Office (OLE) / .DOCX malware analysis — suspicious · 7abf85ad78b521bc

SUSPICIOUS

Office (OLE) / .DOCX

119.5 KB Created: 2022-04-29 19:27:00 Authoring application: Microsoft Office Word First seen: 2022-05-04

MD5: b30462fb2017d9cd021de0093dd5ff3b SHA-1: 33b14d6b0bbeca568c945fbd565900857b84466e SHA-256: 7abf85ad78b521bcc31f6066ab2e0b1e6ad9672b952ef426a1d93c3d3f267f57

40 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1053.003 Scheduled Task/Job T1105 Ingress Tool Transfer

The sample contains VBA macros, including an AutoOpen subroutine, which is a strong indicator of malicious intent. The document body explicitly instructs the user to enable content, a common lure. The VBA script attempts to download a payload from 'https://iplogger.org/2RTb67' and saves it as 'up.vbs' in the startup folder, indicating an attempt to establish persistence and download a second-stage payload.

Heuristics 8

AutoOpen macro high OLE_VBA_AUTOOPEN

AutoOpen macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXEC

Compiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
VBA macros detected medium OLE_VBA_MACROS

Document contains VBA macro code
Macro/content-enable lure medium SE_ENABLE_LURE

Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
Environ() call (env variable access) low OLE_VBA_ENVIRON

Environ() call (env variable access)
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://schemas.openxmlformats.org/drawingml/2006/main
- http://schemas.openxmlformats.org/officeDocument/2006/bibliography
- http://schemas.openxmlformats.org/officeDocument/2006/customXml
- https://iplogger.org/2RTb67
Macro capabilities present but unconfirmed info MACRO_CAPABILITY_UNCORROBORATED

The document's VBA exposes execution capabilities (Shell/WScript/CreateObject/auto-exec) but nothing corroborates malicious intent — no obfuscation, memory-exec primitive, download+exec chain, encoded payload, LOLBin, DDE, AV hit, or suspicious URL. The verdict was capped at 'suspicious' so legitimate macro-heavy business documents are not flagged malicious on capability presence alone.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `2eb77a3d951dba467fadc9c9efde0da57e618d8b877bb10f28eb2d8594434626`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1240 bytes

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