MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1f10f596e3e926cc99f83054a69094039fce96b325e0e6176255a38ea91a3c8. 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


Mirai


Vendor detections: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1f10f596e3e926cc99f83054a69094039fce96b325e0e6176255a38ea91a3c8
SHA3-384 hash: cf06d39aba972c4aef120bf9ef7baf0c143c2e6db69acd42294d6eb96706f11fe15bb541f29ac81bf5d888a5886a77ca
SHA1 hash: 4eb1f373297c85e356bcff6257cd3807097c9eac
MD5 hash: be5304ffe9f1ee30a404d2d438cd4eae
humanhash: red-robert-fillet-carolina
File name:Orbt.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:65'660 bytes
First seen:2025-10-20 06:39:43 UTC
Last seen:2025-10-21 02:39:39 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:eAW51dpswxalbIXzf4icEnCXgRfSprNU1OfBhdRoigBnTZ0PpWq:t0bVaQf9CXYfSprNawBhPoLBuH
TLSH T1DC5302EF913DDE96E257EEB7046C4B64E542F50BE2826A57048EBC3FC816F092581623
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 mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
53
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-19.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Runs as daemon
Opens a port
Sends data to a server
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed threat upx
Link:
https://www.filescan.io/uploads/68f5da0711ff3db29f64356a/reports/09901338-522f-4a96-99fb-04e4268ffe57/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-10-19T21:35:00Z UTC
Last seen:
2025-10-20T10:13:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b1f10f596e3e926cc99f83054a69094039fce96b325e0e6176255a38ea91a3c8/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0a96f294-1157-4549-9eaf-1603ddd82cd6
Behavior Graph:
Download SVG
%3 guuid=f5f5ce20-1a00-0000-f79e-4e6d830a0000 pid=2691 /usr/bin/sudo guuid=52067522-1a00-0000-f79e-4e6d8b0a0000 pid=2699 /tmp/sample.bin mprotect-exec net guuid=f5f5ce20-1a00-0000-f79e-4e6d830a0000 pid=2691->guuid=52067522-1a00-0000-f79e-4e6d8b0a0000 pid=2699 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=52067522-1a00-0000-f79e-4e6d8b0a0000 pid=2699->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=73881723-1a00-0000-f79e-4e6d8e0a0000 pid=2702 /tmp/sample.bin guuid=52067522-1a00-0000-f79e-4e6d8b0a0000 pid=2699->guuid=73881723-1a00-0000-f79e-4e6d8e0a0000 pid=2702 clone guuid=a29c864d-1b00-0000-f79e-4e6dac0c0000 pid=3244 /tmp/sample.bin guuid=52067522-1a00-0000-f79e-4e6d8b0a0000 pid=2699->guuid=a29c864d-1b00-0000-f79e-4e6dac0c0000 pid=3244 clone guuid=ba288f4d-1b00-0000-f79e-4e6dad0c0000 pid=3245 /tmp/sample.bin net send-data zombie guuid=52067522-1a00-0000-f79e-4e6d8b0a0000 pid=2699->guuid=ba288f4d-1b00-0000-f79e-4e6dad0c0000 pid=3245 clone guuid=76831d23-1a00-0000-f79e-4e6d8f0a0000 pid=2703 /tmp/sample.bin guuid=73881723-1a00-0000-f79e-4e6d8e0a0000 pid=2702->guuid=76831d23-1a00-0000-f79e-4e6d8f0a0000 pid=2703 clone guuid=c6b42023-1a00-0000-f79e-4e6d900a0000 pid=2704 /tmp/sample.bin net send-data zombie guuid=73881723-1a00-0000-f79e-4e6d8e0a0000 pid=2702->guuid=c6b42023-1a00-0000-f79e-4e6d900a0000 pid=2704 clone guuid=c6b42023-1a00-0000-f79e-4e6d900a0000 pid=2704->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1350B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=c6b42023-1a00-0000-f79e-4e6d900a0000 pid=2704->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=ba288f4d-1b00-0000-f79e-4e6dad0c0000 pid=3245->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1380B guuid=ba288f4d-1b00-0000-f79e-4e6dad0c0000 pid=3245->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/781b3962-4f90-4cfc-879a-384202865cbc
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1798092
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1798092 Sample: Orbt.x86_64.elf Startdate: 20/10/2025 Architecture: LINUX Score: 76 22 mirailoversddos.duckdns.org. [malformed] 2->22 24 mirailoversddos.duckdns.org 2->24 26 4 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Gafgyt 2->32 34 Sample is packed with UPX 2->34 8 Orbt.x86_64.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 36 Sends malformed DNS queries 22->36 38 Uses dynamic DNS services 24->38 process4 process5 12 Orbt.x86_64.elf 8->12         started        14 Orbt.x86_64.elf 8->14         started        16 Orbt.x86_64.elf 8->16         started        process6 18 Orbt.x86_64.elf 12->18         started        20 Orbt.x86_64.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b1f10f596e3e926cc99f83054a69094039fce96b325e0e6176255a38ea91a3c8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b1f10f596e3e926cc99f83054a69094039fce96b325e0e6176255a38ea91a3c8/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-20 00:36:43 UTC
File Type:
ELF64 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=whyq6wloh2jgzsm7qmcuu2ijia47z2llgjpa4ylwevndr2urupea._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251020-hgwe4asrhy/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
mirailoversddos.duckdns.org
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b6ba73c5-4070-41a9-830e-9e7d3ec6c9d9
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b1f10f596e3e926cc99f83054a69094039fce96b325e0e6176255a38ea91a3c8

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

File information

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

Web download

Mirai

elf b1f10f596e3e926cc99f83054a69094039fce96b325e0e6176255a38ea91a3c8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3682117/
  
Delivery method
Distributed via web download

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