MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 56fec820ce36b3b5f155dba31e5ba880078fc7bcc6420fc2fb4ca5af6ac5725b. 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: 9


Intelligence 9 IOCs YARA 9 File information Comments

SHA256 hash: 56fec820ce36b3b5f155dba31e5ba880078fc7bcc6420fc2fb4ca5af6ac5725b
SHA3-384 hash: 095e80a5a971b52d2e0f58e751e9a455f04f7f9195e906b43243edd010fda35b9255f5c9444e8f50c94daf553075c709
SHA1 hash: 5312535800f15bd5da35630dbe2d599dc69ae48b
MD5 hash: 36d7712774d0d489809eb768f1e8a7e7
humanhash: sad-pluto-robert-eight
File name:FACA000400007998.pdf.exe
Download: download sample
Signature RemcosRAT
File size:765'184 bytes
First seen:2021-02-05 18:43:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3006b9ec633343c82818c9662a67f7ee (3 x RemcosRAT)
ssdeep 12288:j9VGYp+A0bI8LK1cofUCje+OTDD+1TW+n/nbdEtsCz:jHiA0MWnOUCjl2DuTW+vbmxz
Threatray 1'538 similar samples on MalwareBazaar
TLSH 8FF46BA566800832E07616B99C4B9354CC2B7C832548777D97E5F9CF6A3035C3AAF93B
Reporter abuse_ch
Tags:exe nVpn RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: cyberwave2.quape.com
Sending IP: 103.69.130.164
From: Valmont Industria E Comercio Ltd. <comercial5@valmont.com.br>
Subject: EnvĂ­o de facturas
Attachment: FACA000400007998.pdf.iso (contains "FACA000400007998.pdf.exe")

RemcosRAT C2:
zubby2468.hopto.org

Intelligence


File Origin
# of uploads :
1
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FACA000400007998.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-02-05 18:49:26 UTC
Tags:
rat remcos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
DNS request
Sending a custom TCP request
Creating a file
Deleting a recently created file
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Connection attempt to an infection source
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:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates a thread in another existing process (thread injection)
Detected Remcos RAT
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Infostealer.Fareit
Status:
Malicious
First seen:
2021-02-05 16:14:12 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos persistence rat
Behaviour
Suspicious use of WriteProcessMemory
Adds Run key to start application
Remcos
Unpacked files
SH256 hash:
38919c96274afe44c440fa298fc363e1217dfa355da38dd4de2ef213808870c2
MD5 hash:
c3d226b590a22cb9f1aa308748ff47dd
SHA1 hash:
64504ed945df46476fc3ac19dd42972966206e52
SH256 hash:
56fec820ce36b3b5f155dba31e5ba880078fc7bcc6420fc2fb4ca5af6ac5725b
MD5 hash:
36d7712774d0d489809eb768f1e8a7e7
SHA1 hash:
5312535800f15bd5da35630dbe2d599dc69ae48b
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
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Rule name:win_remcos_auto
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

Executable exe 56fec820ce36b3b5f155dba31e5ba880078fc7bcc6420fc2fb4ca5af6ac5725b

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments