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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1493609fce8d9db82e0a65aec17e405683f94b1302f63092a5fd9773a0d2d243. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1493609fce8d9db82e0a65aec17e405683f94b1302f63092a5fd9773a0d2d243
SHA3-384 hash: 58aaa2fa462e6fc6b4442ecb5872fd26aa2a02ab9108c33674d10e6f16d36d254522f2408e9eef6bc6c5a9a6287580b0
SHA1 hash: 53905d296328d5d9a7f36fe9679569866d35222a
MD5 hash: b97de85832111edf6187fbbbcbfc2068
humanhash: california-fish-lactose-hotel
File name:Tweaker_2.0.bat
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:2'212'744 bytes
First seen:2025-11-22 14:04:57 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 24576:877fRnXgP4lC2qWwjElNA9wrOjKxT9oWIEN3mnPgbNaRxB17ta6W0Uz+EmbArYGS:i5mz4J96gcxfta15RoutoHtiA
TLSH T102A502745D4C0C28907D0B98D862DB8B17F62F94A21F9AF27EC918AE0369B16055DFFC
Magika batch
Reporter smica83
Tags:bat QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
Tweaker_2.0.bat
Verdict:
No threats detected
Analysis date:
2025-11-22 14:07:40 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/855c4ba4-10b6-4f07-a945-910ea41969f5

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/39022/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6921c32d4917b5d23db06e4d
Tags:
obfuscate xtreme shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
DNS request
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Creating a file
Enabling the 'hidden' option for recently created files
Creating a window
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
cmd findstr lolbin obfuscated powershell
Link:
https://www.filescan.io/uploads/6921c32af96b58f0dc800c48/reports/4107b497-2606-4aab-8061-e9fba0d97941/overview
Verdict:
Suspicious
Labled as:
Trojan/BAT.Obfus
Link:
https://www.hybrid-analysis.com/sample/1493609fce8d9db82e0a65aec17e405683f94b1302f63092a5fd9773a0d2d243
Verdict:
Malicious
File Type:
unix shell
First seen:
2025-11-22T11:26:00Z UTC
Last seen:
2025-11-23T01:47:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.BAT.Cobalt.gen Trojan.PowerShell.Cobalt.sb PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/1493609fce8d9db82e0a65aec17e405683f94b1302f63092a5fd9773a0d2d243/results?tab=lookup
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1819069
Signature
.NET source code contains potential unpacker
Connects to a pastebin service (likely for C&C)
Drops VBS files to the startup folder
Found large BAT file
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)
Modifies the context of a thread in another process (thread injection)
Powershell drops PE file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Sets debug register (to hijack the execution of another thread)
Sigma detected: Drops script at startup location
Sigma detected: Powerup Write Hijack DLL
Sigma detected: Register Wscript In Run Key
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript called in batch mode (surpress errors)
Wscript starts Powershell (via cmd or directly)
Yara detected AntiVM3
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819069 Sample: Tweaker_2.0.bat Startdate: 22/11/2025 Architecture: WINDOWS Score: 100 97 pastebin.com 2->97 99 ipwho.is 2->99 125 Sigma detected: Register Wscript In Run Key 2->125 127 Malicious sample detected (through community Yara rule) 2->127 129 Yara detected AntiVM3 2->129 133 9 other signatures 2->133 11 cmd.exe 1 2->11         started        14 wscript.exe 1 2->14         started        16 wscript.exe 1 2->16         started        18 2 other processes 2->18 signatures3 131 Connects to a pastebin service (likely for C&C) 97->131 process4 dnsIp5 145 Suspicious powershell command line found 11->145 147 Wscript starts Powershell (via cmd or directly) 11->147 21 powershell.exe 12 11->21         started        24 conhost.exe 11->24         started        149 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->149 151 Suspicious execution chain found 14->151 26 cmd.exe 1 14->26         started        28 cmd.exe 16->28         started        101 127.0.0.1 unknown unknown 18->101 30 cmd.exe 18->30         started        signatures6 process7 signatures8 135 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 21->135 137 Drops VBS files to the startup folder 21->137 139 Powershell drops PE file 21->139 32 cmd.exe 1 21->32         started        141 Suspicious powershell command line found 26->141 143 Wscript starts Powershell (via cmd or directly) 26->143 35 powershell.exe 10 26->35         started        37 conhost.exe 26->37         started        39 powershell.exe 28->39         started        41 conhost.exe 28->41         started        43 powershell.exe 30->43         started        45 conhost.exe 30->45         started        process9 signatures10 109 Wscript starts Powershell (via cmd or directly) 32->109 47 powershell.exe 16 60 32->47         started        52 conhost.exe 32->52         started        54 cmd.exe 1 32->54         started        56 findstr.exe 1 32->56         started        58 cmd.exe 1 35->58         started        60 cmd.exe 39->60         started        62 cmd.exe 43->62         started        process11 dnsIp12 103 147.185.221.180, 49722, 64688 SALSGIVERUS United States 47->103 105 ipwho.is 15.204.213.5, 443, 49723 HP-INTERNET-ASUS United States 47->105 107 pastebin.com 104.20.29.150, 443, 49721 CLOUDFLARENETUS United States 47->107 89 C:\Users\user\AppData\Roaming\...\SharpDX.dll, PE32 47->89 dropped 91 C:\Users\user\...\SharpDX.Mathematics.dll, PE32 47->91 dropped 93 C:\Users\user\...\SharpDX.Direct3D11.dll, PE32 47->93 dropped 95 14 other malicious files 47->95 dropped 111 Query firmware table information (likely to detect VMs) 47->111 113 Sets debug register (to hijack the execution of another thread) 47->113 115 Modifies the context of a thread in another process (thread injection) 47->115 117 Hides that the sample has been downloaded from the Internet (zone.identifier) 47->117 64 cmd.exe 47->64         started        119 Wscript starts Powershell (via cmd or directly) 58->119 66 powershell.exe 58->66         started        69 conhost.exe 58->69         started        77 2 other processes 58->77 71 powershell.exe 60->71         started        79 3 other processes 60->79 73 powershell.exe 62->73         started        75 conhost.exe 62->75         started        81 2 other processes 62->81 file13 signatures14 process15 signatures16 83 conhost.exe 64->83         started        85 chcp.com 64->85         started        87 timeout.exe 64->87         started        121 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 66->121 123 Modifies the context of a thread in another process (thread injection) 66->123 process17
Score:
97%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/1493609fce8d9db82e0a65aec17e405683f94b1302f63092a5fd9773a0d2d243
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1493609fce8d9db82e0a65aec17e405683f94b1302f63092a5fd9773a0d2d243/
Verdict:
Clean
Link:
https://tip.neiki.dev/file/1493609fce8d9db82e0a65aec17e405683f94b1302f63092a5fd9773a0d2d243
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=csjwbh6orwo3qlqkmwxmc7sak2b7ssytal3dbevf7wlxhigs2jbq._file
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar defense_evasion execution spyware trojan
Link:
https://tria.ge/reports/251122-rd3jnsaj91/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
An obfuscated cmd.exe command-line is typically used to evade detection.
Legitimate hosting services abused for malware hosting/C2
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Quasar RAT
Quasar family
Quasar payload
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1493609fce8d9db82e0a65aec17e405683f94b1302f63092a5fd9773a0d2d243

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

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/39022/

Comments