Office (OLE) / .XLS malware analysis — malicious · 29c65d4ad00f4134

MALICIOUS

Office (OLE) / .XLS

41.0 KB Created: 2015-06-05 18:17:20 Authoring application: Microsoft Excel

MD5: ce0091a2b297798f9f7e4b686745beab SHA-1: 8ef1482add08bf82744a8b7cc75d598aa590b007 SHA-256: 29c65d4ad00f4134b8f56f3b19a5880b1e81e24a037cb431efad92eda57d2b26

120 Risk Score

Malware Insights

MITRE ATT&CK

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

The presence of VBA macros and a ShellExecute API reference strongly suggests malicious intent. The extracted VBA code, though partially obfuscated, indicates the execution of scripts and potentially the creation of objects to download and run further payloads. The document body's content is highly obfuscated and does not provide clear user-facing lures.

Heuristics 4

Reference to ShellExecute API high SC_STR_SHELLEXEC

Reference to ShellExecute API
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
VBA macros detected medium OLE_VBA_MACROS

Document contains VBA macro code
Suspicious extracted artifact medium 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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `6a697eae50957dbbffdc539bcba60a39db6c18bce69788efb6c91fb39434aa8a`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1350 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 shell/COM execution token(s).

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