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 14 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:

Remittance-11-16-04125.xls

Verdict:

Malicious activity

Analysis date:

2022-11-17 07:11:54 UTC

Tags:

macros macros-on-open trojan

Link:

https://app.any.run/tasks/f43304dd-8eff-4dff-8b22-3815f3676d6f

Note:

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

CAPE Sandbox

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/335200/

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Launching a process

Searching for the window

Sending a custom TCP request

Creating a process with a hidden window

Creating a file in the %temp% directory

Creating a process from a recently created file

Possible injection to a system process

Sending an HTTP GET request

Launching a process by exploiting the app vulnerability

Enabling autorun by creating a file

DocGuard Clean

Result

Verdict:

Clean

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/04ea5c74e910a261b38f769a145ce0f7370badc8f88f53715c44bb73899bc736/results/dashboard

Payload URLs

URL

File name

http://192.3.76.220/mac.jpg

WorkBook

Document image

Image:

Download PNG

FileScan.IO Malicious

Verdict:

Malicious

Threat level:

  10/10

Confidence:

100%

Tags:

macros macros-on-open

Link:

https://www.filescan.io/uploads/6375de132445ecec3cc4c6df/reports/014867d7-7de9-43a4-9963-5344c4645703/overview

inlyse Malware.AI Benign

Label:

Benign

Suspicious Score:

4.1/10

Score Malicious:

42%

Score Benign:

58%

Link:

https://www.malware.ai/gui/files/?id=9b31bb8a-c452-4094-a277-9baa5a8da70b

InQuest SUSPICIOUS

Result

Verdict:

SUSPICIOUS

Link:

https://labs.inquest.net/dfi/sha256/04ea5c74e910a261b38f769a145ce0f7370badc8f88f53715c44bb73899bc736

Details

Macro with Startup Hook

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

IPv4 Dotted Quad URL

A URL was detected referencing a direct IP address, as opposed to a domain name.

Macro Contains Suspicious String

Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...

Document With No Content

Document contains little or no semantic information.

Joe Sandbox malicious

Result

Threat name:

Unknown

Detection:

malicious

Classification:

expl

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1115537

Signature

Antivirus detection for URL or domain

Document contains an embedded VBA macro with suspicious strings

Document exploit detected (process start blacklist hit)

Drops script or batch files to the startup folder

Multi AV Scanner detection for domain / URL

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 drops PE file

Suspicious powershell command line found

Very long command line found

Wscript starts Powershell (via cmd or directly)

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/04ea5c74e910a261b38f769a145ce0f7370badc8f88f53715c44bb73899bc736/

ReversingLabs TitaniumCloud Win32.Trojan.Leonem

Threat name:

Win32.Trojan.Leonem

Alert

Create hunting rule

Status:

Malicious

First seen:

2022-11-16 18:24:12 UTC

File Type:

Document

Extracted files:

18

AV detection:

8 of 39 (20.51%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=atvfy5hjccrgdm4po2nbixha643qxloi7chvg4k4is5xhcm3y43a._file

Hatching Triage remcos

Result

Malware family:

remcos

Alert

Create hunting rule

Score:

  10/10

Tags:

family:remcos botnet:nov22 build macro macro_on_action rat

Link:

https://tria.ge/reports/221117-hytb3adh36/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Office loads VBA resources, possible macro or embedded object present

Enumerates physical storage devices

Suspicious use of SetThreadContext

Checks computer location settings

Loads dropped DLL

Blocklisted process makes network request

Process spawned unexpected child process

Remcos

Malware Config

C2 Extraction:

eter101.dvrlists.com:2050
eter103.dvrlists.com:2050

Threat.Zone Suspicious

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/09e6807d-6691-4822-a612-1af68d36432e

VMRay Malicious

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/04ea5c74e910/report/overview.html

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:

0.70

Link:

https://yomi.yoroi.company/submissions/04ea5c74e910a261b38f769a145ce0f7370badc8f88f53715c44bb73899bc736

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.

  

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/335200/

Comments