Office (OLE) / .DOC malware analysis — malicious · 592e950e2442fd5a

MALICIOUS

Office (OLE) / .DOC

1.83 MB Created: 2024-11-28 11:20:00 Authoring application: Microsoft Office Word45Normal.dotm@氀璌⪿

MD5: 3e74d1989d893294e6db22bc7b4ce378 SHA-1: e3e5c32f0c78850a9c6df721e99ab3f9c89d2e85 SHA-256: 592e950e2442fd5aaa2e03a2ce7af0fa8513070268e8035a43d4a4be4de5955a

160 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.003 Windows Command Shell

The file contains VBA macros that utilize the Shell() function, a common technique for executing arbitrary commands. The presence of 'VBA Chr string obfuscation' and the detection of CreateObject calls suggest the macro is designed to download and execute a secondary payload. Without further analysis of the macro's code or network activity, the specific family remains unknown.

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` `fdcbb2d1f922994544f1fa9ce6e01d4184cd38dc34d67a2063b721c3fad04799`	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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