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

Static analysis result for SHA-256 1bb3b444b456bdde…

MALICIOUS

Office (OLE) / .DOC

48.5 KB Created: 1999-07-14 09:18:00 Authoring application: Microsoft Word 8.0
MD5: e64710d1d500e799a521ab2881f977c5 SHA-1: df53e21cf8e9a8d0e6fba24472af7504dd0def6f SHA-256: 1bb3b444b456bdde23fff90a160b1cb822be1bea4ad3ca750669b90c20ae011d
120 Risk Score

Malware Insights

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

The sample is a Microsoft Word document containing VBA macros, specifically an AutoOpen macro, which is a common technique for executing malicious code upon opening. The document body discusses Cisco router configuration, likely serving as a lure to trick the user into enabling macros. The ClamAV signature 'Doc.Trojan.Alarm-1' further indicates a Trojan payload. No specific network indicators or further script details were extracted to determine the exact payload or family.

Heuristics 3

  • ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV
    ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
  • AutoOpen macro high OLE_VBA_AUTOOPEN
    AutoOpen macro
  • VBA macros detected medium OLE_VBA_MACROS
    Document contains VBA macro code

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
51b256b6e9992589d7e3977ebd157bbe8162db64d5b1cbfeb67c8491989c8df4
vba-macro oletools.olevba.extract_macros (decoded VBA source) 2907 bytes
Detection
ClamAV: Doc.Trojan.Alarm-1
Obfuscation or payload: unlikely