Office (OLE) / .PPT malware analysis — malicious · d7c758f7600f3d40

MALICIOUS

Office (OLE) / .PPT

72.0 KB Created: 2020-06-23 18:50:28 Authoring application: Microsoft Office PowerPoint

MD5: 38581bd43310f2be9b9c09b0a84773e8 SHA-1: 7016455d443a506d4e2ddfd996f4a2fc41a0d2f0 SHA-256: d7c758f7600f3d40da01b58f02da284e3bd832ce66b953c637e503004ace5385

320 Risk Score

Malware Insights

MITRE ATT&CK

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

The sample is a PowerPoint file containing VBA macros, specifically an Auto_Close macro that utilizes WScript.Shell to execute arbitrary code. This indicates a likely downloader or dropper functionality. The presence of 'WScript.Shell usage' and 'Shell() call in VBA' heuristics strongly suggests the macro's intent is to download and execute a second-stage payload. No specific family could be identified, but the techniques used are common for initial compromise.

Heuristics 9

Shell() call in VBA critical OLE_VBA_SHELL

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

WScript.Shell usage
Reference to Windows Script Host high SC_STR_WSCRIPT

Reference to Windows Script Host
Auto_Close macro high OLE_VBA_AUTOCLOSE

Auto_Close 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.
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.
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://%20%20@j.mp/asasdsdasasdasdasddkasodkaos

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `de20c07449754984cbd00e2cbf6fb75398e4aec321b4238a4a3456434e2c23e1`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	590 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 shell/COM execution token(s).

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