MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 827b155806cb5c7a61c8bee24eb8fdc8b39d098f80a1c34edfef9020bfc41f0d. 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: 16

Maldoc score: 9

Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash:	827b155806cb5c7a61c8bee24eb8fdc8b39d098f80a1c34edfef9020bfc41f0d
SHA3-384 hash:	07f5a545c4bde37415d8f697997dc1525d46a305ad774477dd2e4a624a097e488dd3271f5ea7cee1f52548cdea4bad85
SHA1 hash:	5d6450ee01cfce33d3acf4155ec47cda2c9cc451
MD5 hash:	83976a086d1e9dbb6d2e357627e77727
humanhash:	hotel-early-alpha-utah
File name:	Orden No. 5700080331.xls
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	406'016 bytes
First seen:	2026-06-02 14:11:17 UTC
Last seen:	Never
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	12288:cu51KnyUqeWzrkUcyM1Dvs9Bu51KnyUqeWzrkUcyM1Dvs9k1Fymuf:cuKyU40bauKyU40bF3Vu
TLSH	T14F841222B516B347C9AF577105E0EBFB7349BC45AB6863573050738C1AB27C3E81A4BA
TrID	34.9% (.XLS) Microsoft Excel sheet (32500/1/3) 30.1% (.XLS) Microsoft Excel sheet (alternate) (28000/1/3) 26.3% (.XLS) Microsoft Excel sheet (alternate) (24500/1/2) 8.6% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika	xls
Reporter	lowmal3
Tags:	CVE-2017-11882 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: 9

Application name is Microsoft Excel

File Format is MS Excel 97-2003

Container Format is OLE

Office document is in encrypted

Office document contains VBA Macros

Embedded Images

MalwareBazaar found the following images embedded in this file:

MD5 hash	dc.creator	# of relations
e13904f4421e094887e18ad21589973d	Redmi 4A	None

OLE dump

MalwareBazaar was able to identify 18 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	MBD0083E461/CompObj
5	177994 bytes	MBD0083E461/Package
6	99 bytes	MBD0083E462/CompObj
7	177994 bytes	MBD0083E462/Package
8	2037 bytes	MBD0083E463/OLE10nAtivE
9	20 bytes	MBD0083E463/Ole
10	29721 bytes	Workbook
11	523 bytes	_VBA_PROJECT_CUR/PROJECT
12	104 bytes	_VBA_PROJECT_CUR/PROJECTwm
13	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet1
14	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet2
15	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet3
16	985 bytes	_VBA_PROJECT_CUR/VBA/ThisWorkbook
17	2644 bytes	_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
18	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 beused to obfuscate strings (option --decode tosee all)

Intelligence

File Origin

# of uploads :

# of downloads :

121

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

MSO

Details

MSO

extracted VBA Macros and, if observed, MS-OFORM variables/data are added to the knowledge base for usage in later parsing of the Macros

Link:

https://research.acce.ciphertechsolutions.com/results/2468142e-6f80-47c6-b72b-3c21aa7b62c8/

Malware family:

n/a

ID:

File name:

xls

Verdict:

No threats detected

Analysis date:

2026-06-02 14:12:07 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/76b02d32-4eff-4b57-91c0-b2451144d3e2

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/68802/

Detection(s):

Sanesecurity.Shelter.Malware.BadMacro.BadOleNatEquat.UNOFFICIAL

TwinWave.EvilDoc.EQAndMisCasedOleNativeWasTheCaseThatTheyGaveMe.20200215.UNOFFICIAL

SecuriteInfo.com.Trojan.GenericKD.77473812.7327.3073.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6a1ee48bf8676ad4d3605646

Tags:

office micro macro lien

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Searching for synchronization primitives

Launching a process

DNS request

Sending an HTTP GET request

Creating a file in the %AppData% directory

Сreating synchronization primitives

Searching for the window

Using the Windows Management Instrumentation requests

Creating a process with a hidden window

Connection attempt

Sending a custom TCP request

Possible injection to a system process

Query of malicious DNS domain

Connection attempt by exploiting the app vulnerability

Bypassing of proactive protection methods using Windows Management Instrumentation (WMI)

Connection attempt to an infection source by exploiting the app vulnerability

Sending an HTTP GET request to an infection source by exploiting the app vulnerability

Sending a TCP request to an infection source by exploiting the app vulnerability

Launching a process by exploiting the app vulnerability

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

embedequation exploit macros shellcode

Link:

https://www.filescan.io/uploads/6a1ee4bde05d89b3613fe4f9/reports/959dbb7a-f172-45fc-a40c-48f0c1553fed/overview

Verdict:

Malicious

Labled as:

CVE-2017-11882

Link:

https://www.hybrid-analysis.com/sample/827b155806cb5c7a61c8bee24eb8fdc8b39d098f80a1c34edfef9020bfc41f0d

Label:

Malicious

Suspicious Score:

10/10

Score Malicious:

Score Benign:

Link:

https://www.malware.ai/gui/files/?id=973cfd89-ae90-4408-80e6-400b7f36e3b2

Verdict:

Malicious

File Type:

xls

First seen:

2026-06-02T07:03:00Z UTC

Last seen:

2026-06-02T11:17:00Z UTC

Hits:

~100

Detections:

Trojan.Win32.Shelma.sb Exploit.MSOffice.CVE-2017-11882.sb Trojan.MSOffice.SAgent.sb Trojan.MSOffice.Agent.sb Trojan-Downloader.Agent.HTTP.C&C HEUR:Trojan.Script.Generic Exploit.MSOffice.CVE-2018-0802.b Trojan-Downloader.MSOffice.SLoad.sb HEUR:Exploit.MSOffice.Generic

Link:

https://opentip.kaspersky.com/827b155806cb5c7a61c8bee24eb8fdc8b39d098f80a1c34edfef9020bfc41f0d/results?tab=lookup

Result

Threat name:

n/a

Detection:

malicious

Classification:

expl

Score:

68 / 100

Link:

https://www.joesandbox.com/analysis/1921686

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Excel sheet contains many unusual embedded objects

Multi AV Scanner detection for submitted file

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

OFFICE

Link:

https://malprob.io/report/827b155806cb5c7a61c8bee24eb8fdc8b39d098f80a1c34edfef9020bfc41f0d

Gathering data

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/827b155806cb5c7a61c8bee24eb8fdc8b39d098f80a1c34edfef9020bfc41f0d/

Verdict:

Malicious

Threat:

Exploit.MSOffice.CVE-2017-11882

Link:

https://tip.neiki.dev/file/827b155806cb5c7a61c8bee24eb8fdc8b39d098f80a1c34edfef9020bfc41f0d

Threat name:

Document-OLE.Exploit.CVE-2017-11882

Status:

Malicious

First seen:

2026-06-02 12:20:43 UTC

File Type:

Document

Extracted files:

AV detection:

14 of 36 (38.89%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=qj5rkwagznohuyoix3re5oh5zczz2cmpqcq4gtw756icbp6ed4gq._file

Result

Malware family:

n/a

Score:

1/10

Tags:

persistence ransomware

Link:

https://tria.ge/reports/260602-rhe9yagv6m/

Behaviour

Checks processor information in registry

Enumerates system info in registry

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

Malware family:

Remcos

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/827b155806cb/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/827b155806cb5c7a61c8bee24eb8fdc8b39d098f80a1c34edfef9020bfc41f0d

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:	XLS_STRINGS Create hunting rule
Author:	somedieyoungZZ
Description:	Detect Strings targeting Bangladesh

File information

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

Malspam

RemcosRAT

xls 827b155806cb5c7a61c8bee24eb8fdc8b39d098f80a1c34edfef9020bfc41f0d

(this sample)

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/68802/

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