Malicious RTF — malware analysis report

Static analysis result for SHA-256 97847af0ff77271e…

MALICIOUS

RTF

54.7 KB
MD5: 71893ce5a1321995c1673f3fbc816b87 SHA-1: d5eedb892ec059ec1b7667a37389dc4967809037 SHA-256: 97847af0ff77271eccdcd4ee5f9b5ebc8fa53707740c8390894fd64c69f3d7e3
80 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1071.001 Web Protocols

The RTF file contains embedded PHP IRC bot source code, as indicated by the 'RTF_PHP_IRC_BOT_SOURCE' heuristic. The code is configured to connect to IRC channels and appears to download additional commands or payloads from various URLs. The presence of 'SE_LOLBIN_RUN_COMMAND' suggests that the embedded code may leverage Windows scripting tools to execute commands. The primary intent of the script is to establish an IRC-controlled botnet, likely for launching attacks or exfiltrating data, using the listed URLs as command and control or payload sources.

Heuristics 3

  • PHP IRC bot source embedded in RTF high RTF_PHP_IRC_BOT_SOURCE
    RTF document contains PHP source code with IRC socket connection logic, IRC protocol commands, and bot-control indicators. The RTF is acting as a wrapper for bot source rather than an exploit that executes when opened.
  • Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMAND
    Document contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://pakmin.yourfreehosting.net/perkakas/cmd.txt
    • http://uaedesign.com/config/idfx.txt
    • http://legalref.ru/cyberz/logs/fxscanlogger.php
    • http://brojolelle.org/bnc/cerewet.txt
    • http://legalref.ru/cyberz/installpsy.txt
    • http://legalref.ru/cyberz/logs/target.txt
    • http://localhost/toolz/id.txt
    • http://localhost/toolz/fxscanlogger.php
    • http://localhost/toolz/uploadshell.txt
    • http://localhost/toolz/installpsy.txt
    • http://localhost/toolz/target.txt
    • http://h1.ripway.com/bsnet/a.txt
    • http://83.222.131.90/~legitimi/mybase/r57.txt
    • http://politics.wwf.gr/help/css/faq.txt
    • http://galee/preman/r57/shell

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