MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 268501cbc4704142a83673aab0b20dc7b8bf9221b70f0e7bbb42f072ed341e7a. 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: 20


Intelligence 20 IOCs YARA 34 File information Comments 1

SHA256 hash: 268501cbc4704142a83673aab0b20dc7b8bf9221b70f0e7bbb42f072ed341e7a
SHA3-384 hash: cbd22d930fdc711329f3236f9d54a82d3577695cc4a81ca5202788ca48598a5788266d88d9efc65232b857b57b5dc89d
SHA1 hash: a77d5d5f20e48eb05fc9051be4e643e19cb86ebd
MD5 hash: c7b5a111744b16106c9120ebf726e982
humanhash: thirteen-mobile-lima-single
File name:268501cbc4704142a83673aab0b20dc7b8bf9221b70f0e7bbb42f072ed341e7a
Download: download sample
Signature QuasarRAT
File size:356'864 bytes
First seen:2025-08-20 17:56:28 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:Q2+EMJ1kbrTzS+QbZVuZV3zbOBUciMAFRzeI5GgFuj:fS1ki+RcRiMspeQGgFs
Threatray 653 similar samples on MalwareBazaar
TLSH T1E6746B2373A4A93BD1BD173AE43206056BF4D507BB16E38B5A6845BC6D233828D917F3
TrID 58.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
13.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
8.4% (.EXE) Win64 Executable (generic) (10522/11/4)
5.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter JAMESWT_WT
Tags:exe jul5050quasae-duckdns-org QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
58
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
268501cbc4704142a83673aab0b20dc7b8bf9221b70f0e7bbb42f072ed341e7a
Verdict:
Malicious activity
Analysis date:
2025-08-20 17:59:43 UTC
Tags:
evasion quasar rat

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 keylog remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Setting a keyboard event handler
Creating a file in the %AppData% subdirectories
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm fingerprint infostealer keylogger lolbin obfuscated obfuscated obfuscated quasar rat runonce stealer stealer threat vbnet vermin xrat
Verdict:
QuasarRat
YARA:
16 match(es)
Tags:
.Net Executable Malicious Managed .NET PE (Portable Executable) PE File Layout QuasarRat RAT SOS: 0.61 Win 32 Exe x86
Malware Config
C2 Extraction:
PORT: jul5050quasaf.duckdns.
CNC: jul5050quasaf.duckdns.
PORT: 5050
CNC: jul5050quasae.duckdns.org
PORT: 5050
CNC: jul5050quasad.duckdns.org
PORT: 5050
CNC: jul5050quasac.duckdns.org
PORT: 5050
CNC: jul5050quasab.duckdns.org
PORT: 5050
CNC: jul5050quasa.duckdns.org
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Status:
Malicious
First seen:
2025-07-26 02:00:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
32 of 38 (84.21%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:office04 discovery spyware trojan
Behaviour
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Looks up external IP address via web service
Checks computer location settings
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
jul5050quasa.duckdns.org:5050
jul5050quasab.duckdns.org:5050
jul5050quasac.duckdns.org:5050
jul5050quasad.duckdns.org:5050
jul5050quasae.duckdns.org:5050
jul5050quasaf.duckdns.org:5050
Verdict:
Malicious
Tags:
rat quasar_rat vermin Win.Packed.Generic-9829635-0 External_IP_Lookup AZORult VoidRat Qasar_Rat
YARA:
JPCERTCC_Quasar MALWARE_Win_QuasarRAT MAL_QuasarRAT_May19_1 Quasar_RAT_1 Quasar_RAT_2 Vermin_Keylogger_Jan18_1 Windows_Trojan_Quasarrat_e52df647 malware_Quasar_strings malware_windows_quasarrat win_quasar_rat_client
Unpacked files
SH256 hash:
268501cbc4704142a83673aab0b20dc7b8bf9221b70f0e7bbb42f072ed341e7a
MD5 hash:
c7b5a111744b16106c9120ebf726e982
SHA1 hash:
a77d5d5f20e48eb05fc9051be4e643e19cb86ebd
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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:quasarrat
Author:jeFF0Falltrades
Rule name:QuasarRAT
Author:ditekshen
Description:QuasarRAT payload
Rule name:quasarrat_kingrat
Author:jeFF0Falltrades
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
Author:@SOCRadar
Description:Detects Quasar RAT
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:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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.

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
commented on 2025-08-20 18:00:57 UTC

RAT King Parser (https://github.com/jeFF0Falltrades/rat_king_parser) Output:

{
"sha256": "268501cbc4704142a83673aab0b20dc7b8bf9221b70f0e7bbb42f072ed341e7a",
"yara_possible_family": "quasarrat",
"key": "1331d159138a10045f3d24a2d28bff52",
"salt": "bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941",
"config": {
"obfuscated_key_1": "1.3.0.0",
"obfuscated_key_2": "jul5050quasa.duckdns.org:5050;jul5050quasab.duckdns.org:5050;jul5050quasac.duckdns.org:5050;jul5050quasad.duckdns.org:5050;jul5050quasae.duckdns.org:5050;jul5050quasaf.duckdns.org:5050;",
"obfuscated_key_3": 3000,
"obfuscated_key_4": "1WvgEMPjdwfqIMeM9MclyQ==",
"obfuscated_key_5": "NcFtjbDOcsw7Evd3coMC0y4koy/SRZGydhNmno81ZOWOvdfg7sv0Cj5ad2ROUfX4QMscAIjYJdjrrs41+qcQwg==",
"obfuscated_key_6": "APPLICATIONDATA",
"obfuscated_key_7": "SubDir",
"obfuscated_key_8": "Client.exe",
"obfuscated_key_9": false,
"obfuscated_key_10": false,
"obfuscated_key_11": "QSR_MUTEX_HAw6LhtQ1vnPbRMEnz",
"obfuscated_key_12": "Quasar Client Startup",
"obfuscated_key_13": false,
"obfuscated_key_14": true,
"obfuscated_key_15": "EQ989DgkPSn9nR6JdT1p",
"obfuscated_key_16": "Office04",
"obfuscated_key_17": "Logs",
"obfuscated_key_18": false,
"obfuscated_key_19": false
}
}