Office (OLE) / .DOC malware analysis — malicious · 9594c0bb6f012932

MALICIOUS

Office (OLE) / .DOC

139.5 KB Created: 2010-05-28 03:20:00 Authoring application: Microsoft Office Word

MD5: ca7a9202a72ab95ef7e6c1bbdf38b719 SHA-1: b3874768c2706fa71595113beb0c7389317ec871 SHA-256: 9594c0bb6f012932d4daa4615d62802c1ad03b2b9d3374d8938760fdb9614f03

188 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The file is identified as malicious by ClamAV with the signature Doc.Trojan.WhiteIce-1. Static analysis detected a heap-spray pattern and a VBA auto-execution mechanism that uses shell execution. Although the VBA project contains no executable statements, the presence of the auto-execution token and the heap spray pattern strongly suggest an attempt to exploit a vulnerability. The document body contains text related to student party member responsibilities, which appears to be a lure.

Heuristics 5

ClamAV: Doc.Trojan.WhiteIce-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Trojan.WhiteIce-1
Heap-spray pattern detected high SC_HEAP_SPRAY

Repeated 0x41 (A) bytes found
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.
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 project contains no executable statements low OLE_VBA_MACROS

Document contains a VBA project, but extracted modules only contain attributes/options/comments and no executable statements.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `1e7af94f74f65577a73b8f9e9aaf1ebea3b9715de86be2bc982ab74aba83a3ec`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	65299 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 92 long base64-like blob(s). Carved macro source contains an auto-exec entry point and execution/download terms.

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