Office (OLE) / .DOC malware analysis — malicious · a2ecc1ceb8be8bd6

MALICIOUS

Office (OLE) / .DOC

1.83 MB Created: 2024-11-28 11:20:00 Authoring application: Microsoft Office Word43Normal@騀ू⫂

MD5: 98ba1ce95cc00823a596b00935a7f995 SHA-1: 1af147b2a2ee6eb3e4d8dfa61b8d2b565f0f2b88 SHA-256: a2ecc1ceb8be8bd6565af2c5f59a9a705611e0cff5b862f0fd40b056c6ae652b

160 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.003 Windows Command Shell

The file contains VBA macros, including a Shell() call and CreateObject calls, indicating it is designed to execute arbitrary code. The presence of VBA Chr string obfuscation suggests an attempt to hide malicious functionality. The primary function appears to be downloading and executing a secondary payload, typical of a downloader malware.

Heuristics 4

Shell() call in VBA critical OLE_VBA_SHELL

Shell() call in VBA
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject 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` `e5d241a7f3fc0450d17c78f3dcf3ba113184d665f17fa1aa6d86791b3987f274`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2727395 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 301 Chr/ChrW string-construction calls.

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