MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e39c2e98071d4440d02e6d1aa86111536d6d01554489bd71f890455c05e424d3. 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 2 File information Comments

SHA256 hash: e39c2e98071d4440d02e6d1aa86111536d6d01554489bd71f890455c05e424d3
SHA3-384 hash: e1620a11b40cbf8e653fd7690c2130cb7383954f73dc375192e5b59d1725533957d8200050f0e5729f1f474e9a6a4d19
SHA1 hash: 798df5428a7670d59b85c0f2bafa4d441aff3a80
MD5 hash: 5cd8d06cdf64efcfdc6ea69551e16df4
humanhash: sweet-alanine-golf-island
File name:Loading-Document,pdf.exe
Download: download sample
Signature RemcosRAT
File size:521'728 bytes
First seen:2020-08-11 14:01:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'595 x Formbook, 12'238 x SnakeKeylogger)
ssdeep 12288:3GgW+7lkNxZb2uUPgxLf0ip/TWZbk4oV1svvXfDVT:W8l6fCgxj0mfMvXDV
Threatray 1'699 similar samples on MalwareBazaar
TLSH 82B4BE55F6509840CA6A1736CABBC830037BBC5A2572DA1D2BCF3F2F39737725A12586
Reporter abuse_ch
Tags:exe nVpn.Maersk RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: mx1.industri.ru
Sending IP: 213.135.75.146
From: Maersk Shipping Line <no-reply@maersk.com>
Subject: Arrivals of Shipping Documents
Attachment: Loading-Document.zip (contains "Loading-Document,pdf.exe")

RemcosRAT C2:
jackyjian1965.hopto.org:1965 (185.244.30.181)

Pointing to nVpn:

% Information related to '185.244.30.0 - 185.244.30.255'

% Abuse contact for '185.244.30.0 - 185.244.30.255' is 'abuse@privacyfirst.sh'

inetnum: 185.244.30.0 - 185.244.30.255
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.
netname: PRIVACYFIRST-EU4
country: EU
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2019-10-29T14:10:27Z
last-modified: 2020-07-28T21:04:34Z
source: RIPE

Intelligence


File Origin
# of uploads :
1
# of downloads :
63
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
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Setting a global event handler for the keyboard
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
.NET source code contains potential unpacker
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
Initial sample is a PE file and has a suspicious name
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 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.AgentTesla
Status:
Malicious
First seen:
2020-08-11 14:03:16 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
rat family:remcos
Behaviour
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
jackyjian1965.hopto.org:1965
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 e39c2e98071d4440d02e6d1aa86111536d6d01554489bd71f890455c05e424d3

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments