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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d59c558bbf9dc61a3631246a3d56f9d7e2fcd4f8d5c39e6837d471b3fbe9ba40. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d59c558bbf9dc61a3631246a3d56f9d7e2fcd4f8d5c39e6837d471b3fbe9ba40
SHA3-384 hash: 7523491c0a5fbb4eb9dc0cb8075f2ae5b8bfd8679dc23a1b239410fc29156ef4111de931a7efaf82b6c7616a25793d75
SHA1 hash: a64765ccc7d0a419fcdf27211949f2558a738271
MD5 hash: 815b5c7f36c42dbca2a76246c84489f8
humanhash: jersey-aspen-spring-sixteen
File name:kkk.bat
Download: download sample
Signature XWorm
Create hunting rule
File size:1'152'697 bytes
First seen:2025-11-10 09:17:37 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 24576:ZmOicHMAYAuCGXDvL12EtixI+fmNoUL4lgUHcViurkt:ZmFgKpirmmrPc6
TLSH T16135F1113975081F2ED1D44BBB64993BF5BA8806F5070BE8BF5C3A57B5CA39BB148883
Magika batch
Reporter smica83
Tags:bat xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_d59c558bbf9dc61a3631246a3d56f9d7e2fcd4f8d5c39e6837d471b3fbe9ba40.txt
Verdict:
No threats detected
Analysis date:
2025-11-10 09:19:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e01a54a4-7b05-40bc-95a7-257f918fd039

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
R77
Create hunting rule
Link:
https://www.capesandbox.com/analysis/36673/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6911add8e2c9ded75d78f3f5
Tags:
shell overt sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Launching a process
Sending a custom TCP request
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Creating a window
Setting browser functions hooks
Downloading the file
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 cmd evasive fingerprint lolbin obfuscated powershell
Link:
https://www.filescan.io/uploads/6911add6935d9f0d73c95c75/reports/2b943027-5613-46a9-ab74-925316c3c3c1/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/d59c558bbf9dc61a3631246a3d56f9d7e2fcd4f8d5c39e6837d471b3fbe9ba40
Verdict:
Malicious
File Type:
unix shell
First seen:
2025-11-10T06:46:00Z UTC
Last seen:
2025-11-10T07:35:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.BAT.Agent.gen Trojan-PSW.Win32.Stealer.sb Trojan.Win64.Reflo.sb Trojan.Win64.Kryplod.sb Trojan.Win32.Agent.sb Trojan.BAT.Agent.sb PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/d59c558bbf9dc61a3631246a3d56f9d7e2fcd4f8d5c39e6837d471b3fbe9ba40/results?tab=lookup
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1811213
Signature
.NET source code contains potential unpacker
.NET source code contains process injector
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Bypasses PowerShell execution policy
Check if machine is in data center or colocation facility
Connects to a pastebin service (likely for C&C)
Contains functionality to inject code into remote 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 prolog of user mode functions (user mode inline hooks)
Protects its processes via BreakOnTermination flag
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded IEX Cmdlet
Sigma detected: Suspicious PowerShell Parameter Substring
Suricata IDS alerts for network traffic
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Uses Register-ScheduledTask to add task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Powershell decrypt and execute
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1811213 Sample: kkk.bat Startdate: 10/11/2025 Architecture: WINDOWS Score: 100 44 pastebin.com 2->44 46 ip-api.com 2->46 48 discord.com 2->48 60 Suricata IDS alerts for network traffic 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Yara detected Powershell decrypt and execute 2->64 68 16 other signatures 2->68 9 cmd.exe 1 2->9         started        signatures3 66 Connects to a pastebin service (likely for C&C) 44->66 process4 signatures5 84 Suspicious powershell command line found 9->84 86 Bypasses PowerShell execution policy 9->86 12 powershell.exe 4 8 9->12         started        16 cmd.exe 1 9->16         started        18 conhost.exe 9->18         started        process6 dnsIp7 54 170.130.55.99, 25565 EONIX-COMMUNICATIONS-ASBLOCK-62904US United States 12->54 56 pastebin.com 104.20.29.150, 443, 49723 CLOUDFLARENETUS United States 12->56 58 discord.com 162.159.136.232, 443, 49721 CLOUDFLARENETUS United States 12->58 88 Suspicious powershell command line found 12->88 90 Protects its processes via BreakOnTermination flag 12->90 92 Writes to foreign memory regions 12->92 94 2 other signatures 12->94 20 winlogon.exe 12->20 injected 23 powershell.exe 37 12->23         started        25 powershell.exe 15 12->25         started        27 powershell.exe 14 15 16->27         started        signatures8 process9 dnsIp10 70 Injects code into the Windows Explorer (explorer.exe) 20->70 72 Contains functionality to inject code into remote processes 20->72 74 Writes to foreign memory regions 20->74 82 3 other signatures 20->82 30 lsass.exe 6 20->30 injected 33 svchost.exe 20->33 injected 35 svchost.exe 20->35 injected 42 30 other processes 20->42 76 Loading BitLocker PowerShell Module 23->76 38 conhost.exe 23->38         started        40 conhost.exe 25->40         started        52 ip-api.com 208.95.112.1, 49717, 80 TUT-ASUS United States 27->52 78 Suspicious powershell command line found 27->78 80 Uses Register-ScheduledTask to add task schedules 27->80 signatures11 process12 dnsIp13 96 Writes to foreign memory regions 30->96 98 System process connects to network (likely due to code injection or exploit) 33->98 50 pastebin.com 35->50 signatures14 100 Connects to a pastebin service (likely for C&C) 50->100
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/d59c558bbf9dc61a3631246a3d56f9d7e2fcd4f8d5c39e6837d471b3fbe9ba40
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d59c558bbf9dc61a3631246a3d56f9d7e2fcd4f8d5c39e6837d471b3fbe9ba40/
Verdict:
Clean
Link:
https://tip.neiki.dev/file/d59c558bbf9dc61a3631246a3d56f9d7e2fcd4f8d5c39e6837d471b3fbe9ba40
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2woflc57txdbunrrervd2vxz27rpzvhy2xbz42bx2ry3h67jxjaa._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution
Link:
https://tria.ge/reports/251110-k9p5wsvnfr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Looks up external IP address via web service
Badlisted process makes network request
Malware Config
Dropper Extraction:
http://ip-api.com/line/?fields=hosting
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/d59c558bbf9dc61a3631246a3d56f9d7e2fcd4f8d5c39e6837d471b3fbe9ba40

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:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
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/36673/

Comments