MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b98a4fe09d537a8a4cad4cf74ab32a412d01d9d5942d7f3b969690cffa970905. 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: 5

Intelligence 5 IOCs YARA 2 File information Comments

SHA256 hash:	b98a4fe09d537a8a4cad4cf74ab32a412d01d9d5942d7f3b969690cffa970905
SHA3-384 hash:	7f3e7041bdfa378a08b2ccc9c7d7cb634bcdd349cc56a8a7a87f3ee4325465a70dcdb22b2b649ea0cc420dd8840dee2e
SHA1 hash:	957c58478d1b62af908596c105a0de4ef5db29ad
MD5 hash:	7ed311d593f3ccfa706ac5d5da0d9d8b
humanhash:	ohio-six-texas-emma
File name:	buddata.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	432'128 bytes
First seen:	2020-05-12 07:07:21 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	6144:D9g5pgJJL7XJAnY7ZxLLCMQ5h12Tb7E2tcs0a5fegqgv/h3:DgKJHX+nOZRQCg2rdv
Threatray	985 similar samples on MalwareBazaar
TLSH	BA949D2772464055C86B02F140256BF1AA7BBCF93E49528FE2E9D3181FE384F93165AF
Reporter	abuse_ch
Tags:	BOA exe geo RAT RemcosRAT USA

abuse_ch

Malspam distributing RemcosRAT:

HELO: serve0.merchandiser.pw
Sending IP: 173.82.154.127
From: Bank of America Electronic Payments <noreply.electronic-remitnotifications@edi.1boa.com>
Subject: Bank Of America ACH Payment Notification
Attachment: BOA_ACH Payment Advice.xlsm

RemcosRAT payload URL:
http://aarontveit.net/doc/buddata.exe

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Gathering data

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-05-12 11:04:06 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 30 (73.33%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=xgfe7ye5kn5iutfnjt3uvmzkiewqdwovsqwx6o4ws2im76uxbecq._file

Verdict:

malicious

Label(s):

remcos

RemcosRAT

19efc1df3507cb2addad31eb226196bcacd77ae3bccf11a9b8a0f5c0147b6c34

RemcosRAT

395c9b5c9c1d4703f47afa1f50a8892edd1f4588f6a74cf141c81044064d26c7

RemcosRAT

5e4cb829e7057ea4b48a43354d1714383e326944f8f1fb6a164ddbc478d50671

RemcosRAT

738ea925d9f26dc03c18efd41de5e310285a36eef0147e7767a25dcf3fb1b24d

RemcosRAT

8e28928a582c475fa995b9d487aad1d6b9997c07f4fdab1e449e25adc7cee0d0

RemcosRAT

8e81382d94e87aa1cdc85da08f858ec825bc7ca56011a2c7de2b42f7740b5f85

RemcosRAT

eb014a8ce4cf51f56669eccfdf4acb02794efb3897323cbe066a36194f693b85

RemcosRAT

eee72be9b19c5e0fa5fd1b5404798a7ccd5b73830249562f9465583004980a18

RemcosRAT

f332609731fb4f454cc0a03829a8dcd98b3f2b199f9ffedb7b6b0a42c1ee2180

RemcosRAT

+ 975 additional samples on MalwareBazaar

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos agilenet persistence rat

Link:

https://tria.ge/reports/201109-ekgg738nca/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Program crash

Suspicious use of SetThreadContext

Adds Run key to start application

Loads dropped DLL

Obfuscated with Agile.Net obfuscator

Executes dropped EXE

ServiceHost packer

Remcos

Malware Config

C2 Extraction:

eastsidepapi.myq-see.com:6996

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

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