MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 36c483343398ea17347a4be4360ad4fb5f693b71cb61a5ecd919058a42884a06. 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: 18


Intelligence 18 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 36c483343398ea17347a4be4360ad4fb5f693b71cb61a5ecd919058a42884a06
SHA3-384 hash: 8da4579da6624298fe23a73fc85b258a77e56ce3a8755184919b017d2a6ccf1028d5e2686e1842b30ed3c914b2df2d5e
SHA1 hash: 9205b95e8de89f2bb4416dc901b2ffbe7aad7d0f
MD5 hash: 3d05c749ca0294f33e408903aa27641c
humanhash: beer-west-november-sixteen
File name:xXWWh0ll6koc.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:356'352 bytes
First seen:2023-06-16 09:34:23 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 6144:52NHXf500MKlzsecP8hxQwbkm/+7E4M4LMtfwKqe:4d50KzmPZ6S7MkVKqe
Threatray 432 similar samples on MalwareBazaar
TLSH T1F1748D1377A4ED3BD1BD2B3AE43206050BB4E447B716E38B5A6855B96C133878E817B3
TrID 53.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
12.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
9.5% (.SCR) Windows screen saver (13097/50/3)
7.6% (.EXE) Win64 Executable (generic) (10523/12/4)
4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter pmelson
Tags:exe QuasarRAT VoidRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
390
Origin country :
US US
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
xXWWh0ll6koc.exe
Verdict:
Malicious activity
Analysis date:
2023-06-16 09:35:10 UTC
Tags:
rat quasar evasion
Link:
https://app.any.run/tasks/fb9eb5c7-8582-4897-95d1-958c6ee5162d

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/399428/
Detection(s):
Win.Packed.Generic-9829635-0
Create hunting rule

Win.Trojan.Generic-9829636-0
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
Searching for the window
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Setting a keyboard event handler
Creating a file in the %AppData% subdirectories
Creating a window
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm fingerprint infostealer keylogger lolbin packed quasar quasarrat rat shell32.dll stealer stealer vermin xrat
Link:
https://www.filescan.io/uploads/648c2cc8153b44fd385a15e5/reports/e10f4739-5f4c-4bef-bbf3-cb8c2016146d/overview
Verdict:
Malicious
Labled as:
MSIL.PasswordStealerA.Generic
Link:
https://www.hybrid-analysis.com/sample/36c483343398ea17347a4be4360ad4fb5f693b71cb61a5ecd919058a42884a06
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.
Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e663ab77-70d1-47a3-a6c3-3e6e9048f78d
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1255904
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
Snort IDS alert for network traffic
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/36c483343398ea17347a4be4360ad4fb5f693b71cb61a5ecd919058a42884a06/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2023-06-16 09:35:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g3cignbttdvbond2jpsdmcwu7npwso3rznq2l3gzdecyuquijida._file
Verdict:
malicious
Similar samples:
2b8e46b7d6a130a487fd2ec995792b32bf3857b897e688ed4bde08a693f44f31
QuasarRAT
695722bddb32724a102d8d12aca0ebc841c4944f52632c3ea595941a6e988759
QuasarRAT
6ff685e5acfd946101b558f9f9d47a0d515c62e7476f5f83694609d64343315e
QuasarRAT
724ff8546f194ffa5aadb446a00a6476aceedda46114bb9ad8f8ad9f32e27493
QuasarRAT
aff9dae78f13a7e13244cf022de01470272b00e4f6961a40a61c9e9c9b8ca7ed
QuasarRAT
c0393c1c87a785bc946286f6053de656560728aec5e9f97a8eddf12ee0f4b8a4
QuasarRAT
d6fd21b13e5ffc0c0e56118f2154ede679b0100afdbf093a660d5dc7a427f34b
QuasarRAT
+ 422 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:build_9600 spyware trojan
Link:
https://tria.ge/reports/230616-lkcnyaec52/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Looks up external IP address via web service
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
rick63.publicvm.com:6750
Unpacked files
SH256 hash:
36c483343398ea17347a4be4360ad4fb5f693b71cb61a5ecd919058a42884a06
MD5 hash:
3d05c749ca0294f33e408903aa27641c
SHA1 hash:
9205b95e8de89f2bb4416dc901b2ffbe7aad7d0f
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/e360aa8c-e5a2-4ac6-a2a3-3f65e29b1750/
Malware family:
xRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/36c483343398/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/36c483343398ea17347a4be4360ad4fb5f693b71cb61a5ecd919058a42884a06

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 (Nextron Systems)
Description:Detects malware from disclosed CN malware set
Reference:https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details
Rule name:CN_disclosed_20180208_KeyLogger_1_RID3227
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_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:malware_Quasar_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
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 (Nextron Systems)
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Description:Detects QuasarRAT malware
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:Quasar_RAT_1
Create hunting rule
Author:@SOCRadar
Description:Detects Quasar RAT
Rule name:Quasar_RAT_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_1_RID2B54
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
Description:Detects Quasar RAT
Rule name:Quasar_RAT_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_2_RID2B55
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 (Nextron Systems)
Description:Detects Vermin Keylogger
Reference:https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/
Rule name:Windows_Trojan_Quasarrat_e52df647
Create hunting rule
Author:Elastic Security
Rule name:xRAT_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W
Rule name:xRAT_1_RID2900
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.

Web download

QuasarRAT

Executable exe 36c483343398ea17347a4be4360ad4fb5f693b71cb61a5ecd919058a42884a06

(this sample)

  
Link
https://www.virustotal.com/gui/file/36c483343398ea17347a4be4360ad4fb5f693b71cb61a5ecd919058a42884a06/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/399428/

Comments