Office (OLE) / .DOC malware analysis — malicious · e0c0ce95ec579e96

MALICIOUS

Office (OLE) / .DOC

521.5 KB Created: 2021-09-08 12:01:00

MD5: ea4d23f3054d3619f2e4e8fdf052263e SHA-1: 1ea5eb06607dda02a6b3cfb9476cb101ff823e49 SHA-256: e0c0ce95ec579e96e6ccfa47414cc7988aaea330bf55cb238c951405ca2006f1

104 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic for Applications

The sample contains a VBA macro that executes upon opening the document. This macro attempts to disable security warnings and then opens a password-protected document named 'reform.doc' with the password '2281337'. The macro also attempts to write to several registry keys related to Office security settings, likely to facilitate further malicious activity. The presence of the Document_Open macro and the attempt to bypass security measures indicate a malicious intent to deliver a payload or perform further actions.

Heuristics 5

Office EPRINT stream contains EMF object high CVE related OLE_EPRINT_EMF_OBJECT

OLE ObjectPool contains an EPRINT stream with EMF data. This is rare in normal documents and is CVE-2007-3893/MS07-046-family evidence when paired with Office exploit payload anomalies, but the malformed EMF record is not proven by this rule alone.
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
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.microsoft.com/office/2006/encryption
- http://schemas.microsoft.com/office/2006/keyEncryptor/password
- http://schemas.microsoft.com/office/2006/keyEncryptor/certificate
- http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `0a06014613143cbe2a99a6668797fa75d777745e4cb0cc3d3e516c00f52b7709`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2886 bytes
`ole10native_00.bin` `c14c2950f2bf2b0b9f45bae327f4a499e0e0703355490ddb15278dfc2f446340`	ole-package	OLE Ole10Native stream: ObjectPool/_1692582292/Ole10Native	340801 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 7.98, consistent with packed or encrypted content.

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