MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e61ef47ff2c50f00d217e1b736abe09674fc771493466a927bddd55b0cf1be6. 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: 9


Intelligence 9 IOCs YARA 11 File information Comments
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SHA256 hash: 3e61ef47ff2c50f00d217e1b736abe09674fc771493466a927bddd55b0cf1be6
SHA3-384 hash: 38958d60b95ae227301f08d76e6f454a2b9ec47bddba2b6cda8414ac1a587e9e2172273e1018287a40e31cfdcfb236a8
SHA1 hash: 0b8bbbf08952ee0f462d0b2a72f4bc8c17bdac86
MD5 hash: ff58c7b98022bb8fa8d9aea44c1cb3f2
humanhash: mars-uniform-connecticut-mockingbird
File name:3e61ef47ff2c50f00d217e1b736abe09674fc771493466a927bddd55b0cf1be6
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:356'352 bytes
First seen:2020-11-14 18:12:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'859 x AgentTesla, 19'785 x Formbook, 12'305 x SnakeKeylogger)
ssdeep 6144:STNHXf500MlgyVs/VD0+WbfFAFP9NVfiwNEgpV:Ed50HGr5FP9NVflNE2V
Threatray 124 similar samples on MalwareBazaar
TLSH 27747C1377A8EA3BD1BE2B3AF43607154BB5D407B716E38F5A5855B92C123868D803B3
Reporter seifreed
Tags:QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Trojan.Generic-6295765-0
Create hunting rule

Win.Malware.Generic-6623004-0
Create hunting rule

Win.Packed.Passwordstealera-9792228-0
Create hunting rule

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 file in the %temp% directory
Creating a window
Running batch commands
Creating a process with a hidden window
Launching the default Windows debugger (dwwin.exe)
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/535673
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 ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 316936 Sample: s7vmcM04BO Startdate: 15/11/2020 Architecture: WINDOWS Score: 100 78 ip-api.com 2->78 90 Malicious sample detected (through community Yara rule) 2->90 92 Antivirus / Scanner detection for submitted sample 2->92 94 Multi AV Scanner detection for submitted file 2->94 96 7 other signatures 2->96 13 s7vmcM04BO.exe 15 5 2->13         started        18 s7vmcM04BO.exe 2 2->18         started        signatures3 process4 dnsIp5 88 ip-api.com 208.95.112.1, 49717, 49723, 49730 TUT-ASUS United States 13->88 74 C:\Users\user\AppData\Roaming\...\Client.exe, PE32 13->74 dropped 76 C:\Users\user\AppData\...\s7vmcM04BO.exe.log, ASCII 13->76 dropped 116 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->116 20 Client.exe 14 6 13->20         started        24 schtasks.exe 1 13->24         started        file6 signatures7 process8 dnsIp9 84 ip-api.com 20->84 102 Antivirus detection for dropped file 20->102 104 Multi AV Scanner detection for dropped file 20->104 106 Machine Learning detection for dropped file 20->106 108 2 other signatures 20->108 26 cmd.exe 1 20->26         started        29 schtasks.exe 1 20->29         started        31 WerFault.exe 24 9 20->31         started        33 conhost.exe 24->33         started        signatures10 process11 signatures12 114 Uses ping.exe to sleep 26->114 35 Client.exe 26->35         started        39 PING.EXE 26->39         started        41 conhost.exe 26->41         started        43 chcp.com 1 26->43         started        45 conhost.exe 29->45         started        process13 dnsIp14 80 ip-api.com 35->80 98 Hides that the sample has been downloaded from the Internet (zone.identifier) 35->98 100 Installs a global keyboard hook 35->100 47 cmd.exe 35->47         started        50 schtasks.exe 35->50         started        52 WerFault.exe 35->52         started        82 192.168.2.1 unknown unknown 39->82 signatures15 process16 signatures17 118 Uses ping.exe to sleep 47->118 54 Client.exe 47->54         started        58 conhost.exe 47->58         started        60 chcp.com 47->60         started        62 PING.EXE 47->62         started        64 conhost.exe 50->64         started        process18 dnsIp19 86 ip-api.com 54->86 110 Hides that the sample has been downloaded from the Internet (zone.identifier) 54->110 112 Installs a global keyboard hook 54->112 66 schtasks.exe 54->66         started        68 cmd.exe 54->68         started        signatures20 process21 process22 70 conhost.exe 66->70         started        72 conhost.exe 68->72         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3e61ef47ff2c50f00d217e1b736abe09674fc771493466a927bddd55b0cf1be6/
Threat name:
ByteCode-MSIL.Backdoor.QuasarRAT
Create hunting rule
Status:
Malicious
First seen:
2020-11-14 18:14:34 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hzq66r77fripadjbpynxg2v6bftu7r3rje2gnkjhxxovlmgpdpta._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
+ 114 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar spyware trojan
Link:
https://tria.ge/reports/201114-bxgbm7v716/
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
Loads dropped DLL
Executes dropped EXE
ServiceHost packer
Quasar RAT
Unpacked files
SH256 hash:
3e61ef47ff2c50f00d217e1b736abe09674fc771493466a927bddd55b0cf1be6
MD5 hash:
ff58c7b98022bb8fa8d9aea44c1cb3f2
SHA1 hash:
0b8bbbf08952ee0f462d0b2a72f4bc8c17bdac86
Link:
https://www.unpac.me/results/395e2471-44ac-4d08-9093-7ecf7620d8ed/
SH256 hash:
ea690c1799efdad70419e76ebc47730be83d2758817f6f607c84dd97aa8e2fa1
MD5 hash:
d5158776912d29d3618c1c19ee5be003
SHA1 hash:
321d58175bb35ddd5bb212ba53de1cc3db0fab5e
Link:
https://www.unpac.me/results/395e2471-44ac-4d08-9093-7ecf7620d8ed/
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/3e61ef47ff2c50f00d217e1b736abe09674fc771493466a927bddd55b0cf1be6

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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