Malicious Office (OLE) / .DOC — malware analysis report

Static analysis result for SHA-256 744212a83ee01318…

MALICIOUS

Office (OLE) / .DOC

32.0 KB Created: 2010-04-07 17:25:00 Authoring application: Microsoft Word 10.0
MD5: 0a4b32f82bcda0902d634c6c9f5132fc SHA-1: 34a25111ada0907a9a0ebccfe6fc1927a3a8fc17 SHA-256: 744212a83ee0131860d7aaa1f2cad81e31c961d934edfdb51a917e11f5f432d3
82 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample contains a VBScript that attempts to copy itself to system and Windows directories as MSKernel32.vbs, Win32DLL.vbs, and LOVE-LETTER-FOR-YOU.TXT.vbs. It also attempts to spread to other drives and emails itself. The script's primary function is to download and execute a second-stage payload from one of the provided URLs, such as http://www.skyinet.net/~young1s/HJKhjnwerhjkxcvytwertnMTFwetrdsfmhPnjw6587345gvsdf7679njbvYT/WIN-BUGSFIX.exe.

Heuristics 3

  • Reference to Windows Script Host high SC_STR_WSCRIPT
    Reference to Windows Script Host
  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • 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://www.skyinet.net/~young1s/HJKhjnwerhjkxcvytwertnMTFwetrdsfmhPnjw6587345gvsdf7679njbvYT/WIN-BUGSFIX.exe�
    • http://www.skyinet.net/~angelcat/skladjflfdjghKJnwetryDGFikjUIyqwerWe546786324hjk4jnHHGbvbmKLJKjhkqj4w/WIN-BUGSFIX.exe�
    • http://www.skyinet.net/~koichi/jf6TRjkcbGRpGqaq198vbFV5hfFEkbopBdQZnmPOhfgER67b3Vbvg/WIN-BUGSFIX.exe�
    • http://www.skyinet.net/~chu/sdgfhjksdfjklNBmnfgkKLHjkqwtuHJBhAFSDGjkhYUgqwerasdjhPhjasfdglkNBhbqwebmznxcbvnmadshfgqw237461234iuy7thjg/WIN-BUGSFIX.exe�
    • http://www.mirc.com�

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