MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a86b3beed4068b73085adefe5be7d97acf1bbb349442243f6ab304641193bb3. 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


XWorm


Vendor detections: 17


Intelligence 17 IOCs 1 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6a86b3beed4068b73085adefe5be7d97acf1bbb349442243f6ab304641193bb3
SHA3-384 hash: 00e52a3fed0ac0a3797c538255abca6480cb421d24e046068bfb126392163e21bb8b7003b53375623167de44241f5f68
SHA1 hash: 96f3caf92a21d052b594d670e1f87cec1a751867
MD5 hash: 2f09b79dd2720e8f888b6c951afeeef7
humanhash: moon-fish-echo-xray
File name:KTAMAOFFICIAL.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:131'072 bytes
First seen:2025-10-09 08:55:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'795 x AgentTesla, 19'693 x Formbook, 12'274 x SnakeKeylogger)
ssdeep 3072:VhFtrVH4ZrCIira7bEwjE8wx3s/dEAGGG0Mpc4ltU9x:VLtaZrC9+7bE3rx3s/dEAGs8lq9
Threatray 983 similar samples on MalwareBazaar
TLSH T107D30183CA5485A2FE7AC931067553501D9ED82F8B6E6F077B6C48AEF22D32930173B4
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe xworm


Avatar
abuse_ch
XWorm C2:
147.185.221.211:34357

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
147.185.221.211:34357 https://threatfox.abuse.ch/ioc/1610015/

Intelligence

File Origin
# of uploads :
1
# of downloads :
125
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
KTAMA_OFFICIAL.exe
Verdict:
Malicious activity
Analysis date:
2025-10-09 08:39:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/93212327-5293-4205-a6cf-553f2040484f

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/31238/
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e774bb7f305fa2545de006
Tags:
dropper emotet micro spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a process with a hidden window
Creating a file
Сreating synchronization primitives
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Enabling a "Do not show hidden files" option
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/68e77899c74bd2958b17225a/reports/ed1f5ff4-276f-474b-beaa-14b36af76cbc/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/6a86b3beed4068b73085adefe5be7d97acf1bbb349442243f6ab304641193bb3
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-09T05:47:00Z UTC
Last seen:
2025-10-09T08:06:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Shellcode.sb HEUR:Trojan.MSIL.Shellcode.gen PDM:Trojan.Win32.Generic Backdoor.Agent.TCP.C&C
Link:
https://opentip.kaspersky.com/6a86b3beed4068b73085adefe5be7d97acf1bbb349442243f6ab304641193bb3/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/870cdf8b-2eef-49fe-b918-ed40f09a660b
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1791981
Signature
.NET source code contains process injector
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Binary or sample is protected by dotNetProtector
C2 URLs / IPs found in malware configuration
Changes memory attributes in foreign processes to executable or writable
Creates a thread in another existing process (thread injection)
Creates an autostart registry key pointing to binary in C:\Windows
Creates multiple autostart registry keys
Found malware configuration
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
System process connects to network (likely due to code injection or exploit)
Writes to foreign memory regions
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1791981 Sample: KTAMAOFFICIAL.exe Startdate: 09/10/2025 Architecture: WINDOWS Score: 100 92 ax-0003.ax-msedge.net 2->92 94 api.msn.com 2->94 96 2 other IPs or domains 2->96 128 Found malware configuration 2->128 130 Malicious sample detected (through community Yara rule) 2->130 132 Antivirus detection for dropped file 2->132 134 11 other signatures 2->134 12 KTAMAOFFICIAL.exe 2 4 2->12         started        16 explorer.exe 2->16         started        signatures3 process4 file5 86 C:\Users\user\AppData\Roaming\ijcyvve0.exe, PE32 12->86 dropped 88 C:\Users\...\ijcyvve0.exe:Zone.Identifier, ASCII 12->88 dropped 90 C:\Users\user\...\KTAMAOFFICIAL.exe.log, CSV 12->90 dropped 140 Changes memory attributes in foreign processes to executable or writable 12->140 142 Creates multiple autostart registry keys 12->142 144 Writes to foreign memory regions 12->144 150 3 other signatures 12->150 18 RuntimeBroker.exe 1 4 12->18 injected 21 powershell.exe 23 12->21         started        146 System process connects to network (likely due to code injection or exploit) 16->146 148 Query firmware table information (likely to detect VMs) 16->148 signatures6 process7 signatures8 102 Creates multiple autostart registry keys 18->102 104 Injects code into the Windows Explorer (explorer.exe) 18->104 106 Creates an autostart registry key pointing to binary in C:\Windows 18->106 110 2 other signatures 18->110 23 explorer.exe 18->23         started        27 explorer.exe 8 5 18->27 injected 29 explorer.exe 18->29         started        108 Loading BitLocker PowerShell Module 21->108 31 conhost.exe 21->31         started        process9 dnsIp10 98 ax-0003.ax-msedge.net 150.171.27.12, 443, 49694, 49713 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 23->98 136 Query firmware table information (likely to detect VMs) 23->136 138 Binary or sample is protected by dotNetProtector 23->138 33 rmbdsxs5.exe 23->33         started        37 wfzvsath.exe 23->37         started        39 ijcyvve0.exe 23->39         started        100 147.185.221.211, 34357, 49690, 49693 SALSGIVERUS United States 27->100 41 ijcyvve0.exe 1 4 27->41         started        43 wfzvsath.exe 29->43         started        signatures11 process12 file13 68 C:\Users\user\AppData\Roaming\ssmsmwuw.exe, PE32 33->68 dropped 70 C:\Users\...\ssmsmwuw.exe:Zone.Identifier, ASCII 33->70 dropped 112 Creates multiple autostart registry keys 33->112 114 Writes to foreign memory regions 33->114 116 Allocates memory in foreign processes 33->116 45 powershell.exe 33->45         started        72 C:\Users\user\AppData\Roaming\s01ecaq4.exe, PE32 37->72 dropped 74 C:\Users\...\s01ecaq4.exe:Zone.Identifier, ASCII 37->74 dropped 118 Adds a directory exclusion to Windows Defender 37->118 120 Creates a thread in another existing process (thread injection) 37->120 48 powershell.exe 37->48         started        76 C:\Users\user\AppData\Roaming\wfzvsath.exe, PE32 39->76 dropped 78 C:\Users\...\wfzvsath.exe:Zone.Identifier, ASCII 39->78 dropped 50 powershell.exe 39->50         started        80 C:\Users\user\AppData\Roaming\rmbdsxs5.exe, PE32 41->80 dropped 82 C:\Users\...\rmbdsxs5.exe:Zone.Identifier, ASCII 41->82 dropped 122 Antivirus detection for dropped file 41->122 124 Multi AV Scanner detection for dropped file 41->124 126 Changes memory attributes in foreign processes to executable or writable 41->126 52 powershell.exe 23 41->52         started        84 2 other malicious files 43->84 dropped 54 powershell.exe 43->54         started        signatures14 process15 signatures16 56 conhost.exe 45->56         started        58 conhost.exe 48->58         started        152 Loading BitLocker PowerShell Module 50->152 60 conhost.exe 50->60         started        62 conhost.exe 52->62         started        64 conhost.exe 54->64         started        process17 process18 66 conhost.exe 60->66         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6a86b3beed4068b73085adefe5be7d97acf1bbb349442243f6ab304641193bb3
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.37 Win 32 Exe x86
Link:
https://app.malva.re/file/2f09b79dd2720e8f888b6c951afeeef7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6a86b3beed4068b73085adefe5be7d97acf1bbb349442243f6ab304641193bb3/
Verdict:
Malicious
Threat:
Family.DONUTLOADER
Link:
https://tip.neiki.dev/file/6a86b3beed4068b73085adefe5be7d97acf1bbb349442243f6ab304641193bb3
Threat name:
ByteCode-MSIL.Trojan.Jalapeno
Create hunting rule
Status:
Malicious
First seen:
2025-10-09 08:39:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nkdlhpxnibulomefvxx6lpt5s6wpdo5tjfcceq7wvmyemqizhozq._file
Verdict:
malicious
Label(s):
donut_injector
Create hunting rule
xworm
Create hunting rule
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error
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XWorm
+ 973 additional samples on MalwareBazaar
Result
Malware family:
donutloader
Create hunting rule
Score:
  10/10
Tags:
family:donutloader adware defense_evasion execution loader persistence ransomware spyware
Link:
https://tria.ge/reports/251009-kvxana1vbw/
Behaviour
Checks SCSI registry key(s)
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Adds Run key to start application
Enumerates connected drives
Checks computer location settings
Executes dropped EXE
Boot or Logon Autostart Execution: Active Setup
Command and Scripting Interpreter: PowerShell
Detects DonutLoader
DonutLoader
Donutloader family
Modifies visibility of hidden/system files in Explorer
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4c02c1fd-a8b0-4038-8878-73edfb29ec84
Unpacked files
SH256 hash:
6a86b3beed4068b73085adefe5be7d97acf1bbb349442243f6ab304641193bb3
MD5 hash:
2f09b79dd2720e8f888b6c951afeeef7
SHA1 hash:
96f3caf92a21d052b594d670e1f87cec1a751867
Link:
https://www.unpac.me/results/0b5054b3-3dd0-448a-9687-81aa2ef830fd/
Malware family:
DonutLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6a86b3beed40/report/overview.html
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/6a86b3beed4068b73085adefe5be7d97acf1bbb349442243f6ab304641193bb3

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
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:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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)

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/31238/

Comments