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Windows
Analysis Report
TransportLabel_6170453602.xlsx
Overview
General Information
Detection
GuLoader
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Found malware configuration
Sigma detected: EQNEDT32.EXE connecting to internet
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Sigma detected: File Dropped By EQNEDT32EXE
Antivirus detection for URL or domain
Multi AV Scanner detection for dropped file
Yara detected GuLoader
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Shellcode detected
Office equation editor drops PE file
Tries to detect virtualization through RDTSC time measurements
C2 URLs / IPs found in malware configuration
Office equation editor establishes network connection
Drops PE files to the user root directory
May sleep (evasive loops) to hinder dynamic analysis
Contains functionality to shutdown / reboot the system
Uses code obfuscation techniques (call, push, ret)
PE file contains sections with non-standard names
Internet Provider seen in connection with other malware
Detected potential crypto function
Contains functionality to dynamically determine API calls
Found dropped PE file which has not been started or loaded
Downloads executable code via HTTP
Abnormal high CPU Usage
Potential document exploit detected (unknown TCP traffic)
PE file contains strange resources
Drops PE files
Contains functionality to read the PEB
Uses a known web browser user agent for HTTP communication
Contains functionality to download and execute PE files
Office Equation Editor has been started
Contains functionality to download and launch executables
PE file contains more sections than normal
Drops PE files to the user directory
Potential document exploit detected (performs HTTP gets)
Allocates memory within range which is reserved for system DLLs (kernel32.dll, advapi32.dll, etc)
Creates a process in suspended mode (likely to inject code)
Contains functionality for read data from the clipboard
Classification
- System is w7x64
- EXCEL.EXE (PID: 2452 cmdline:
"C:\Progra m Files\Mi crosoft Of fice\Offic e14\EXCEL. EXE" /auto mation -Em bedding MD5: D53B85E21886D2AF9815C377537BCAC3)
- EQNEDT32.EXE (PID: 2644 cmdline:
"C:\Progra m Files\Co mmon Files \Microsoft Shared\EQ UATION\EQN EDT32.EXE" -Embeddin g MD5: A87236E214F6D42A65F5DEDAC816AEC8) - vbc.exe (PID: 2156 cmdline:
"C:\Users\ Public\vbc .exe" MD5: D5E55A57372BCAD45FBB260105179CAF)
- cleanup
{"Payload URL": "http://barsam.com.au/bin_QuCucbUMda229.bin"}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_GuLoader_2 | Yara detected GuLoader | Joe Security |
Exploits |
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Source: | Author: Joe Security: |
Source: | Author: Joe Security: |
⊘No Snort rule has matched
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Malware Configuration Extractor: |
Source: | ReversingLabs: |
Source: | Avira URL Cloud: |
Source: | Metadefender: | Perma Link | ||
Source: | ReversingLabs: |
Exploits |
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Source: | Process created: | |||
Source: | Process created: | Jump to behavior |
Source: | Network connect: | Jump to behavior |
Source: | Process created: |
Source: | File opened: | Jump to behavior |
Source: | Binary string: | ||
Source: | Binary string: |
Source: | Code function: | 4_2_00406850 | |
Source: | Code function: | 4_2_00405C26 | |
Source: | Code function: | 4_2_0040290B |
Software Vulnerabilities |
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Source: | Code function: | 2_2_0357051B | |
Source: | Code function: | 2_2_03570435 | |
Source: | Code function: | 2_2_035704BA | |
Source: | Code function: | 2_2_035703C5 | |
Source: | Code function: | 2_2_0357044F | |
Source: | Code function: | 2_2_03570390 | |
Source: | Code function: | 2_2_03570504 | |
Source: | Code function: | 2_2_03570539 | |
Source: | Code function: | 2_2_035703A9 |
Source: | TCP traffic: |
Source: | TCP traffic: |
Source: | Memory has grown: |
Networking |
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Source: | URLs: |
Source: | ASN Name: |
Source: | HTTP traffic detected: |