MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b46a76c6240983b927fa789dbfd5214bb513285da9205c52539736286346ddaf. 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
QuasarRAT
Vendor detections: 6
| SHA256 hash: | b46a76c6240983b927fa789dbfd5214bb513285da9205c52539736286346ddaf |
|---|---|
| SHA3-384 hash: | 6df60e8ca35e192cafd78aa6e2c7f908b0f459a2bfa7d035c494dbb7fdecae6945e7a4e0ff6a968298a34c8874dc382c |
| SHA1 hash: | 29c098ffdcbd86961dfdd8e733cf89ea0e8cfc03 |
| MD5 hash: | f5c5c0ac89d31ce5f74c54ec5788ea8e |
| humanhash: | lima-east-glucose-mississippi |
| File name: | Design Drawing.exe |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 631'296 bytes |
| First seen: | 2020-07-10 09:17:21 UTC |
| Last seen: | 2020-07-10 10:14:30 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:9wQXHXVrtKpvmYA3wJ1B9LpaiJi4RhgktCqU4+7D:9xX3VrtKprAwRambzJ+7 |
| Threatray | 94 similar samples on MalwareBazaar |
| TLSH | EBD4022032B6A629D87B4F30597A50D413FB7527AE04DA5E7DD812DEAF037138B10E9B |
| Reporter |  abuse_ch |
| Tags: | exe nVpn QuasarRAT RAT |
abuse_ch
Malspam distributing unidentified malware:HELO: smtp7.iq.pl
Sending IP: 86.111.240.244
From: And MOQ <biuro@hydro-tor.pl>
Subject: ENQUIRY 37751
Attachment: Design Drawing.rar (contains "Design Drawing.exe")
RemcosRAT C2:
185.244.30.22:2788
Hosted on 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@FOS-VPN.org'
inetnum: 185.244.30.0 - 185.244.30.255
netname: Freedom_Of_Speech_VPN
remarks: Before you contact us, please read:
remarks: 185.244.30.0/24 belongs to a NON-LOGGING VPN service.
remarks: We don't log any user activities.
remarks: We believe that the right to informational self-determination and the
remarks: right to privacy are essential to all citizens of all countries.
remarks: We don't host anything else on our servers than VPN software and our
remarks: customers can open a fixed number of Ports.
remarks: Like Public WiFi or Tor Exit Node Operators we cannot be held responsible
remarks: for the actions of our customers, because we simply can't (and to be
remarks: honest: don't want) to control them.
country: EU
org: ORG-SL751-RIPE
admin-c: SL12644-RIPE
tech-c: SL12644-RIPE
status: ASSIGNED PA
mnt-by: FOS-VPN-MNT
created: 2019-10-29T14:10:27Z
last-modified: 2020-06-03T09:20:12Z
source: RIPE
Intelligence
File Origin
# of uploads :
2
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
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
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Sending a custom TCP request
Launching cmd.exe command interpreter
Running batch commands
Enabling autorun with Startup directory
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-10 07:34:07 UTC
AV detection:
22 of 27 (81.48%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 84 additional samples on MalwareBazaar
Result
Malware family:
quasar
Score:
10/10
Tags:
evasion spyware trojan family:quasar
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of SetThreadContext
Modifies system certificate store
Looks up external IP address via web service
Loads dropped DLL
Windows security modification
Executes dropped EXE
Modifies Windows Defender Real-time Protection settings
Contains code to disable Windows Defender
Quasar RAT
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: | Certutil_Decode_OR_Download |
|---|---|
| Author: | Florian Roth |
| Description: | Certutil Decode |
| Reference: | Internal Research |
| Rule name: | CN_disclosed_20180208_KeyLogger_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects malware from disclosed CN malware set |
| Reference: | https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details |
| Rule name: | MAL_Envrial_Jan18_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Encrial credential stealer malware |
| Reference: | https://twitter.com/malwrhunterteam/status/953313514629853184 |
| Rule name: | MAL_QuasarRAT_May19_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects QuasarRAT malware |
| Reference: | https://blog.ensilo.com/uncovering-new-activity-by-apt10 |
| Rule name: | Quasar_RAT_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Quasar RAT |
| Reference: | https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf |
| Rule name: | Quasar_RAT_2 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Quasar RAT |
| Reference: | https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf |
| Rule name: | RDPWrap |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies RDP Wrapper, sometimes used by attackers to maintain persistence. |
| Reference: | https://github.com/stascorp/rdpwrap |
| Rule name: | Vermin_Keylogger_Jan18_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Vermin Keylogger |
| Reference: | https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/ |
| Rule name: | xRAT_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Patchwork malware |
| Reference: | https://goo.gl/Pg3P4W |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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