MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7dd13cc4436b6ab1ca1a1ff321d11836f666e9e7bf0532db35833db799ffd336. 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: 17


Intelligence 17 IOCs YARA 31 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7dd13cc4436b6ab1ca1a1ff321d11836f666e9e7bf0532db35833db799ffd336
SHA3-384 hash: 76a2ae51454128076b0a568b6f453eb306d5aab6260d93c528c79c56d02660ad1f2a028c821f9f59ecf4efb0e71598ed
SHA1 hash: 5c8f020ea76a8f74f97a4352f8bfce4943bd0a25
MD5 hash: 5fae616f83c5c5341eb3b967d78fdebf
humanhash: oregon-twelve-sodium-salami
File name:loader.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:2'027'008 bytes
First seen:2026-04-07 12:56:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'880 x AgentTesla, 19'800 x Formbook, 12'305 x SnakeKeylogger)
ssdeep 49152:LcSNWnw7wRPirm2NnPTKKm77LrwCB6uana:LR0noZNn2Km77LrwkFW
Threatray 393 similar samples on MalwareBazaar
TLSH T16195F064B3F9811AF1BF2BB9A8B714450B77B953EA36C74E1888609D1EB37809D50373
TrID 59.5% (.RLL) Microsoft Resource Library (x86) (177572/6/26)
24.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
5.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
2.1% (.EXE) Win64 Executable (generic) (6522/11/2)
Magika pebin
Reporter burger
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
151
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Malware family:
n/a
ID:
1
File name:
loader.exe
Verdict:
Malicious activity
Analysis date:
2026-04-07 12:55:17 UTC
Tags:
evasion crypto-regex pulsar rat
Link:
https://app.any.run/tasks/f2b00da7-d6fe-4127-b052-9ed42aa20b13

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/60727/
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

YARA.SIGNATURE_BASE_MAL_Quasarrat_May19_1.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69d4fef266ab6d001dcfe38c
Tags:
vmdetect autorun quasar
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the system32 subdirectories
Launching a process
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file
DNS request
Setting a keyboard event handler
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Enabling autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm anti-vm base64 cmd cscript evasive eventvwr explorer fingerprint hacktool lolbin mshta netsh obfuscated overlay packed pnputil privilege quasar reconnaissance runonce schtasks update
Link:
https://www.filescan.io/uploads/69d4ff0190759d6205c257ee/reports/baacd68f-6b3d-4af6-9a34-ee51f3bfadb9/overview
Verdict:
Malicious
Labled as:
Malware.Generic
Link:
https://www.hybrid-analysis.com/sample/7dd13cc4436b6ab1ca1a1ff321d11836f666e9e7bf0532db35833db799ffd336
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-04-07T09:58:00Z UTC
Last seen:
2026-04-08T19:34:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan-Banker.MSIL.ClipBanker.gen Backdoor.MSIL.PulsarRAT.sb Trojan.Win32.Vimditator.sb Trojan.MSIL.Donut.sb Trojan-PSW.MSIL.Agent.sb HEUR:Trojan.MSIL.SAgent.gen Trojan.Win32.Agent.sb PDM:Trojan.Win32.Tasker.cust PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/7dd13cc4436b6ab1ca1a1ff321d11836f666e9e7bf0532db35833db799ffd336/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f8802c4f-c292-4d64-be82-307642d19711
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1894624
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an autostart registry key pointing to binary in C:\Windows
Creates an undocumented autostart registry key
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
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
Potential Privilege Escalation using Task Scheduler highest RunLevel
Sample uses string decryption to hide its real strings
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1894624 Sample: loader.exe Startdate: 07/04/2026 Architecture: WINDOWS Score: 100 35 naeafasf1-43310.portmap.host 2->35 37 ipwho.is 2->37 39 bg.microsoft.map.fastly.net 2->39 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 6 other signatures 2->51 9 loader.exe 1 5 2->9         started        13 Client.exe 3 2->13         started        15 Client.exe 2 2->15         started        17 3 other processes 2->17 signatures3 process4 file5 31 C:\Windows\System32\idka\Client.exe, PE32 9->31 dropped 33 C:\Users\user\AppData\...\loader.exe.log, CSV 9->33 dropped 61 Creates an undocumented autostart registry key 9->61 63 Drops executables to the windows directory (C:\Windows) and starts them 9->63 65 Creates an autostart registry key pointing to binary in C:\Windows 9->65 67 3 other signatures 9->67 19 Client.exe 14 12 9->19         started        23 schtasks.exe 1 9->23         started        signatures6 process7 dnsIp8 41 naeafasf1-43310.portmap.host 193.161.193.99, 43310, 49715 BITREE-ASRU Russian Federation 19->41 43 ipwho.is 172.66.175.107, 443, 49723 CLOUDFLARENETUS United States 19->43 53 Antivirus detection for dropped file 19->53 55 Multi AV Scanner detection for dropped file 19->55 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->57 59 Installs a global keyboard hook 19->59 25 schtasks.exe 1 19->25         started        27 conhost.exe 23->27         started        signatures9 process10 process11 29 conhost.exe 25->29         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7dd13cc4436b6ab1ca1a1ff321d11836f666e9e7bf0532db35833db799ffd336
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7dd13cc4436b6ab1ca1a1ff321d11836f666e9e7bf0532db35833db799ffd336/
Verdict:
Malicious
Threat:
Family.PULSARRAT
Link:
https://tip.neiki.dev/file/7dd13cc4436b6ab1ca1a1ff321d11836f666e9e7bf0532db35833db799ffd336
Threat name:
Win32.Backdoor.Quasar
Create hunting rule
Status:
Malicious
First seen:
2026-04-07 12:56:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pxitzrcdnnvldsq2d7zsduiyg33gn2phx4ctfwzvqm63pgp72m3a._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
51fe6cfaf0e1072a180b909dba8e7fd9e078f8e6180fea4526730a37b3c03737
QuasarRAT
7dd13cc4436b6ab1ca1a1ff321d11836f666e9e7bf0532db35833db799ffd336
QuasarRAT
ecc192b51f189d8a835a5d869b16446dedcfc6724843144b3b249d61be9460c5
QuasarRAT
error
QuasarRAT
f602c038f77842fd61953e3fbfa7ec9b085f829ce7376b77b22cb93fc4927d95
QuasarRAT
feec3cf0f4281220ada2bb20bd59a3254e7543d65631a4a0deae019ffc15d277
QuasarRAT
+ 383 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:office04 execution persistence spyware trojan
Link:
https://tria.ge/reports/260407-p6lerafv2r/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Drops file in System32 directory
Adds Run key to start application
Executes dropped EXE
Modifies WinLogon for persistence
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
naeafasf1-43310.portmap.host:43310
Unpacked files
SH256 hash:
7dd13cc4436b6ab1ca1a1ff321d11836f666e9e7bf0532db35833db799ffd336
MD5 hash:
5fae616f83c5c5341eb3b967d78fdebf
SHA1 hash:
5c8f020ea76a8f74f97a4352f8bfce4943bd0a25
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/44b85738-f12a-4361-b461-c9c48ba1e27f/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7dd13cc4436b/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/7dd13cc4436b6ab1ca1a1ff321d11836f666e9e7bf0532db35833db799ffd336

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
Create hunting rule
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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_RegKeyComb_DisableWinDefender
Create hunting rule
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defender features
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:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Pulsar_RAT
Create hunting rule
Author:@bartblaze
Description:Identifies Pulsar RAT, based on Quasar RAT.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.pulsar_rat
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)
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

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/60727/

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