MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d0eeafef07e49bdee42f35f457316439d2514d856732cda2dda5ef6ee7cca27. 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: 8

Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash:	6d0eeafef07e49bdee42f35f457316439d2514d856732cda2dda5ef6ee7cca27
SHA3-384 hash:	85e973ac06c9a6ac98930bf19e4986ee9fb0128205b11e19342e18d6dad8681071088c5440dae902deae0d23b85ba12f
SHA1 hash:	e0f571239cfe3f45e4e91e344f6e1895be4bca96
MD5 hash:	dc4dd7b4b08fa25f366f238b58d6ba22
humanhash:	august-india-oregon-cardinal
File name:	PO - TTCO_01874.pdf.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	319'488 bytes
First seen:	2020-08-19 06:43:31 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	6144:i2lxHDwbi0fRCwTjNRSnpN5g6avS4CofyPWCFNXtCl+jxtIy2Ny+XYT3N:9lxjMDJRLSnpLg6R4CT1NXte+Vqy+XYz
Threatray	903 similar samples on MalwareBazaar
TLSH	EB64CF48F514728FDCAF8D3BA7544CB447603E7B634BF2428D4779EA5A2DA93CE104A2
Reporter	abuse_ch
Tags:	exe Hostwinds RAT RemcosRAT

abuse_ch

Malspam distributing RemcosRAT:

HELO: hwsrv-762625.hostwindsdns.com
Sending IP: 104.168.242.71
From: Tim Morello <info@oudshoorn-hydraulics.nl>
Subject: PURCHASE ORDER - TTCO_01874
Attachment: PO - TTCO_01874.rar (contains "PO - TTCO_01874.pdf.exe")

RemcosRAT C2:
saocris.ddns.net

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/48245/

Detection(s):

SecuriteInfo.com.Trojan.PackedNET.405.9474.14188.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Creating a file in the %AppData% directory

Creating a file in the %temp% directory

Launching a process

Creating a process with a hidden window

Deleting a recently created file

Unauthorized injection to a recently created process

Creating a file

DNS request

Connection attempt to an infection source

Enabling autorun by creating a file

Result

Threat name:

Remcos

Detection:

malicious

Classification:

rans.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/436722

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

Contains functionalty to change the wallpaper

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)

Sigma detected: Remcos

Sigma detected: Scheduled temp file as task from temp location

Sigma detected: Suspicious Double Extension

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

Uses an obfuscated file name to hide its real file extension (double extension)

Uses dynamic DNS services

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected AntiVM_3

Yara detected Remcos RAT

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/6d0eeafef07e49bdee42f35f457316439d2514d856732cda2dda5ef6ee7cca27/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-08-19 06:45:06 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=nuhov7xqpze333sc6npuk4ywiooskfgykzzszwrn3jppn3t4zitq._file

Verdict:

malicious

Label(s):

remcos

RemcosRAT

263573ece93d13d69ed99ea6be5715ca5b15e1877ed09a274ca9cf55f4d16a22

RemcosRAT

673aa6ede02270b33f4a7058ec4e31eabd688ca4c75037ed4a7f92470a42a271

RemcosRAT

7cc4e45a2448e81c638cf0a84c269d7d926135647f95d318279429587d462e9a

RemcosRAT

8ae81522b85b942557d654bd85f719d2a8b539106e787c451f0d2856effc6ca4

RemcosRAT

ab79b2c6cca235d1b6a2bfdc550a15497c03d193d622feaa2e48c3006ef7c0b8

RemcosRAT

af27bd7180ad756460e32f2ae56db7cbdc8a79e73a36b261a96f803e5b051fd5

RemcosRAT

b502f774e9192f77aa713347f2747b67df5a473be721226bf0b2d98bdff8a835

RemcosRAT

c9522b2123a5c1d678125fecafc722f82d46c099f6c1cbcca6b95c2911130927

RemcosRAT

f749fcdcc06750ec8e3839b52ddd13e9a2023673da83aefe1c13439e1351fab5

RemcosRAT

+ 893 additional samples on MalwareBazaar

Result

Malware family:

remcos

Score:

10/10

Tags:

rat family:remcos

Link:

https://tria.ge/reports/200819-8mdwm1ehna/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Remcos

Malware Config

C2 Extraction:

saocris.ddns.net:1406

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

Threat name:

Backdoor

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/6d0eeafef07e49bdee42f35f457316439d2514d856732cda2dda5ef6ee7cca27

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