Xls.Dropper.Agent-6290851-0 — Office (OLE) malware analysis

Static analysis result for SHA-256 2df5549b400754f1…

MALICIOUS

Office (OLE)

28.0 KB Created: 2012-05-29 20:09:59 Authoring application: Microsoft Excel First seen: 2014-09-26
MD5: 305d7967d0d948329c01fa30134c1ae1 SHA-1: 8391e153cf3015022d86388ce9307d87e29b06f3 SHA-256: 2df5549b400754f15d1fb2cf8ab7e080f7b8373bdfe6795995b973446c4c1fa9
108 Risk Score

Malware Insights

Xls.Dropper.Agent-6290851-0 · confidence 95%

MITRE ATT&CK
T1203 Exploitation for Client Execution

The file is identified as malicious by ClamAV and exhibits a critical heuristic firing for CVE-2012-0158, a known vulnerability in MSCOMCTL.ListView. This indicates the file is designed to exploit this vulnerability for initial execution. No document body or scripts were available for further analysis, but the exploit itself is sufficient to classify the attack pattern.

Heuristics 3

  • MSCOMCTL.ListView — CVE-2012-0158 high CVE likely CVE_2012_0158
    MSCOMCTL.ListView — CVE-2012-0158
  • ClamAV: Xls.Dropper.Agent-6290851-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Xls.Dropper.Agent-6290851-0
  • VBA project contains no executable statements low OLE_VBA_MACROS
    Document contains a VBA project, but extracted modules only contain attributes/options/comments and no executable statements.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas vba-macro oletools.olevba.extract_macros (decoded VBA source) 368 bytes
SHA-256: 1f4657a67754171a91821bdcf0ac4e4853bccc1364c1966edd3a303b073a2d0b
Preview script
First 1,000 lines of the extracted script
Attribute VB_Name = "Ëèñò1"
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_Control = "ListView1, 1, 0, MSComctlLib, ListView"

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