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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7964bf2bb01a509c1f1428ffa5e5a32eb5fc523d84847c44bab58a1ee6087e2. 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


AsyncRAT


Vendor detections: 15


Intelligence 15 IOCs 1 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b7964bf2bb01a509c1f1428ffa5e5a32eb5fc523d84847c44bab58a1ee6087e2
SHA3-384 hash: c1ca5caa7f39a5e3b0bc668648a86af5f0767be69ad96ae41997a6e97a21dbb3d8f4136e29e1620caa13ebb65e980056
SHA1 hash: 4fafc915d21ba94644838aca012c62024d2b519a
MD5 hash: 57e1108dd2d314c945eeb457c01b7b46
humanhash: missouri-delaware-failed-west
File name:IntimationReturn475843.bat
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:2'559'874 bytes
First seen:2026-11-04 21:10:08 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 24576:3ZICDgUdIYnqCrmEVWdn2jxZzebX9IhhDFfi/YuZcerQcTLVFg7pzUddE8WlXVTH:ZZrEdnxMh7/ZF
TLSH T1C4C59E0B4CE62A3DA7D4220D50BFE64F2E9015B7AECC146FDA2529697DB794DC00F0E6
TrID 66.6% (.HTML) HyperText Markup Language (UTF-8) (6000/1/1)
33.3% (.TXT) Text - UTF-8 encoded (3000/1)
Magika powershell
Reporter abuse_ch
Tags:AsyncRAT bat RAT


Avatar
abuse_ch
AsyncRAT C2:
64.89.160.29:6606

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
64.89.160.29:6606 https://threatfox.abuse.ch/ioc/2014927/

Intelligence

File Origin
# of uploads :
1
# of downloads :
162
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
bat
Verdict:
No threats detected
Analysis date:
2026-11-04 21:19:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c5217e13-cdd2-4040-86ff-4e3025990e49

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/97233/
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6aeb9f407d28ff7e598cae0a
Tags:
asyncrat vmdetect autorun autoit
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug autoit base64 cmd dropper encrypted evasive expired-cert fingerprint keylogger lolbin obfuscated persistence powershell reconnaissance
Link:
https://www.filescan.io/uploads/6aeb9f4242a25de009815878/reports/e14d0e71-ff54-4742-ae0b-5bee134ed536/overview
Verdict:
Malicious
Labled as:
PowerShell/TrojanDropper.Agent
Link:
https://www.hybrid-analysis.com/sample/b7964bf2bb01a509c1f1428ffa5e5a32eb5fc523d84847c44bab58a1ee6087e2
Verdict:
Malicious
File Type:
unix shell
First seen:
2026-11-04T18:42:00Z UTC
Last seen:
2026-11-05T03:34:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b7964bf2bb01a509c1f1428ffa5e5a32eb5fc523d84847c44bab58a1ee6087e2/results?tab=lookup
Result
Threat name:
AsyncRAT, DonutLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1998522
Signature
Allocates memory in foreign processes
Bypasses PowerShell execution policy
Creates a thread in another existing process (thread injection)
Found large BAT file
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
PowerShell case anomaly found
Sample uses string decryption to hide its real strings
Sigma detected: Suspicious PowerShell Parameter Substring
Suricata IDS alerts for network traffic
Unusual module load detection (module proxying)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected DonutLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1998522 Sample: IntimationReturn475843.bat Startdate: 04/11/2026 Architecture: WINDOWS Score: 100 45 prakahjadhav74.duckdns.org 2->45 47 pradeepprabhu705.noip.at 2->47 51 Suricata IDS alerts for network traffic 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 59 7 other signatures 2->59 11 cmd.exe 4 2->11         started        15 vijewyufveonabghulluonouceyasi.exe 2->15         started        17 svchost.exe 1 1 2->17         started        signatures3 57 Uses dynamic DNS services 45->57 process4 dnsIp5 41 C:\Temp\update.ps1, Unicode 11->41 dropped 67 Bypasses PowerShell execution policy 11->67 69 PowerShell case anomaly found 11->69 20 cmd.exe 1 11->20         started        23 conhost.exe 11->23         started        71 Writes to foreign memory regions 15->71 73 Allocates memory in foreign processes 15->73 75 Creates a thread in another existing process (thread injection) 15->75 25 iexpress.exe 2 15->25         started        43 127.0.0.1 unknown unknown 17->43 file6 signatures7 process8 dnsIp9 61 PowerShell case anomaly found 20->61 28 powershell.exe 20 20->28         started        49 pradeepprabhu705.noip.at 64.89.160.29, 49718, 6606 GHOSTYNETWORKSUS Luxembourg 25->49 63 Installs a global keyboard hook 25->63 signatures10 process11 signatures12 77 Found suspicious powershell code related to unpacking or dynamic code loading 28->77 31 vijewyufveonabghulluonouceyasi.exe 28->31         started        34 reg.exe 1 1 28->34         started        process13 signatures14 79 Writes to foreign memory regions 31->79 81 Allocates memory in foreign processes 31->81 83 Creates a thread in another existing process (thread injection) 31->83 36 iexpress.exe 31->36         started        process15 signatures16 65 Unusual module load detection (module proxying) 36->65 39 WerFault.exe 22 18 36->39         started        process17
Score:
83%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/b7964bf2bb01a509c1f1428ffa5e5a32eb5fc523d84847c44bab58a1ee6087e2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b7964bf2bb01a509c1f1428ffa5e5a32eb5fc523d84847c44bab58a1ee6087e2/
Threat name:
Win32.Trojan.Qwexlafiba
Create hunting rule
Status:
Malicious
First seen:
2026-11-04 21:10:24 UTC
File Type:
Text (Batch)
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w6lex4v3agsqtqprikh7uxs2glvv7rjd3beeprclvnmkd3taq7ra._file
Verdict:
malicious
Label(s):
AsyncRAT
Create hunting rule
DonutLoader
Create hunting rule
Link:
https://reports.threatray.com/3861d517-3678-4c0f-a4dd-73a17131900a
Result
Malware family:
donutloader
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:donutloader botnet:nov 5th red discovery execution loader persistence rat suricata
Link:
https://tria.ge/reports/261104-zz6r8afy4q/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Executes a command shell one-liner
Program crash
System Location Discovery: System Language Discovery
Adds Run key to start application
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Async RAT payload
Detects DonutLoader
Family: AsyncRat
Family: DonutLoader
Suricata alert: AsyncRAT Malware Default X.509 Certificate Detected - Inbound
Malware Config
C2 Extraction:
pradeepprabhu705.noip.at:6606
prakahjadhav74.duckdns.org:6606
prakashjadhav747.duckdns.org:6606
Malware Family:
cobalt
Create hunting rule
Malicious:
True
Tags:
bat
Link:
https://intel.virussign.com/intelligence/file/b7964bf2bb01a509c1f1428ffa5e5a32eb5fc523d84847c44bab58a1ee6087e2
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/b7964bf2bb01a509c1f1428ffa5e5a32eb5fc523d84847c44bab58a1ee6087e2

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: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:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

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/97233/

Comments