MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d455d29b53451b46b3c2cdb273e460d74b9d43f35d8fafeccc0590ed508269d1. 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: 10

Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash:	d455d29b53451b46b3c2cdb273e460d74b9d43f35d8fafeccc0590ed508269d1
SHA3-384 hash:	28ef9a98250840ccfb166164078e26bc6099cc570aff033beb14ebed8cfb6f8434b7d19546b8f9c51b1d8171202ba586
SHA1 hash:	c3e5e872e3579b8c53aee2dc2bf9b288d70a05db
MD5 hash:	a68fb0475aee23aa7e1154b5055bddc1
humanhash:	march-cup-winter-thirteen
File name:	NEW_Purchasing_Order_00036501201321.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	393'392 bytes
First seen:	2020-08-13 14:16:43 UTC
Last seen:	2020-08-13 14:54:13 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	6144:FccrZ9oi2JAtF6ioG0PWQMvjV2v+TPIuX80OY/y6gsk96kADLs0:drZ9oItFL5sOAGTU0OY/noL0
Threatray	932 similar samples on MalwareBazaar
TLSH	5984BF3E36904F11D96D197DC5E3953407F2BA83A676D6863E485ECA2F023A18D8B3CD
Reporter	abuse_ch
Tags:	exe RemcosRAT

abuse_ch

Malspam distributing RemcosRAT:

HELO: shivalikprints.com
Sending IP: 139.64.247.73
From: Para Global<manojsingla@shivalikprints.com>
Subject: New Customer Order
Attachment: NEW_Purchasing_Order_00036501201321.rar (contains "NEW_Purchasing_Order_00036501201321.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

Remcos

Link:

https://www.capesandbox.com/analysis/45226/

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

Sending a TCP request 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/426572

Signature

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

.NET source code contains very large array initializations

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

Initial sample is a PE file and has a suspicious name

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:

remcos

Link:

https://mwdb.cert.pl/sample/d455d29b53451b46b3c2cdb273e460d74b9d43f35d8fafeccc0590ed508269d1/

Threat name:

ByteCode-MSIL.Backdoor.Remcos

Status:

Malicious

First seen:

2020-08-13 14:18:07 UTC

AV detection:

25 of 29 (86.21%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=2rk5fg2tiununm6czwzhhzda25fz2q7tlwh273gmawio2uecnhiq._file

Verdict:

malicious

Label(s):

remcos

RemcosRAT

24eca73bdfe58a8028304039adf4b102f5185aaa551c033741267342c8f59e7b

RemcosRAT

2f07a5d8c1e6ac465e5d306b0fb8335aa41f3204b9bf9793337a849a93921a9a

RemcosRAT

397545efcbf53bebabdb003bbe9f8b619b7ffdd5383c21ecd9e99c6de3e3cd83

RemcosRAT

3bdfaf82d5d56f2546be44b3355f8d72cc0508984586e0fba3d704a5adabf7d1

RemcosRAT

64ba0f4265f9ed3f3f9315ee0256b360827074d5f898a7eb07ed98dd5f7fec7e

RemcosRAT

81b135119adbe6ad608d9d31aff02e931324c4af47e630c38bb8056c74ee254a

RemcosRAT

b3ae13e392ebe3eec95949395786577344472af7588ed1db4577c597a417e8a4

RemcosRAT

c8c1e04edd5c422d065e27a3a73931d373de200419cd9ba649fdfadee686e5f2

RemcosRAT

d69aa1932b2e702e5065ee19da9fc9cf2b05e7dbaa617141b14eaa501a14955e

RemcosRAT

+ 922 additional samples on MalwareBazaar

Result

Malware family:

remcos

Score:

10/10

Tags:

rat family:remcos

Link:

https://tria.ge/reports/200813-d3yxs27txx/

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.envisiensintl.com:5200

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/d455d29b53451b46b3c2cdb273e460d74b9d43f35d8fafeccc0590ed508269d1

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