MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d797019b2ff011ae71e9e700e8f9a16cb463af646aae4815654ae79e09f59ceb. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d797019b2ff011ae71e9e700e8f9a16cb463af646aae4815654ae79e09f59ceb
SHA3-384 hash: 8f799584a1a53bdc4bab241c22f2b093fb48a5af992d955ea064144fd6e2764aedc98e7da9261e749fe1094602fcd91b
SHA1 hash: a156830f9635a2b347bfbf0cf4bf1d39054f2652
MD5 hash: 908af85922f099897bcad05c77cd7bf2
humanhash: robert-oklahoma-maryland-texas
File name:betray_atlasb_8zXrkqHU.bat
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:4'359'635 bytes
First seen:2026-01-09 12:43:53 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/x-msdos-batch
ssdeep 24576:rWt7Mnfs+YiV0pmgYfi6+5Zql8poh6NTluhDc0CM7+TyxzffbLzzXmKtOuEcLrew:uD4xeuvYpUihez40u0
Threatray 75 similar samples on MalwareBazaar
TLSH T15D16BEF33495B994CDEEE65F865F8728732A1282B713118C179F0E94CB2394F7B8458A
Magika batch
Reporter smica83
Tags:bat HUN QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
189
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
betray_atlasb_8zXrkqHU.bat
Verdict:
Malicious activity
Analysis date:
2026-01-09 12:44:26 UTC
Tags:
auto-reg susp-powershell evasion
Link:
https://app.any.run/tasks/bbdf8678-5fcf-45f8-826b-d8e01e05ff2d

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/48278/
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6960f8389922425f92ff28bf
Tags:
ransomware emotet shell sage
Verdict:
Suspicious
Labled as:
BAT/Agent.BGV
Link:
https://www.hybrid-analysis.com/sample/d797019b2ff011ae71e9e700e8f9a16cb463af646aae4815654ae79e09f59ceb
Verdict:
Malicious
File Type:
unix shell
First seen:
2026-01-09T10:02:00Z UTC
Last seen:
2026-01-09T10:45:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Vimditator.sb Trojan.Win32.Shellcode.sb Trojan.PowerShell.Cobalt.sb Trojan.MSIL.Agent.sb Backdoor.Win32.Androm Backdoor.MSIL.PulsarRAT.sb Backdoor.MSIL.Agent.sb Trojan.Win32.HTA.a PDM:Trojan.Win32.Generic Trojan-Dropper.Win32.Injector.sb Trojan.Win32.Agent.sb HEUR:Backdoor.MSIL.Agent.gen Trojan-PSW.MSIL.Agent.sb HEUR:Trojan.BAT.Alien.gen
Link:
https://opentip.kaspersky.com/d797019b2ff011ae71e9e700e8f9a16cb463af646aae4815654ae79e09f59ceb/results?tab=lookup
Result
Threat name:
DonutLoader
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1847254
Signature
.NET source code contains potential unpacker
Benign windows process drops PE files
Bypasses PowerShell execution policy
Creates a thread in another existing process (thread injection)
Encrypted powershell cmdline option found
Found large BAT file
Found suspicious powershell code related to unpacking or dynamic code loading
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects code into the Windows Explorer (explorer.exe)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Modifies the prolog of user mode functions (user mode inline hooks)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected DonutLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1847254 Sample: betray_atlasb_8zXrkqHU.bat Startdate: 09/01/2026 Architecture: WINDOWS Score: 100 57 1.castles.rip 2->57 59 ipwho.is 2->59 69 Malicious sample detected (through community Yara rule) 2->69 71 Yara detected DonutLoader 2->71 73 .NET source code contains potential unpacker 2->73 75 8 other signatures 2->75 10 cmd.exe 1 2->10         started        13 cmd.exe 1 2->13         started        15 cmd.exe 2->15         started        signatures3 process4 signatures5 85 Suspicious powershell command line found 10->85 87 Encrypted powershell cmdline option found 10->87 89 Bypasses PowerShell execution policy 10->89 17 cmd.exe 2 10->17         started        20 conhost.exe 10->20         started        22 conhost.exe 13->22         started        24 conhost.exe 15->24         started        process6 signatures7 65 Suspicious powershell command line found 17->65 67 Encrypted powershell cmdline option found 17->67 26 powershell.exe 23 17->26         started        29 powershell.exe 11 17->29         started        31 powershell.exe 16 17->31         started        34 3 other processes 17->34 process8 file9 91 Injects code into the Windows Explorer (explorer.exe) 26->91 93 Writes to foreign memory regions 26->93 95 Creates a thread in another existing process (thread injection) 26->95 36 explorer.exe 41 29 26->36 injected 41 csc.exe 3 26->41         started        97 Found suspicious powershell code related to unpacking or dynamic code loading 29->97 55 C:\Users\user\AppData\...\ps_TXgB4bdU.ps1, Unicode 31->55 dropped signatures10 process11 dnsIp12 61 1.castles.rip 80.99.42.73, 4782, 49692 LIBERTYGLOBALLibertyGlobalformerlyUPCBroadbandHolding Hungary 36->61 63 ipwho.is 15.204.213.5, 443, 49693 HP-INTERNET-ASUS United States 36->63 45 C:\Users\user\AppData\Roaming\...\SharpDX.dll, PE32 36->45 dropped 47 C:\Users\user\...\SharpDX.Mathematics.dll, PE32 36->47 dropped 49 C:\Users\user\...\SharpDX.Direct3D11.dll, PE32 36->49 dropped 53 11 other files (none is malicious) 36->53 dropped 77 System process connects to network (likely due to code injection or exploit) 36->77 79 Benign windows process drops PE files 36->79 81 Hides that the sample has been downloaded from the Internet (zone.identifier) 36->81 83 Unusual module load detection (module proxying) 36->83 51 C:\Users\user\AppData\Local\...\32bwaavu.dll, PE32 41->51 dropped 43 cvtres.exe 1 41->43         started        file13 signatures14 process15
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/d797019b2ff011ae71e9e700e8f9a16cb463af646aae4815654ae79e09f59ceb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d797019b2ff011ae71e9e700e8f9a16cb463af646aae4815654ae79e09f59ceb/
Verdict:
Malicious
Threat:
Trojan.Win32.PulsarRAT
Link:
https://tip.neiki.dev/file/d797019b2ff011ae71e9e700e8f9a16cb463af646aae4815654ae79e09f59ceb
Threat name:
Text.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-01-08 02:20:36 UTC
File Type:
Text (Batch)
AV detection:
5 of 24 (20.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=26lqdgzp6ai244pj44aor6nbns2ghl3enkxeqflfjltz4cpvttvq._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
donutloader
Create hunting rule
Similar samples:
0455ebce0a62e2413a730a8e172cde5e6171d2a3569c4620c7e10a6ff04a3710
QuasarRAT
0b5c1b777491d7f267bdb5b1eb6e687323799f85ea5eac44f3db11a84c7f505c
QuasarRAT
2ad6a919f8256c9100324af50c0894527bb71f344ecdfe1e1f00b4e708ff8481
QuasarRAT
3c122a88359e5c0f3dd2a6e41d6472f54d1620a5c5364da994e6ca8c0fa9432b
QuasarRAT
6eeb5788ce02a71cee8cad314c4f1c467ac0dc77b23cbbef4f3a38bdfbd75f46
QuasarRAT
8b285bfafb3e876e29f04165896276d17f0998e2b02f97c90a28c34ab53ee866
QuasarRAT
9250584a4878cae6188ba7eafa667e4612afbfb89e2698bbc5ceb7fa17cddc08
QuasarRAT
e27288fcd6c3ccbadf90d37481ff6b407e31eeb33f775e5110be3e75401879b9
QuasarRAT
error
QuasarRAT
+ 65 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:donutloader family:quasar defense_evasion execution loader persistence spyware trojan
Link:
https://tria.ge/reports/260109-pyr8bsbw9e/
Behaviour
Modifies registry class
NTFS ADS
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Adds Run key to start application
Command and Scripting Interpreter: PowerShell
Detects DonutLoader
DonutLoader
Donutloader family
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/d797019b2ff011ae71e9e700e8f9a16cb463af646aae4815654ae79e09f59ceb

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:Base64_Encoded_Powershell_Directives
Create hunting rule
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:SUSP_Base64
Create hunting rule
Author:Eslam Hassan
Description:Detects hex encoded code that has been base64 encoded
Reference:Internal Research
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/48278/

Comments