Emotet — Office (OOXML) / .DOCX malware analysis

Static analysis result for SHA-256 2c685c8ff0a8e26d…

MALICIOUS

Office (OOXML) / .DOCX

123.1 KB Created: 2020-01-30 19:28:00 UTC Authoring application: Microsoft Office Word 16.0000
MD5: 996c0c42376fc56afec09c904696f256 SHA-1: ccaad068e94b742e98fe0714f183532729b4adeb SHA-256: 2c685c8ff0a8e26d07febbe64029b1fbb7e69915b034cd003beaec0dad1256b1
220 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file is detected as Emotet by ClamAV, and contains a Document_Open macro that uses GetObject, indicating a macro-based downloader. The presence of VBA macros and the ClamAV detection strongly suggest this is a malicious document designed to download and execute further malware. The specific ClamAV signature points to the Emotet family.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-7570795-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-7570795-0
  • ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV
    ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • GetObject call high OLE_VBA_GETOBJ
    GetObject call
  • 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
d888e396c8ec4a67d985161a5f1616a87907da1a2a4f0ec970a26a665e3bef07		 vba-macro oletools.olevba.extract_macros (decoded VBA source from OOXML) 5458 bytes
vbaProject_00.bin
b4b013f3434230add1b36e9c823000a91fc5bef6efb930904b49fe50fb6f873e		 vba-project OOXML VBA project: word/vbaProject.bin 41472 bytes
Detection
ClamAV: Doc.Downloader.Emotet-7570795-0
Obfuscation or payload: unlikely

Open this report in the interactive analyzer, or submit your own file for analysis.