MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b3e1f7e59ef2913bda3cae89732c058b7fba978a757618f208fbdc4cd5b5a36. 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: 5


Intelligence 5 IOCs YARA 11 File information Comments
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SHA256 hash: 9b3e1f7e59ef2913bda3cae89732c058b7fba978a757618f208fbdc4cd5b5a36
SHA3-384 hash: 9d820b5b62be192b0942fc7e92f174be60064f4eb41b183ea6c751eca6964cef34ee24d74e30f1682f94412fbd3337c8
SHA1 hash: c8c95c8cff87499f827870475ff3b5c350410f60
MD5 hash: a8d5ac2f3f7914fa87fdffc41ec6ff1b
humanhash: fix-alabama-march-connecticut
File name:387d10281add4966642ee857cec93b21
Download: download sample
Signature QuasarRAT
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File size:423'936 bytes
First seen:2020-11-17 12:06:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'854 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 6144:1W6bPXhLApfp16Xl8zzibC0fWktt1CAg/SOx5tCZB:cmhApKXl83wfWkQAuSOxr4B
TLSH 7A94E3D2239497FAD1A94E369031C5D4FB709C067B12A3BAB53473B9F86F38579C0262
Reporter seifreed
Tags:QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Trojan.Generic-6295765-0
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Win.Malware.Generic-6623004-0
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Win.Packed.Passwordstealera-9792228-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Launching a process
Setting a keyboard event handler
Creating a file in the %AppData% subdirectories
Creating a window
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9b3e1f7e59ef2913bda3cae89732c058b7fba978a757618f208fbdc4cd5b5a36/
Threat name:
ByteCode-MSIL.Backdoor.QuasarRAT
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Status:
Malicious
First seen:
2020-11-17 12:11:27 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tm7b67sz54urhpndzlujomwalc37xklyu5lwddzar664jtk3li3a._file
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar spyware trojan
Link:
https://tria.ge/reports/201117-hpqsbxtb9n/
Behaviour
Creates scheduled task(s)
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Looks up external IP address via web service
Quasar RAT
Unpacked files
SH256 hash:
9b3e1f7e59ef2913bda3cae89732c058b7fba978a757618f208fbdc4cd5b5a36
MD5 hash:
a8d5ac2f3f7914fa87fdffc41ec6ff1b
SHA1 hash:
c8c95c8cff87499f827870475ff3b5c350410f60
Link:
https://www.unpac.me/results/d973ccd8-5ced-4d91-a589-cfc2611f833e/
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:Chrome_stealer_bin_mem
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Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:CN_disclosed_20180208_KeyLogger_1
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Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details
Rule name:Keylog_bin_mem
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Author:James_inthe_box
Description:Contains Keylog
Rule name:MAL_QuasarRAT_May19_1
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Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MSILStealer
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Author:https://github.com/hwvs
Description:Detects strings from C#/VB Stealers and QuasarRat
Reference:https://github.com/quasar/QuasarRAT
Rule name:Quasar
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Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:Quasar_RAT_1
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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
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Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Select_from_enumeration
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Author:James_inthe_box
Description:IP and port combo
Rule name:Vermin_Keylogger_Jan18_1
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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
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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.

  
Delivery method
Other

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