Malicious Office (OOXML) — malware analysis report

Static analysis result for SHA-256 ab63084bc514e52d…

MALICIOUS

Office (OOXML)

41.6 KB Created: 2021-06-22 12:43:05 UTC Authoring application: Microsoft Excel 16.0300
MD5: b831f6d1e3bcba86ff2c425c3d0e2e2a SHA-1: 4cfe12ba1127c0f473c305813010d515826ce8da SHA-256: ab63084bc514e52d68c1dd08484c1528c518e70dab895aaf49c52bf9e471e771
160 Risk Score

Malware Insights

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

The Excel document contains VBA macros that reference cmd.exe and PowerShell. The critical heuristic OLE_VBA_PS indicates a PowerShell reference within the VBA, suggesting the macro is designed to execute a PowerShell command. This is often used to download and execute further malicious content. The GetObject call heuristic also suggests potential for object manipulation or execution.

Heuristics 4

  • PowerShell reference in VBA critical OLE_VBA_PS
    PowerShell reference in VBA
  • GetObject call high OLE_VBA_GETOBJ
    GetObject call
  • cmd.exe reference in VBA high OLE_VBA_CMD
    cmd.exe reference in VBA
  • VBA project inside OOXML medium OOXML_VBA
    Document contains a VBA project — VBA macros present

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
6d6a7c10671a1d9d4ed47739710858bb63b6f48a7fc239c243abac43140068b3		 vba-macro oletools.olevba.extract_macros (decoded VBA source from OOXML) 35036 bytes
vbaProject_00.bin
d391cf7ecdd08d0d5426b366811ccc4e7903f67b235223465f00ac3d9a9b79db		 vba-project OOXML VBA project: xl/vbaProject.bin 11264 bytes

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