MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ddaa01edf0d7b7ea2a564591f07e52795cd96781d0763df395babb60086451e9. 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: 8


Intelligence 8 IOCs YARA 11 File information Comments
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SHA256 hash: ddaa01edf0d7b7ea2a564591f07e52795cd96781d0763df395babb60086451e9
SHA3-384 hash: 8594889231a576bc3c9be43351e7971b34a51d9d37bcd6d297b98183fb6c0f286c5aa8e6ab26553cd7b0d077b5bfdf02
SHA1 hash: 21e41aa4e25a83d252dad758c8ecfd336786238e
MD5 hash: 994652456506139d6cee695b527bc695
humanhash: triple-august-asparagus-cardinal
File name:ddaa01edf0d7b7ea2a564591f07e52795cd96781d0763df395babb60086451e9
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:604'160 bytes
First seen:2020-11-10 11:40:50 UTC
Last seen:2024-07-24 22:11:20 UTC
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:rD+zrEsiN1PqKSIb9m7X+iNuBFbv3nfziFR3psg61OVKCjltLMsVCU:vxsiNHDb9mT+jh3nfWFRCg61OM2t90U
Threatray 108 similar samples on MalwareBazaar
TLSH 21D428CE3F505226DDA91F36D233061A16F29F927A22F35A1478B0791F3F3B95913262
Reporter seifreed
Tags:QuasarRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
96
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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Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Launching a process
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file
Setting a keyboard event handler
Creating a window
Connection attempt
Unauthorized injection to a recently created process
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:
Quasar
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/528583
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 313390 Sample: OKFH4fqlaI Startdate: 10/11/2020 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 6 other signatures 2->49 8 OKFH4fqlaI.exe 16 5 2->8         started        13 OKFH4fqlaI.exe 2 2->13         started        15 OKFH4fqlaI.exe 2 2->15         started        17 OKFH4fqlaI.exe 2 2->17         started        process3 dnsIp4 41 ip-api.com 208.95.112.1, 49729, 49730, 80 TUT-ASUS United States 8->41 31 C:\Users\user\AppData\...\DatacenterUGPP.exe, PE32 8->31 dropped 33 C:\Users\user\AppData\...\OKFH4fqlaI.exe.log, ASCII 8->33 dropped 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->59 19 DatacenterUGPP.exe 14 4 8->19         started        23 schtasks.exe 1 8->23         started        file5 signatures6 process7 dnsIp8 35 ratit.ddns.net 186.84.246.201, 4782 TelmexColombiaSACO Colombia 19->35 37 127.0.0.1 unknown unknown 19->37 39 ip-api.com 19->39 51 Antivirus detection for dropped file 19->51 53 Multi AV Scanner detection for dropped file 19->53 55 Machine Learning detection for dropped file 19->55 57 2 other signatures 19->57 25 schtasks.exe 1 19->25         started        27 conhost.exe 23->27         started        signatures9 process10 process11 29 conhost.exe 25->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ddaa01edf0d7b7ea2a564591f07e52795cd96781d0763df395babb60086451e9/
Threat name:
ByteCode-MSIL.Backdoor.QuasarRAT
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Status:
Malicious
First seen:
2020-11-03 02:19:14 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3wvad3pq2636ukswiwi7a7sspfonsz4b2b3d344vxk5wacdekhuq._file
Verdict:
malicious
Similar samples:
2fd0f9d77de102d8b53f3d38eb559d2cd0d0e9f4ba3cfbc042f952367b5ca65e
QuasarRAT
4a4378de27cd95ef7ab712064303f817e01f4630bce5f290ce3af15d55a43321
QuasarRAT
588eb55b57e118fbee66a6d0586de453ea4e0ae1a781c73e1bbe10e8e24641fc
QuasarRAT
5c711e224f09cfe6b651f58e3a075c54e7ad2d3a677cc71835bc37d8f21ad4b2
QuasarRAT
749cf44e03a021f01f3604fd54781103ab897a69db71229f9319888be7a8bcd2
QuasarRAT
8fcf4d1528f2945b751c3d9035e17f7143fdbc94ef687f5c9e4e35d892c5922b
QuasarRAT
a0f43d8dbeafd898f5711b63275b81c5169e640f90a87977c2ab391418d68f63
QuasarRAT
a4e79d826cc13a421a5b3b785413d92254992bceb6d392c72de16b61653b346f
QuasarRAT
b23274e47a003476681da8925f2c15ff1c7ef988cabf76dbf1e5799a914a3ab1
QuasarRAT
ba9fd12aa57da28572f82eb2010a44b89a9cc1c9738f801fec02f44857163b8f
QuasarRAT
+ 98 additional samples on MalwareBazaar
Result
Malware family:
quasar
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Score:
  10/10
Tags:
family:quasar spyware trojan
Link:
https://tria.ge/reports/201110-thmaamktrn/
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:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:CN_disclosed_20180208_KeyLogger_1
Create hunting rule
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
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MSILStealer
Create hunting rule
Author:https://github.com/hwvs
Description:Detects strings from C#/VB Stealers and QuasarRat
Reference:https://github.com/quasar/QuasarRAT
Rule name:Quasar
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:Quasar_RAT_1
Create hunting rule
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
Create hunting rule
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
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Vermin_Keylogger_Jan18_1
Create hunting rule
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
Create hunting rule
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
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