MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c395c460b10a425db80c8a011fc8bade417c891014297d39fd8088de1ced23fc. 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 8 File information Comments

SHA256 hash:	c395c460b10a425db80c8a011fc8bade417c891014297d39fd8088de1ced23fc
SHA3-384 hash:	7f06198f632e35dd1ee82796cf432de57d7b8ad3c20330c4320170ce52ab8a352a8baca41899a8b163ce2fdc71605fe7
SHA1 hash:	8a324f634e875d1d6948e4b6097c6318548e09cf
MD5 hash:	ba0b18017bb583efafe1d9d8f0d95ae0
humanhash:	green-mirror-texas-angel
File name:	DOCUMENTO WAYBILL.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	906'944 bytes
First seen:	2020-11-09 19:35:57 UTC
Last seen:	2020-11-15 22:39:56 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep	12288:Gd+CC6w6Uka7Xj82DJIUb+hMH6FpfMHgaT:G8vbBp4fag0
Threatray	1'049 similar samples on MalwareBazaar
TLSH	9515454810AA238AD07337AD5B743881C3B5EA5772F8C9E7029CBBB1EE9DC355771A05
Reporter	abuse_ch
Tags:	DHL exe RAT RemcosRAT

abuse_ch

Malspam distributing RemcosRAT:

HELO: onion.viviotech.net
Sending IP: 162.217.171.146
From: DHL Express <Delivery@dhl.com>
Subject: DHL Envío, factura aduanera 3709392691
Attachment: DOCUMENTO WAYBILL.iso (contains "DOCUMENTO WAYBILL.exe")

RemcosRAT C2:
uzbektourism8739.ddns.net:6735 (23.105.131.133)

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.ArtemisBA0B18017BB5.16838.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Using the Windows Management Instrumentation requests

Creating a file in the %AppData% subdirectories

Unauthorized injection to a recently created process

Creating a file

DNS request

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Setting a global event handler for the keyboard

Connection attempt to an infection source

Result

Threat name:

Remcos

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/527086

Signature

Contains functionality to capture and log keystrokes

Contains functionality to inject code into remote processes

Contains functionality to steal Chrome passwords or cookies

Contains functionality to steal Firefox passwords or cookies

Detected Remcos RAT

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Sigma detected: Remcos

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Uses dynamic DNS services

Yara detected Remcos RAT

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c395c460b10a425db80c8a011fc8bade417c891014297d39fd8088de1ced23fc/

Threat name:

ByteCode-MSIL.Trojan.Wacatac

Status:

Malicious

First seen:

2020-11-09 16:09:03 UTC

AV detection:

22 of 29 (75.86%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=yok4iyfrbjbf3oamriar7sf23zaxzciqcqux2op5qcen4hhnep6a._file

Verdict:

malicious

Label(s):

remcos

RemcosRAT

1a1a49629b078b28852b0c9de34d8581ddb2c06bf09950bc4fc07262b65f72a7

RemcosRAT

4579780c18fb273fd0884237c7a4021dbbb38494194d8c1840449e8a62d29251

RemcosRAT

485c1301f4bc84bc2d274f53222cf7ca5fbd8af8728d1aaa977a6574f577fb87

RemcosRAT

65228df6e85371a2b4b1e5340f11e36cdc94f8b39bda216c0ed143eaac36912b

RemcosRAT

833b575dac3a049ede0d27e2ff801d2e8d647cf04006f0037e1a9c71d7c8ace4

RemcosRAT

ab9041fe7e0a4a439521d6eb01cc16d74c00a0427c86b067120ac453ba7329d9

RemcosRAT

b530ffc8af72cb51943f2fb8f38bc778c4544f57b61de593960dd4a97327ca64

RemcosRAT

ca60958a09d1cd5817504857d90b846a9ce6f6ee1bed7686318b3741108b709c

RemcosRAT

d5e7d49983a219e75540be866377c4b283614a31e41f9e5223ab6ad18a1cfe61

RemcosRAT

+ 1'039 additional samples on MalwareBazaar

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos persistence rat

Link:

https://tria.ge/reports/201109-bzag4x3my6/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetThreadContext

Adds Run key to start application

Remcos

Malware Config

C2 Extraction:

uzbektourism8739.ddns.net:6735

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:	ach_RemcosRAT Create hunting rule
Author:	abuse.ch

Rule name:	Chrome_stealer_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	Chrome in files like avemaria

Rule name:	Keylog_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	Contains Keylog

Rule name:	Parallax Create hunting rule
Author:	@bartblaze
Description:	Identifies Parallax RAT.

Rule name:	Remcos Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Remcos in memory

Rule name:	remcos_rat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	REMCOS_RAT_variants Create hunting rule

Rule name:	win_remcos_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	autogenerated rule brought to you by yara-signator