Office (OLE) / .XLS malware analysis — malicious · ef0f9ad4cf758af1

MALICIOUS

Office (OLE) / .XLS

452.0 KB Created: 2020-10-13 21:52:06

MD5: 7460ef8f9071d41fc59c1f22f7621130 SHA-1: eff2284f854616e8ac8e83105b450ac1a94c040a SHA-256: ef0f9ad4cf758af1bc1f43177a331ca2d36bd358664a618b40ff07e966d37f4e

220 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The sample contains a Workbook_Open macro that executes a PowerShell command. This command downloads a file from http://35.178.75.69/8/067470.jpg and saves it as C:\Users\Public\Videos\lbgedgh.exe, then executes the downloaded file. This indicates a downloader or droppper functionality.

Heuristics 7

Reference to PowerShell high SC_STR_POWERSHELL

Reference to PowerShell
Workbook_Open macro high OLE_VBA_WBOPEN

Workbook_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
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
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://35.178.75.69/8/067470.jpg

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `79e262afe919caca4df602f6cd4a2d3ee0092a38419090d7dcdd407eeaf6a422`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1776 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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