Office (OLE) / .XLS malware analysis — malicious · 9102836463c2d92a

MALICIOUS

Office (OLE) / .XLS

28.0 KB Created: 2021-04-13 13:37:17 Authoring application: Microsoft Excel

MD5: c261ef7fec717e5dc11adce0174593c5 SHA-1: d9dcaa68ca000e5b2c1b589688d61cab7ab1cc64 SHA-256: 9102836463c2d92a62c730a869acc1a6616286c2ffe1bc6874ad0e4a3aeb18c2

182 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The presence of a Workbook_Open macro, combined with CreateObject calls and VBA p-code execution, strongly indicates malicious intent. The embedded URL is likely used to download and execute a second-stage payload. No document body text was available for analysis, but the script behavior is clear.

Heuristics 6

Workbook_Open macro high OLE_VBA_WBOPEN

Workbook_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 — context-specific rules above attribute URLs they actually evaluated; this rule lists URLs that were present in the bytes but were not otherwise tied to a specific finding.

URL http://209.141.61.124/Q-2/54fr-0x275.ex

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `97d7cf350fdca7dce1ab7ac9218610e68d92c7ae8bde6bfe33094d2742bac5d3`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1239 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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