Office (OLE) / .PPT malware analysis — malicious · b5805e39212764c8

MALICIOUS

Office (OLE) / .PPT

63.5 KB Created: 2021-03-14 23:15:17 Authoring application: Microsoft Office PowerPoint

MD5: 2d756f01b73abefabe75278d95196ef7 SHA-1: d1eb98a95a8d43d0eea373a52db6e4ebc0981b48 SHA-256: b5805e39212764c862be2a08240645a996b89526ab2fbbb3bb541864de2d04ee

280 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1218.005 System Binary Proxy Execution: Mshta

The file contains a VBA Auto_Open macro that utilizes the Shell() function, a critical finding indicating execution of external commands. Heuristics confirm the use of mshta.exe and a visible LOLBin command execution instruction. The macro's primary function appears to be downloading and executing a second-stage payload, as suggested by the combination of Auto_Open, Shell(), and mshta.exe references. No specific family could be identified.

Heuristics 8

Shell() call in VBA critical OLE_VBA_SHELL

Shell() call in VBA
Reference to mshta.exe high SC_STR_MSHTA

Reference to mshta.exe
Auto_Open macro high OLE_VBA_AUTO

Auto_Open macro
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.
Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMAND

Document contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
Suspicious extracted artifact high 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.
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 https://%6786d78asd6786d78asd%6786d78asd%6786d78asd@j.mp/jasidjaddaaoasdoj

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `c146bcd26b55139fb7cb88647d5c85a52f8b00285fb03386fda1e1814b78fbf7`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	722 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved macro source contains an auto-exec entry point and execution/download terms.

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