Office (OLE) / .DOC malware analysis — malicious · b22456e1022933a1

MALICIOUS

Office (OLE) / .DOC

34.5 KB Created: 2020-05-06 08:55:00 Authoring application: Microsoft Office Word

MD5: 91c007d056575d88d0e79425beade804 SHA-1: de39f51fca12cd6fb33037158a69580f9770241b SHA-256: b22456e1022933a13225b43a9e57f1a532174ee25fca2403817edfee02e7b872

140 Risk Score

Malware Insights

MITRE ATT&CK

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

The sample contains VBA macros, including an AutoOpen macro, which is a common delivery mechanism. The heuristics indicate the use of WinExec and visible LOLBin command execution. The embedded URL http://lfcsghosi.co.in///test.sct is likely used to download and execute a malicious script, which is a common attack pattern for this type of document.

Heuristics 5

Reference to WinExec API high SC_STR_WINEXEC

Reference to WinExec API
AutoOpen macro high OLE_VBA_AUTOOPEN

AutoOpen macro
Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMAND

Document contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
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://lfcsghosi.co.in///test.sct
- http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `4e04524e48d995fe8ee7233f2bb9bb4592b3c0037709e404eb4d2e92c5f867db`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1465 bytes

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