MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76d694e6cd2c80db5b3e4a46497548a424e0f1babf5c36402cc48060ebe5ced0. 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: 11

Intelligence 11 IOCs YARA 6 File information Comments

SHA256 hash:	76d694e6cd2c80db5b3e4a46497548a424e0f1babf5c36402cc48060ebe5ced0
SHA3-384 hash:	a7f0f2da31373a1cfa1514ecf0b4ce137e18c6f586633e934b7bf32c98bcf6ea9c9fd3ec7c3e4d13978de84db9682b3b
SHA1 hash:	77c127eed2024321732c184eba438db7b4dd0f8e
MD5 hash:	2389bca836fde66f64217cbddf05b392
humanhash:	item-river-bravo-blue
File name:	Sjykvu95w2zmmQr.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	686'080 bytes
First seen:	2020-10-17 12:07:04 UTC
Last seen:	2020-10-17 13:04:58 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	12288:UbwWfVQdzXvd/SPDAww1QA7/FXhXxIYNlU2EnqTVOhK5Ty9g7bzoZ:sOdzdSPFw1QA75ImO26vAhy9g7b
Threatray	888 similar samples on MalwareBazaar
TLSH	34E4BE21769CAF68F0BE5333D439550093F9FD53AB32C92E2EEA25CD14B0F94A621752
Reporter	abuse_ch
Tags:	DHL exe RAT RemcosRAT

abuse_ch

Malspam distributing RemcosRAT:

HELO: mysmtp4
Sending IP: 52.191.132.41
From: 'DHI Customer Service <customer@dhi.com>
Subject: DHL - Pending delivery
Attachment: DHL Detail.img (contains "Sjykvu95w2zmmQr.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

134

Origin country :

n/a

Vendor Threat Intelligence

Detection:

Remcos

Link:

https://www.capesandbox.com/analysis/72544/

Detection(s):

SecuriteInfo.com.Artemis2389BCA836FD.26568.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

Adding an access-denied ACE

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

Setting a global event handler for the keyboard

Connection attempt to an infection source

Enabling autorun by creating a file

Result

Threat name:

Remcos

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/494437

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

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 dropped file

Multi AV Scanner detection for submitted file

Sigma detected: Scheduled temp file as task from temp location

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

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:

remcos

Link:

https://mwdb.cert.pl/sample/76d694e6cd2c80db5b3e4a46497548a424e0f1babf5c36402cc48060ebe5ced0/

Threat name:

ByteCode-MSIL.Backdoor.Remcos

Status:

Malicious

First seen:

2020-10-17 10:55:15 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=o3ljjzwnfsanwwz6jjdes5kiuqsob4n2x5odmqbmysagb27fz3ia._file

Verdict:

malicious

Label(s):

remcos

RemcosRAT

1a1924da9d272ea46f8a0a62d7e2ecf01746e9a7621c8b1c36950788c3a3bd8c

RemcosRAT

485c1301f4bc84bc2d274f53222cf7ca5fbd8af8728d1aaa977a6574f577fb87

RemcosRAT

4ca67f02ee334674afe88b3a4329449ecbfb8d9f83ceccc9198c5edecdafa96b

RemcosRAT

71d7c76b658053e46f6dff1e25fc4ed32bdbe2afd879ce510ce79d327c34bc31

RemcosRAT

736bd7b09aa1e987edac64868cc8e5db0d86e709652e0588e2023d052f3def8f

RemcosRAT

80f45086395417ea3bda68a20d2fc5b0bc5050c000023d82544fd2b5b5a8ce89

RemcosRAT

8698337edbeaff1bcd719babffa69ff876d5ee74349886e5cba349b7cae7e19f

RemcosRAT

be83ef519ed5e3e444b10b4dd8a77515cda4993c6ce69f565405c9c2bd0901bc

RemcosRAT

d7c62c1526c39e136b5c7a703c92ec5f8a67c987a7414e0cbb145172671a2293

RemcosRAT

+ 878 additional samples on MalwareBazaar

Result

Malware family:

remcos

Score:

10/10

Tags:

rat family:remcos

Link:

https://tria.ge/reports/201017-zd4s4d5gka/

Behaviour

Creates scheduled task(s)

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Remcos

Unpacked files

SH256 hash:

76d694e6cd2c80db5b3e4a46497548a424e0f1babf5c36402cc48060ebe5ced0

MD5 hash:

2389bca836fde66f64217cbddf05b392

SHA1 hash:

77c127eed2024321732c184eba438db7b4dd0f8e

Link:

https://www.unpac.me/results/45b00c06-407f-4eb1-b0d0-93f3d2cc96fb/

SH256 hash:

e3361f56215ce9e35cdf56fb2ce8b9fd6ac1db5c8f4cb73888c60d386352c151

MD5 hash:

788dcb7a6e6659297721995b7ba51db9

SHA1 hash:

934899a73f5264f1e6628ef5df9c596d557bf402

Link:

https://www.unpac.me/results/45b00c06-407f-4eb1-b0d0-93f3d2cc96fb/

SH256 hash:

41be13820045155abac4c0599e41d78a6ae8643420ab5f81fdf233acec9ffc22

MD5 hash:

70f6008f27bb8596a51991ee8b68b693

SHA1 hash:

aeded421adefd3bb114f83d29f8d823caa9c042d

Link:

https://www.unpac.me/results/45b00c06-407f-4eb1-b0d0-93f3d2cc96fb/

SH256 hash:

bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049

MD5 hash:

a92cc1f6e0a2742350dfda6726db14c0

SHA1 hash:

e5404e3ed46498deb8ad8966a774540c2b8e9c1e

Link:

https://www.unpac.me/results/45b00c06-407f-4eb1-b0d0-93f3d2cc96fb/

SH256 hash:

0f2574db1d5043944e5c9ed2d83bfc450032382659b9a3150dd17cb75b18fe5b

MD5 hash:

14e8e83ee21b6a0be310741ccf866721

SHA1 hash:

216902b0fcf0d206ae3f667bf4535a0232cbb9b4

Detections:

win_remcos_g0

win_remcos_auto

Link:

https://www.unpac.me/results/45b00c06-407f-4eb1-b0d0-93f3d2cc96fb/

Parent samples :

fc0abbcd2fbe032bc1bda90e14e1d029dfcf42ab6b98def50a47ff8823aa2349
76d694e6cd2c80db5b3e4a46497548a424e0f1babf5c36402cc48060ebe5ced0
fc7fd37bff4982766c447be231c86ac253be2ec80f18f693ff50b46f66c0f054
2ac56457e5dfd887f318ab16bbc8fa9711095b8cb4cae99f5a34358c9a8502f0
a362c422dd9a2c24a7cc96dc14244742d24274b78da4b0a27157ac9e7c38b04a
b35741dc7b3748ad255394b04aa0b6f2a25fda177ba6ad504a2b802f555c33b2
3e369df40fa1613981245f3c71f9dd443dab8933e854b15de9735b5be53ef8fb

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

Threat name:

Starter

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/76d694e6cd2c80db5b3e4a46497548a424e0f1babf5c36402cc48060ebe5ced0

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