Malicious Office (OLE) / .XLS — malware analysis report

Static analysis result for SHA-256 adba6a073a67c27a…

MALICIOUS

Office (OLE) / .XLS

1.21 MB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel First seen: 2026-06-11
MD5: dc170193bdcf93abe1be1f28b74e64be SHA-1: 94499dd0319867b53fdb6c1669f1fe51bb547b6a SHA-256: adba6a073a67c27ae64f95a22b2cf28f2d9482f97960eaab04c57e4e547d95c7
66 Risk Score

Heuristics 4

  • OLE2Link / URL Moniker → remote loader — CVE-2017-0199 critical CVE likely CVE_2017_0199
    Document contains an embedded OLE link object whose URL Moniker points to a remote URL. When the host file is opened, Office follows the link, downloads the URL, and processes the response based on its Content-Type (HTA -> mshta.exe, RTF → Word, etc.) — the documented CVE-2017-0199 primitive. The URL extension is not a reliable filter; servers can return different payloads to Office's user agent.
  • VBA project contains no executable statements info OLE_VBA_MACROS
    Document contains a VBA project, but extracted modules only contain attributes/options/comments and no executable statements.
  • Suspicious extracted artifact info 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.
  • 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 https://b51.tw/rQ62gdk In document text (OLE body)
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In document text (OLE body)
    • http://ns.adobe.com/exif/1.0/In document text (OLE body)
    • http://ns.adobe.com/xap/1.0/In document text (OLE body)
    • http://ns.adobe.com/xap/1.0/mm/In document text (OLE body)
    • http://ns.adobe.com/xap/1.0/sType/ResourceRef#In document text (OLE body)
    • http://ns.adobe.com/xap/1.0/sType/ResourceEvent#In document text (OLE body)
    • http://purl.org/dc/elements/1.1/In document text (OLE body)
    • http://ns.adobe.com/pdf/1.3/In document text (OLE body)
    • http://www.extensis.com/meta/FontSense/In document text (OLE body)
    • http://ns.adobe.com/photoshop/1.0/In document text (OLE body)
    • http://www.iec.chIn document text (OLE body)

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas vba-macro oletools.olevba.extract_macros (decoded VBA source) 1206 bytes
SHA-256: 7f506327609c082af1cd37dde23bc2c71a000f7d1ef530b6abb66775040a7673
Preview script
First 1,000 lines of the extracted script
Attribute VB_Name = "ThisWorkbook"
Attribute VB_Base = "0{00020819-0000-0000-C000-000000000046}"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = True
Attribute VB_TemplateDerived = False
Attribute VB_Customizable = True

Attribute VB_Name = "Sheet1"
Attribute VB_Base = "0{00020820-0000-0000-C000-000000000046}"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = True
Attribute VB_TemplateDerived = False
Attribute VB_Customizable = True

Attribute VB_Name = "Sheet2"
Attribute VB_Base = "0{00020820-0000-0000-C000-000000000046}"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = True
Attribute VB_TemplateDerived = False
Attribute VB_Customizable = True

Attribute VB_Name = "Sheet3"
Attribute VB_Base = "0{00020820-0000-0000-C000-000000000046}"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = True
Attribute VB_TemplateDerived = False
Attribute VB_Customizable = True
icc_00_off000000d5.icc pdf-icc-profile PDF ICC profile at offset 0xD5 3144 bytes
SHA-256: 40ac1500464668bf7b89ee95c0c74019a6eede9ef014069eeceb45ec2c0b2d3a
icc_01_off000019a6.icc pdf-icc-profile PDF ICC profile at offset 0x19A6 2576 bytes
SHA-256: 261851b60e65c42afc91a549e5be46ddf6c2cd40d3b1ef1f3d946603ad564178
font_00_type1_off0005cd83.bin pdf-font-stream PDF embedded font (type1) at offset 0x5CD83 48978 bytes
SHA-256: 3b5ef7121ba56b7899e1c77bd64f826d73c4c34c4709d4ae3d7f1383d094718f
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact entropy is 7.98, consistent with packed or encrypted content.
font_01_sfnt_off00069020.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69020 41956 bytes
SHA-256: 8d965d94f491d954203975b065cb6cb35466d2edef873194d2c8588cebcc7495

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