MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52fa8487efeb8b203fb1f37501c366088b71de4ded620695ba2e34e8c0f446a2. 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: 10


Intelligence 10 IOCs YARA 9 File information Comments

SHA256 hash: 52fa8487efeb8b203fb1f37501c366088b71de4ded620695ba2e34e8c0f446a2
SHA3-384 hash: 99c403925a587196500709ef116dc83986c51f4023846b83ace1f9872650cfb2a8d0254aef996d04ab12ca76e18dfc7c
SHA1 hash: fd89753641176810d322edd3b5e7fac62bb74f2e
MD5 hash: 85b5b0e55d100dced0fd1467016d97ea
humanhash: alpha-one-lake-neptune
File name:attched file.exe
Download: download sample
Signature RemcosRAT
File size:927'712 bytes
First seen:2021-02-15 19:45:07 UTC
Last seen:2021-02-15 21:49:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f228986deddd0a2624405de57a5157a5 (3 x RemcosRAT, 1 x Formbook, 1 x AgentTesla)
ssdeep 12288:KMndyoft/z3WuigCItGkRzowJ/mDCoDaMycZ+wvt51d:KMd7/DhHoEchDtDocLF51d
Threatray 1'564 similar samples on MalwareBazaar
TLSH F015D5F2D94A8E31F05B153DE48EF6341926BCF23A1D84694EE47F06AA6372C35118B7
Reporter abuse_ch
Tags:DHL exe nVpn RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: mail.sunwaps.xyz
Sending IP: 207.244.226.94
From: Dhl Customer Support <help@sunwaps.xyz>
Attachment: Attachment.iso (contains "attched file.exe")

RemcosRAT C2:
tprem.ddnsfree.com:2404 (79.134.225.22)

Pointing to nVpn:

% Information related to '79.134.225.0 - 79.134.225.127'

% Abuse contact for '79.134.225.0 - 79.134.225.127' is 'abuse@privacyfirst.sh'

inetnum: 79.134.225.0 - 79.134.225.127
netname: PRIVACYFIRST-EU
country: EU
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
status: ASSIGNED PA
mnt-by: AF15-MNT
org: ORG-TPP6-RIPE
created: 2020-07-14T15:26:02Z
last-modified: 2020-07-14T15:31:06Z
source: RIPE

Intelligence


File Origin
# of uploads :
5
# of downloads :
145
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
attched file.exe
Verdict:
Malicious activity
Analysis date:
2021-02-15 19:48:06 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
Sending a TCP request to an infection source
Result
Verdict:
MALICIOUS
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
Antivirus detection for URL or domain
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
Creates a thread in another existing process (thread injection)
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: Remcos
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Infostealer.Fareit
Status:
Malicious
First seen:
2021-02-15 19:46:07 UTC
AV detection:
27 of 46 (58.70%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos persistence rat
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Adds Run key to start application
Remcos
Unpacked files
SH256 hash:
6c5faf9784abeff03bdbe2522b9da9862ac8eb9d333f608f8ef28719565968df
MD5 hash:
dff8986eae6a2b85730955c35b506f1a
SHA1 hash:
0b20d24bdd350524c25f5d513d1b3f8e4315c989
SH256 hash:
52fa8487efeb8b203fb1f37501c366088b71de4ded620695ba2e34e8c0f446a2
MD5 hash:
85b5b0e55d100dced0fd1467016d97ea
SHA1 hash:
fd89753641176810d322edd3b5e7fac62bb74f2e
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 52fa8487efeb8b203fb1f37501c366088b71de4ded620695ba2e34e8c0f446a2

(this sample)

  
Delivery method
Distributed via e-mail attachment

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