MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d1bf519ef2239d318f3252c8cdf5d4ee96b37473d58e80098724e0837c00e486. 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: 17

Intelligence 17 IOCs YARA 9 File information Comments

SHA256 hash:	d1bf519ef2239d318f3252c8cdf5d4ee96b37473d58e80098724e0837c00e486
SHA3-384 hash:	7ee79506384caef37a8a632d2f8bb7b4143bb6e001c7458e0c1a80ebb599edf4f6086bef3a071ae5050c8b24a8530eaf
SHA1 hash:	fb7b09cf220a19c469b829cb9e856846c924d798
MD5 hash:	993d95f1880cbd2145649f02734b2a94
humanhash:	tennis-charlie-virginia-thirteen
File name:	01550399.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	1'675'776 bytes
First seen:	2023-05-30 07:47:44 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:VJWtmlFiP20Rcc3A0BbqzYRTTTAQvLn8AsVZZhLVEwLwNZ/62cZgbLjVxw:zWMlAP2SpA0BbqStvoAq59w3D
Threatray	2'240 similar samples on MalwareBazaar
TLSH	T13975F1736A43FFFEF3A71DB4D4821D549D80ACA74B5CA0A9ACC855EF33B54149A01AB0
TrID	71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):
dhash icon	64a2b1cc66b6d829 (4 x RemcosRAT)
Reporter	Neiki
Tags:	RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

106

Origin country :

Vendor Threat Intelligence

Malware family:

remcos

ID:

File name:

Modis list.xls

Verdict:

Malicious activity

Analysis date:

2023-05-30 07:27:18 UTC

Tags:

opendir exploit cve-2017-11882 loader stealer remcos

Link:

https://app.any.run/tasks/d3f588cc-3a5c-4d43-8f7b-e14909d8f2e4

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/393379/

Detection(s):

SecuriteInfo.com.Variant.MSILHeracles.53274.11266.31915.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Сreating synchronization primitives

Launching a process

Creating a process with a hidden window

Creating a file in the %AppData% subdirectories

Unauthorized injection to a recently created process

Creating a file

DNS request

Enabling autorun by creating a file

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

packed

Link:

https://www.filescan.io/uploads/6475aa34c37391dd4a49480e/reports/f2e572e1-6d5d-42fc-8221-759076ea6b54/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/d1bf519ef2239d318f3252c8cdf5d4ee96b37473d58e80098724e0837c00e486

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/9f3c7c28-e51d-4ce1-b6c2-544fa76f317f

Result

Threat name:

Remcos

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1244977

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

Encrypted powershell cmdline option 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 domain / URL

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:

n/a

Link:

https://mwdb.cert.pl/sample/d1bf519ef2239d318f3252c8cdf5d4ee96b37473d58e80098724e0837c00e486/

Threat name:

Win32.Trojan.Lazy

Status:

Malicious

First seen:

2023-05-30 07:48:07 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 37 (59.46%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=2g7vdhxseootddzsklem35ou52llg5dt2whiacmhetqig7aa4sda._file

Verdict:

malicious

Label(s):

remcos

RemcosRAT

2b4c534df5fe4c7ee7a402f384109cb60b54c7f301ef8644e7b1eba397d89f2b

RemcosRAT

32fcd31207c5e310957801fca81578c9dcba9ed3515809f62a7d50d93ad033db

RemcosRAT

3c2ffc42864aba9e07bb8cd494141ea7125a2d24a8717f0cf0a33da8020dbdfb

RemcosRAT

6053c5c3a4202b8c2e6b2f176a99c980233f63024be06b67d3a30e2f0b4470f4

RemcosRAT

aa2caafd9a1d53df2112c9081fb5686e04283be0da13d94bacdfc8c9addf0c34

RemcosRAT

cadf95355bd6ea18fdd3555ea3f85d102f40b3df0dc36b332f9ad8b505105f6e

RemcosRAT

+ 2'230 additional samples on MalwareBazaar

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:remotehost rat

Link:

https://tria.ge/reports/230530-jm526agc67/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Checks computer location settings

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/56a6e5e6-03eb-46bf-9c2a-1f680616a840/

SH256 hash:

d1435a00a9bc065eb99800631fa1c81a48fea92085d8f0a51c7d731063e13cd0

MD5 hash:

9a470addeee6059e9c5d6ba98127de0c

SHA1 hash:

6ee0a182b92c9a0a5f3fb89487281879d8153954

Link:

https://www.unpac.me/results/56a6e5e6-03eb-46bf-9c2a-1f680616a840/

SH256 hash:

a3d7510ee16bf28f2148644d5698f9811e1fc9584358bdef6e351a4f32c13fd8

MD5 hash:

e093f53ecedb63934933831efb82c418

SHA1 hash:

6cfed56aeffb220584d34803dcdcc4dad4c5d6c1

Detections:

win_remcos_auto

Link:

https://www.unpac.me/results/56a6e5e6-03eb-46bf-9c2a-1f680616a840/

SH256 hash:

5c4a4b231edd0aed15c4a6f5dda40be02b41e7ad7c4e9eaa844f1727aa3ace2e

MD5 hash:

a9208d441c5613e44f75ef6fa10d8cfa

SHA1 hash:

3a8912079eb6bbfd1076a1b880347c4f85dabb00

Detections:

Remcos

win_remcos_auto

Link:

https://www.unpac.me/results/56a6e5e6-03eb-46bf-9c2a-1f680616a840/

Parent samples :

3af90f03d3c66f34961a6a9f07d2df0b51fdebf346900bb5cf564c8956a32a50
a92e5d75ad4b92ef75d516f16ac09d3b2c171ed3c75f137290640db1d3d76162
e849e8325298ed088defa4ce4444202ad386dba396a92bde038a39d05e9ffe8e
5fabd022624a6b5604cf1f927d3b450346abf4ae1553728ed6447d25b7784a87
d1bf519ef2239d318f3252c8cdf5d4ee96b37473d58e80098724e0837c00e486
9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19

SH256 hash:

d1bf519ef2239d318f3252c8cdf5d4ee96b37473d58e80098724e0837c00e486

MD5 hash:

993d95f1880cbd2145649f02734b2a94

SHA1 hash:

fb7b09cf220a19c469b829cb9e856846c924d798

Link:

https://www.unpac.me/results/56a6e5e6-03eb-46bf-9c2a-1f680616a840/

Malware family:

Remcos

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/d1bf519ef223/report/overview.html

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

Threat name:

Malicious File

Score:

0.87

Link:

https://yomi.yoroi.company/submissions/d1bf519ef2239d318f3252c8cdf5d4ee96b37473d58e80098724e0837c00e486

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 d1bf519ef2239d318f3252c8cdf5d4ee96b37473d58e80098724e0837c00e486

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/2645387/

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/393379/

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