MalwareBazaar Database

Office OLE Information

This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE id

OLE dump

MalwareBazaar was able to identify 32 sections in this file using oledump:

OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

Intelligence

File Origin

Vendor Threat Intelligence

ANY.RUN Malicious

Malware family:

n/a

ID:

1

File name:

Copy_NE585IS.doc

Verdict:

Malicious activity

Analysis date:

2020-12-16 18:37:55 UTC

Tags:

macros macros-on-open generated-doc opendir loader

Link:

https://app.any.run/tasks/d7121cc8-ad54-4248-9690-a4b350954c4f

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

BitDam Malicious

Verdict:

Malicious

File type:

application/msword

Has a screenshot:

False

Contains macros:

True

ClamAV Detected

Detection(s):

TwinWave.EvilDoc.WelcomeBackEmotetThatsWhyTheyCallItWindowPain.2020717.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.FuncProcessAGoGo.20200805.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.WithGObjComingBackToLife.20201124.UNOFFICIAL

Alert

Create hunting rule

Dr. Web vxCube Suspicious

Result

Verdict:

Suspicious

Maliciousness:

Behaviour

Creating a window

Using the Windows Management Instrumentation requests

Creating a file in the %AppData% directory

Searching for the window

Launching a process

Creating a process with a hidden window

Searching for many windows

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

Legacy Word File with Macro

Link:

https://app.docguard.net/9461d075ec5d9590058e8623dded5d08da956a523f4806f2eb0567097a5d075b/results/dashboard

Document image

Image:

Download PNG

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

Details

Suspicious Document Variables

Detected a macro that references a suspicious number of tersely named variables.

Macro with Startup Hook

Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.

Document With Few Pages

Document contains between one and three pages of content. Most malicious documents are sparse in page count.

Macro Execution Coercion

Detected a document that appears to social engineer the user into activating embedded logic.

Macro with DLL Reference

Detected macro logic that will load additional functionality from Dynamically Linked Libraries (DLLs). While not explicitly malicious, this is a common tactic for accessing APIs that are not otherwised exposed via Visual Basic for Applications (VBA).

Joe Sandbox malicious

Result

Threat name:

Unknown

Detection:

malicious

Classification:

expl.evad

Score:

88 / 100

Link:

https://www.joesandbox.com/analysis/564591

Signature

Creates processes via WMI

Document contains an embedded macro with GUI obfuscation

Document contains an embedded VBA macro which may execute processes

Document contains an embedded VBA macro with suspicious strings

Document contains an embedded VBA with functions possibly related to ADO stream file operations

Document contains an embedded VBA with many randomly named variables

Document contains an embedded VBA with many string operations indicating source code obfuscation

Document contains VBA stomped code (only p-code) potentially bypassing AV detection

Machine Learning detection for dropped file

Machine Learning detection for sample

Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/9461d075ec5d9590058e8623dded5d08da956a523f4806f2eb0567097a5d075b/

ReversingLabs TitaniumCloud Document-Word.Downloader.Heuristic

Threat name:

Document-Word.Downloader.Heuristic

Alert

Create hunting rule

Status:

Malicious

First seen:

2020-12-16 18:38:05 UTC

File Type:

Document

Extracted files:

47

AV detection:

17 of 48 (35.42%)

Threat level:

  2/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=srq5a5pmlwkzabmoqyr533k5bdnjk2ssh5ean4xlavtqs6s5a5nq._file

Hatching Triage dridex

Result

Malware family:

dridex

Alert

Create hunting rule

Score:

  10/10

Tags:

family:dridex botnet loader macro

Link:

https://tria.ge/reports/201216-xswthzdnle/

Behaviour

Modifies Internet Explorer settings

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Enumerates system info in registry

Office loads VBA resources, possible macro or embedded object present

Drops file in Windows directory

Loads dropped DLL

Blocklisted process makes network request

Dridex Loader

Dridex

Process spawned unexpected child process

Malware Config

C2 Extraction:

172.86.186.22:3889
46.105.131.78:14431
103.244.206.74:33443
139.162.53.147:4443

VirusTotal

Please note that we are no longer able to provide a coverage score for Virus Total.

YOROI YOMI Malicious File

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/9461d075ec5d9590058e8623dded5d08da956a523f4806f2eb0567097a5d075b

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Comments