Office (OLE) / .XLS malware analysis — malicious · 50fd8b324a55bac7

MALICIOUS

Office (OLE) / .XLS

64.0 KB Created: 2020-04-13 07:35:51 Authoring application: Microsoft Excel

MD5: 9e8d327527eb11ccbd7a14b45c4407ff SHA-1: b9c730151b33ca52c62eb8d6f74cb6ffb8799419 SHA-256: 50fd8b324a55bac7ef5a36e93e27798b55d5b3cdf91289a628de7812c02e197f

300 Risk Score

Malware Insights

MITRE ATT&CK

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

The file contains VBA macros that utilize WScript.Shell and CreateObject, indicating an intent to execute arbitrary code. The ClamAV detection 'Doc.Dropper.Agent-7676469-0' strongly suggests this is a dropper. The macros likely download and execute a second-stage payload, a common technique for malware delivery.

Heuristics 7

Shell() call in VBA critical OLE_VBA_SHELL

Shell() call in VBA
WScript.Shell usage critical OLE_VBA_WSCRIPT

WScript.Shell usage
ClamAV: Doc.Dropper.Agent-7676469-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Dropper.Agent-7676469-0
Reference to Windows Script Host high SC_STR_WSCRIPT

Reference to Windows Script Host
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` `d4cf269117564a9b19daedf1ce2753fbbcdaa8c8342e9ee8a6f8055bc679edfd`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1387 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 shell/COM execution token(s).

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