MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b72df5535e69fb7ea6dd6638059825c267e176baa3213a2f513d76d2455f1776. 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: 13


Intelligence 13 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b72df5535e69fb7ea6dd6638059825c267e176baa3213a2f513d76d2455f1776
SHA3-384 hash: e4e325a0f10cbc2d0e7088e635c3a4b23dfb82adc56abe7aa89262ee9604e5b20f7a5bb43c78192043fdc987eb6f7f5f
SHA1 hash: 993b52b65b755aa59f4d1f4390e3e0cd6c2ffacf
MD5 hash: 28b8acaf74bd16212a1d2fb732e88c6d
humanhash: missouri-hotel-texas-princess
File name:Qotation.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:337'920 bytes
First seen:2021-01-19 06:36:18 UTC
Last seen:2021-01-20 19:40:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 616765ca1e3c367f5f3771d38d13b610 (7 x Loki, 4 x RemcosRAT, 4 x AgentTesla)
ssdeep 6144:J3CDRM9sIkrdnv7gUmCey3paBGZFlXslIbsUez:5f9Hmdv7KCeX4RsUq
Threatray 1'711 similar samples on MalwareBazaar
TLSH B874CF3171C1D030D07202B65274E7B209BEBE329B7648DBAFE99D5D1AB81E16336763
Reporter abuse_ch
Tags:exe nVpn RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: [37.46.150.2]
Sending IP: 37.46.150.2
From: julesendkate@gmail.com
Subject: Re: Request for Quotation
Attachment: Qotation.iso (contains "Qotation.exe")

RemcosRAT C2:
whatgodcannotdodoestnotexist.duckdns.org:2889 (185.140.53.154)

Pointing to 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 :
3
# of downloads :
133
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Qotation.exe
Verdict:
Malicious activity
Analysis date:
2021-01-19 06:39:54 UTC
Tags:
rat remcos trojan keylogger stealer
Link:
https://app.any.run/tasks/dc847f64-721e-4495-baba-e2219fcbdfc8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/112727/
Detection(s):
PUA.Win.Adware.Bang5mai-6804572-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a file
Running batch commands
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file in the %AppData% subdirectories
Launching a process
Creating a process from a recently created file
Creating a window
Deleting a recently created file
Sending a UDP request
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Setting a global event handler for the keyboard
Sending a TCP request to an infection source
Enabling autorun by creating a file
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:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/584495
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 341279 Sample: Qotation.exe Startdate: 19/01/2021 Architecture: WINDOWS Score: 100 53 Multi AV Scanner detection for domain / URL 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 7 other signatures 2->59 10 Qotation.exe 4 2->10         started        14 remcos.exe 1 2->14         started        16 remcos.exe 1 2->16         started        process3 file4 47 C:\Users\user\AppData\Local\Temp\...\file.exe, PE32 10->47 dropped 49 C:\...\955056a4c04c43a3ad2c1d5c7e436ce5.xml, XML 10->49 dropped 69 Contains functionality to steal Chrome passwords or cookies 10->69 71 Contains functionality to capture and log keystrokes 10->71 73 Contains functionality to inject code into remote processes 10->73 75 Contains functionality to steal Firefox passwords or cookies 10->75 18 Qotation.exe 4 5 10->18         started        21 cmd.exe 1 10->21         started        77 Maps a DLL or memory area into another process 14->77 23 remcos.exe 14->23         started        signatures5 process6 file7 43 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 18->43 dropped 45 C:\Users\user\...\remcos.exe:Zone.Identifier, ASCII 18->45 dropped 25 wscript.exe 1 18->25         started        27 schtasks.exe 1 21->27         started        29 conhost.exe 21->29         started        process8 process9 31 cmd.exe 1 25->31         started        33 remcos.exe 27->33         started        process10 35 remcos.exe 1 31->35         started        38 conhost.exe 31->38         started        signatures11 61 Multi AV Scanner detection for dropped file 35->61 63 Machine Learning detection for dropped file 35->63 65 Contains functionality to steal Chrome passwords or cookies 35->65 67 3 other signatures 35->67 40 remcos.exe 2 3 35->40         started        process12 dnsIp13 51 whatgodcannotdodoestnotexist.duckdns.org 185.140.53.154, 2889, 49709 DAVID_CRAIGGG Sweden 40->51
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b72df5535e69fb7ea6dd6638059825c267e176baa3213a2f513d76d2455f1776/
Threat name:
Win32.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2021-01-19 06:37:13 UTC
AV detection:
18 of 44 (40.91%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w4w7ku26nh5x5jw5my4algbfyjt6c5v2umqtul2rhv3nerk7c53a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
21c0f71a640ec97eb4bf4e3445896f1200e676bc8c2c096db8a725d5eb6f3427
RemcosRAT
2d29f962b325477d0a35364394c3ea6178f7b030e7a4e57c3811ea3696b7d661
RemcosRAT
6c62bb193f11ea8626c9c37f1898885271682c15f4bd8d8a7bd7a52fbd67c54e
RemcosRAT
84a066f7294211d47a88b38b0ad9ff2f0e385973c4a3b92b39b2df25e178aca8
RemcosRAT
92f26df2b8881b2971127cc9bd67d17924b895e4124092d49fdc6ebe4d362620
RemcosRAT
9d3eddc1a411d1749efa3f08827529ab80356d515cb5321ed5ea7cca0dedca74
RemcosRAT
abee232f81ca94abbdb0d1c0d236b0ee49b421b32e0a6b8812e278a248b6b46a
RemcosRAT
b8d1d962744d0c6ab3abe293c4671b3ba6524f623f9d6f02361bc60eec7b4cb4
RemcosRAT
e7c74f89332dcf4bf0ebaa50d960a8c82a521ca2c9608ecbb13e719e9744b5ca
RemcosRAT
f18bf944f9365beda201e63d97f1b93139994d9cef424f855d691cf797c33d0f
RemcosRAT
+ 1'701 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210119-gv8h854j2e/
Behaviour
Creates scheduled task(s)
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
whatgodcannotdodoestnotexist.duckdns.org:2889
Unpacked files
SH256 hash:
9b5e2d6c62efdd07e2f2a6f60cca20f2e67556d9818301d7e8283b9000eafa7f
MD5 hash:
cf8f78048c15bd1cf6e1efa594278e76
SHA1 hash:
311f56fd2a7f1f3cc0d434fe2d3e52a8feeccd93
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/214f1751-dc0f-432c-9b09-d776d9887fb0/
SH256 hash:
b72df5535e69fb7ea6dd6638059825c267e176baa3213a2f513d76d2455f1776
MD5 hash:
28b8acaf74bd16212a1d2fb732e88c6d
SHA1 hash:
993b52b65b755aa59f4d1f4390e3e0cd6c2ffacf
Link:
https://www.unpac.me/results/214f1751-dc0f-432c-9b09-d776d9887fb0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b72df5535e69fb7ea6dd6638059825c267e176baa3213a2f513d76d2455f1776

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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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

iso c07e903353d2dda01385352cadee5a11b75e2aef2e1e72ccf384b7a552435b35

RemcosRAT

Executable exe b72df5535e69fb7ea6dd6638059825c267e176baa3213a2f513d76d2455f1776

(this sample)

  
Dropped by
MD5 be43ea05c0f5672fc1a9d88a2eab33e6
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 c07e903353d2dda01385352cadee5a11b75e2aef2e1e72ccf384b7a552435b35
Cape
Cape
https://www.capesandbox.com/analysis/112727/

Comments