MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6335310e14b2663d04f0e1e83058ae53a8684c54365a0834470182bc429befc. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a6335310e14b2663d04f0e1e83058ae53a8684c54365a0834470182bc429befc
SHA3-384 hash: 4b435033ec503e56c6d1613c2c00f2b72fad637ce1358f3311f2daf8609f3e1f0f41d16507f789354ca78acb212ef8c4
SHA1 hash: 50191072b1d703029bb3e85597cdf14965211516
MD5 hash: 2fce71109883f3bcf447606e4f9fc0b2
humanhash: echo-iowa-wisconsin-oscar
File name:a6335310e14b2663d04f0e1e83058ae53a8684c54365a0834470182bc429befc
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:514'048 bytes
First seen:2021-09-29 07:51:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 6144:dTEgdc0YPXAGbgiIN2RSBzj9SQwhCfVKv9+cEH0b8F9wonrZCzcTR3u:dTEgdfYHbgZDx3fHntwcdu
Threatray 149 similar samples on MalwareBazaar
TLSH T1A0B45B4027FC8A1BE26E57BAE87154205BF5E417B267EB8F4548B1FD2CA67028E40773
Reporter JAMESWT_WT
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Detection:
QuasarStealer
Create hunting rule
Link:
https://www.capesandbox.com/analysis/192988/
Detection(s):
Win.Packed.Passwordstealera-9792228-0
Create hunting rule

Win.Malware.Generic-9883082-0
Create hunting rule

Win.Malware.Generic-9883083-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL
Create hunting rule

Win.Packed.Downeks-6898097-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file in the %temp% directory
Creating a window
Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/71f16255-f562-4f3c-a89b-c0f2b3d0a81a
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/860814
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected unpacking (overwrites its own PE header)
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)
Multi AV Scanner detection for submitted file
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a6335310e14b2663d04f0e1e83058ae53a8684c54365a0834470182bc429befc/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2021-09-27 14:20:29 UTC
AV detection:
36 of 45 (80.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uyzvgehbjmtghucpbypigbmk4u5inbgfins2ba2eoamcxrbjx36a._file
Verdict:
malicious
Similar samples:
04d4ebdb690749b84d74422ccbb583acc3180cbe3eb280b9ece53ef5eb3b3abf
QuasarRAT
06b4062db19ac0017c3f0e32f27559a48aa9c7305f110c3b8485d5faa62d6814
QuasarRAT
1230b290a583361b44a14b0ebf16925f07d7d6ed0d58ecae0bdd2419903d27b0
QuasarRAT
2ba6b9466236aa43a839e4b4c9365dd730cb37ca2ddb009be0f2bcbced0e6d88
QuasarRAT
2c5d00f71931d80367ccae6bdd752ec56ab7647cc5312a0c7ddd24308ff9cc8e
QuasarRAT
3bdfd4cd7aacdefa4ab159a25b056056fd011b9ad60fc2166adbb41c5610b044
QuasarRAT
3fb8ef0e57d3cbad82483cba016a1380698f2efca89d80d29d2cfab35b5c5cce
QuasarRAT
85e13a72f67635d8590b1952332a37371f5f06400cedd60cd8c85415a051c031
QuasarRAT
a33be1069f51683e3ef5290bedad88f032df7b67fde8955bf2ad72b2f8d5e647
QuasarRAT
d87630e6b220ba0ef5f93352c406ad4268445fc8f174e152131e1251d0a3d541
QuasarRAT
+ 139 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:office04
Link:
https://tria.ge/reports/210929-jqedlsebd3/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Enumerates physical storage devices
Malware Config
C2 Extraction:
192.168.0.1:4782
Unpacked files
SH256 hash:
a6335310e14b2663d04f0e1e83058ae53a8684c54365a0834470182bc429befc
MD5 hash:
2fce71109883f3bcf447606e4f9fc0b2
SHA1 hash:
50191072b1d703029bb3e85597cdf14965211516
Link:
https://www.unpac.me/results/abd09b86-bc82-4e1c-b40c-ace9439f0cd1/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/a6335310e14b/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/a6335310e14b2663d04f0e1e83058ae53a8684c54365a0834470182bc429befc

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:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:MALWARE_Win_QuasarStealer
Create hunting rule
Author:ditekshen
Description:Detects Quasar infostealer
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:MAL_QuasarRAT_May19_1_RID2E1E
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/192988/

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