MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 50070d3d62f960b443afb71cb03585b63f0c705cd4e27ad1518a98800a028be1. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry

RemcosRAT

Vendor detections: 10

Maldoc score: 4

Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash:	50070d3d62f960b443afb71cb03585b63f0c705cd4e27ad1518a98800a028be1
SHA3-384 hash:	10924f99b55d4b35829fd1ed37d180d7acd02968f099fc14396e5d1bd055aa9db31c56ea94e5b3a2cc99d4c305a6a451
SHA1 hash:	2f941eeebcf7b3936fe15c9d73822c91fa9885b1
MD5 hash:	8fce80a5089858db9db70f4cc8ee4196
humanhash:	cola-washington-mango-october
File name:	29160EME DRAFT.xls
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	287'744 bytes
First seen:	2024-01-15 21:39:00 UTC
Last seen:	Never
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	6144:nSHBMixiMK6G+ZFrTUvCp4sJg/tSGszXBdMaNJAT:nQpozwjTqCfg/tS7zX8kAT
TLSH	T1945412787696D517D38298B11ED0C1977B25FC126E035A2B7498B79F0E3B6808F33E4A
TrID	46.5% (.XLS) Microsoft Excel sheet (alternate) (56500/1/4) 26.7% (.XLS) Microsoft Excel sheet (32500/1/3) 20.1% (.XLS) Microsoft Excel sheet (alternate) (24500/1/2) 6.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter	Mangusta
Tags:	cve-2017-0199 remcos RemcosRAT xls

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

Maldoc score: 4

OLE dump

MalwareBazaar was able to identify 15 sections in this file using oledump:

Section ID	Section size	Section name
1	114 bytes	CompObj
2	244 bytes	DocumentSummaryInformation
3	200 bytes	SummaryInformation
4	99 bytes	MBD0033221C/CompObj
5	186857 bytes	MBD0033221C/Package
6	834 bytes	MBD0033221D/Ole
7	84361 bytes	Workbook
8	525 bytes	_VBA_PROJECT_CUR/PROJECT
9	104 bytes	_VBA_PROJECT_CUR/PROJECTwm
10	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet1
11	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet2
12	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet3
13	985 bytes	_VBA_PROJECT_CUR/VBA/ThisWorkbook
14	2644 bytes	_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
15	553 bytes	_VBA_PROJECT_CUR/VBA/dir

OLE vba

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

Type	Keyword	Description
Suspicious	Hex Strings	Hex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin

# of uploads :

# of downloads :

535

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

29160EME DRAFT.xls

Verdict:

Malicious activity

Analysis date:

2024-01-15 21:31:49 UTC

Tags:

maldoc

Link:

https://app.any.run/tasks/624fed0f-5fd6-4c42-9431-398a83ea400f

Note:

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

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/471003/

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/50070d3d62f960b443afb71cb03585b63f0c705cd4e27ad1518a98800a028be1/results/dashboard

Payload URLs

URL

File name

http://202.182.118.6/blc/beautifuldaystartingwithbeautifulwordsandmicrosoftunderstandhowimportnatforthattolearnfromothers.Doc

Embedded Ole

Behaviour

SuspiciousRTF detected

Document image

Image:

Download PNG

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

macros

Link:

https://www.filescan.io/uploads/65a5a5f7784d3498d73fda27/reports/1f673806-bef4-4cf6-ae3b-7f6fd48fd5e3/overview

Verdict:

Malicious

Labled as:

CVE-2017-0199

Link:

https://www.hybrid-analysis.com/sample/50070d3d62f960b443afb71cb03585b63f0c705cd4e27ad1518a98800a028be1

Label:

Benign

Suspicious Score:

2.3/10

Score Malicious:

23%

Score Benign:

77%

Link:

https://www.malware.ai/gui/files/?id=c6869ea9-8667-4d62-b950-07ea1a7164c6

Result

Threat name:

n/a

Detection:

malicious

Classification:

n/a

Score:

52 / 100

Link:

https://www.joesandbox.com/analysis/1375018

Signature

Excel sheet contains many unusual embedded objects

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

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/50070d3d62f960b443afb71cb03585b63f0c705cd4e27ad1518a98800a028be1/

Threat name:

Document-Office.Exploit.CVE-2017-0199

Status:

Malicious

First seen:

2024-01-15 19:37:23 UTC

File Type:

Document

Extracted files:

AV detection:

12 of 23 (52.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=kadq2plc7fqliq5pw4olanmfwy7qy4c42trhvukrrkmiacqcrpqq._file

Result

Malware family:

n/a

Score:

1/10

Tags:

n/a

Link:

https://tria.ge/reports/240115-1hlldsfdcj/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Uses Task Scheduler COM API

Uses Volume Shadow Copy WMI provider

Uses Volume Shadow Copy service COM API

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/50070d3d62f9/report/overview.html

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/50070d3d62f960b443afb71cb03585b63f0c705cd4e27ad1518a98800a028be1

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.

Rule name:	informational_win_ole_protected Create hunting rule
Author:	Jeff White (karttoon@gmail.com) @noottrak
Description:	Identify OLE Project protection within documents.

Rule name:	maldoc_OLE_file_magic_number Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	office_document_vba Create hunting rule
Author:	Jean-Philippe Teissier / @Jipe_
Description:	Office document with embedded VBA
Reference:	https://github.com/jipegit/

File information

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

Cape

https://www.capesandbox.com/analysis/471003/

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