Powload Office (OLE) / .DOC malware analysis — malicious · ee12d6a7678d385c

MALICIOUS

Office (OLE) / .DOC

161.6 KB Created: 2019-05-02 11:37:00 Authoring application: Microsoft Office Word

MD5: 9b58406a548c3db723f3d6e7370903b7 SHA-1: ee663c240030897a214a1c2b56a29476af773611 SHA-256: ee12d6a7678d385cad6d92d505223faf379e765e2e4aa55694b49d462445ae64

260 Risk Score

Malware Insights

Powload · confidence 95%

MITRE ATT&CK

T1059.001 PowerShell T1218.011 System Binary Proxy Execution: Rundll32

The sample contains VBA macros, including an AutoOpen macro, which is a common delivery mechanism for malware. The critical heuristic OLE_VBA_WMI_PROCESS_CREATE indicates that the macros attempt to launch a process using WMI. ClamAV detection confirms this is a known downloader variant, specifically 'Doc.Downloader.Powload-6960273-0'. The macros likely download and execute a second-stage payload.

Heuristics 7

VBA WMI Win32_Process launcher critical OLE_VBA_WMI_PROCESS_CREATE

VBA macro builds or references a WMI moniker for Win32_Process and invokes .Create to start a command. This is a high-confidence macro execution chain that often hides the WMI class name through string concatenation or helper functions.
ClamAV: Doc.Downloader.Powload-6960273-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Powload-6960273-0
AutoOpen macro high OLE_VBA_AUTOOPEN

AutoOpen macro
GetObject call high OLE_VBA_GETOBJ

GetObject 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.
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://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `77a3ca405b4a457e6907cc949caffe34d25a4faadb87e3c09a72af139f00dfed`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	32160 bytes

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