MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e035c0475a5447371bbe31537fb8410273c51d86d16e47d631538f5ce5b0d87d. 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: 8


Intelligence 8 IOCs YARA 9 File information Comments

SHA256 hash: e035c0475a5447371bbe31537fb8410273c51d86d16e47d631538f5ce5b0d87d
SHA3-384 hash: 68d500910edb331591f422e5a65de56660f0d3435b8a9672c9195bcf333e779f561307ead93b793719129eec2c1fc573
SHA1 hash: 1d0e0559d51fa27103a104426d11991f7b5ddd8b
MD5 hash: c44d66c5d6d0a9afd9545d1e0102ab48
humanhash: connecticut-fifteen-alaska-failed
File name:Facturas de datos bancarios FA00001120.pdf.exe
Download: download sample
Signature RemcosRAT
File size:917'136 bytes
First seen:2021-02-16 13:57:45 UTC
Last seen:2021-02-16 15:38:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 64b747126920f2db0c64929f48d320a0 (10 x RemcosRAT)
ssdeep 12288:DOzzcxrBWwx/vdym2RHAxMGD5usGjgACoDaMycZ+HB9:DUzQJ1Z2xzGDAsG0AtDocGB9
Threatray 1'577 similar samples on MalwareBazaar
TLSH 7915D5F2E85A8E31F05B143DE58EF6381826BCF1391D846A5EE4BF05AAA372C3511477
Reporter abuse_ch
Tags:ESP exe geo RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: cloudhost-2290780.us-midwest-1.nxcli.net
Sending IP: 8.36.41.54
From: Elena <mainca@mainca.com>
Subject: Facturas de datos bancarios FA00001120
Attachment: Facturas de datos bancarios FA00001120.pdf.iso (contains "Facturas de datos bancarios FA00001120.pdf.exe")

RemcosRAT C2:
god111favour.ddns.net:4693 (23.105.131.129)

Intelligence


File Origin
# of uploads :
2
# of downloads :
116
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
DNS 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
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
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 steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Creates a thread in another existing process (thread injection)
Detected Remcos RAT
Found malware configuration
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 submitted file
Sigma detected: Remcos
Uses an obfuscated file name to hide its real file extension (double extension)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Delf
Status:
Malicious
First seen:
2021-02-16 13:45:48 UTC
AV detection:
19 of 27 (70.37%)
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:
6c5faf9784abeff03bdbe2522b9da9862ac8eb9d333f608f8ef28719565968df
MD5 hash:
dff8986eae6a2b85730955c35b506f1a
SHA1 hash:
0b20d24bdd350524c25f5d513d1b3f8e4315c989
SH256 hash:
e035c0475a5447371bbe31537fb8410273c51d86d16e47d631538f5ce5b0d87d
MD5 hash:
c44d66c5d6d0a9afd9545d1e0102ab48
SHA1 hash:
1d0e0559d51fa27103a104426d11991f7b5ddd8b
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 e035c0475a5447371bbe31537fb8410273c51d86d16e47d631538f5ce5b0d87d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments