MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 97950fbe40dd26ac4eabd641e8bae0fc8f23ce04e3c4cf06ad5e451389b80556. 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: 9

Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash:	97950fbe40dd26ac4eabd641e8bae0fc8f23ce04e3c4cf06ad5e451389b80556
SHA3-384 hash:	3124f5211d46518af781e433f9aaacd772b58cf6711ce82c4f047442d9990155b0c9f00e33137cf9a0583fbb7ff12c95
SHA1 hash:	b880819d8f88c0382ddfb4073b927f0e0ec2bf97
MD5 hash:	94b2988b5446a35c848ec952129efdfb
humanhash:	one-eighteen-mexico-sink
File name:	SHIPPING_DOCUMENTS_0001202931.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	298'160 bytes
First seen:	2020-08-15 17:27:45 UTC
Last seen:	2020-08-15 18:33:28 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	6144:/CDlP2rPFwsM6VurFxebhR88Ow/yCR8Nbk96kADrsE:/Ch2bWsPqTchy8Ow/52NmrE
TLSH	94540124BBA38D02C67D6A3EE4E112101732AB4711A3DB4F75AD6E163F127C71E416EE
Reporter	abuse_ch
Tags:	DHL exe RAT RemcosRAT

abuse_ch

Malspam distributing RemcosRAT:

From: DHL Express<India@dhl-news.com>
Subject: Original Shipping Documents
Attachment: SHIPPING_DOCUMENTS_0001202931.rar (contains "SHIPPING_DOCUMENTS_0001202931.exe")

RemcosRAT C2:
www.valjan.in:5200 (185.19.85.183)

% Information related to '185.19.84.0 - 185.19.85.255'

% Abuse contact for '185.19.84.0 - 185.19.85.255' is 'abuse@datawire.ch'

inetnum: 185.19.84.0 - 185.19.85.255
netname: DATAWIRE-DATACENTERS
descr: CUSTOMERS ZG01
country: CH
admin-c: DA4314-RIPE
tech-c: DA4314-RIPE
status: ASSIGNED PA
mnt-by: DATAWIRE-NOC
created: 2013-09-23T14:18:55Z
last-modified: 2013-09-23T14:18:55Z
source: RIPE

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

Remcos

Link:

https://www.capesandbox.com/analysis/46340/

Detection(s):

PUA.Win.Trojan.Generic-6629274-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Unauthorized injection to a recently created process

DNS request

Adding an access-denied ACE

Launching a process

Creating a file

Creating a file in the %AppData% subdirectories

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/432082

Signature

.NET source code contains method to dynamically call methods (often used by packers)

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

Creates an undocumented autostart registry key

Detected Remcos RAT

Executable has a suspicious name (potential lure to open the executable)

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Malicious sample detected (through community Yara rule)

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

Yara detected Remcos RAT

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/97950fbe40dd26ac4eabd641e8bae0fc8f23ce04e3c4cf06ad5e451389b80556/

Threat name:

ByteCode-MSIL.Backdoor.Remcos

Status:

Malicious

First seen:

2020-08-15 12:55:20 UTC

AV detection:

25 of 29 (86.21%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=s6kq7psa3utkytvl2za6roxa7shshtqe4pcm6bvnlzcrhcnyavla._file

Verdict:

malicious

Label(s):

remcos

Result

Malware family:

remcos

Score:

10/10

Tags:

rat family:remcos

Link:

https://tria.ge/reports/200815-jk8rgtjj8e/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Remcos

Malware Config

C2 Extraction:

www.valjan.in:5200

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

Threat name:

Kryptik

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/97950fbe40dd26ac4eabd641e8bae0fc8f23ce04e3c4cf06ad5e451389b80556

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