Windows
Analysis Report
SharedUtils.dll
Overview
General Information
Detection
Score: | 2 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 60% |
Signatures
Classification
- System is w10x64
- loaddll32.exe (PID: 7412 cmdline:
loaddll32. exe "C:\Us ers\user\D esktop\Sha redUtils.d ll" MD5: 51E6071F9CBA48E79F10C84515AAE618) - conhost.exe (PID: 7428 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - cmd.exe (PID: 7508 cmdline:
cmd.exe /C rundll32. exe "C:\Us ers\user\D esktop\Sha redUtils.d ll",#1 MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - rundll32.exe (PID: 7528 cmdline:
rundll32.e xe "C:\Use rs\user\De sktop\Shar edUtils.dl l",#1 MD5: 889B99C52A60DD49227C5E485A016679)
- cleanup
Click to jump to signature section
There are no malicious signatures, click here to show all signatures.
Source: | Static PE information: |
Source: | Static PE information: |
Source: | String found in binary or memory: | ||
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Source: | String found in binary or memory: |
Source: | Classification label: |
Source: | Mutant created: |
Source: | Static PE information: |
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Source: | Key opened: | Jump to behavior |
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Source: | Section loaded: | Jump to behavior | ||
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Source: | Section loaded: | Jump to behavior |
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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 |
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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 |
This section contains all screenshots as thumbnails, including those not shown in the slideshow.
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
0% | ReversingLabs | |||
0% | Virustotal | Browse |
Name | Source | Malicious | Antivirus Detection | Reputation |
---|---|---|---|---|
false | high | |||
false | high | |||
false | high | |||
false | high | |||
false | high | |||
false | high |
Joe Sandbox version: | 41.0.0 Charoite |
Analysis ID: | 1561666 |
Start date and time: | 2024-11-24 03:50:52 +01:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | 0h 5m 1s |
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 |
Run name: | Run with higher sleep bypass |
Number of analysed new started processes analysed: | 11 |
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: | SharedUtils.dll |
Detection: | CLEAN |
Classification: | clean2.winDLL@6/0@0/0 |
EGA Information: | Failed |
HCA Information: |
|
Cookbook Comments: |
|
- Exclude process from analysis (whitelisted): MpCmdRun.exe, dllhost.exe, WMIADAP.exe, SIHClient.exe, conhost.exe, backgroundTaskHost.exe, svchost.exe
- Excluded domains from analysis (whitelisted): otelrules.azureedge.net, slscr.update.microsoft.com, ctldl.windowsupdate.com, time.windows.com, fe3cr.delivery.mp.microsoft.com
- Not all processes where analyzed, report is missing behavior information
File type: | |
Entropy (8bit): | 6.283023167142929 |
TrID: |
|
File name: | SharedUtils.dll |
File size: | 89'792 bytes |
MD5: | 6a901f75cad796266dbaa6cffaaecd93 |
SHA1: | 36bd757ead502ab379dea72e956a07edb18df450 |
SHA256: | 5dadb20c11d261cefe338ff6d2d406da879334f1a85de6fa73662d84716537e7 |
SHA512: | 7c9444e2665cd43e22e3be82eaf2245f8ffa8ecc6a45ca7949e1692a2edf65f0b6a4437c95c62c0e0a59668a8a0f2baba5bbb920d20d13ee6d65f2becd66c2a5 |
SSDEEP: | 1536:Tk4PrVxxZJuMWk9OOdn+bgN8rWEwbJlvJsA/lJiB0u+EsZBxTUZZXxpl:TkorV/Xl9OeJerWNbJlvO0lJiBSZBxT4 |
TLSH: | 27936C42A3EC0D53D99F1ABCE0A213124B30DB16AD16F34F19DCB4D91E533A259267AF |
File Content Preview: | MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$.......PE..L...V.,..........." ..0..*...........I... ...`....... ....................................`................................ |
Icon Hash: | 7ae282899bbab082 |
Entrypoint: | 0x1001491e |
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: | 0x842CA856 [Sun Apr 8 17:33:10 2040 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 |
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Subject Chain |
|
Version: | 3 |
Thumbprint MD5: | 4BA2EA4B6C3B04BA99C45BE50B3B692D |
Thumbprint SHA-1: | 0A0B6FD5C2559380B67994A10780D4165848E896 |
Thumbprint SHA-256: | 380F6A3A06B2EF2A5FA572730E5C09E3C80190EC2C5F1F76022102A8E3A129B5 |
Serial: | 00B52F359BF7951F9A816711D3FEDB7469 |
Instruction |
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pop ds |
mov ecx, dword ptr [eax] |
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Name | Virtual Address | Virtual Size | Is in Section |
---|---|---|---|
IMAGE_DIRECTORY_ENTRY_EXPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_IMPORT | 0x148cc | 0x4f | .text |
IMAGE_DIRECTORY_ENTRY_RESOURCE | 0x16000 | 0x330 | .rsrc |
IMAGE_DIRECTORY_ENTRY_EXCEPTION | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_SECURITY | 0x13200 | 0x2cc0 | |
IMAGE_DIRECTORY_ENTRY_BASERELOC | 0x18000 | 0xc | .reloc |
IMAGE_DIRECTORY_ENTRY_DEBUG | 0x148b0 | 0x1c | .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 | 0x12948 | 0x12a00 | aca74c0d16e299e75c01f949ef3b8acb | False | 0.4518272860738255 | data | 6.036483262989664 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ |
.rsrc | 0x16000 | 0x330 | 0x400 | a3fc65a28b673d943ffe06f4026f12d3 | False | 0.3388671875 | data | 2.612983628108536 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
.reloc | 0x18000 | 0xc | 0x200 | cdb45ad42c18ae0fae21d04b1028052d | 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 | 0x16058 | 0x2d4 | data | 0.43784530386740333 |
DLL | Import |
---|---|
mscoree.dll | _CorDllMain |
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Target ID: | 1 |
Start time: | 21:51:54 |
Start date: | 23/11/2024 |
Path: | C:\Windows\System32\loaddll32.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0xcf0000 |
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: | 2 |
Start time: | 21:51:54 |
Start date: | 23/11/2024 |
Path: | C:\Windows\System32\conhost.exe |
Wow64 process (32bit): | false |
Commandline: | |
Imagebase: | 0x7ff75da10000 |
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: | 4 |
Start time: | 21:51:54 |
Start date: | 23/11/2024 |
Path: | C:\Windows\SysWOW64\cmd.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0x410000 |
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: | 5 |
Start time: | 21:51:54 |
Start date: | 23/11/2024 |
Path: | C:\Windows\SysWOW64\rundll32.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0x2e0000 |
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 |