MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dd88092ab9843db2a948017e545871b2dbe257c2a01dec62693744f6961247ca. 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: 7


Intelligence 7 IOCs YARA 11 File information Comments

SHA256 hash: dd88092ab9843db2a948017e545871b2dbe257c2a01dec62693744f6961247ca
SHA3-384 hash: c115383c6c4837a0116e26b4e377c400245ccc4e70ba18497c697eae441689efb696eab117c1b2746059bf3441da8a1a
SHA1 hash: 5755f29d0623b9c7439cbe30d50fc39d96b826c9
MD5 hash: 2aaa97f1989a5cfbd2b1fe77ee2d7881
humanhash: shade-fruit-november-uncle
File name:2aaa97f1989a5cfbd2b1fe77ee2d7881
Download: download sample
Signature QuasarRAT
File size:356'864 bytes
First seen:2020-10-26 06:16:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'918 x AgentTesla, 19'821 x Formbook, 12'309 x SnakeKeylogger)
ssdeep 3072:DPrt+8Hiefcu00MKpyDcsvVxwR+KUHBm8LcxqEThlbK1QS7qqNGajG+EnWcsRWW3:DzNHXf500MtwRKYGibKJu+EtaWWFlm6
TLSH C5749D1377A8E57BD1BE173AE43306154BB0D64BB716E38B6A5C55B82D233868D803B3
Reporter seifreed
Tags:QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Connection attempt
Creating a window
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.QuasarRAT
Status:
Malicious
First seen:
2020-08-23 02:21:09 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
trojan spyware family:quasar
Behaviour
Suspicious use of AdjustPrivilegeToken
Looks up external IP address via web service
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
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:CN_disclosed_20180208_KeyLogger_1
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
Author:James_inthe_box
Description:Contains Keylog
Rule name:MAL_QuasarRAT_May19_1
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MSILStealer
Author:https://github.com/hwvs
Description:Detects strings from C#/VB Stealers and QuasarRat
Reference:https://github.com/quasar/QuasarRAT
Rule name:Quasar
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:Quasar_RAT_1
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
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
Author:James_inthe_box
Description:IP and port combo
Rule name:Vermin_Keylogger_Jan18_1
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
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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