MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61248c209119bd790c6ad906dd9d12e7a03455c2b2f6e4b7d1432aed6ae92439. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 61248c209119bd790c6ad906dd9d12e7a03455c2b2f6e4b7d1432aed6ae92439
SHA3-384 hash: 665578fbdc294d7e3b285558f1ae8ab71d21c42f18a8d1e7758e96dc905fa4ca31be0200f60cc796a10050ead309ce80
SHA1 hash: 88412c7f107c686619ec61cec8662861744e455d
MD5 hash: be2f5670427369fb1d7bf50e32e60f06
humanhash: orange-aspen-berlin-snake
File name:QUOTATION 21 11 2020.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:927'744 bytes
First seen:2020-11-21 07:50:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:H4A4CP8okQXkzxG4D89Yz6VOooiQ4Q1yP75B1fFLf:HjP8okQXkzxG41RoxzQUj5BJFT
Threatray 506 similar samples on MalwareBazaar
TLSH CD15BE1113989B1CF43DAB395528811097F5BE03D72ACBADBED431DA1A33A82CB5F716
Reporter abuse_ch
Tags:exe nVpn RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: gmail.com
Sending IP: 37.49.225.10
From: Vicky Chiou <cdy3079@gmail.com>
Subject: REQUEST FOR QUOTATION
Attachment: QUOTATION 21 11 2020.gz (contains "QUOTATION 21 11 2020.exe")

RemcosRAT C2:
185.140.53.197:1011

Hosted on nVpn:

% Information related to '185.140.53.0 - 185.140.53.255'

% Abuse contact for '185.140.53.0 - 185.140.53.255' is 'abuse@privacyfirst.sh'

inetnum: 185.140.53.0 - 185.140.53.255
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-EU
country: EU
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2016-10-17T23:24:00Z
last-modified: 2020-11-06T23:02:44Z
source: RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
362
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
Creating a file
Reading critical registry keys
Forced shutdown of a system process
Setting a global event handler for the keyboard
Sending a TCP request to an infection source
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Gathering data
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/544589
Signature
.NET source code contains potential unpacker
Detected Remcos RAT
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 321391 Sample: QUOTATION 21 11 2020.exe Startdate: 21/11/2020 Architecture: WINDOWS Score: 100 28 Multi AV Scanner detection for dropped file 2->28 30 Sigma detected: Scheduled temp file as task from temp location 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 9 other signatures 2->34 7 QUOTATION 21 11 2020.exe 7 2->7         started        process3 file4 20 C:\Users\user\AppData\Roaming\jgbZza.exe, PE32 7->20 dropped 22 C:\Users\user\...\jgbZza.exe:Zone.Identifier, ASCII 7->22 dropped 24 C:\Users\user\AppData\Local\...\tmp5EA8.tmp, XML 7->24 dropped 26 C:\Users\...\QUOTATION 21 11 2020.exe.log, ASCII 7->26 dropped 10 schtasks.exe 1 7->10         started        12 vbc.exe 7->12         started        14 vbc.exe 7->14         started        16 3 other processes 7->16 process5 process6 18 conhost.exe 10->18         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/61248c209119bd790c6ad906dd9d12e7a03455c2b2f6e4b7d1432aed6ae92439/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2020-11-21 06:42:46 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mesiyierdg6xsddk3edn3his46qdivocwl3ojn6rimvo22xjeq4q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0e09c1fc128ae9653e52e92c6db0a1151dc2a502a5b3f891e99ae2606f1c07f6
RemcosRAT
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344e6fbb3b331ae13507bca32206ceea89837dc6c02eeadeeee979d8312199b6
RemcosRAT
346c5380b5669b73b9fc43a1a17c31ea17985488e9ea947d93a1c6858ebab5e1
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3ae83a13a6fe98f6d3b293d69aa7e58e4752e4b1353978e1a390314f725ea44e
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485c1301f4bc84bc2d274f53222cf7ca5fbd8af8728d1aaa977a6574f577fb87
RemcosRAT
9930543939f97818319ed031530d9e084994331aa4b06a304faeb321bbcc63db
RemcosRAT
a66b740c103035f94d2d78140ead520be0e9ee0c218ab7dc17ebb3cfa2ea4f86
RemcosRAT
c032e316eefbacca4b3ddfe7fc2ee9ac5f86daea767232d2322f7fdfe4b18993
RemcosRAT
e86d9b9cdf1f341e2c2f811a31d371204d181385f6c32282057b976d25f53591
RemcosRAT
+ 496 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos rat spyware
Link:
https://tria.ge/reports/201121-4rfpgm5kqa/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Reads user/profile data of web browsers
Remcos
Malware Config
C2 Extraction:
185.140.53.197:1011
Unpacked files
SH256 hash:
61248c209119bd790c6ad906dd9d12e7a03455c2b2f6e4b7d1432aed6ae92439
MD5 hash:
be2f5670427369fb1d7bf50e32e60f06
SHA1 hash:
88412c7f107c686619ec61cec8662861744e455d
Link:
https://www.unpac.me/results/8808c9fa-c9b5-4043-9bf1-913687aef2b4/
SH256 hash:
c8671a87d685f2354d96f3cfcad530dfa5f3ec535a0f5ec14940d81fb857813b
MD5 hash:
b5358f677850210361f573c7d249c258
SHA1 hash:
215e06e319515d779efa88f7c05b343d6ec3f6a5
Link:
https://www.unpac.me/results/8808c9fa-c9b5-4043-9bf1-913687aef2b4/
SH256 hash:
93c53f43ed27904af63b55db7037f182c272bae94482ed47e488b22e47634f25
MD5 hash:
b59ca22d4c81eaf7ba60f7f92cc51a63
SHA1 hash:
449094ca9fd9d99a4d71b39093ba737f968b5b5a
Link:
https://www.unpac.me/results/8808c9fa-c9b5-4043-9bf1-913687aef2b4/
SH256 hash:
d61fa7a419fdc3ce8bbe4fcebec0e946387ea15037e72a5014664259d2d9d358
MD5 hash:
3ba9c18323922d15864b901f3a8874e2
SHA1 hash:
4a59aad4784114b02337d7a8edbac955f16712d8
Link:
https://www.unpac.me/results/8808c9fa-c9b5-4043-9bf1-913687aef2b4/
SH256 hash:
c6fcf5d515d56cf746b4c4aa4695f11e9ad7f6063a96cda810bf39dc47c5a7a0
MD5 hash:
47509d9db24c975e55c287afdc459fad
SHA1 hash:
4f1f893555c985d7cbba731cf1fdbf49c6ecf793
Link:
https://www.unpac.me/results/8808c9fa-c9b5-4043-9bf1-913687aef2b4/
SH256 hash:
d37cf2ce390a462b208d0318ef1c8b8973c603a0a06d4769584a963e0c9456f7
MD5 hash:
d98bcbe0260cc7dc2d7e7b185836c128
SHA1 hash:
d66686ac1e7cd05f48d18df2740a7bea2b760958
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/8808c9fa-c9b5-4043-9bf1-913687aef2b4/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/61248c209119/report/overview.html
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
Create hunting rule
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:win_remcos_auto
Create hunting rule
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

gz 915f3b607a2dcdf913bf41dbb3fc456bb8ebeff647fc8bc7bf755b829d97c11b

RemcosRAT

Executable exe 61248c209119bd790c6ad906dd9d12e7a03455c2b2f6e4b7d1432aed6ae92439

(this sample)

  
Dropped by
MD5 4a7eed89ef20dce8f9ddedcc461cf9e7
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 915f3b607a2dcdf913bf41dbb3fc456bb8ebeff647fc8bc7bf755b829d97c11b

Comments