MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fe920c2ba73fc82c4564e93fb39fd738aac91ffe5936d4e9bcfa3a14f9ef2863. 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: 13


Intelligence 13 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fe920c2ba73fc82c4564e93fb39fd738aac91ffe5936d4e9bcfa3a14f9ef2863
SHA3-384 hash: 3a1f471442841b8e57d5a5519bb868e19a74574318dc746fb04bab6f36442009e20048b28e260ec654213d927fee9667
SHA1 hash: 16eca6832828ee340052b50c0cfb6810e4157ce5
MD5 hash: ffdaa7380de41365e6f885d5c1fefb89
humanhash: earth-don-spaghetti-double
File name:fe920c2ba73fc82c4564e93fb39fd738aac91ffe5936d4e9bcfa3a14f9ef2863
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:356'352 bytes
First seen:2021-08-31 06:52:06 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:Uh6bPXhLApfpwgnZOwMstZHbqRuvONBBtbinMucRXov+e5biNa:ImhAprU67TsVinTchov+e1iNa
Threatray 212 similar samples on MalwareBazaar
TLSH T139748C1377E8EA3BD1FE173AE03206194BB0D4177616E38B5A5A95F82D133868E453B3
Reporter JAMESWT_WT
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fe920c2ba73fc82c4564e93fb39fd738aac91ffe5936d4e9bcfa3a14f9ef2863
Verdict:
Malicious activity
Analysis date:
2021-08-31 07:00:55 UTC
Tags:
rat quasar evasion trojan
Link:
https://app.any.run/tasks/21d3f26a-e591-40c0-8d3f-5011479afa8f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
QuasarRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/184046/
Detection(s):
Win.Packed.Passwordstealera-9792228-0
Create hunting rule

Win.Packed.Generic-9829635-0
Create hunting rule

Win.Packed.Generic-9830106-0
Create hunting rule

Win.Trojan.Generic-6295765-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Launching a process
Setting a keyboard event handler
Creating a file in the %AppData% subdirectories
Creating a window
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/423e3e2c-8b34-4c6a-a51d-445086ae10bf
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/842315
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
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 submitted file
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fe920c2ba73fc82c4564e93fb39fd738aac91ffe5936d4e9bcfa3a14f9ef2863/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2021-08-29 03:15:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
36 of 46 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=72jayk5hh7ecyrle5e73hh6xhcvmsh76le3nj2n47i5bj6ppfbrq._file
Verdict:
malicious
Similar samples:
0294e192621b21d5c8f2288496930fe5e947fd66cdff1a119ca2f8bbdd8a537e
QuasarRAT
0eaa5bbea25ef06214bc21deab41eb7f5bdcdd4c24b0297a28607d30edf65ae1
QuasarRAT
2ad876fd404524bb3e6203eefe1529fcc8cf935f2aa01843c2b26413ff92e5fb
QuasarRAT
2d3cf92d298fced13bf5f5d9feaf4b68294365bd89496f1bc064da7a418bda5f
QuasarRAT
45eb700e6848f246fbb010d66d6669083970a9fb54fec74e66f7c1d6ff5ca5e4
QuasarRAT
6df8ea96addb668a51442b4b3287c1294f0e834333c068f3853cb95016dceaeb
QuasarRAT
7ce2be23716a01fd869e33ae99de79a9c74da78f19f0fcb930da4de5bce49885
QuasarRAT
7d016ad09b5362b12283b52164529321914d6e2d26dfdb011e5bf39d67855b3e
QuasarRAT
99a6c8e156dba4fda6e2b6ca0802cc08d49556b489e97618e565768329521413
QuasarRAT
d478602bac8b8f334f06644dd92fbe60cbba6815ced96503c7aab4df6f305e77
QuasarRAT
+ 202 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:office04 spyware trojan
Link:
https://tria.ge/reports/210831-adz5tl11ea/
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
Quasar RAT
Malware Config
C2 Extraction:
136.244.94.164:3232
Unpacked files
SH256 hash:
fe920c2ba73fc82c4564e93fb39fd738aac91ffe5936d4e9bcfa3a14f9ef2863
MD5 hash:
ffdaa7380de41365e6f885d5c1fefb89
SHA1 hash:
16eca6832828ee340052b50c0cfb6810e4157ce5
Link:
https://www.unpac.me/results/699e9424-a58a-42ff-b65a-9a5f3cb18543/
Malware family:
xRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/fe920c2ba73f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fe920c2ba73fc82c4564e93fb39fd738aac91ffe5936d4e9bcfa3a14f9ef2863

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
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:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:MALWARE_Win_QuasarRAT
Create hunting rule
Author:ditekSHen
Description:QuasarRAT payload
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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

Cape
Cape
https://www.capesandbox.com/analysis/184046/

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