Win.Trojan.Tanjung-1 — Office (OLE) malware analysis

Static analysis result for SHA-256 fcfeef80e61ff587…

MALICIOUS

Office (OLE)

7.0 KB First seen: 2012-06-14
MD5: cccbd0a8e0891912effc50a022b3f5a0 SHA-1: 02bffcb9f13f3b891b81aa145525ad37fc0d5dc1 SHA-256: fcfeef80e61ff58717afb6044b681f92e1f84708f8be2a4bd1df2701502a8b81
100 Risk Score

Malware Insights

Win.Trojan.Tanjung-1 · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic

The sample exhibits characteristics of a legacy WordBasic macro virus, specifically identified as 'RSN MACRO VIRUS' and 'Win.Trojan.Tanjung-1'. The presence of AutoOpen and related macro functions suggests an intent to execute malicious code automatically when the document is opened. The extracted file paths and document names indicate potential attempts to infect system files or spread via macro templates.

Heuristics 2

  • ClamAV: Win.Trojan.Tanjung-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Tanjung-1
  • Legacy WordBasic macro-virus markers high OLE_LEGACY_WORDBASIC_MACRO_VIRUS
    OLE Word document contains legacy WordBasic auto-execution macro markers such as AutoOpen plus ToolsMacro/MacroFile/fileMacro/globMacro or named historical macro-virus strings. These old Word 6/95 macro forms are not exposed as a modern VBA project, so normal VBA source extraction can miss them.

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