MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19. 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: 18

Intelligence 18 IOCs YARA 9 File information Comments 1

SHA256 hash:	9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19
SHA3-384 hash:	bdbf8b006704b77ec6f5de80e48de2ef651ee4ca287dd7c4ef3e01f693340a04f2bfed9970924dd1422dee64db72ccd2
SHA1 hash:	e2a50fc533c62e2dd8ff12a9cbc91693579f7ead
MD5 hash:	ddfffbdbb97818dc43696266e7a1335d
humanhash:	muppet-connecticut-high-purple
File name:	ddfffbdbb97818dc43696266e7a1335d
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	1'608'192 bytes
First seen:	2023-06-01 20:20:26 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	24576:saC2JbUKFFbLwWfHoo+ha5B1YORJSoabGcUBD8KM99KUak/2j2I:R3WeF+EZJMws
Threatray	1'994 similar samples on MalwareBazaar
TLSH	T1B4750272698AFEF9B7BE0D24DC4536400C906EFB825C80D9E88876AED1F5924DD85CF4
TrID	63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.2% (.SCR) Windows screen saver (13097/50/3) 9.0% (.EXE) Win64 Executable (generic) (10523/12/4) 5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter	zbetcheckin
Tags:	32 exe RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

303

Origin country :

Vendor Threat Intelligence

Malware family:

remcos

ID:

File name:

ed169df02cbfcdd3b95171b03e5100a7ba55550e4eb4e85f770fbd34a8ee4b29.zip

Verdict:

Malicious activity

Analysis date:

2023-06-01 17:32:26 UTC

Tags:

opendir exploit cve-2017-11882 loader remcos

Link:

https://app.any.run/tasks/bf682b47-b798-4e27-9dc1-11a294a81f06

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

Remcos

Link:

https://www.capesandbox.com/analysis/394624/

Detection(s):

SecuriteInfo.com.IL.Trojan.MSILZilla.28189.13662.19795.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a custom TCP request

Creating a file in the %AppData% subdirectories

Unauthorized injection to a recently created process

Creating a file

Сreating synchronization primitives

DNS request

Sending an HTTP GET request

Enabling autorun

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

lolbin packed

Link:

https://www.filescan.io/uploads/6478fdb48d20256c9d2a0b92/reports/004b71e2-8c9a-490b-a3b2-04885b0e5d85/overview

Verdict:

Malicious

Labled as:

IL:Trojan.MSILZilla

Link:

https://www.hybrid-analysis.com/sample/9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Malware family:

REMCOS

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/339fb207-0a91-41f2-b6a8-b3d5668ac00a

Result

Threat name:

Remcos

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1247188

Signature

.NET source code contains potential unpacker

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Connects to many ports of the same IP (likely port scanning)

Contains functionality to bypass UAC (CMSTPLUA)

Contains functionality to modify clipboard data

Contains functionality to steal Chrome passwords or cookies

Contains functionality to steal Firefox passwords or cookies

Creates an undocumented autostart registry key

Delayed program exit found

Found malware configuration

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: Remcos

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

Uses dynamic DNS services

Yara detected Remcos RAT

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19/

Threat name:

ByteCode-MSIL.Trojan.Zilla

Status:

Malicious

First seen:

2023-06-01 16:09:53 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ta24wzea2ei5pc6pbwokqrgg2og6cmwsqutyr67vsidcmitcvimq._file

Verdict:

malicious

Label(s):

remcos

RemcosRAT

2b4c534df5fe4c7ee7a402f384109cb60b54c7f301ef8644e7b1eba397d89f2b

RemcosRAT

32fcd31207c5e310957801fca81578c9dcba9ed3515809f62a7d50d93ad033db

RemcosRAT

3c2ffc42864aba9e07bb8cd494141ea7125a2d24a8717f0cf0a33da8020dbdfb

RemcosRAT

6053c5c3a4202b8c2e6b2f176a99c980233f63024be06b67d3a30e2f0b4470f4

RemcosRAT

aa2caafd9a1d53df2112c9081fb5686e04283be0da13d94bacdfc8c9addf0c34

RemcosRAT

cadf95355bd6ea18fdd3555ea3f85d102f40b3df0dc36b332f9ad8b505105f6e

RemcosRAT

d1bf519ef2239d318f3252c8cdf5d4ee96b37473d58e80098724e0837c00e486

RemcosRAT

+ 1'984 additional samples on MalwareBazaar

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:remotehost persistence rat

Link:

https://tria.ge/reports/230601-y4zn2agg9y/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Modifies WinLogon for persistence

Remcos

Malware Config

C2 Extraction:

pekonomia.duckdns.org:30861

Unpacked files

SH256 hash:

ff8c24bce1eb009f0d5c47a09b96caf02726c285cea0d635082ad4da27e63d1b

MD5 hash:

9d6ec6072ee1814a4a01d1eb3fb67ba1

SHA1 hash:

d0b416de1c900b6bcb35dc182b2e8744f16c3289

Link:

https://www.unpac.me/results/959c1365-9b1f-4466-ab67-6cb707a0fd6b/

SH256 hash:

eec0d2daa841f96e9b3004ffd2aed63a0993ab4b509b1f347f425092b5664c2d

MD5 hash:

f50a0f51a89ec06199b29514788170ee

SHA1 hash:

cca62b7dd60b8e1553ed2226a1777cd925d0d702

Detections:

win_remcos_auto

Link:

https://www.unpac.me/results/959c1365-9b1f-4466-ab67-6cb707a0fd6b/

SH256 hash:

897c3d8cadb6bbb1615f0403566c48f27684629ba51e03ca0eea1054341fd1e7

MD5 hash:

6aaba673505fca057f306c460a412345

SHA1 hash:

b59ecc922e0690955a71cbd29df807ed5abbfa24

Link:

https://www.unpac.me/results/959c1365-9b1f-4466-ab67-6cb707a0fd6b/

SH256 hash:

5c4a4b231edd0aed15c4a6f5dda40be02b41e7ad7c4e9eaa844f1727aa3ace2e

MD5 hash:

a9208d441c5613e44f75ef6fa10d8cfa

SHA1 hash:

3a8912079eb6bbfd1076a1b880347c4f85dabb00

Detections:

Remcos

win_remcos_auto

Link:

https://www.unpac.me/results/959c1365-9b1f-4466-ab67-6cb707a0fd6b/

Parent samples :

3af90f03d3c66f34961a6a9f07d2df0b51fdebf346900bb5cf564c8956a32a50
a92e5d75ad4b92ef75d516f16ac09d3b2c171ed3c75f137290640db1d3d76162
e849e8325298ed088defa4ce4444202ad386dba396a92bde038a39d05e9ffe8e
5fabd022624a6b5604cf1f927d3b450346abf4ae1553728ed6447d25b7784a87
d1bf519ef2239d318f3252c8cdf5d4ee96b37473d58e80098724e0837c00e486
9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19

SH256 hash:

9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19

MD5 hash:

ddfffbdbb97818dc43696266e7a1335d

SHA1 hash:

e2a50fc533c62e2dd8ff12a9cbc91693579f7ead

Link:

https://www.unpac.me/results/959c1365-9b1f-4466-ab67-6cb707a0fd6b/

Malware family:

Remcos

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/9835cb6480d1/report/overview.html

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/9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19

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:	BitcoinAddress Create hunting rule
Author:	Didier Stevens (@DidierStevens)
Description:	Contains a valid Bitcoin address

Rule name:	iexplorer_remcos Create hunting rule
Author:	iam-py-test
Description:	Detect iexplorer being taken over by Remcos

Rule name:	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM Create hunting rule
Author:	ditekSHen
Description:	Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

Rule name:	pe_imphash Create hunting rule

Rule name:	Remcos Create hunting rule
Author:	kevoreilly
Description:	Remcos Payload

Rule name:	REMCOS_RAT_variants Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	Windows_Trojan_Remcos_b296e965 Create hunting rule
Author:	Elastic Security

Rule name:	win_remcos_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.remcos.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

RemcosRAT

exe 9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2649381/

Cape

https://www.capesandbox.com/analysis/394624/

Comments

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zbet commented on 2023-06-01 20:20:27 UTC

url : hxxp://45.66.230.127/32/hkcmd.exe