MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ee505d0a247498c2c5bf50ba64fc06d81ca31e18955d977e035992260173c27. 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 10 File information Comments

SHA256 hash:	4ee505d0a247498c2c5bf50ba64fc06d81ca31e18955d977e035992260173c27
SHA3-384 hash:	7eb5d301855ef160049484008607a366d9595a05fd06b0fb294515dd0380685179905f766302117237332dd1dcfbb381
SHA1 hash:	e9f7f0c942ddf7c486400e90cccb93c1bb60e916
MD5 hash:	7886b27b231b8fd27bd7117a40c09dae
humanhash:	hot-sodium-utah-alanine
File name:	7886b27b231b8fd27bd7117a40c09dae.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	879'104 bytes
First seen:	2021-05-12 10:43:45 UTC
Last seen:	2021-05-12 11:01:48 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	24576:74cplsGQERyBQgBPV0SQ8uXGNosRQqVkBIJ/:7tplsVRH1VRQ4NuqcIR
Threatray	214 similar samples on MalwareBazaar
TLSH	5015230E137EC3ACC2AF1ABA00D3841057B5BA427713F70124356BB66D532D6CEABE56
Reporter	abuse_ch
Tags:	exe RAT RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

135

Origin country :

n/a

Vendor Threat Intelligence

Detection:

Remcos

Link:

https://www.capesandbox.com/analysis/155245/

Detection(s):

SecuriteInfo.com.Scr.Malcodegdn30.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

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.

Result

Threat name:

Remcos

Detection:

malicious

Classification:

rans.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/779758

Signature

Adds a directory exclusion to Windows Defender

C2 URLs / IPs found in malware configuration

Contains functionality to capture and log keystrokes

Contains functionality to inject code into remote processes

Contains functionality to register a low level keyboard hook

Contains functionality to steal Chrome passwords or cookies

Contains functionality to steal Firefox passwords or cookies

Contains functionalty to change the wallpaper

Delayed program exit found

Detected Remcos RAT

Found malware configuration

Injects a PE file into a foreign processes

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

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

Yara detected AntiVM3

Yara detected Remcos RAT

Behaviour

Behavior Graph:

Download SVG

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/4ee505d0a247498c2c5bf50ba64fc06d81ca31e18955d977e035992260173c27/

Threat name:

Win32.Trojan.AgentTesla

Status:

Malicious

First seen:

2021-05-11 20:56:40 UTC

AV detection:

24 of 47 (51.06%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=j3sqlufci5eyylc36uf2mt6anwa4umpbrfk5s57agwmseyaxhqtq._file

Verdict:

malicious

Label(s):

remcos

RemcosRAT

3f660786b550699a60b00ffe1d0339879de63198ebc87a1af9c37f3f5d4ee031

RemcosRAT

7354d7b72412d523ae9d7509500a345cda95bdd2b4a1a34c0ae1d59093d9e38f

RemcosRAT

982275f602e1cfae76b1b7e1b6bc2683c1a62e4173625fc6041e1c83f2e811ce

RemcosRAT

9cc577a17856f7e178975cc513fe1ce2afdfc5f30bac68852b6f06e18fb0b091

RemcosRAT

aff52900376b64064617bf5f18810e60069d8551ff57dd144cbc43c60eaffb35

RemcosRAT

bcb1d4be5d90089602ec881732a69337c591f5fa07fc497490283e9cb4215b24

RemcosRAT

d53578f79377fcdaac771bf6825dfcf457dde8f7f5d3e805ab41c1ae47c94e1d

RemcosRAT

dfeaef515d92681d5d23ace741b56e14ec71b9042427874c15ef2db030c47b95

RemcosRAT

ef49979c364de8da6603a9600ac30ea61c6712482bcf789a46a1efebb74a7510

RemcosRAT

+ 204 additional samples on MalwareBazaar

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos rat upx

Link:

https://tria.ge/reports/210512-leetnccmdn/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

UPX packed file

Remcos

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

Threat name:

AgentTesla

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/4ee505d0a247498c2c5bf50ba64fc06d81ca31e18955d977e035992260173c27

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:	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer Create hunting rule
Author:	ditekSHen
Description:	detects Windows exceutables potentially bypassing UAC using eventvwr.exe

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:	pe_imphash Create hunting rule

Rule name:	remcos_rat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	REMCOS_RAT_variants Create hunting rule

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

Rule name:	suspicious_packer_section Create hunting rule
Author:	@j0sm1
Description:	The packer/protector section names/keywords
Reference:	http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/