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 4 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:

Telex#06012020.xls

Verdict:

Malicious activity

Analysis date:

2021-01-07 21:23:25 UTC

Tags:

macros macros40

Link:

https://app.any.run/tasks/b1f364a0-8372-4806-9136-b02ad031e697

Note:

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

BitDam Malicious

Verdict:

Malicious

File type:

application/vnd.ms-excel

Has a screenshot:

False

Contains macros:

True

ClamAV Detected

Detection(s):

TwinWave.EvilDoc.XLSLOLBINHammerToFall.20201218.UNOFFICIAL

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a process with a hidden window

Launching a process

Running batch commands by exploiting the app vulnerability

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

Legacy Office File

Link:

https://app.docguard.net/07a877cc1499b20ae7bcaf0200f2576a100754fa661e391f36cbb95aa58a75b9/results/dashboard

Payload URLs

URL

File name

http://lankarecipes.com/mages.jp''

Macro1

Document image

Image:

Download PNG

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

Details

Excel 4.0 Macro

Document contains Excel 4.0 macros (XLM). A valid, albeit dated feature, this document should be treated with suspicion.

Macro Execution Coercion

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

Hidden Powershell

Detected a pivot to Powershell that utilizes commonly nefarious attributes such as '-windowstyle hidden'.

Autostarting Excel Macro Sheet

Excel contains Macrosheet logic that will trigger automatically upon document open.

Document With No Content

Document contains little or no semantic information.

Joe Sandbox Hidden Macro 4.0 AveMaria

Result

Threat name:

Hidden Macro 4.0 AveMaria

Alert

Create hunting rule

Detection:

malicious

Classification:

expl.evad.phis.troj.spyw

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/576470

Signature

Adds a directory exclusion to Windows Defender

Allocates memory in foreign processes

Antivirus detection for dropped file

Contains functionality to create processes via WMI

Contains functionality to hide user accounts

Creates a thread in another existing process (thread injection)

Creates processes via WMI

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Document exploit detected (process start blacklist hit)

Found Excel 4.0 Macro with suspicious formulas

Hides that the sample has been downloaded from the Internet (zone.identifier)

Hides user accounts

Increases the number of concurrent connection per server for Internet Explorer

Installs a global keyboard hook

Machine Learning detection for dropped file

Malicious sample detected (through community Yara rule)

Maps a DLL or memory area into another process

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

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

PowerShell case anomaly found

Powershell drops PE file

Sigma detected: Dot net compiler compiles file from suspicious location

Sigma detected: Microsoft Office Product Spawning Windows Shell

Sigma detected: Suspicious Csc.exe Source File Folder

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Mail credentials (via file access)

Writes to foreign memory regions

Yara detected AveMaria stealer

Yara detected Generic Dropper

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/07a877cc1499b20ae7bcaf0200f2576a100754fa661e391f36cbb95aa58a75b9/

ReversingLabs TitaniumCloud Document-Word.Trojan.Heuristic

Threat name:

Document-Word.Trojan.Heuristic

Alert

Create hunting rule

Status:

Malicious

First seen:

2021-01-08 08:20:15 UTC

AV detection:

7 of 46 (15.22%)

Threat level:

  2/5

Spamhaus Hash Blocklist Malicious file

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=a6uhptautgzavz54v4bab4sxniiaovh2mypdshzwzo4vvjmkow4q._file

Hatching Triage warzonerat

Result

Malware family:

warzonerat

Alert

Create hunting rule

Score:

  10/10

Tags:

family:warzonerat infostealer macro persistence rat spyware

Link:

https://tria.ge/reports/210108-c33q5ww432/

Behaviour

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: LoadsDriver

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Drops file in Program Files directory

Drops file in System32 directory

Suspicious use of SetThreadContext

JavaScript code in executable

Modifies WinLogon

Loads dropped DLL

Reads user/profile data of web browsers

Blocklisted process makes network request

Executes dropped EXE

Sets DLL path for service in the registry

ServiceHost packer

Warzone RAT Payload

Process spawned unexpected child process

WarzoneRat, AveMaria

VirusTotal

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

YOROI YOMI Exploit

Threat name:

Exploit

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/07a877cc1499b20ae7bcaf0200f2576a100754fa661e391f36cbb95aa58a75b9

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