MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dda8c6a69e8501ae0e368a93ed9c4098c0fb22bbc647cf4e6a7ffd6a7c0e9016. 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 24 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dda8c6a69e8501ae0e368a93ed9c4098c0fb22bbc647cf4e6a7ffd6a7c0e9016
SHA3-384 hash: 328fc7960d6205bb78fc33dda7c13511ba96250b70467b6c40e39cf0898bf2bdd750dc3640425a0cf4c4a8c4d1b82c06
SHA1 hash: 7ceda7cc38d6a469e70d1dd1d0c028c924f9aa17
MD5 hash: 8dc98d92cdbc3860aeb1f50abd6e97d1
humanhash: october-mexico-ohio-lamp
File name:Client-built.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:1'683'456 bytes
First seen:2025-10-08 15:12:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'816 x AgentTesla, 19'736 x Formbook, 12'282 x SnakeKeylogger)
ssdeep 24576:fbL8C1bDS2eWBRwRR16zhHIPbcNK0KKm77yviUSQaZaOwI55l2S62r9G0lw:fbL8CVx7wR2EgKKm77LrwCB6G
TLSH T1C975E042B7F9820AE1BF5BB8B4B644540773BA43EA3AD78E198C509D0EE3340DD557A3
TrID 58.8% (.RLL) Microsoft Resource Library (x86) (177572/6/26)
24.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
5.4% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
3.4% (.EXE) Win64 Executable (generic) (10522/11/4)
2.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika pebin
Reporter burger
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
103
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Client-built.exe
Verdict:
Malicious activity
Analysis date:
2025-10-08 15:10:35 UTC
Tags:
crypto-regex
Link:
https://app.any.run/tasks/2e4ae94a-2112-4d10-b9da-642ea78fd081

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/31153/
Detection(s):
Win.Malware.Generic-9883083-0
Create hunting rule

Win.Malware.Bulz-9933026-0
Create hunting rule

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

Win.Malware.Generic-6623004-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e67eea7f305fa2545da403
Tags:
vmdetect quasar emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Connection attempt to an infection source
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a process with a hidden window
Launching the process to change network settings
Reading critical registry keys
Searching for synchronization primitives
Creating a file
Query of malicious DNS domain
Sending a TCP request to an infection source
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm anti-vm base64 cmd cscript explorer fingerprint hacktool lolbin mshta netsh obfuscated packed privilege reconnaissance runonce schtasks update
Link:
https://www.filescan.io/uploads/68e67f675a3bccf09ebd7817/reports/b9f806f8-f3db-41be-bd50-6012fb5be451/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/dda8c6a69e8501ae0e368a93ed9c4098c0fb22bbc647cf4e6a7ffd6a7c0e9016
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-08T12:14:00Z UTC
Last seen:
2025-10-08T13:24:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.MSIL.Quasar.gen Trojan-PSW.MSIL.Agent.sb Trojan-GameThief.MSIL.Worgtop.b Trojan-GameThief.MSIL.Worgtop.a Trojan-Banker.MSIL.ClipBanker.sb Trojan-Banker.MSIL.BitStealer.gen HEUR:Trojan-Banker.MSIL.ClipBanker.gen Backdoor.MSIL.Crysan.d Trojan.MSIL.Quasar.a Trojan.Agent.UDP.C&C
Link:
https://opentip.kaspersky.com/dda8c6a69e8501ae0e368a93ed9c4098c0fb22bbc647cf4e6a7ffd6a7c0e9016/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/08790582-efb7-4b23-ba05-e6febdbf41eb
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1791498
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs an instant shutdown (NtRaiseHardError)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Capture Wi-Fi password
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal WLAN passwords
Uses netsh to modify the Windows network and firewall settings
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/dda8c6a69e8501ae0e368a93ed9c4098c0fb22bbc647cf4e6a7ffd6a7c0e9016
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dda8c6a69e8501ae0e368a93ed9c4098c0fb22bbc647cf4e6a7ffd6a7c0e9016/
Verdict:
Malicious
Threat:
Family.QUASAR
Link:
https://tip.neiki.dev/file/dda8c6a69e8501ae0e368a93ed9c4098c0fb22bbc647cf4e6a7ffd6a7c0e9016
Threat name:
ByteCode-MSIL.Hacktool.Aikaantivm
Create hunting rule
Status:
Malicious
First seen:
2025-10-08 15:10:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
23 of 24 (95.83%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3wumnju6qua24drwrkj63hcatdapwiv3yzd46ttkp76wu7aosala._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
error
QuasarRAT
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:blahblahblah discovery execution persistence privilege_escalation spyware stealer trojan
Link:
https://tria.ge/reports/251008-slc5esysax/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Network Configuration Discovery: Wi-Fi Discovery
Checks computer location settings
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
only-symposium.gl.at.ply.gg:19973
Verdict:
Malicious
Tags:
red_team_tool rat quasar_rat backdoor backnet Win.Malware.Generic-9883083-0
YARA:
HKTL_EXE_AlKhaser_Jul_01 MAL_QuasarRAT_May19_1 malware_windows_quasarrat MAL_BackNet_Nov18_1
Link:
https://app.threat.zone/submission/16596f02-799d-42de-ae14-2f71a8a0e8a9
Unpacked files
SH256 hash:
dda8c6a69e8501ae0e368a93ed9c4098c0fb22bbc647cf4e6a7ffd6a7c0e9016
MD5 hash:
8dc98d92cdbc3860aeb1f50abd6e97d1
SHA1 hash:
7ceda7cc38d6a469e70d1dd1d0c028c924f9aa17
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/8fd874fd-2e7f-4332-870b-9df180593132/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dda8c6a69e85/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/dda8c6a69e8501ae0e368a93ed9c4098c0fb22bbc647cf4e6a7ffd6a7c0e9016

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:Check_Dlls
Create hunting rule
Rule name:Costura_Protobuf
Create hunting rule
Author:@bartblaze
Description:Identifies Costura and Protobuf in .NET assemblies, respectively for storing resources and (de)serialization. Seen together might indicate a suspect binary.
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:INDICATOR_EXE_Packed_Fody
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:Indicator_MiniDumpWriteDump
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:MAL_BackNet_Nov18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:MAL_BackNet_Nov18_1_RID2D6D
Create hunting rule
Author:Florian Roth
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
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:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/31153/

Comments