Office (OLE) / .DOC malware analysis — malicious · 7c65acda53539747

MALICIOUS

Office (OLE) / .DOC

130.0 KB Created: 2020-01-17 01:42:00 Authoring application: Microsoft Office Word

MD5: ac045fc7d812d6000bda275470b64fed SHA-1: d736db1e48fdc1c77c4eda901e427cef8bf0ab21 SHA-256: 7c65acda5353974762ee0c68ee4a675298f1e48e5162d3072f6beb43a517619b

204 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.005 Visual Basic T1204.002 Malicious File

This OLE document contains VBA macros that reference ShellExecute and GetObject APIs, indicative of malicious activity. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' strongly suggests the document's purpose is to prompt the user for a password to decrypt a payload, a common tactic for bypassing gateway security. The VBA macro code, while obfuscated, calls other subroutines and functions, likely to download and execute a second-stage payload.

Heuristics 7

ClamAV: Doc.Dropper.Agent-7546574-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Dropper.Agent-7546574-0
Reference to ShellExecute API high SC_STR_SHELLEXEC

Reference to ShellExecute API
GetObject call high OLE_VBA_GETOBJ

GetObject call
Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
VBA macros detected medium OLE_VBA_MACROS

Document contains VBA macro code
Suspicious extracted artifact info 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.
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://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `bb006a097da0f039788345a0f2a37453c269135659f6dfcbcc3ba694aa784d05`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	10983 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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