MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65402e2b77e5ec64e982f7391e2ad08e2fcc5bd047e167b2f1b5875d7a5afe5b. 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: 13

Maldoc score: 4

Intelligence 13 IOCs YARA 5 File information Comments

SHA256 hash:	65402e2b77e5ec64e982f7391e2ad08e2fcc5bd047e167b2f1b5875d7a5afe5b
SHA3-384 hash:	05cc85857a24e883e00267c88f33179e70b4f003f1f90c2b685607c68c2b886af79da27b5125bf142ae2f31c6427c30f
SHA1 hash:	24e4558f3f577d3044191aadbc5274f616ad1a56
MD5 hash:	2f160c13c347204a093bfd1ed0347784
humanhash:	edward-south-bulldog-bulldog
File name:	Draft-Contract.xls
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	1'153'536 bytes
First seen:	2025-02-13 09:34:37 UTC
Last seen:	Never
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	24576:eS0BCpylQFe8yqfsZ85g5jAu3yhemImVJW9sEeGPVO48P1:eS0AwqFC85g5j13yheFYJc+P
TLSH	T1E13523A2FBC75A0BD64A53394BD3CB66211EFD633C12810B3A417F1F7A79A244B4251E
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	99 bytes	MBD000ADE64/CompObj
5	13532 bytes	MBD000ADE64/Package
6	114 bytes	MBD000ADE65/CompObj
7	268 bytes	MBD000ADE65/DocumentSummaryInformation
8	236 bytes	MBD000ADE65/SummaryInformation
9	539519 bytes	MBD000ADE65/Workbook
10	632 bytes	MBD000ADE66/Ole
11	575062 bytes	Workbook
12	525 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 :

479

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Draft-Contract.xls

Verdict:

No threats detected

Analysis date:

2025-02-13 08:09:12 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/5056a077-587c-4295-8f32-d1fb830bf123

Note:

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

Detection(s):

SecuriteInfo.com.Heur.25844.25810.UNOFFICIAL

TwinWave.EvilDoc.93TilInfinity.20240412.UNOFFICIAL

Verdict:

Malicious

Score:

90.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67adbcd828ab76d43a5ab36e

Tags:

macro micro w97m

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

DNS request

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

Сreating synchronization primitives

Using the Windows Management Instrumentation requests

Connection attempt by exploiting the app vulnerability

Sending a custom TCP request by exploiting the app vulnerability

Connection attempt to an infection source by exploiting the app vulnerability

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/65402e2b77e5ec64e982f7391e2ad08e2fcc5bd047e167b2f1b5875d7a5afe5b/results/dashboard

Payload URLs

URL

File name

https://go.halpindev.com/N2n7HH

Embedded Ole

Behaviour

SuspiciousRTF detected

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

macros

Link:

https://www.filescan.io/uploads/67adbcd4991985e0a95816b5/reports/4ca5f100-b9b2-43c8-879b-4036ca28c04e/overview

Verdict:

Malicious

Labled as:

CVE-2017-0199

Link:

https://www.hybrid-analysis.com/sample/65402e2b77e5ec64e982f7391e2ad08e2fcc5bd047e167b2f1b5875d7a5afe5b

Label:

Benign

Suspicious Score:

2.6/10

Score Malicious:

26%

Score Benign:

74%

Link:

https://www.malware.ai/gui/files/?id=5eab3dac-f1d1-48e0-929d-6a4c06b5771b

Result

Threat name:

n/a

Detection:

malicious

Classification:

expl

Score:

64 / 100

Link:

https://www.joesandbox.com/analysis/1614116

Signature

AI detected landing page (webpage, office document or email)

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:

99%

Verdict:

Malware

File Type:

OFFICE

Link:

https://malprob.io/report/65402e2b77e5ec64e982f7391e2ad08e2fcc5bd047e167b2f1b5875d7a5afe5b

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/65402e2b77e5ec64e982f7391e2ad08e2fcc5bd047e167b2f1b5875d7a5afe5b/

Threat name:

Win32.Exploit.CVE-2017-0199

Status:

Malicious

First seen:

2025-02-13 05:22:25 UTC

File Type:

Document

Extracted files:

AV detection:

13 of 24 (54.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=mvac4k3x4xwgj2mc644r4kwqryx4yw6qi7qwpmxrwwdv26s27znq._file

Result

Malware family:

n/a

Score:

10/10

Tags:

defense_evasion discovery execution

Link:

https://tria.ge/reports/250213-lkgmwswrf1/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

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

Enumerates physical storage devices

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Drops file in System32 directory

Command and Scripting Interpreter: PowerShell

Blocklisted process makes network request

Downloads MZ/PE file

Evasion via Device Credential Deployment

Process spawned unexpected child process

Malware Family:

n/a

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/05c0e3ea-faca-4754-a29f-c3d0417bdee9

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

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:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

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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