MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4def4e80c6c744dbd0057ae877d33ae371068308e97e199d6b740c00cc8d0365. 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


Threat unknown


Vendor detections: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4def4e80c6c744dbd0057ae877d33ae371068308e97e199d6b740c00cc8d0365
SHA3-384 hash: cba3d6fb559a70492d58add95099f68e988d16217d6912b91e3c635e091120525762929cc9053a1d74717358676ebd46
SHA1 hash: 6a27244989ad26e2aafd004fb6a77a017ef31ea2
MD5 hash: 4f7e85ecfff9fdc7000df49ba571a014
humanhash: west-edward-violet-don
File name:Captcha.bat
Download: download sample
File size:10'115'814 bytes
First seen:2025-12-23 17:16:24 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/x-msdos-batch
ssdeep 49152:U4uPavUkjFeT6aVMoogtS6WNIqKLRKe2SgkTVZKErSsJJrClwXLxVDfd0TfhQ5ID:n
Threatray 1'199 similar samples on MalwareBazaar
TLSH T157A633516FD41D3D0AFD5239F46F2B9E73560FA208ADE4CF82D5318607AEA06693EC06
Magika batch
Reporter abuse_ch
Tags:bat

Intelligence

File Origin
# of uploads :
1
# of downloads :
30
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
Captcha.bat
Verdict:
Suspicious activity
Analysis date:
2025-07-24 03:06:03 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d327246e-e700-4250-a885-2595a00f8ea9

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/45900/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.76288869.10454.9909.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=694ace8b01c7b4a8fe5521d5
Tags:
obfuscate shell sage
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/4def4e80c6c744dbd0057ae877d33ae371068308e97e199d6b740c00cc8d0365
Verdict:
Malicious
File Type:
unix shell
First seen:
2025-04-20T07:12:00Z UTC
Last seen:
2025-12-23T06:27:00Z UTC
Hits:
~10
Detections:
Trojan.Win64.Agent.smebut PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Stealer.sb Trojan.Win64.Reflo.sb Trojan.Win64.Kryplod.sb HEUR:Trojan.BAT.Alien.gen HEUR:Rootkit.Win64.Agent.gen
Link:
https://opentip.kaspersky.com/4def4e80c6c744dbd0057ae877d33ae371068308e97e199d6b740c00cc8d0365/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad.troj.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1838334
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Creates a thread in another existing process (thread injection)
Found large BAT file
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
Injects code into the Windows Explorer (explorer.exe)
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
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
PE file contains section with special chars
Powershell drops PE file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Sample is not signed and drops a device driver
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suspicious powershell command line found
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected Powershell decode and execute
Yara detected Powershell decrypt and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1838334 Sample: Captcha.bat Startdate: 23/12/2025 Architecture: WINDOWS Score: 100 58 shed.dual-low.part-0013.t-0009.t-msedge.net 2->58 60 part-0013.t-0009.t-msedge.net 2->60 62 2 other IPs or domains 2->62 72 Malicious sample detected (through community Yara rule) 2->72 74 Multi AV Scanner detection for dropped file 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 11 other signatures 2->78 12 cmd.exe 1 2->12         started        signatures3 process4 signatures5 98 Suspicious powershell command line found 12->98 15 powershell.exe 12 12->15         started        18 conhost.exe 12->18         started        process6 signatures7 100 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 15->100 102 Powershell drops PE file 15->102 20 cmd.exe 1 15->20         started        process8 signatures9 80 Suspicious powershell command line found 20->80 23 powershell.exe 9 32 20->23         started        27 powershell.exe 15 20->27         started        29 conhost.exe 20->29         started        31 2 other processes 20->31 process10 file11 56 C:\Windows\System32\drivers\ACPIx86.sys, PE32+ 23->56 dropped 84 Writes to foreign memory regions 23->84 86 Modifies the context of a thread in another process (thread injection) 23->86 88 Sample is not signed and drops a device driver 23->88 90 2 other signatures 23->90 33 winlogon.exe 23->33 injected 36 cmd.exe 1 23->36         started        38 findstr.exe 1 27->38         started        signatures12 process13 signatures14 64 Injects code into the Windows Explorer (explorer.exe) 33->64 66 Writes to foreign memory regions 33->66 68 Allocates memory in foreign processes 33->68 70 3 other signatures 33->70 40 svchost.exe 33->40 injected 43 dwm.exe 33->43 injected 45 lsass.exe 33->45 injected 51 31 other processes 33->51 47 powershell.exe 23 36->47         started        49 conhost.exe 36->49         started        process15 signatures16 92 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 40->92 94 Unusual module load detection (module proxying) 40->94 96 Loading BitLocker PowerShell Module 47->96 53 WmiPrvSE.exe 47->53         started        process17 signatures18 82 Unusual module load detection (module proxying) 53->82
Score:
86%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/4def4e80c6c744dbd0057ae877d33ae371068308e97e199d6b740c00cc8d0365
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4def4e80c6c744dbd0057ae877d33ae371068308e97e199d6b740c00cc8d0365/
Verdict:
Malicious
Threat:
Trojan.BAT.Alien
Link:
https://tip.neiki.dev/file/4def4e80c6c744dbd0057ae877d33ae371068308e97e199d6b740c00cc8d0365
Threat name:
Script-BAT.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2025-04-26 02:58:12 UTC
File Type:
Text
AV detection:
8 of 36 (22.22%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jxxu5aggy5cnxuafpluhpuz24nyqnayi5f7bthlloqgabtenansq._file
Verdict:
malicious
Label(s):
xwormloader
Create hunting rule
Similar samples:
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2c7d58690529990afc514b12c60f805abebfae9f798685f93de0b87eebbb240d
3a1108af4bfe7864add18f34e0658f2da34930fbef90e34f176fd938065bf2bc
614ce7fb8a4a9214f3c185458394866350ce76cb99ce2012f06dbe9ecaaffa31
7925aea8fdd372084d270a382309a4faa68a01d6021b3e25f3fc55e05d221888
8334c7fef8be871a5eb090eb7eb5ff837fe9a5e770b3da8abc8057fef1b1469a
c5a31f2c04e3d0e7aec2a3877597075386dc4def55db26c0a1a9d2c1f74a5f05
c8c0f29ae884187179b1891c83c89241fd60b524c1a98ab0f762dab84c589d73
dd1937330f8b10026eb29045fb3d57e1364bf1fe8a80b92568fc4a055ad99c1d
error
+ 1'189 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution
Link:
https://tria.ge/reports/251225-nyaslswjhy/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
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/4def4e80c6c744dbd0057ae877d33ae371068308e97e199d6b740c00cc8d0365

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.

Web download

Batch (bat) bat 4def4e80c6c744dbd0057ae877d33ae371068308e97e199d6b740c00cc8d0365

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3741215/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/45900/

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