Office (OLE) / .XLS malware analysis — malicious · 2e8c953cf0ad1a18

MALICIOUS

Office (OLE) / .XLS

75.0 KB Created: 2023-01-26 07:43:07 First seen: 2023-01-31

MD5: 009820c5ebc50b2c6c142c43b76d50ea SHA-1: 23e4b0ed9b813fde06d363a9bd2203c51d861bdf SHA-256: 2e8c953cf0ad1a1833baf1aa0c15e9173d6fa5a3815a08a7602b2bb3a58f5d28

208 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1105 Ingress Tool Transfer T1059.003 Windows Command Shell

The VBA macro contains calls to URLDownloadToFileA and Shell(), indicating an intent to download and execute a second-stage payload. The script reconstructs the URL '2ht40t1p11s4:6/12/3d6op66ler90to8ol1.c4o0m4' and uses 'rundll32.exe' to execute the downloaded file. This is a common pattern for macro-based malware droppers.

Heuristics 5

Reference to URLDownloadToFile API critical SC_STR_URLDOWNLOAD

Reference to URLDownloadToFile API
Shell() call in VBA critical OLE_VBA_SHELL

Shell() call in VBA
URLDownloadToFile in VBA critical OLE_VBA_DOWNLOAD

URLDownloadToFile in VBA
VBA macros detected medium OLE_VBA_MACROS

Document contains VBA macro code
Environ() call (env variable access) low OLE_VBA_ENVIRON

Environ() call (env variable access)

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `610678525f680629a452c08992aa06919dfc565e5b8524fa718fe59d9d46112b`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1771 bytes

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