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Windows
Analysis Report
DOCU800147001.exe
Overview
General Information
Detection
GuLoader
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus detection for URL or domain
Early bird code injection technique detected
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected GuLoader
AI detected suspicious sample
Found suspicious powershell code related to unpacking or dynamic code loading
Loading BitLocker PowerShell Module
Powershell drops PE file
Queues an APC in another process (thread injection)
Suspicious powershell command line found
Writes to foreign memory regions
Contains functionality for read data from the clipboard
Contains functionality to dynamically determine API calls
Contains functionality to shutdown / reboot the system
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected non-DNS traffic on DNS port
Detected potential crypto function
Dropped file seen in connection with other malware
Drops PE files
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found dropped PE file which has not been started or loaded
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
PE / OLE file has an invalid certificate
Queries the volume information (name, serial number etc) of a device
Sigma detected: Msiexec Initiated Connection
Sigma detected: Potential Binary Or Script Dropper Via PowerShell
Suricata IDS alerts with low severity for network traffic
Uses 32bit PE files
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Classification
- System is w10x64
- DOCU800147001.exe (PID: 364 cmdline:
"C:\Users\ user\Deskt op\DOCU800 147001.exe " MD5: AB99E49A4471901468BBBD9CCF228DE0) - powershell.exe (PID: 5664 cmdline:
powershell .exe -wind owstyle hi dden "$Omr ystede=gc -raw 'C:\U sers\user\ AppData\Lo cal\Ramtil s\Formalde hyds\tyngd epunkterne \Kreditfor midlernes6 7.hve';$Ad vancement= $Omrystede .SubString (71452,3); .$Advancem ent($Omrys tede) " MD5: C32CA4ACFCC635EC1EA6ED8A34DF5FAC) - conhost.exe (PID: 2300 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - msiexec.exe (PID: 1944 cmdline:
"C:\Window s\SysWOW64 \msiexec.e xe" MD5: 9D09DC1EDA745A5F87553048E57620CF)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
CloudEyE, GuLoader | CloudEyE (initially named GuLoader) is a small VB5/6 downloader. It typically downloads RATs/Stealers, such as Agent Tesla, Arkei/Vidar, Formbook, Lokibot, Netwire and Remcos, often but not always from Google Drive. The downloaded payload is xored. | No Attribution |
⊘No configs have been found
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_GuLoader_2 | Yara detected GuLoader | Joe Security | ||
JoeSecurity_GuLoader_2 | Yara detected GuLoader | Joe Security |
System Summary |
---|
Source: | Author: frack113: |
Source: | Author: frack113, Nasreddine Bencherchali (Nextron Systems): |
Source: | Author: Roberto Rodriguez @Cyb3rWard0g (rule), oscd.community (improvements): |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2025-01-15T17:37:49.965763+0100 | 2029467 | 1 | Malware Command and Control Activity Detected | 192.168.2.6 | 52410 | 104.21.32.1 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2025-01-15T17:37:49.965763+0100 | 2810276 | 1 | Malware Command and Control Activity Detected | 192.168.2.6 | 52410 | 104.21.32.1 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2025-01-15T17:37:48.886834+0100 | 2803270 | 2 | Potentially Bad Traffic | 192.168.2.6 | 52399 | 107.151.162.135 | 80 | TCP |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Avira URL Cloud: |
Source: | ReversingLabs: |
Source: | ReversingLabs: |
Source: | Integrated Neural Analysis Model: |
Source: | Static PE information: |
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: |
Source: | Code function: | 0_2_00405E7E | |
Source: | Code function: | 0_2_0040543A | |
Source: | Code function: | 0_2_00402647 |
Networking |
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Source: | Suricata IDS: | ||
Source: | Suricata IDS: |
Source: | TCP traffic: |
Source: | IP Address: | ||
Source: | IP Address: |
Source: | ASN Name: |
Source: | Suricata IDS: |
Source: | HTTP traffic detected: | ||
Source: | HTTP traffic detected: |
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | TCP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: | ||
Source: | UDP traffic detected without corresponding DNS query: |
Source: | HTTP traffic detected: |
Source: | DNS traffic detected: | ||
Source: | DNS traffic detected: |
Source: | HTTP traffic detected: |
Source: | HTTP traffic detected: |