MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7728da75004903710287196fe7b46281fcc671420ebbac44388605e1d9892be. 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: 7

Intelligence 7 IOCs YARA 1 File information Comments

SHA256 hash:	c7728da75004903710287196fe7b46281fcc671420ebbac44388605e1d9892be
SHA3-384 hash:	a45c6725a797108082b3dce9c7be3a10de2d549115942f38b7a0df6b765ac7f1939c622adb7cf8345c386ca0fd001e9f
SHA1 hash:	1d6a990f2781d26a37dd8efe8f8188cf2d8f58e6
MD5 hash:	280fb6d9bef71be8b72039a80251e6e1
humanhash:	juliet-don-beryllium-helium
File name:	FACTURA08798.Tar
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	428'826 bytes
First seen:	2024-06-24 13:22:55 UTC
Last seen:	2024-06-24 18:46:20 UTC
File type:	rar
MIME type:	application/x-rar
ssdeep	12288:IAir7L7jf9eIYWBOGgijWDocOCId74s8D:M7Re0BOviCDotCId7x8D
TLSH	T1FD94239AD28555CDEA9C53AC8543DC7CCDBCC4C7438E14924CA93A9FCE9A0A4246F7B3
TrID	61.5% (.RAR) RAR compressed archive (v5.0) (8000/1) 38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter	cocaman
Tags:	rar RemcosRAT tar

cocaman

Malicious email (T1566.001)
From: "=?UTF-8?B?S3V2ZXl0IFTDvHJr?= <marianne.hanna@comfu.com>;" (likely spoofed)
Received: "from com.comfu.com (com.comfu.com [192.254.213.72]) "
Date: "24 Jun 2024 06:21:45 -0700"
Subject: "=?UTF-8?B?S3V2ZXl0IFTDvHJr?="
Attachment: "FACTURA08798.Tar"

Intelligence

File Origin

# of uploads :

# of downloads :

107

Origin country :

File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:	FACTURA08798696.vbe
File size:	661'516 bytes
SHA256 hash:	411d7a0d9d268daa710bbd8af48825e3227be7ed743c50c68afc05b71a940e83
MD5 hash:	877d62bb0a3ca04372a89f1fd63aa517
MIME type:	text/plain
Signature	RemcosRAT

Vendor Threat Intelligence

Gathering data

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Link:

https://www.filescan.io/uploads/6679733c6b8dba248b44d57a/reports/a434735d-cab6-4ca8-9b33-d2e5f78739dd/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/c7728da75004903710287196fe7b46281fcc671420ebbac44388605e1d9892be

Result

Verdict:

MALICIOUS

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c7728da75004903710287196fe7b46281fcc671420ebbac44388605e1d9892be/

Threat name:

Win32.Trojan.Generic

Status:

Suspicious

First seen:

2024-06-24 13:22:58 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

3 of 38 (7.89%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=y5zi3j2qasidoebioglp462gfap4yzyuedv3vrcdrbqf4hmysk7a._file

Result

Malware family:

remcos

Score:

10/10

Tags:

family:guloader family:remcos botnet:chinalinkedin collection downloader persistence rat spyware stealer

Link:

https://tria.ge/reports/240624-seflzayapc/

Behaviour

Modifies system certificate store

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Drops file in Windows directory

Suspicious use of NtCreateThreadExHideFromDebugger

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Accesses Microsoft Outlook accounts

Adds Run key to start application

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Reads user/profile data of web browsers

NirSoft MailPassView

NirSoft WebBrowserPassView

Nirsoft

Guloader,Cloudeye

Remcos

Malware Config

C2 Extraction:

milliondollar23.duckdns.org:3984
milliondollar23backup.duckdns.org:3984

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/c7728da75004903710287196fe7b46281fcc671420ebbac44388605e1d9892be

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.