MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2af536c9d85678994742e687d45a2edd2e0f7fa3a2fbdacd5ef2eb54f997c53f. 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: 12

Maldoc score: 4

Intelligence 12 IOCs YARA 5 File information Comments

SHA256 hash:	2af536c9d85678994742e687d45a2edd2e0f7fa3a2fbdacd5ef2eb54f997c53f
SHA3-384 hash:	c4e498efa92645f561c4b5b8b60d16755f72b94531c7ae8b6ac90f1761b4ece9af602e218c3bee4af25d9183c3a8aec3
SHA1 hash:	907ed7589bf52f0f3fe961523df398958e841cda
MD5 hash:	2555208f4f93baa03e026dec7d38b3f1
humanhash:	freddie-bluebird-princess-may
File name:	SWIFT COPY.xls
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	1'196'032 bytes
First seen:	2025-02-26 18:51:47 UTC
Last seen:	2025-02-26 19:46:48 UTC
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	24576:8zisO97xupvnmjyQZZ3qc8tjQlVNbBWe1ej1n00Aj0S+:UO97cpvnmjyw6talVNXEZuYS+
TLSH	T1AD45E0916715CB95C668C3388CE24A011B30EE01DF63076B33647A6E7EB6F716F8758A
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)
Magika	xls
Reporter	abuse_ch
Tags:	cve-2017-0199 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 19 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	114 bytes	MBD001B9CB9/CompObj
5	340 bytes	MBD001B9CB9/DocumentSummaryInformation
6	22692 bytes	MBD001B9CB9/SummaryInformation
7	114 bytes	MBD001B9CB9/MBD001B8EC4/CompObj
8	18006 bytes	MBD001B9CB9/MBD001B8EC4/Package
9	647459 bytes	MBD001B9CB9/Workbook
10	464 bytes	MBD001B9CBA/Ole
11	481538 bytes	Workbook
12	529 bytes	_VBA_PROJECT_CUR/PROJECT
13	104 bytes	_VBA_PROJECT_CUR/PROJECTwm
14	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet1
15	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet2
16	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet3
17	985 bytes	_VBA_PROJECT_CUR/VBA/ThisWorkbook
18	2644 bytes	_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
19	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 :

546

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

SWIFT COPY.xls

Verdict:

No threats detected

Analysis date:

2025-02-26 18:52:32 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/6c2f415c-62bf-41cc-a88d-10ad9f473e5c

Note:

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

Detection(s):

TwinWave.EvilDoc.93TilInfinity.20240412.UNOFFICIAL

Verdict:

Clean

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67bf6333a0fd713c335d0726

Tags:

n/a

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Connection attempt to an infection source by exploiting the app vulnerability

DNS request

Sending an HTTP GET request

Сreating synchronization primitives

Using the Windows Management Instrumentation requests

Query of malicious DNS domain

Connection attempt by exploiting the app vulnerability

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

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/2af536c9d85678994742e687d45a2edd2e0f7fa3a2fbdacd5ef2eb54f997c53f/results/dashboard

Payload URLs

URL

File name

https://url.terryspace.io/X384GF

Embedded Ole

Behaviour

SuspiciousRTF detected

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

macros

Link:

https://www.filescan.io/uploads/67bf62df4887682ff58deae1/reports/0436094f-b968-4e0c-96e1-dccef3251eb6/overview

Verdict:

Malicious

Labled as:

CVE-2017-0199

Link:

https://www.hybrid-analysis.com/sample/2af536c9d85678994742e687d45a2edd2e0f7fa3a2fbdacd5ef2eb54f997c53f

Label:

Malicious

Suspicious Score:

10/10

Score Malicious:

Score Benign:

Link:

https://www.malware.ai/gui/files/?id=cd70f6d7-f38a-4e4d-8f12-5b4e6924f0c1

Result

Threat name:

n/a

Detection:

malicious

Classification:

expl

Score:

60 / 100

Link:

https://www.joesandbox.com/analysis/1625109

Signature

Document exploit detected (process start blacklist hit)

Excel sheet contains many unusual embedded objects

Multi AV Scanner detection for submitted file

Sigma detected: Suspicious Microsoft Office Child Process

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

OFFICE

Link:

https://malprob.io/report/2af536c9d85678994742e687d45a2edd2e0f7fa3a2fbdacd5ef2eb54f997c53f

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2af536c9d85678994742e687d45a2edd2e0f7fa3a2fbdacd5ef2eb54f997c53f/

Threat name:

Document-Excel.Exploit.CVE-2017-0199

Status:

Malicious

First seen:

2025-02-26 09:39:00 UTC

File Type:

Document

Extracted files:

AV detection:

13 of 38 (34.21%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=fl2tnsoykz4jsr2c42d5iwro3uxa675dul55vtk66lvvj6mxyu7q._file

Result

Malware family:

n/a

Score:

10/10

Tags:

discovery

Link:

https://tria.ge/reports/250226-xh3ccsyyc1/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Uses Volume Shadow Copy WMI provider

Uses Volume Shadow Copy service COM API

System Location Discovery: System Language Discovery

Process spawned unexpected child process

Malware Family:

n/a

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/fd59d573-2f0b-48c9-bc3d-cb9aa0af21ad

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/2af536c9d85678994742e687d45a2edd2e0f7fa3a2fbdacd5ef2eb54f997c53f

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:	Excel_Hidden_Macro_Sheet Create hunting rule

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:	Suspicious_Latam_MSI_and_ZIP_Files Create hunting rule
Author:	eremit4, P4nd3m1cb0y
Description:	Detects suspicious .msi and .zip files used in Latam banking trojan campaigns.

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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.

No further information available

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