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Edit tourAnalysis Report Adjunto K_23165.doc
Overview
General Information
| Sample Name: | Adjunto K_23165.doc |
| Analysis ID: | 369338 |
| MD5: | 0687dd1c4250049abd4c224485512ffd |
| SHA1: | ec31df47e6c68125b5bdc9355ee5abd23d82fdbe |
| SHA256: | 6cb7ee70743f849d9c174fb6b6d672b11d7dcb0f208f869f58deb7956119500e |
| Infos: | |
Most interesting Screenshot:  | |
Detection
| Score: | 100 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 100% |
Signatures
Antivirus detection for URL or domain
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Creates processes via WMI
Document contains an embedded VBA with many GOTO operations indicating source code obfuscation
Encrypted powershell cmdline option found
Potential dropper URLs found in powershell memory
PowerShell case anomaly found
Sigma detected: Suspicious Encoded PowerShell Command Line
Suspicious powershell command line found
Very long command line found
Allocates a big amount of memory (probably used for heap spraying)
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected potential crypto function
Document contains an embedded VBA macro which executes code when the document is opened / closed
Document contains embedded VBA macros
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
HTTP GET or POST without a user agent
Internet Provider seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
Potential document exploit detected (performs DNS queries)
Potential document exploit detected (performs HTTP gets)
Potential document exploit detected (unknown TCP traffic)
Queries the volume information (name, serial number etc) of a device
Uses code obfuscation techniques (call, push, ret)
Very long cmdline option found, this is very uncommon (may be encrypted or packed)
Yara signature match
Classification
Startup |
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