MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 146d6357f782fafac397aa48c098a4ace344131c1ab12b6eafe72a2c59c88814. 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: 16


Intelligence 16 IOCs YARA 24 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 146d6357f782fafac397aa48c098a4ace344131c1ab12b6eafe72a2c59c88814
SHA3-384 hash: 43b55378f7ff96ee148a2326670f0556aa385c7ddb1be1669e6c3583f2c6d0e0906ec70b48cfe9a6b9343cd3c2dfb829
SHA1 hash: 39d70630557f1bfc82dfbdfdab369e59c8a9a3da
MD5 hash: 5375f5343d54a37b52162502672a05b5
humanhash: east-undress-fish-fifteen
File name:client.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:2'621'440 bytes
First seen:2025-08-13 16:13:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:M+NtS2eWBRwRR16zhHIPbcNK0KKm77yviUSQaZaOwI55l2S62r9nwerM:M+NL7wR2EgKKm77LrwCB6Yw
Threatray 177 similar samples on MalwareBazaar
TLSH T115C5F010B7FA8206F1BF5BB8B47741480773F902DA7AC78E198891AD1EE33419D527A7
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 BABAgala00
Tags:exe Quasar QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
60
Origin country :
IL IL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
client.exe
Verdict:
No threats detected
Analysis date:
2025-08-13 16:15:02 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5478a2db-ecf2-4bce-a66b-04c6c742bf35

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/21182/
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=689cb9ab31e468d93724834d
Tags:
vmdetect quasar emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a file in the system32 subdirectories
Launching a process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm anti-vm cmd cscript explorer lolbin mshta netsh obfuscated overlay packed packed packer_detected remote runonce schtasks threat update
Link:
https://www.filescan.io/uploads/689cb9bd397fd3ce6fa7d081/reports/ac07e526-bb42-408b-b988-15c54b728cfe/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/146d6357f782fafac397aa48c098a4ace344131c1ab12b6eafe72a2c59c88814
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d89a1e15-ec28-4cc3-8e36-51408e18f7be
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/146d6357f782fafac397aa48c098a4ace344131c1ab12b6eafe72a2c59c88814
Verdict:
QuasarRat
YARA:
15 match(es)
Tags:
.Net Executable Fody/Costura Packer Html Malicious PDB Path PE (Portable Executable) QuasarRat RAT SOS: 0.16 SOS: 0.18 SOS: 0.20 SOS: 0.22 SOS: 0.23 SOS: 0.25 SOS: 0.26 SOS: 0.27 SOS: 0.29 SOS: 0.32 SOS: 0.34 SOS: 0.35 SOS: 0.62 Win 32 Exe x86
Link:
https://app.malva.re/file/5375f5343d54a37b52162502672a05b5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/146d6357f782fafac397aa48c098a4ace344131c1ab12b6eafe72a2c59c88814/
Verdict:
Malicious
Threat:
HEUR:Trojan.MSIL.Quasar
Link:
https://tip.neiki.dev/file/146d6357f782fafac397aa48c098a4ace344131c1ab12b6eafe72a2c59c88814
Threat name:
ByteCode-MSIL.Hacktool.Aikaantivm
Create hunting rule
Status:
Malicious
First seen:
2025-08-13 16:13:28 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=crwwgv7xql5pvq4xvjembgfevtruiey4dkysw3vp44vcywoiraka._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
146d6357f782fafac397aa48c098a4ace344131c1ab12b6eafe72a2c59c88814
QuasarRAT
403a210490c6018a9cf4e6f960a8fdc82fc48cc764de5f79156012b90ce96e12
QuasarRAT
6de60e8731fc16cf91a5efb445e46b44f8cd722989674bfe204fdb92fd60ba74
QuasarRAT
6e6e691a7f98fc4086f2bec28b34b2474ab783e9408c611e789a00107a24c227
QuasarRAT
7e4fe2503e3dd2028c230f5e0413423f1dbbcbda01a252d22c8ece243979e927
QuasarRAT
c598101df884baa2a9db9162b00fe4ab7adf469ae87d764e6d8b210fe095e565
QuasarRAT
error
QuasarRAT
+ 167 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:discord spyware trojan
Link:
https://tria.ge/reports/250813-tpaddas1hv/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Checks for VirtualBox DLLs, possible anti-VM trick
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
96.45.244.194:5129
96.45.244.194:5127
Verdict:
Malicious
Tags:
rat quasar_rat Win.Malware.Generic-9883083-0
YARA:
MAL_QuasarRAT_May19_1 malware_windows_quasarrat
Link:
https://app.threat.zone/submission/0f42fb81-d5b8-4842-a397-c8daa64b0990
Unpacked files
SH256 hash:
146d6357f782fafac397aa48c098a4ace344131c1ab12b6eafe72a2c59c88814
MD5 hash:
5375f5343d54a37b52162502672a05b5
SHA1 hash:
39d70630557f1bfc82dfbdfdab369e59c8a9a3da
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/76886f46-8aa2-4c4e-949e-5e9d589e2a25/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/146d6357f782/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/146d6357f782fafac397aa48c098a4ace344131c1ab12b6eafe72a2c59c88814

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:cobalt_strike_beacon_detected
Create hunting rule
Author:0x0d4y
Description:This rule detects cobalt strike beacons.
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: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_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: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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(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/21182/

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 (GUARD_CF)high

Comments