Office (OLE) / .DOC malware analysis — malicious · 59633a056cf5f329

MALICIOUS

Office (OLE) / .DOC

52.5 KB Created: 2010-09-08 13:53:00 Authoring application: Microsoft Word 10.0

MD5: 8cfc36222086038f083fb7b9cb0a6ba8 SHA-1: ba23515c543131c6acd6d3cf7fca3352de395c73 SHA-256: 59633a056cf5f329232c16d67259e4768c5be1bce3661d00d1111f40c6288ce1

260 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic for Applications T1204.002 Malicious File

The file is a malicious OLE document containing VBA macros, as indicated by multiple high and critical heuristic firings, including ClamAV detections. The document body presents a business proposal for a PBS pledge program, likely intended to trick the user into enabling macros. No scripts were extracted, but the presence of VBA macros and the ClamAV detection strongly suggest a malicious intent, likely to download and execute a secondary payload.

Heuristics 6

ClamAV: Doc.Trojan.Tristate-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Trojan.Tristate-1
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.
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
GetObject call high OLE_VBA_GETOBJ

GetObject call
Suspicious extracted artifact high EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
VBA macros detected medium OLE_VBA_MACROS

Document contains VBA macro code

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `dc8a1703fe090b4047c73221cce0a84a5352e174c04fcc86b2326907a78e4540`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	9246 bytes
Detection ClamAV: Doc.Trojan.Tristate-1 Obfuscation or payload: likely Carved artifact contains 12 Chr/ChrW string-construction calls. Carved macro source contains an auto-exec entry point and execution/download terms.

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