MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d461810943d78b803fbc9a0ea85d16325af10764243d7d3d6b7b24d52efe685c. 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: 2


Intelligence 2 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d461810943d78b803fbc9a0ea85d16325af10764243d7d3d6b7b24d52efe685c
SHA3-384 hash: 01f32ba4d5552b7dd04b2fe8b55fc6f51aa793c50ac13da5ea5988d2873a5ad1f141551e4786fe8c33765e4c209cb456
SHA1 hash: 148ab635c3d0250963c00b5702e3d2ba534d1b5a
MD5 hash: 4737253a5c71548b924a422fa4dc40ea
humanhash: ohio-single-monkey-angel
File name:Bank Of America Remittance Advice.xlsm
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:109'546 bytes
First seen:2020-05-22 06:34:29 UTC
Last seen:2020-05-22 08:03:13 UTC
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 3072:lUfuUqlkagIFWgUWz31dO0olOfafIOXLM:lUGUqlk2UWzlT4OfobM
TLSH F8B36C07D913B05FC516047113B778E2EA7606A3BB670F8F2F0569B099036EAFA31D69
Reporter abuse_ch
Tags:BOA geo RemcosRAT USA xlsm


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: serve0.japerez.pw
Sending IP: 173.82.94.38
From: Bank of America Remittance and Payment Services <directpayremittance-advice@mail.payments.invoices.boa.com>
Subject: Bank Of America ACH Remittance Notification_2122005
Attachment: Bank Of America Remittance Advice.xlsm

RemcosRAT payload URL:
http://111.90.149.244/svc.exe

RemcosRAT C2:
eastsidepapi.myq-see.com:6996 (194.5.99.151)

Pointing to nVpn:

% Information related to '194.5.99.0 - 194.5.99.255'

% Abuse contact for '194.5.99.0 - 194.5.99.255' is 'abuse@inter-cloud.tech'

inetnum: 194.5.99.0 - 194.5.99.255
netname: Privacy_Online
remarks: ------------------------------------------------------------------------
remarks: This prefix is used by a non-logging VPN service provider.
remarks: We don't log any user activities.
remarks: We don't host anything else on our servers than VPN software (OpenVPN,
remarks: IKEv1 & 2, WireGuard ...).
remarks: Our customers can open up to 8 Ports (TCP & UDP).
remarks: We support the Tor Project: https://www.torproject.org
remarks: Before sending us potential complaints, please read:
remarks: https://www.torservers.net/abuse.html
remarks:
remarks: We are under constant pressure by Spamhaus.
remarks: Spamhaus issues tons of fake SBL listings in order to destroy our service.
remarks: They use fake identities, violate EU laws and hide outside the EU in
remarks: Andorra to avoid legal consequences.
remarks: Please don't trust this organization.
remarks: If you have any questions related to our service, please contact us
remarks: directly via e-mail: support@inter-cloud.tech
remarks:
remarks: Thank you.
remarks: ------------------------------------------------------------------------
admin-c: RA9926-RIPE
tech-c: RA9926-RIPE
org: ORG-NFAS6-RIPE
country: GB
status: ASSIGNED PA
mnt-by: inter-cloud-mnt
created: 2019-07-20T20:42:53Z
last-modified: 2020-03-10T21:28:31Z
source: RIPE

Intelligence

File Origin
# of uploads :
2
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilDoc.DOCXSTRGOOD..EXE.200225.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXRSTRGOOD.NEW-OBJECT.200322.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
Document-Word.Trojan.Rdn
Create hunting rule
Status:
Malicious
First seen:
2020-05-22 07:51:42 UTC
File Type:
Document
Extracted files:
28
AV detection:
13 of 31 (41.94%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Link:
https://tria.ge/reports/201109-8f8g78q8as/
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Suspicious use of FindShellTrayWindow
Office loads VBA resources, possible macro or embedded object present
Blacklisted process makes network request
Process spawned unexpected child process
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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences
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

File information

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

Malspam

RemcosRAT

Excel file xlsm d461810943d78b803fbc9a0ea85d16325af10764243d7d3d6b7b24d52efe685c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/365270/
  
Delivery method
Distributed via e-mail attachment

Comments