MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b219bf5757901cfc4924f9a1bd4a7dc4572ca5a3f45084872fefac6dc819612c. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b219bf5757901cfc4924f9a1bd4a7dc4572ca5a3f45084872fefac6dc819612c
SHA3-384 hash: c5bda47f506a2b7b75099f96e8357c7660216fb9bf6b579b002e113cd8b9729eaf0cd85827a9cf40efea12d6a9ec72a4
SHA1 hash: b57a4e570e09705f2765f5b5932a7af0cbb63b98
MD5 hash: 72f71415c0cd1e86b3d9e810ee40ee67
humanhash: indigo-lithium-ten-nitrogen
File name:Orbt.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:186'336 bytes
First seen:2025-10-23 16:59:50 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:tXN4UZGki9WottjDVlyYbK7A/RU4lCA4IxC/6gVw7xmS:tXN4UZDi9xlypspU4l44CygVw7sS
TLSH T1DA043A45FC819E67C6C613BBFB5E028D372617A8D2EE32039D255F21378B55B0E7A242
telfhash t1b1b092fa4389aeb04158952b05f629142f84f9caa105116356f48dad67a71c9a057227
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 711be9942dd1ba0474eb18cdd9e018f9d2c8ad11ec68b85d0ef2c8536b12ae7e
File size (compressed) :70'148 bytes
File size (de-compressed) :186'336 bytes
Format:linux/arm
Packed file: 711be9942dd1ba0474eb18cdd9e018f9d2c8ad11ec68b85d0ef2c8536b12ae7e

Intelligence

File Origin
# of uploads :
1
# of downloads :
101
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin masquerade remote
Link:
https://www.filescan.io/uploads/68fa5f5511ff3db29f6735b7/reports/b165d401-d021-4338-92a3-a45b6691dd1b/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-23T14:10:00Z UTC
Last seen:
2025-10-23T19:40:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl
Link:
https://opentip.kaspersky.com/b219bf5757901cfc4924f9a1bd4a7dc4572ca5a3f45084872fefac6dc819612c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/acb62f5c-3d56-4314-a41d-0bae48eaa697
Behavior Graph:
Download SVG
%3 guuid=aef6ca62-1900-0000-0cf9-1ecc4e100000 pid=4174 /usr/bin/sudo guuid=7afa8964-1900-0000-0cf9-1ecc56100000 pid=4182 /tmp/sample.bin guuid=aef6ca62-1900-0000-0cf9-1ecc4e100000 pid=4174->guuid=7afa8964-1900-0000-0cf9-1ecc56100000 pid=4182 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d8dd7c70-44c9-433f-ac86-fd7185572fd0
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1800786
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1800786 Sample: Orbt.arm.elf Startdate: 23/10/2025 Architecture: LINUX Score: 68 26 mirailoversddos.duckdns.org 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 6 other IPs or domains 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Gafgyt 2->36 8 Orbt.arm.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 38 Uses dynamic DNS services 26->38 process4 process5 16 Orbt.arm.elf 8->16         started        18 Orbt.arm.elf 8->18         started        20 Orbt.arm.elf 8->20         started        process6 22 Orbt.arm.elf 16->22         started        24 Orbt.arm.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b219bf5757901cfc4924f9a1bd4a7dc4572ca5a3f45084872fefac6dc819612c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b219bf5757901cfc4924f9a1bd4a7dc4572ca5a3f45084872fefac6dc819612c/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b219bf5757901cfc4924f9a1bd4a7dc4572ca5a3f45084872fefac6dc819612c
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-23 17:01:06 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wim36v2xsaopysje7gq32st5yrlszjnd6riijbzp56wg3sazmewa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251023-vjh9rsgp2y/
Malware Config
C2 Extraction:
mirailoversddos.duckdns.org
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/34a4947d-4c8f-4fb5-9edc-dc4b3349f3f0
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/b219bf5757901cfc4924f9a1bd4a7dc4572ca5a3f45084872fefac6dc819612c

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

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

Web download

Mirai

elf 711be9942dd1ba0474eb18cdd9e018f9d2c8ad11ec68b85d0ef2c8536b12ae7e

Mirai

elf b219bf5757901cfc4924f9a1bd4a7dc4572ca5a3f45084872fefac6dc819612c

(this sample)

  
Dropped by
SHA256 711be9942dd1ba0474eb18cdd9e018f9d2c8ad11ec68b85d0ef2c8536b12ae7e
  
URLhaus
https://urlhaus.abuse.ch/url/3682109/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 1a03336d8a7ed89a12c5382ee90fa7e1
  
URLhaus
https://urlhaus.abuse.ch/url/3684969/

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