MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1888dad764c782fdb3d8cfce0916fd197e645231f3cdc28e4d45d1558a0935db. 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: 22


Intelligence 22 IOCs 1 YARA 29 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1888dad764c782fdb3d8cfce0916fd197e645231f3cdc28e4d45d1558a0935db
SHA3-384 hash: 8a10259bfd6607606d425059552ecb6800e3ec381fd43469bdf08c458a2fffbf346c6646fdaef78ae3f302b9b8fafd8f
SHA1 hash: dfae4d7db0fd05688f4c57427716ea634760fc1a
MD5 hash: 156280dc98ce13fddb21fac49dcff002
humanhash: failed-monkey-asparagus-triple
File name:156280dc98ce13fddb21fac49dcff002.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'265'536 bytes
First seen:2025-10-27 07:35:06 UTC
Last seen:2025-11-22 23:51:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 49152:evkt62XlaSFNWPjljiFa2RoUYIhg5qihwoGdQEBTHHB72eh2NT:ev462XlaSFNWPjljiFXRoUYIC5qie
TLSH T194E56B0437F85E72E16BD7B3E5B0501263F1F82AF363EB0B5181A77A5C93B5488426A7
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 abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
82.64.201.145:43710

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
82.64.201.145:43710 https://threatfox.abuse.ch/ioc/1627367/

Intelligence

File Origin
# of uploads :
2
# of downloads :
125
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
156280dc98ce13fddb21fac49dcff002.exe
Verdict:
Malicious activity
Analysis date:
2025-10-27 07:37:03 UTC
Tags:
auto-reg rat quasar remote evasion
Link:
https://app.any.run/tasks/d8a9d554-689e-4793-9541-17ae30ee2a08

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
QuasarRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/34247/
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=68ff21c86c859164aa6528a6
Tags:
infosteal autorun quasar
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
DNS request
Connection attempt
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 certreq expand explorer fingerprint infostealer lolbin obfuscated obfuscated reconnaissance runonce schtasks stealer stealer tiger
Link:
https://www.filescan.io/uploads/68ff20d43a79800405f818e5/reports/bc90ec75-595d-4ca8-9e0d-8007d02751b7/overview
Verdict:
Malicious
Labled as:
Trojan.Agent
Link:
https://www.hybrid-analysis.com/sample/1888dad764c782fdb3d8cfce0916fd197e645231f3cdc28e4d45d1558a0935db
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-27T04:09:00Z UTC
Last seen:
2025-10-28T02:37:00Z UTC
Hits:
~100
Detections:
Trojan.MSIL.Quasar.a HEUR:Trojan-Spy.MSIL.Agent.sb HEUR:Trojan.MSIL.Quasar.gen PDM:Trojan.Win32.Tasker.cust PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Stealer.sb Trojan-PSW.MSIL.Agent.sb Trojan.Win32.Quasar.sb
Link:
https://opentip.kaspersky.com/1888dad764c782fdb3d8cfce0916fd197e645231f3cdc28e4d45d1558a0935db/results?tab=lookup
Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2192c55c-ccaf-46dc-9330-d622447c29e4
Result
Threat name:
AsyncRAT, Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1802221
Signature
.NET source code contains process injector
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Connects to many ports of the same IP (likely port scanning)
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hooks files or directories query functions (used to hide files and directories)
Hooks processes query functions (used to hide processes)
Hooks registry keys query functions (used to hide registry keys)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Modifies power options to not sleep / hibernate
Modifies the context of a thread in another process (thread injection)
Modifies the hosts file
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Protects its processes via BreakOnTermination flag
Sample uses string decryption to hide its real strings
Sigma detected: Disable power options
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Potential WinAPI Calls Via CommandLine
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Stop EventLog
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Uses powercfg.exe to modify the power settings
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1802221 Sample: zEuPl0DdMI.exe Startdate: 27/10/2025 Architecture: WINDOWS Score: 100 97 ipwho.is 2->97 105 Suricata IDS alerts for network traffic 2->105 107 Found malware configuration 2->107 109 Malicious sample detected (through community Yara rule) 2->109 111 20 other signatures 2->111 10 zEuPl0DdMI.exe 5 2->10         started        14 yafnjaeuvqsx.exe 2->14         started        16 powershell.exe 2->16         started        18 7 other processes 2->18 signatures3 process4 dnsIp5 93 C:\Users\user\AppData\...\QKnxJDdjK7.exe, PE32 10->93 dropped 95 C:\Users\user\AppData\...\zEuPl0DdMI.exe.log, CSV 10->95 dropped 131 Uses schtasks.exe or at.exe to add and modify task schedules 10->131 133 Hides that the sample has been downloaded from the Internet (zone.identifier) 10->133 21 QKnxJDdjK7.exe 14 4 10->21         started        26 schtasks.exe 1 10->26         started        135 Protects its processes via BreakOnTermination flag 14->135 137 Modifies the context of a thread in another process (thread injection) 14->137 139 Adds a directory exclusion to Windows Defender 14->139 141 Modifies power options to not sleep / hibernate 14->141 28 powershell.exe 14->28         started        30 cmd.exe 14->30         started        32 sc.exe 14->32         started        38 6 other processes 14->38 143 Writes to foreign memory regions 16->143 145 Injects a PE file into a foreign processes 16->145 34 conhost.exe 16->34         started        99 127.0.0.1 unknown unknown 18->99 147 Changes security center settings (notifications, updates, antivirus, firewall) 18->147 36 MpCmdRun.exe 1 18->36         started        file6 signatures7 process8 dnsIp9 101 82.64.201.145, 43710, 49712, 49723 PROXADFR France 21->101 103 ipwho.is 147.135.36.89, 443, 49715 OVHFR United States 21->103 87 C:\Users\user\AppData\...\6LFYIM6ylkpS.exe, PE32+ 21->87 dropped 113 Antivirus detection for dropped file 21->113 115 Multi AV Scanner detection for dropped file 21->115 117 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->117 121 2 other signatures 21->121 40 6LFYIM6ylkpS.exe 21->40         started        44 schtasks.exe 1 21->44         started        46 conhost.exe 26->46         started        119 Loading BitLocker PowerShell Module 28->119 48 conhost.exe 28->48         started        50 conhost.exe 30->50         started        52 wusa.exe 30->52         started        54 conhost.exe 32->54         started        56 conhost.exe 36->56         started        58 5 other processes 38->58 file10 signatures11 process12 file13 89 C:\ProgramData\...\yafnjaeuvqsx.exe, PE32+ 40->89 dropped 91 C:\Windows\System32\drivers\etc\hosts, ASCII 40->91 dropped 123 Uses powercfg.exe to modify the power settings 40->123 125 Modifies the context of a thread in another process (thread injection) 40->125 127 Modifies the hosts file 40->127 129 2 other signatures 40->129 60 powershell.exe 40->60         started        63 cmd.exe 40->63         started        65 sc.exe 40->65         started        69 13 other processes 40->69 67 conhost.exe 44->67         started        signatures14 process15 signatures16 149 Found suspicious powershell code related to unpacking or dynamic code loading 60->149 151 Loading BitLocker PowerShell Module 60->151 71 conhost.exe 60->71         started        73 conhost.exe 63->73         started        75 wusa.exe 63->75         started        77 conhost.exe 65->77         started        79 conhost.exe 69->79         started        81 conhost.exe 69->81         started        83 conhost.exe 69->83         started        85 9 other processes 69->85 process17
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1888dad764c782fdb3d8cfce0916fd197e645231f3cdc28e4d45d1558a0935db
Verdict:
inconclusive
YARA:
11 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.31 Win 32 Exe x86
Link:
https://app.malva.re/file/156280dc98ce13fddb21fac49dcff002
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1888dad764c782fdb3d8cfce0916fd197e645231f3cdc28e4d45d1558a0935db/
Verdict:
Malicious
Threat:
Family.QUASAR
Link:
https://tip.neiki.dev/file/1888dad764c782fdb3d8cfce0916fd197e645231f3cdc28e4d45d1558a0935db
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Create hunting rule
Status:
Malicious
First seen:
2025-10-27 07:35:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
32 of 37 (86.49%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dcenvv3ey6bp3m6yz7hasfx5df7giurr6pg4fdsnixivlcqjgxnq._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:zero execution persistence spyware trojan
Link:
https://tria.ge/reports/251027-je2d1axjax/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Executes dropped EXE
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
82.64.201.145:43710
Verdict:
Malicious
Tags:
rat quasar_rat stealer Win.Malware.Generic-9883083-0
YARA:
MAL_QuasarRAT_May19_1 malware_windows_quasarrat win_quasar_rat_client MALWARE_Win_Quasarstealer
Link:
https://app.threat.zone/submission/60d3cdb1-0a7f-4601-81a5-87247c267154
Unpacked files
SH256 hash:
1888dad764c782fdb3d8cfce0916fd197e645231f3cdc28e4d45d1558a0935db
MD5 hash:
156280dc98ce13fddb21fac49dcff002
SHA1 hash:
dfae4d7db0fd05688f4c57427716ea634760fc1a
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/870f3790-5444-449b-82b8-d77ceac6772e/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1888dad764c7/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/1888dad764c782fdb3d8cfce0916fd197e645231f3cdc28e4d45d1558a0935db

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: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: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_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:Lumma_Stealer_Detection
Create hunting rule
Author:ashizZz
Description:Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/
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
Create hunting rule
Author:jeFF0Falltrades
Rule name:quasarrat_kingrat
Create hunting rule
Author:jeFF0Falltrades
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: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: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.

Cape
Cape
https://www.capesandbox.com/analysis/34247/

Comments