Windows
Analysis Report
1.dll
Overview
General Information
Detection
Score: | 48 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Classification
- System is w10x64
- loaddll64.exe (PID: 760 cmdline:
loaddll64. exe "C:\Us ers\user\D esktop\1.d ll" MD5: 763455F9DCB24DFEECC2B9D9F8D46D52) - conhost.exe (PID: 2884 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - cmd.exe (PID: 4512 cmdline:
cmd.exe /C rundll32. exe "C:\Us ers\user\D esktop\1.d ll",#1 MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - rundll32.exe (PID: 6416 cmdline:
rundll32.e xe "C:\Use rs\user\De sktop\1.dl l",#1 MD5: EF3179D498793BF4234F708D3BE28633)
- cleanup
Click to jump to signature section
AV Detection |
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Source: | Virustotal: | Perma Link |
Source: | Static PE information: |
Source: | Static PE information: |
Source: | Binary string: | ||
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: | Static PE information: |
Source: | Binary or memory string: |
Source: | Section loaded: | Jump to behavior | ||
Source: | Section loaded: | Jump to behavior |
Source: | Classification label: |
Source: | Mutant created: |
Source: | Static PE information: |
Source: | Key opened: | Jump to behavior |
Source: | Process created: |
Source: | Virustotal: |
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: | Static PE information: |
Source: | Static PE information: |
Source: | Static PE information: |
Source: | Static PE information: |
Source: | Static PE information: |
Source: | Binary string: | ||
Source: | Binary string: |
Source: | Static PE information: |
Source: | Process information set: | Jump to behavior |
Source: | Thread sleep time: | 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 | 11 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 | 11 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 |
---|---|---|---|---|
9% | ReversingLabs | |||
11% | Virustotal | Browse |
Source | Detection | Scanner | Label | Link |
---|---|---|---|---|
0% | URL Reputation | safe | ||
0% | URL Reputation | safe | ||
0% | URL Reputation | safe | ||
0% | URL Reputation | safe |
Name | Source | Malicious | Antivirus Detection | Reputation |
---|---|---|---|---|
false | high | |||
false | high | |||
false |
| unknown | ||
false |
| unknown | ||
false |
| unknown | ||
false | high | |||
false |
| unknown | ||
false | high | |||
false | high | |||
false | high | |||
false | high | |||
false | high | |||
false | high | |||
false | high |
Joe Sandbox version: | 40.0.0 Tourmaline |
Analysis ID: | 1417057 |
Start date and time: | 2024-03-28 15:09:07 +01:00 |
Joe Sandbox product: | CloudBasic |
Overall analysis duration: | 0h 1m 52s |
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: | 1.dll (renamed file extension from exe to dll) |
Original Sample Name: | 1.exe |
Detection: | MAL |
Classification: | mal48.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 |
---|---|---|
15:09:57 | API Interceptor |
File type: | |
Entropy (8bit): | 6.9113178018830155 |
TrID: |
|
File name: | 1.dll |
File size: | 16'312 bytes |
MD5: | 4a77fb2014f6d9a165a139bd550916ae |
SHA1: | 9f717b1a5d22f74979934b6c55d22f8990608c3f |
SHA256: | f2d850025dd7b65c44d979ec74a3f5a77e1c15b4070812be5656887cee95dc59 |
SHA512: | e631cced344b322f56bf47e5b8492a0dfa0f7c90ebc2c89c05b71802c2b2c91da632f5b09dfbb3b2fbbb0da4eef29797c2c65ddf0f5474d379ce06f879d548f1 |
SSDEEP: | 384:lh4OElVMetbFP27xWkVbuWFrewThW/wi9NEwi2jHnn1H2:l6PjMspKxnVbuqHThlCN0EHn4 |
TLSH: | 9772295A17A81321FDDE4E3278D5D7136EB4D6B0F78388E7A015C5BADC823293A1073A |
File Content Preview: | MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$.......PE..d................." ..0.................. ........... .......................`.......h....`...@......@............... ..... |
Icon Hash: | 7ae282899bbab082 |
Entrypoint: | 0x180000000 |
Entrypoint Section: | |
Digitally signed: | true |
Imagebase: | 0x180000000 |
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: | 0x8093189B [Mon May 10 17:02:19 2038 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: |
Signature Valid: | true |
Signature Issuer: | CN=Entrust Extended Validation Code Signing CA - EVCS2, O="Entrust, Inc.", C=US |
Signature Validation Error: | The operation completed successfully |
Error Number: | 0 |
Not Before, Not After |
|
Subject Chain |
|
Version: | 3 |
Thumbprint MD5: | 24714D472FF58BE6FF5A2C38E89589F9 |
Thumbprint SHA-1: | 21CB2B7BA0D44995482C2132B93A8BD009C531DC |
Thumbprint SHA-256: | 2B63F54EA29916A25E161AABA79A2F07E46DBDE9CADDC6A1269D591ED59B34B2 |
Serial: | 6A51394839DF91350F87EF396D6B4F5A |
Instruction |
---|
dec ebp |
pop edx |
nop |
add byte ptr [ebx], al |
add byte ptr [eax], al |
add byte ptr [eax+eax], al |
add byte ptr [eax], al |
Name | Virtual Address | Virtual Size | Is in Section |
---|---|---|---|
IMAGE_DIRECTORY_ENTRY_EXPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_IMPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_RESOURCE | 0x4000 | 0x380 | .rsrc |
IMAGE_DIRECTORY_ENTRY_EXCEPTION | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_SECURITY | 0x1400 | 0x2bb8 | |
IMAGE_DIRECTORY_ENTRY_BASERELOC | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_DEBUG | 0x2c5c | 0x54 | .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 | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR | 0x2000 | 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 | 0xd41 | 0xe00 | 5d8b67081b4db69f52e9fcafbe839e2c | False | 0.5022321428571429 | data | 5.0985066706174385 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ |
.rsrc | 0x4000 | 0x380 | 0x400 | 2e3b8b4e59550431f329f57217fbe71c | False | 0.3408203125 | data | 2.8343863879375557 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
Name | RVA | Size | Type | Language | Country | ZLIB Complexity |
---|---|---|---|---|---|---|
RT_VERSION | 0x4058 | 0x324 | data | 0.39676616915422885 |
Click to jump to process
Click to jump to process
Click to jump to process
Target ID: | 0 |
Start time: | 15:09:56 |
Start date: | 28/03/2024 |
Path: | C:\Windows\System32\loaddll64.exe |
Wow64 process (32bit): | false |
Commandline: | |
Imagebase: | 0x7ff716ea0000 |
File size: | 165'888 bytes |
MD5 hash: | 763455F9DCB24DFEECC2B9D9F8D46D52 |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | C, C++ or other language |
Reputation: | moderate |
Has exited: | true |
Target ID: | 1 |
Start time: | 15:09:57 |
Start date: | 28/03/2024 |
Path: | C:\Windows\System32\conhost.exe |
Wow64 process (32bit): | false |
Commandline: | |
Imagebase: | 0x7ff6d64d0000 |
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: | 15:09:57 |
Start date: | 28/03/2024 |
Path: | C:\Windows\System32\cmd.exe |
Wow64 process (32bit): | false |
Commandline: | |
Imagebase: | 0x7ff64f850000 |
File size: | 289'792 bytes |
MD5 hash: | 8A2122E8162DBEF04694B9C3E0B6CDEE |
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: | 15:09:57 |
Start date: | 28/03/2024 |
Path: | C:\Windows\System32\rundll32.exe |
Wow64 process (32bit): | false |
Commandline: | |
Imagebase: | 0x7ff6aaf30000 |
File size: | 71'680 bytes |
MD5 hash: | EF3179D498793BF4234F708D3BE28633 |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | C, C++ or other language |
Reputation: | high |
Has exited: | true |