IcedID — Office (OOXML) / .DOC malware analysis

Static analysis result for SHA-256 c8f62e247bcbc8a7…

MALICIOUS

Office (OOXML) / .DOC

153.1 KB Created: 2020-10-27 16:43:00 UTC Authoring application: Microsoft Office Word 16.0000
MD5: d2e3833a2c15aea6599ed61e4fa8c603 SHA-1: e396babc557ba46e34df906aea3e158a46cc54b1 SHA-256: c8f62e247bcbc8a7ac0e0aa80eb8a1022ba962dfe2edfb590a96aa7182b650f4
200 Risk Score

Malware Insights

IcedID · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The file contains VBA macros, including an AutoOpen macro, which is a common technique for initial execution. The ClamAV signature specifically identifies it as 'Doc.Dropper.IcedID-9799485-1', strongly suggesting the IcedID family. The presence of CreateObject calls further indicates the macro's intent to execute code, likely to download and run a second-stage payload. The embedded URLs are confirmed benign, so the primary IOC is the file hash.

Heuristics 6

  • ClamAV: Doc.Dropper.IcedID-9799485-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Dropper.IcedID-9799485-1
  • AutoOpen macro high OLE_VBA_AUTOOPEN
    AutoOpen macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • 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 inside OOXML medium OOXML_VBA
    Document contains vbaProject.bin — VBA macros present
  • 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 http://schemas.microsoft.com/office/word/2010/wordprocessingCanvas
    • http://schemas.microsoft.com/office/drawing/2014/chartex
    • http://schemas.microsoft.com/office/drawing/2015/9/8/chartex
    • http://schemas.microsoft.com/office/drawing/2015/10/21/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/9/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/10/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/11/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/12/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/13/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/14/chartex
    • http://schemas.openxmlformats.org/markup-compatibility/2006
    • http://schemas.microsoft.com/office/drawing/2016/ink
    • http://schemas.microsoft.com/office/drawing/2017/model3d
    • http://schemas.openxmlformats.org/officeDocument/2006/relationships
    • http://schemas.openxmlformats.org/officeDocument/2006/math
    • http://schemas.microsoft.com/office/word/2010/wordprocessingDrawing
    • http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing
    • http://schemas.openxmlformats.org/wordprocessingml/2006/main
    • http://schemas.microsoft.com/office/word/2010/wordml
    • http://schemas.microsoft.com/office/word/2012/wordml
    • http://schemas.microsoft.com/office/word/2018/wordml/cex
    • http://schemas.microsoft.com/office/word/2016/wordml/cid
    • http://schemas.microsoft.com/office/word/2018/wordml
    • http://schemas.microsoft.com/office/word/2015/wordml/symex
    • http://schemas.microsoft.com/office/word/2010/wordprocessingGroup
    • http://schemas.microsoft.com/office/word/2010/wordprocessingInk
    • http://schemas.microsoft.com/office/word/2006/wordml
    • http://schemas.microsoft.com/office/word/2010/wordprocessingShape

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
b325d0cc3c3403900305610b0715d81ff225d3171459c7a33b19e5605f9ebbf6		 vba-macro oletools.olevba.extract_macros (decoded VBA source from OOXML) 14069 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved macro source contains an auto-exec entry point and execution/download terms.
vbaProject_00.bin
9b2ef750c1a557300120b131988e690f02fecb43e7060d6458f130aa74a52ed5		 vba-project OOXML VBA project: word/vbaProject.bin 49664 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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