Office (OLE) / .XLS malware analysis — malicious · abe76573dac105f9

MALICIOUS

Office (OLE) / .XLS

140.0 KB Created: 2020-11-06 09:03:43

MD5: 09a859df0e64a85218e48898d3985ea4 SHA-1: 4a3ec27cf317e925fec7b5580b3e175b67390865 SHA-256: abe76573dac105f97b52c83af54e4f0144311e82678643a3541f645e970dc159

200 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File T1105 Ingress Tool Transfer

The sample contains VBA macros that execute a PowerShell command. This command is designed to download an executable file from the URL http://a22aweb.com/wp-content/csr/htgfderc.exe and then execute it. The presence of the PowerShell command and the embedded URL strongly indicate a downloader or droppper functionality.

Heuristics 6

ClamAV: Xls.Malware.Sagent-10035294-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Xls.Malware.Sagent-10035294-0
Reference to PowerShell high SC_STR_POWERSHELL

Reference to PowerShell
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMAND

Document contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
VBA macros detected medium OLE_VBA_MACROS

Document contains VBA macro code
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://a22aweb.com/wp-content/csr/htgfderc.exe

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `b23c88d2f14862a088ad3b6c7b6c25caf0ff680b69d8efe62f3ff4fd7bdb8073`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1310 bytes

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