MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fec56ffb3c5a61bffba235044da127eae17d9772dbd3817b8a5ce8cad0e93cb1. 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


Intelligence 6 IOCs YARA 8 File information Comments

SHA256 hash: fec56ffb3c5a61bffba235044da127eae17d9772dbd3817b8a5ce8cad0e93cb1
SHA3-384 hash: 8ebf765a9d442d7a1ff4e6658b9677144b5fa969db0401d0b2d4403923225a52bfd5dbefeb7c7dd12d46bf2f79aa0050
SHA1 hash: 2df1f670d50cb1736a3623dd04973de093e2d512
MD5 hash: ee6b41b84b38df2ca1ababd9d3d8f4a0
humanhash: blossom-floor-minnesota-equal
File name:office82.exe
Download: download sample
Signature QuasarRAT
File size:356'352 bytes
First seen:2020-05-12 04:42:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:7V6bPXhLApfpTEmWBtEJA7+bM7dJ++reUHqznQa:hmhApymCeJA5LpHq7Qa
Threatray 97 similar samples on MalwareBazaar
TLSH 8F747B13B3E4E93BD1FD173AE43206259BB4D983B616F78B5A5856B82C12386CD503E3
Reporter JoulK
Tags:exe Quasar QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Subti
Status:
Malicious
First seen:
2020-05-09 20:11:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
28 of 31 (90.32%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar spyware trojan
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Looks up external IP address via web service
Loads dropped DLL
Executes dropped EXE
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: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_QuasarRAT_May19_1
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MSILStealer
Author:https://github.com/hwvs
Description:Detects strings from C#/VB Stealers and QuasarRat
Reference:https://github.com/quasar/QuasarRAT
Rule name:Quasar
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
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: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.

Web download

QuasarRAT

Executable exe fec56ffb3c5a61bffba235044da127eae17d9772dbd3817b8a5ce8cad0e93cb1

(this sample)

  
Delivery method
Distributed via web download

Comments