MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb4f98a7aadc4eb5feceab64bd93b1d9c077510dd3cdb0efb6c733acd45b6e41. 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: 16


Intelligence 16 IOCs YARA 28 File information Comments
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SHA256 hash: eb4f98a7aadc4eb5feceab64bd93b1d9c077510dd3cdb0efb6c733acd45b6e41
SHA3-384 hash: 01fa037cb90abe392f37e7e7b2c06e22d5e2e7e00d3823e62ddb1af28ab735c4d6e0e87c20e6d2e005e8c080f5bd82a5
SHA1 hash: 56e094ea22fdde282949a4d987178a6f59b3b27b
MD5 hash: d292defb89bac7be1d7f41a292887eeb
humanhash: black-river-oxygen-foxtrot
File name:xwmy1oaJ1ZKs.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:295'424 bytes
First seen:2023-09-21 15:04:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'855 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 6144:jRSjIXAnZQel5w7T4P5Kq+SMv0VGb7bDcllbkAq:o4AZrg7g9zVGkllbkV
Threatray 494 similar samples on MalwareBazaar
TLSH T167545A2517F8A93BD9BE17B4F43141094BB6FC07B557F38E6A5818B82C1A38985837E3
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 :
314
Origin country :
US US
Vendor Threat Intelligence
Detection:
QuasarRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/450414/
Detection(s):
Win.Trojan.Barys-1
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

Win.Trojan.Generic-6898101-0
Create hunting rule

Win.Trojan.Generic-6898102-0
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
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm anti-vm blackshades cmd control crypto fingerprint infostealer keylogger lolbin lolbin packed quasar quasarrat ransomware rat replace schtasks schtasks shell32 stealer stealer vermin xrat
Link:
https://www.filescan.io/uploads/650c5ba183a0c6425dfb9a46/reports/fd6985e7-2dae-4d09-a740-7b965d58d46a/overview
Verdict:
Malicious
Labled as:
MSIL.PasswordStealerA.Generic
Link:
https://www.hybrid-analysis.com/sample/eb4f98a7aadc4eb5feceab64bd93b1d9c077510dd3cdb0efb6c733acd45b6e41
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/fae63089-d7d7-429e-b148-6e3769266134
Result
Threat name:
Blackshades, Quasar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1312407
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to disable the Task Manager (.Net Source)
Deletes shadow drive data (may be related to ransomware)
Found malware configuration
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
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected Blackshades RAT
Yara detected Generic Downloader
Yara detected Quasar RAT
Yara detected RansomwareGeneric
Behaviour
Behavior Graph:
Download SVG
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/eb4f98a7aadc4eb5feceab64bd93b1d9c077510dd3cdb0efb6c733acd45b6e41/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2023-09-21 15:05:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
22 of 23 (95.65%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5nhzrj5k3rhll7wovnsl3e5r3hahouin2pg3b35wy4z2zvc3nzaq._file
Verdict:
malicious
Similar samples:
3c7744b3236b34b32adf0b3a3d5b7874533878c34d200d2c07fe0e0e37cb16f6
QuasarRAT
57372f78f979ab331a3ce1ebd9154c6eb4674db4de60c5c6b521934d7b9463ac
QuasarRAT
646677233fdd94e469b50ab7f62c47ad726a1fbc14951c3536cfd920c469eb28
QuasarRAT
74494d60aaa78a3af5ed734f5d981cdf32573eefe4a17be66013af895e2987b4
QuasarRAT
8acd197dbf6d137acb5929a693166a2731ef4d6427df26a14b3c9127708841d4
QuasarRAT
a4fcf02ada330a1e50982618833ae730d5238adbf9407e303cc6c05fa8270ba5
QuasarRAT
d8cacda848bd2a780b1a081222e0eb609794e309b13327fb5fc59231022aba81
QuasarRAT
f32dd96babd3723f5a6bc5a917f72c7a349887b6605e74502916d49a5c9a3651
QuasarRAT
+ 484 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/230921-sf6jsaag99/
Behaviour
Suspicious use of AdjustPrivilegeToken
Looks up external IP address via web service
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
microsoft-virtualpc.duckdns.org:4782
Unpacked files
SH256 hash:
eb4f98a7aadc4eb5feceab64bd93b1d9c077510dd3cdb0efb6c733acd45b6e41
MD5 hash:
d292defb89bac7be1d7f41a292887eeb
SHA1 hash:
56e094ea22fdde282949a4d987178a6f59b3b27b
Detections:
QuasarRAT
Create hunting rule
win_blackshades_w0
Create hunting rule
Link:
https://www.unpac.me/results/3ecff7db-a5f4-4659-8c17-96c83762f5cb/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/eb4f98a7aadc/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/eb4f98a7aadc4eb5feceab64bd93b1d9c077510dd3cdb0efb6c733acd45b6e41

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:BlackShades_4
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:BlackShades
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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:INDICATOR_SUSPICIOUS_GENRansomware
Create hunting rule
Author:ditekSHen
Description:detects command variations typically used by ransomware
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:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
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:win_blackshades_w0
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Rule name:win_quasar_rat_client
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in Quasar Rat Samples.
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 eb4f98a7aadc4eb5feceab64bd93b1d9c077510dd3cdb0efb6c733acd45b6e41

(this sample)

  
Link
https://www.virustotal.com/gui/file/eb4f98a7aadc4eb5feceab64bd93b1d9c077510dd3cdb0efb6c733acd45b6e41/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/450414/

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