Office (OLE) / .DOC malware analysis — malicious · 5559a0af254ec919

MALICIOUS

Office (OLE) / .DOC

387.5 KB Created: 2021-05-10 22:37:00 Authoring application: Microsoft Office Word

MD5: 7ea976fa35d432a5f1fbd95fedb6b491 SHA-1: 372fbcd853b6e3143abce13481b38a398a18d1c2 SHA-256: 5559a0af254ec91974ee7dbc6e48ded1b27e0b0bba31e8a5a7c3d935cbb3a134

220 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The sample contains VBA macros, including a Document_Open auto-execution macro, which is indicative of malicious intent. The script utilizes CreateObject and references Windows Script Host, suggesting it is designed to download and execute a second-stage payload from the embedded URL http://31.210.20.6/w2/Qquabsz.ex. The presence of these elements strongly suggests a downloader or droppper attack pattern.

Heuristics 7

Reference to Windows Script Host high SC_STR_WSCRIPT

Reference to Windows Script Host
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXEC

Compiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
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
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://31.210.20.6/w2/Qquabsz.ex
- http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `f012dc094d3bdb82ac24d17c89a391871c117e5c33fdf59f56e1ff94788ba623`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	876 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved macro source contains an auto-exec entry point and execution/download terms.

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