MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 884d0c2cefa850e384edd30c22b96dd9ca03443c7c57bdae7d6234c2ebf0d0c7. 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: 15


Intelligence 15 IOCs YARA 27 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 884d0c2cefa850e384edd30c22b96dd9ca03443c7c57bdae7d6234c2ebf0d0c7
SHA3-384 hash: 10736e290172ab1a3cfaef1e5ec7419a50751a93c520324289d7c2c1b39c8c43d838f7113ae28d88e51e8a5db0b8d2de
SHA1 hash: 413d22b60ae540b3b11863e2107980b0403faf50
MD5 hash: a7d75b048989da5d22a1f7cca58edb51
humanhash: bakerloo-network-michigan-uncle
File name:example_win32_dx11.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'266'048 bytes
First seen:2024-12-16 06:39:22 UTC
Last seen:2025-01-27 10:26:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'076 x AgentTesla, 20'041 x Formbook, 12'353 x SnakeKeylogger)
ssdeep 49152:TvCI22SsaNYfdPBldt698dBcjHe0RJ6qbR3LoGdHTHHB72eh2NT:TvP22SsaNYfdPBldt6+dBcjHe0RJ6E
Threatray 972 similar samples on MalwareBazaar
TLSH T102E56B143BF85E27E1BBE277A5B0041267F0FC1AF363EB0B6581677A1C53B5098426A7
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 lontze7
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
6
# of downloads :
391
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
example_win32_dx11.exe
Verdict:
Malicious activity
Analysis date:
2024-12-16 06:43:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7c3b44a7-0772-41e8-8911-e92ad7d9b462

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Malware.Generic-9883083-0
Create hunting rule

Win.Malware.Msilheracles-9900242-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL
Create hunting rule

Win.Packed.Downeks-6898097-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=675fcc1b8fb73f13afcc703a
Tags:
infosteal quasar
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Creating a file
DNS request
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Verdict:
Malicious
Labled as:
MSIL.PasswordStealerA.Generic
Link:
https://www.hybrid-analysis.com/sample/884d0c2cefa850e384edd30c22b96dd9ca03443c7c57bdae7d6234c2ebf0d0c7
Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/38b17baa-066e-48fd-aedc-71e7dcbf3785
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1575669
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files with benign system names
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: System File Execution Location Anomaly
Sigma detected: Windows Binaries Write Suspicious Extensions
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1575669 Sample: example_win32_dx11.exe Startdate: 16/12/2024 Architecture: WINDOWS Score: 100 79 yzs-42879.portmap.host 2->79 87 Found malware configuration 2->87 89 Malicious sample detected (through community Yara rule) 2->89 91 Antivirus detection for URL or domain 2->91 93 11 other signatures 2->93 15 example_win32_dx11.exe 5 2->15         started        signatures3 process4 file5 75 C:\Users\user\AppData\Roaming\...\svchost.exe, PE32 15->75 dropped 77 C:\Users\user\...\example_win32_dx11.exe.log, CSV 15->77 dropped 81 Drops PE files with benign system names 15->81 83 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->83 19 svchost.exe 5 15->19         started        signatures6 process7 file8 67 C:\Users\user\AppData\...\PCVy5DBV61lL.bat, DOS 19->67 dropped 95 Antivirus detection for dropped file 19->95 97 Multi AV Scanner detection for dropped file 19->97 99 Machine Learning detection for dropped file 19->99 101 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->101 23 cmd.exe 1 19->23         started        signatures9 process10 signatures11 107 Uses ping.exe to sleep 23->107 109 Uses ping.exe to check the status of other devices and networks 23->109 26 svchost.exe 4 23->26         started        30 conhost.exe 23->30         started        32 PING.EXE 1 23->32         started        34 chcp.com 1 23->34         started        process12 file13 73 C:\Users\user\AppData\...\tBFYAHLz2jwF.bat, DOS 26->73 dropped 113 Hides that the sample has been downloaded from the Internet (zone.identifier) 26->113 36 cmd.exe 1 26->36         started        signatures14 process15 signatures16 103 Uses ping.exe to sleep 36->103 39 svchost.exe 4 36->39         started        43 conhost.exe 36->43         started        45 PING.EXE 1 36->45         started        47 chcp.com 1 36->47         started        process17 file18 71 C:\Users\user\AppData\...\QkkCg0RvAoUh.bat, DOS 39->71 dropped 111 Hides that the sample has been downloaded from the Internet (zone.identifier) 39->111 49 cmd.exe 39->49         started        signatures19 process20 signatures21 85 Uses ping.exe to sleep 49->85 52 svchost.exe 49->52         started        56 conhost.exe 49->56         started        58 chcp.com 49->58         started        60 PING.EXE 49->60         started        process22 file23 69 C:\Users\user\AppData\...\IarnWfszfSl9.bat, DOS 52->69 dropped 105 Hides that the sample has been downloaded from the Internet (zone.identifier) 52->105 62 cmd.exe 52->62         started        signatures24 process25 signatures26 115 Uses ping.exe to sleep 62->115 65 conhost.exe 62->65         started        process27
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/884d0c2cefa850e384edd30c22b96dd9ca03443c7c57bdae7d6234c2ebf0d0c7
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/884d0c2cefa850e384edd30c22b96dd9ca03443c7c57bdae7d6234c2ebf0d0c7/
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Create hunting rule
Status:
Malicious
First seen:
2024-12-16 06:40:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rbgqylhpvbiohbhn2mgcfoln3hfagrb4prl33lt5mi2mf27q2ddq._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
3ad07a1878c8b77f9fc0143d8f88c240d8d0b986d015d4c0cd881ad9c0d572e1
QuasarRAT
4e6e48275b1f3412edc045e1a81d509ddcfe360c06bdd4483fcd5b4fc77b7ef3
QuasarRAT
8b745645c7ad72c79c48e6e17679426ef02350fb7ba021b1b031b36b65be2573
QuasarRAT
a451e748bc1e4c05bdaa722b35a5f6dd1a78765ac8967187a61b846f819c8bf6
QuasarRAT
ced760664a7c5580e324d99d695b119c1f3ec94d1d9c56d1d3882347f0c6eb10
QuasarRAT
error
QuasarRAT
f99ecbd9f26048dbb962f1711199e5f5d00ac8bbd87f539dd5a99631a15fadba
QuasarRAT
+ 962 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:nigga discovery spyware trojan
Link:
https://tria.ge/reports/241216-he714symhv/
Behaviour
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Network Configuration Discovery: Internet Connection Discovery
Checks computer location settings
Executes dropped EXE
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
yzs-42879.portmap.host:42879
Verdict:
Malicious
Tags:
rat quasar_rat stealer Win.Malware.Generic-9883083-0
YARA:
malware_windows_quasarrat win_quasar_rat_client MAL_QuasarRAT_May19_1 MALWARE_Win_Quasarstealer
Link:
https://app.threat.zone/submission/5a901942-dfbc-497b-bc79-2f639407a479
Unpacked files
SH256 hash:
884d0c2cefa850e384edd30c22b96dd9ca03443c7c57bdae7d6234c2ebf0d0c7
MD5 hash:
a7d75b048989da5d22a1f7cca58edb51
SHA1 hash:
413d22b60ae540b3b11863e2107980b0403faf50
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/b431980e-d8aa-4da9-a40b-d29fb9b99d76/
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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Diff_QuasarRAT_01
Create hunting rule
Author:schmidtsz
Description:Identify QuasarRAT samples
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
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 artifacts observed in infostealers
Rule name:MALWARE_Win_QuasarStealer
Create hunting rule
Author:ditekshen
Description:Detects Quasar infostealer
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Description:Detects QuasarRAT malware
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_RID2E1E
Create hunting rule
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:quasarrat_kingrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RC6_Constants
Create hunting rule
Author:chort (@chort0)
Description:Look for RC6 magic constants in binary
Reference:https://twitter.com/mikko/status/417620511397400576
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_803feff4
Create hunting rule
Author:Elastic Security
Rule name:win_quasar_rat_client
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in Quasar Rat Samples.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

QuasarRAT

Executable exe 884d0c2cefa850e384edd30c22b96dd9ca03443c7c57bdae7d6234c2ebf0d0c7

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3351471/

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

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