Office (OLE) / .PPT malware analysis — malicious · d5ebc984103cd772

MALICIOUS

Office (OLE) / .PPT

68.5 KB Created: 2021-11-01 21:19:31 Authoring application: Microsoft Office PowerPoint

MD5: 38a42a2b200f841380c1d55a9a1c3da4 SHA-1: 48bf53cc578c82f827bb1a994cd9b0469fd9bd4a SHA-256: d5ebc984103cd772de9690cc7b36423eceb3ae3b3e522dd04f3319a92398aff8

242 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File T1059.003 Windows Command Shell

The Auto_Open VBA macro within the presentation file utilizes ShellExecute to open the URL "https://bitly.com/etywuiqdhbsgjj". This indicates the macro's intent is to download and execute a second-stage payload from the provided URL. The presence of ShellExecute and mshta.exe references, along with the Auto_Open macro, strongly suggests a malicious document designed for initial payload delivery.

Heuristics 8

Reference to ShellExecute API high SC_STR_SHELLEXEC

Reference to ShellExecute API
Reference to mshta.exe high SC_STR_MSHTA

Reference to mshta.exe
Auto_Open macro high OLE_VBA_AUTO

Auto_Open 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
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 https://bitly.com/etywuiqdhbsgjj�
- https://bitly.com/etywuiqdhbsgjj

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `fe85649d4a31486fa06baae5769fc354ecc7af6b853e8b2009b584008d6f6d62`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1164 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 shell/COM execution token(s).

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