Office (OLE) / .PPT malware analysis — malicious · 8a7eedce7576affb

MALICIOUS

Office (OLE) / .PPT

82.5 KB Created: 2021-07-28 16:40:39 Authoring application: Microsoft Office PowerPoint

MD5: e2c84712e1b4ff68b9d85729dbda044a SHA-1: c095064894d2ac8c0864d68d5de14324e49ce010 SHA-256: 8a7eedce7576affb0bcb4fad28a5fdb6c5581efa956aaba80193c18b475266c4

220 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File T1059.003 Windows Command Shell

The Auto_Open macro in the embedded VBA script is designed to execute a command. This command reconstructs a URL from concatenated strings and passes it to cmd.exe, likely to download and execute a second-stage payload. The reconstructed URL is "https://www.bitly.com/tuiwqgdbhsavdbnasvdkasghdhkjas". The presence of CreateProcess API references and cmd.exe usage further supports this malicious intent.

Heuristics 6

Reference to CreateProcess API high SC_STR_CREATEPROCESS

Reference to CreateProcess API
Auto_Open macro high OLE_VBA_AUTO

Auto_Open macro
cmd.exe reference in VBA high OLE_VBA_CMD

cmd.exe reference in VBA
LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND

Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `9f34a13b1be8cea46665778f4925d2a2789701cc1077ea11df5d2e84b95777bb`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	6062 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 shell/COM execution token(s). Carved macro source contains an auto-exec entry point and execution/download terms.

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