlerF ramework.d ll",#1 MD5: 889B99C52A60DD49227C5E485A016679)
- 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: | ||
| Source: | String found in binary or memory: | ||
| Source: | String found in binary or memory: | ||
| Source: | String found in binary or memory: | ||
| Source: | String found in binary or memory: | ||
| Source: | String found in binary or memory: | ||
| Source: | String found in binary or memory: | ||
| Source: | String found in binary or memory: | ||
| Source: | String found in binary or memory: | ||
| Source: | String found in binary or memory: | ||
| Source: | String found in binary or memory: | ||
| Source: | String found in binary or memory: | ||
| Source: | String found in binary or memory: | ||
| Source: | String found in binary or memory: | ||
| Source: | String found in binary or memory: | ||
| Source: | String found in binary or memory: | ||
| Source: | String found in binary or memory: | ||
| Source: | String found in binary or memory: | ||
| Source: | Classification label: | ||
| Source: | Mutant created: | ||
| Source: | Static PE information: | ||
| Source: | Static file information: | ||
| Source: | Key opened: | Jump to behavior | ||
| Source: | Process created: | ||
| Source: | Process created: | |||
| Source: | Process created: | |||
| Source: | Process created: | |||
| Source: | Process created: | |||
| Source: | Process created: | Jump to behavior | ||
| Source: | Process created: | Jump to behavior | ||
| Source: | Section loaded: | Jump to behavior | ||
| Source: | Section loaded: | Jump to behavior | ||
| Source: | Section loaded: | Jump to behavior | ||
| Source: | Static PE information: | ||
| Source: | Static PE information: | ||
| Source: | Static PE information: | ||
| Source: | Static PE information: | ||
| Source: | Binary string: | ||
| Source: | Static PE information: | ||
| Source: | Process information set: | Jump to behavior | ||
| Source: | Thread injection, dropped files, key value created, disk infection and DNS query: | ||
| Source: | Last function: | ||
| Source: | Thread delayed: | Jump to behavior | ||
| Source: | Thread injection, dropped files, key value created, disk infection and DNS query: | ||
| Source: | Process created: | Jump to behavior | ||
| 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 | 11 Process Injection | 1 Rundll32 | OS Credential Dumping | 1 Virtualization/Sandbox Evasion | 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 Virtualization/Sandbox Evasion | LSASS Memory | 1 System Information 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) | 11 Process Injection | Security Account Manager | Query Registry | SMB/Windows Admin Shares | Data from Network Shared Drive | Steganography | Automated Exfiltration | Data Encrypted for Impact |
| Employee Names | Virtual Private Server | Local Accounts | Cron | Login Hook | Login Hook | 1 Timestomp | NTDS | System Network Configuration Discovery | Distributed Component Object Model | Input Capture | Protocol Impersonation | Traffic Duplication | Data Destruction |
| Gather Victim Network Information | Server | Cloud Accounts | Launchd | Network Logon Script | Network Logon Script | 1 DLL Side-Loading | LSA Secrets | Internet Connection Discovery | SSH | Keylogging | Fallback Channels | Scheduled Transfer | Data Encrypted for Impact |
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 |
|---|---|---|---|---|
| 4% | ReversingLabs | |||
| 3% | Virustotal | Browse |
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
⊘No Antivirus matches
⊘No contacted domains info
| Name | Source | Malicious | Antivirus Detection | Reputation |
|---|---|---|---|---|
| false | high | |||
| false | high | |||
| false | high | |||
| false | high | |||
| false | high | |||
| false | high |
⊘No contacted IP infos
| Joe Sandbox version: | 41.0.0 Charoite |
| Analysis ID: | 1561667 |
| Start date and time: | 2024-11-24 03:48:13 +01:00 |
| Joe Sandbox product: | CloudBasic |
| Overall analysis duration: | 0h 2m 16s |
| 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: | 5 |
| 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: | PacketHandlerFramework.dll |
| Detection: | CLEAN |
| Classification: | clean2.winDLL@6/0@0/0 |
| EGA Information: | Failed |
| HCA Information: |
|
| Cookbook Comments: |
|
- Exclude process from analysis (whitelisted): dllhost.exe
- Not all processes where analyzed, report is missing behavior information
| Time | Type | Description |
|---|---|---|
| 21:49:24 | API Interceptor |
⊘No created / dropped files found
| File type: | |
| Entropy (8bit): | 6.075216778863769 |
| TrID: |
|
| File name: | PacketHandlerFramework.dll |
| File size: | 380'096 bytes |
| MD5: | 989e01629b297d152f61aea02ad930ff |
| SHA1: | f0a6d22b03c9b852000f5ba818cf8d334b991be0 |
| SHA256: | 60801a200aba419b4618c890b8f6b465c6bc18eccdfb9c882904907a23524ee0 |
| SHA512: | e1b7b29cb562555d611179fa6ae0f2967b5906b9a00caf100dcbf04ca1e603e14826f54c281f196476d77fab823f5dc0a8437de4cb6b9a51a5a5cefcb68635e9 |
| SSDEEP: | 6144:MJdPYYKxMVUhGKT4cB3Y7bR+Qmi4oE+oDqy0vVHPEgthR8HALE8TUS:MJdPYYxUhco3YXR+Qmi4oEjWEgtVUS |
| TLSH: | CD847C0963FC9A0DE17F4B38A1B0615546F9B917E9AEEB0D5DC424ED0AA7780CA10B37 |
| File Content Preview: | MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$.......PE..L....L............" ..0.................. ........... ....................................`................................ |
 | |
| Icon Hash: | 7ae282899bbab082 |
| Entrypoint: | 0x1005b1aa |
| Entrypoint Section: | .text |
| Digitally signed: | true |
| Imagebase: | 0x10000000 |
| Subsystem: | windows cui |
| Image File Characteristics: | EXECUTABLE_IMAGE, LARGE_ADDRESS_AWARE, DLL |
| DLL Characteristics: | HIGH_ENTROPY_VA, DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE |
| Time Stamp: | 0x9C904CF8 [Thu Mar 27 15:36:24 2053 UTC] |
| TLS Callbacks: | |
| CLR (.Net) Version: | |
| OS Version Major: | 4 |
| OS Version Minor: | 0 |
| File Version Major: | 4 |
| File Version Minor: | 0 |
| Subsystem Version Major: | 4 |
| Subsystem Version Minor: | 0 |
| Import Hash: | dae02f32a21e03ce65412f6e56942daa |
| Signature Valid: | true |
| Signature Issuer: | CN=Sectigo Public Code Signing CA R36, O=Sectigo Limited, C=GB |
| Signature Validation Error: | The operation completed successfully |
| Error Number: | 0 |
| Not Before, Not After |
|
| Subject Chain |
|
| Version: | 3 |
| Thumbprint MD5: | 4BA2EA4B6C3B04BA99C45BE50B3B692D |
| Thumbprint SHA-1: | 0A0B6FD5C2559380B67994A10780D4165848E896 |
| Thumbprint SHA-256: | 380F6A3A06B2EF2A5FA572730E5C09E3C80190EC2C5F1F76022102A8E3A129B5 |
| Serial: | 00B52F359BF7951F9A816711D3FEDB7469 |
| Instruction |
|---|
| jmp dword ptr [10002000h] |
| and byte ptr [eax], al |
| sub al, byte ptr [eax] |
| or al, byte ptr [eax] |
| or eax, 84828400h |
| xchg byte ptr [edx+ecx*4-6D7B717Ch], al |
| test byte ptr [esi-617B657Ch], dl |
| test byte ptr [edx-557B597Ch], ah |
| test byte ptr [esi-497B4D7Ch], ch |
| test byte ptr [edx-3E7B417Ch], bh |
| test bl, al |
| test ch, al |
| test bh, al |
| test cl, cl |
| test bl, cl |
| test ch, cl |
| test bh, cl |
| test cl, dl |
| test bl, dl |
| test ch, dl |
| test bh, dl |
| test cl, bl |
| test bl, bl |
| test ch, bl |
| test bh, bl |
| add al, E1h |
| add al, E2h |
| add al, E3h |
| add al, E4h |
| add al, E5h |
| add al, E6h |
| add al, E7h |
| add al, E8h |
| add al, E9h |
| add al, EAh |
| add al, EBh |
| add al, ECh |
| add al, EDh |
| add al, EEh |
| add al, EFh |
| add al, F0h |
| les esi, eax |
| inc esp |
| int1 |
| les esi, ecx |
| inc esp |
| les esi, edx |
| inc esp |
| les esi, ebx |
| inc esp |
| hlt |
| les esi, esp |
| inc esp |
| cmc |
| les esi, ebp |
| inc esp |
| test ah, FFFFFFF6h |
| inc esp |
| test esp, A4F844F7h |
| clc |
| in al, F8h |
| and al, F9h |
| stc |
| movsb |
| stc |
| in al, F9h |
| and al, FAh |
| cli |
| movsb |
| cli |
| in al, FAh |
| and al, FBh |
| sti |
| movsb |
| sti |
| in al, FBh |
| and al, FCh |
| cld |
| xchg eax, esp |
| cld |
| mov ah, FCh |
| aam FCh |
| hlt |
| cld |
| adc al, FDh |
| xor al, FDh |
| push esp |
| std |
| je 00007F8990FB2A2Fh |
| xchg eax, esp |
| std |
| mov ah, FDh |
| aam FDh |
| hlt |
| std |
| adc al, FEh |
| Name | Virtual Address | Virtual Size | Is in Section |
|---|---|---|---|
| IMAGE_DIRECTORY_ENTRY_EXPORT | 0x0 | 0x0 | |
| IMAGE_DIRECTORY_ENTRY_IMPORT | 0x5b157 | 0x4f | .text |
| IMAGE_DIRECTORY_ENTRY_RESOURCE | 0x5c000 | 0x3fc | .rsrc |
| IMAGE_DIRECTORY_ENTRY_EXCEPTION | 0x0 | 0x0 | |
| IMAGE_DIRECTORY_ENTRY_SECURITY | 0x5a000 | 0x2cc0 | |
| IMAGE_DIRECTORY_ENTRY_BASERELOC | 0x5e000 | 0xc | .reloc |
| IMAGE_DIRECTORY_ENTRY_DEBUG | 0x5b0a0 | 0x38 | .text |
| IMAGE_DIRECTORY_ENTRY_COPYRIGHT | 0x0 | 0x0 | |
| IMAGE_DIRECTORY_ENTRY_GLOBALPTR | 0x0 | 0x0 | |
| IMAGE_DIRECTORY_ENTRY_TLS | 0x0 | 0x0 | |
| IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG | 0x0 | 0x0 | |
| IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT | 0x0 | 0x0 | |
| IMAGE_DIRECTORY_ENTRY_IAT | 0x2000 | 0x8 | .text |
| IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT | 0x0 | 0x0 | |
| IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR | 0x2008 | 0x48 | .text |
| IMAGE_DIRECTORY_ENTRY_RESERVED | 0x0 | 0x0 |
| Name | Virtual Address | Virtual Size | Raw Size | MD5 | Xored PE | ZLIB Complexity | File Type | Entropy | Characteristics |
|---|---|---|---|---|---|---|---|---|---|
| .text | 0x2000 | 0x59648 | 0x59800 | 3b644490fcee1df7ded8d6ca73384c8c | False | 0.415508248952514 | data | 6.012348092838468 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ |
| .rsrc | 0x5c000 | 0x3fc | 0x400 | dd4730326ce602a7b5fc6886baf3668f | False | 0.388671875 | data | 3.1751099631316584 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
| .reloc | 0x5e000 | 0xc | 0x200 | ca18d6c7227130cfa10433b914c5a0b0 | False | 0.044921875 | data | 0.10191042566270775 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ |
| Name | RVA | Size | Type | Language | Country | ZLIB Complexity |
|---|---|---|---|---|---|---|
| RT_VERSION | 0x5c058 | 0x3a0 | data | 0.3954741379310345 |
| DLL | Import |
|---|---|
| mscoree.dll | _CorDllMain |
Key Decision
Richest Path
Thread / callback creation
Lower opacity -> Library Node⊘No network behavior found
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| Target ID: | 0 |
| Start time: | 21:49:24 |
| Start date: | 23/11/2024 |
| Path: | C:\Windows\System32\loaddll32.exe |
| Wow64 process (32bit): | true |
| Commandline: | |
| Imagebase: | 0xc20000 |
| File size: | 126'464 bytes |
| MD5 hash: | 51E6071F9CBA48E79F10C84515AAE618 |
| Has elevated privileges: | true |
| Has administrator privileges: | true |
| Programmed in: | C, C++ or other language |
| Reputation: | high |
| Has exited: | true |
| Target ID: | 1 |
| Start time: | 21:49:24 |
| Start date: | 23/11/2024 |
| Path: | C:\Windows\System32\conhost.exe |
| Wow64 process (32bit): | false |
| Commandline: | |
| Imagebase: | 0x7ff6ee680000 |
| File size: | 862'208 bytes |
| MD5 hash: | 0D698AF330FD17BEE3BF90011D49251D |
| Has elevated privileges: | true |
| Has administrator privileges: | true |
| Programmed in: | C, C++ or other language |
| Reputation: | high |
| Has exited: | true |
| Target ID: | 2 |
| Start time: | 21:49:24 |
| Start date: | 23/11/2024 |
| Path: | C:\Windows\SysWOW64\cmd.exe |
| Wow64 process (32bit): | true |
| Commandline: | |
| Imagebase: | 0xa40000 |
| File size: | 236'544 bytes |
| MD5 hash: | D0FCE3AFA6AA1D58CE9FA336CC2B675B |
| Has elevated privileges: | true |
| Has administrator privileges: | true |
| Programmed in: | C, C++ or other language |
| Reputation: | high |
| Has exited: | true |
| Target ID: | 3 |
| Start time: | 21:49:24 |
| Start date: | 23/11/2024 |
| Path: | C:\Windows\SysWOW64\rundll32.exe |
| Wow64 process (32bit): | true |
| Commandline: | |
| Imagebase: | 0x370000 |
| File size: | 61'440 bytes |
| MD5 hash: | 889B99C52A60DD49227C5E485A016679 |
| Has elevated privileges: | true |
| Has administrator privileges: | true |
| Programmed in: | C, C++ or other language |
| Reputation: | high |
| Has exited: | true |
⊘No disassembly