MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13b1703e61ad11f3ed6af1dc454edeaa6d2be9b2428414af2b9beacf7169ce63. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments

SHA256 hash: 13b1703e61ad11f3ed6af1dc454edeaa6d2be9b2428414af2b9beacf7169ce63
SHA3-384 hash: 24538d4237cf14949fec5879ee4e1e76e38b58177f89abf090c5ad28faa4f5140903dd809b107d8cf8f59b382405b7b4
SHA1 hash: 2cf94f1dceb1440f3b32cef99cb9fcebfb83f065
MD5 hash: 53cbc5fdcc64f3aab147f6e859fc952c
humanhash: seven-stream-hydrogen-cardinal
File name:data.x86_64
Download: download sample
File size:317'624 bytes
First seen:2026-02-27 08:47:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:9fZLx3Tl/ezz5Sg2CUMMooIxe6mphWvSfSwE0In6lbV3cdP/GR:xZLn8z5T2bMGIxJtw4n8hy/E
TLSH T1246423C473AD8B40C3C9E6F4F98944EBB65E88F35091AC5D8D59EB7CA732D4B89009D2
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf UPX
File size (compressed) :317'624 bytes
File size (de-compressed) :894'696 bytes
Format:linux/amd64
Unpacked file: 55dbb22b2f93973a3db609e6183db5fee47f0ebd1493d35466273e6f00ac022b

Intelligence


File Origin
# of uploads :
1
# of downloads :
51
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
2
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
48 / 100
Signature
Executes the "iptables" command to insert, remove and/or manipulate rules
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1875834 Sample: data.x86_64.elf Startdate: 27/02/2026 Architecture: LINUX Score: 48 39 Sample is packed with UPX 2->39 10 data.x86_64.elf 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        process3 process4 16 data.x86_64.elf 10->16         started        process5 18 data.x86_64.elf 16->18         started        process6 20 data.x86_64.elf 18->20         started        process7 22 data.x86_64.elf sh 20->22         started        24 data.x86_64.elf sh 20->24         started        26 data.x86_64.elf 20->26         started        28 2 other processes 20->28 process8 30 sh iptables 22->30         started        33 sh iptables 24->33         started        35 data.x86_64.elf 26->35         started        37 data.x86_64.elf 28->37         started        signatures9 41 Executes the "iptables" command to insert, remove and/or manipulate rules 30->41
Result
Malware family:
n/a
Score:
  6/10
Tags:
credential_access discovery linux upx
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Please note that we are no longer able to provide a coverage score for Virus Total.

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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

elf 13b1703e61ad11f3ed6af1dc454edeaa6d2be9b2428414af2b9beacf7169ce63

(this sample)

  
Delivery method
Distributed via web download

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