MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2bc690b250672666e2a34800b808d748773492e1d250034505239d03b7882f4b. 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: 7

Intelligence 7 IOCs YARA 9 File information Comments

SHA256 hash:	2bc690b250672666e2a34800b808d748773492e1d250034505239d03b7882f4b
SHA3-384 hash:	7cb86a6a19e3306c8b1c99d845aa316581f25de972d6335ae664f4352b96c0156cf3cc39647122747c502e0567f42899
SHA1 hash:	2ea6b9defe7286687c1fb6c26f7e90ad200fd1c4
MD5 hash:	03cbf1b9632c3bcd5c979a05f90b160f
humanhash:	red-chicken-white-twenty
File name:	03cbf1b9632c3bcd5c979a05f90b160f.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	1'146'880 bytes
First seen:	2021-04-21 15:06:39 UTC
Last seen:	2021-04-21 16:07:26 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	24576:EkGYuog91VXlpWbkyyUxgeSieovLpRRRRRK8:mYmK7Dh5LpRRRRRK8
Threatray	75 similar samples on MalwareBazaar
TLSH	69358D2EE66DAB00DAF44B36D0E45870907A9C23E602F97F98C83AAD4FF17FD5051A15
Reporter	abuse_ch
Tags:	exe RAT RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

128

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/142213/

Detection(s):

SecuriteInfo.com.W32.MSIL_Kryptik.DZG.genEldorado.28642.29351.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Result

Verdict:

UNKNOWN

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/691314

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 domain / URL

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)

Yara detected AntiVM3

Yara detected Remcos RAT

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2bc690b250672666e2a34800b808d748773492e1d250034505239d03b7882f4b/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2021-04-21 15:15:07 UTC

AV detection:

19 of 29 (65.52%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=fpdjbmsqm4tgnyvdjaalqcgxjb3tjexb2jiagrifeooqhn4if5fq._file

Verdict:

unknown

RemcosRAT

56ee229433098f5a7d7dc066e4a66ddfc45f2af20188a9e9fab38a059ccce045

RemcosRAT

65778b8834d7849f816c747ae7f3dfc5466ded7781b34959d53cb1a544aaeef5

RemcosRAT

7e07bde93d122c059f5b159267f273d05ff8ac8bec540f3ae3bc7c8cd32f1fc7

RemcosRAT

9ba8dc8c46b2589bf035f4d4ab04e1e87b2abd8ace34166c28e64cba4919c270

RemcosRAT

a433e37681474497ad96a280d9578620c8875d1f99445ca976a84bf3bda3e008

RemcosRAT

b0f770f98c7385bdc31fdb8429b6d6e31e40a005cfdaeb9539f92eac357ba486

RemcosRAT

bd8ac6b941f751e4ed4cfebb5f840713fdf905e9ce576f66997f0eb9489a788d

RemcosRAT

c41ed5dd41446e88d3d14ccab8d52c7581c6d09dc6ce14c05866384ac5a1ee37

RemcosRAT

e6dbcc202b8d166379ceeb66411a00bc1d69b92c91e4ca0cc6989783309b7142

RemcosRAT

+ 65 additional samples on MalwareBazaar

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos rat upx

Link:

https://tria.ge/reports/210421-nn969w1bbj/

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/2bc690b250672666e2a34800b808d748773492e1d250034505239d03b7882f4b

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:	remcos_rat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	REMCOS_RAT_variants Create hunting rule

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/