MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c232e05f633d3e2bd0a1486a955d7f72eb9155408a635666306d922b333809b2. 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 2 File information Comments

SHA256 hash: c232e05f633d3e2bd0a1486a955d7f72eb9155408a635666306d922b333809b2
SHA3-384 hash: 927441b4773398595180d85facd09d4083bba226d5dee29375ff841363f0816fa6f63bcc2d2c1ae038f0b281cbefaaab
SHA1 hash: c0e65f2916ab8b5c167851db8a6b669a373e358a
MD5 hash: 71e3e6734e8cea2b23a1eb20f41e8e0d
humanhash: alpha-music-queen-glucose
File name:20200817153820654.exe
Download: download sample
Signature RemcosRAT
File size:356'864 bytes
First seen:2020-08-17 06:29:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:oC64EcmZHyXFaxmVmie9bngPbYpNV8CHnq7dk6e1+Y+toIdoi4WYRbibO4UFMv4c:oN4EcmZHAFaxmVmie9bngPMpDB+Y+tn8
Threatray 867 similar samples on MalwareBazaar
TLSH 5274495838D0E3DEE4E64FB958649C0473E32F2E0616AA07DC6B39E567FABC16E04447
Reporter abuse_ch
Tags:exe Hostwinds nVpn RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: hwsrv-762625.hostwindsdns.com
Sending IP: 104.168.242.71
From: Aswan Laila <sales@jeneric.com.sg>
Subject: RE: NEW INQUIRY : FM/116/9836/1438/20/JENERIC
Attachment: 20200817153820654.xz (contains "20200817153820654.exe")

RemcosRAT C2:
saocris.ddns.net:1406 (79.134.225.76)

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 :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
DNS request
Connection attempt to an infection source
Enabling autorun by creating a file
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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
Detected Remcos RAT
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-17 02:49:53 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
rat family:remcos
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
saocris.ddns.net:1406
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: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 c232e05f633d3e2bd0a1486a955d7f72eb9155408a635666306d922b333809b2

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments