MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76230f6c110b11fc37b99758be26d27d1a4c945b03f0283f15e2be21d8b5879a. 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: 19


Intelligence 19 IOCs YARA 31 File information Comments 1

SHA256 hash: 76230f6c110b11fc37b99758be26d27d1a4c945b03f0283f15e2be21d8b5879a
SHA3-384 hash: d94761c552375544fdbeddac8e23ebcba74e497cbc0e41ac59111f9a8f0d564c0b27b44cec4e863cb8bef3743755cd5d
SHA1 hash: a8d5834901132cbe59f0e1b71a2ca330d3164ee3
MD5 hash: ca3793c67c597ad1644a43ede3a94e78
humanhash: september-lamp-louisiana-blue
File name:ca3793c67c597ad1644a43ede3a94e78
Download: download sample
Signature QuasarRAT
File size:356'352 bytes
First seen:2024-10-19 12:48:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'489 x Formbook, 12'212 x SnakeKeylogger)
ssdeep 6144:/zNHXf500MVE/ifugcqbaV4mRjfL7qQuPYShsGvq:7d506iFcHV4mRjfCQuPYShsaq
Threatray 554 similar samples on MalwareBazaar
TLSH T146747D1377A4E53BD2FE173AE93206240BB4D982B617E38B5A5857B96C133864D903B3
TrID 40.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
31.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
9.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
5.7% (.EXE) Win64 Executable (generic) (10522/11/4)
3.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika pebin
Reporter zbetcheckin
Tags:32 exe QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
369
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
ca3793c67c597ad1644a43ede3a94e78
Verdict:
Malicious activity
Analysis date:
2024-10-19 12:53:38 UTC
Tags:
evasion quasar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
Dropper Quasar Msil Remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm crypto fingerprint hook infostealer keylogger lolbin quasar quasarrat rat schtasks shell32 stealer stealer vbnet vermin xrat
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected Quasar RAT
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)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Status:
Malicious
First seen:
2024-10-15 18:23:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:sigorta discovery spyware trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
System Location Discovery: System Language Discovery
Looks up external IP address via web service
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
128.0.1.24:1604
Verdict:
Malicious
Tags:
rat quasar_rat
YARA:
malware_windows_quasarrat malware_Quasar_strings win_quasar_rat_client MALWARE_Win_QuasarRAT JPCERTCC_Quasar Quasar_RAT_1 MAL_QuasarRAT_May19_1
Unpacked files
SH256 hash:
76230f6c110b11fc37b99758be26d27d1a4c945b03f0283f15e2be21d8b5879a
MD5 hash:
ca3793c67c597ad1644a43ede3a94e78
SHA1 hash:
a8d5834901132cbe59f0e1b71a2ca330d3164ee3
Detections:
QuasarRAT
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:CN_disclosed_20180208_KeyLogger_1
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
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Author:ditekSHen
Description:Detects executables containing common artifacts observed in infostealers
Rule name:malware_Quasar_strings
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:MALWARE_Win_QuasarRAT
Author:ditekSHen
Description:QuasarRAT payload
Rule name:MAL_QuasarRAT_May19_1
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
Description:Detects QuasarRAT malware
Rule name:MAL_QuasarRAT_May19_1_RID2E1E
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Quasar
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:Quasar_RAT_1
Author:@SOCRadar
Description:Detects Quasar RAT
Rule name:Quasar_RAT_1
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
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 (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
Description:Detects Quasar RAT
Rule name:Quasar_RAT_2_RID2B55
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Vermin_Keylogger_Jan18_1
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
Author:Elastic Security
Rule name:win_quasar_rat_client
Author:Matthew @ Embee_Research
Description:Detects strings present in Quasar Rat Samples.
Rule name:xRAT_1
Author:Florian Roth (Nextron Systems)
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W
Rule name:xRAT_1_RID2900
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 76230f6c110b11fc37b99758be26d27d1a4c945b03f0283f15e2be21d8b5879a

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments



Avatar
zbet commented on 2024-10-19 12:48:36 UTC

url : hxxps://upload.vina-host.com/get/MzOciXKCrS/ee.exe