MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7261d331e103420918666a13e5b2ab2f2851eaf8ec7303b50331554d2b4e23e. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b7261d331e103420918666a13e5b2ab2f2851eaf8ec7303b50331554d2b4e23e
SHA3-384 hash: f0881316b8ccdae6285545125ece67c87dd6e16ef78f6e9039a26f22930d99b0045a7dbadd7918a127c2afd5aaa900f0
SHA1 hash: ac26a78361069d491972027a60fab4992f2e7c2c
MD5 hash: 9ff39656889e4e6a649df860c6c5a346
humanhash: orange-crazy-mars-neptune
File name:morte.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:37'804 bytes
First seen:2025-10-26 23:19:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:Hd6BI21Hi0DvtrACGytO8utDaMvTL83xpwd5IfmYP3sUmnbcuyD7UHQRjM:4K24ckB8ut2jey8Umnouy8HyA
TLSH T1D203F19350E88F80E4F422FC76EF7473105C723A83CEC9517BC9E4E72946F405599965
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 :
1
# of downloads :
51
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed threat upx
Link:
https://www.filescan.io/uploads/68feaccffd2d7e012f4db567/reports/e7a6f06b-0033-48e3-b3b6-cf004e2e84ea/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-26T20:57:00Z UTC
Last seen:
2025-10-27T00:23:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl
Link:
https://opentip.kaspersky.com/b7261d331e103420918666a13e5b2ab2f2851eaf8ec7303b50331554d2b4e23e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/89ee99ec-daee-45de-bfc6-3cc89cd4700e
Behavior Graph:
Download SVG
%3 guuid=4b8e92f6-1800-0000-a6f8-447d570b0000 pid=2903 /usr/bin/sudo guuid=4a1c4cf8-1800-0000-a6f8-447d5c0b0000 pid=2908 /tmp/sample.bin net guuid=4b8e92f6-1800-0000-a6f8-447d570b0000 pid=2903->guuid=4a1c4cf8-1800-0000-a6f8-447d5c0b0000 pid=2908 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=4a1c4cf8-1800-0000-a6f8-447d5c0b0000 pid=2908->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=7461def8-1800-0000-a6f8-447d5f0b0000 pid=2911 /tmp/sample.bin guuid=4a1c4cf8-1800-0000-a6f8-447d5c0b0000 pid=2908->guuid=7461def8-1800-0000-a6f8-447d5f0b0000 pid=2911 clone guuid=e3be0426-1a00-0000-a6f8-447d6e0d0000 pid=3438 /tmp/sample.bin guuid=4a1c4cf8-1800-0000-a6f8-447d5c0b0000 pid=2908->guuid=e3be0426-1a00-0000-a6f8-447d6e0d0000 pid=3438 clone guuid=ef1c0f26-1a00-0000-a6f8-447d6f0d0000 pid=3439 /tmp/sample.bin net send-data zombie guuid=4a1c4cf8-1800-0000-a6f8-447d5c0b0000 pid=2908->guuid=ef1c0f26-1a00-0000-a6f8-447d6f0d0000 pid=3439 clone guuid=74b9e4f8-1800-0000-a6f8-447d600b0000 pid=2912 /tmp/sample.bin guuid=7461def8-1800-0000-a6f8-447d5f0b0000 pid=2911->guuid=74b9e4f8-1800-0000-a6f8-447d600b0000 pid=2912 clone guuid=17c7e9f8-1800-0000-a6f8-447d610b0000 pid=2913 /tmp/sample.bin dns net send-data zombie guuid=7461def8-1800-0000-a6f8-447d5f0b0000 pid=2911->guuid=17c7e9f8-1800-0000-a6f8-447d610b0000 pid=2913 clone guuid=17c7e9f8-1800-0000-a6f8-447d610b0000 pid=2913->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 43B e3bbf482-b030-53db-81fc-cf3025bcc1da mangotruff.redirectme.net:12121 guuid=17c7e9f8-1800-0000-a6f8-447d610b0000 pid=2913->e3bbf482-b030-53db-81fc-cf3025bcc1da send: 10B guuid=ef1c0f26-1a00-0000-a6f8-447d6f0d0000 pid=3439->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 215B c45e9fdd-bbda-5cdd-961f-90d3713660d8 mangotruff.redirectme.net:80 guuid=ef1c0f26-1a00-0000-a6f8-447d6f0d0000 pid=3439->c45e9fdd-bbda-5cdd-961f-90d3713660d8 send: 10B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/acae45aa-fafc-4ff2-a67f-4925b4119659
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1802156
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1802156 Sample: morte.x86.elf Startdate: 27/10/2025 Architecture: LINUX Score: 60 26 169.254.169.254, 80 USDOSUS Reserved 2->26 28 mangotruff.redirectme.net 94.156.152.237, 12121, 37892, 37894 NET1-ASBG Bulgaria 2->28 30 4 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Sample is packed with UPX 2->36 8 dash rm morte.x86.elf 2->8         started        10 dash rm 2->10         started        12 dash cat 2->12         started        14 8 other processes 2->14 signatures3 process4 process5 16 morte.x86.elf 8->16         started        18 morte.x86.elf 8->18         started        20 morte.x86.elf 8->20         started        process6 22 morte.x86.elf 16->22         started        24 morte.x86.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b7261d331e103420918666a13e5b2ab2f2851eaf8ec7303b50331554d2b4e23e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b7261d331e103420918666a13e5b2ab2f2851eaf8ec7303b50331554d2b4e23e/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b7261d331e103420918666a13e5b2ab2f2851eaf8ec7303b50331554d2b4e23e
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-26 23:20:46 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w4tb2my6ca2cbemgm2qt4wzkwlzikhvpr3dtao2qgmkvjuvu4i7a._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/251026-3br6psgm6x/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/437f957c-bd7a-46ce-9ed8-5614721bf40a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/b7261d331e103420918666a13e5b2ab2f2851eaf8ec7303b50331554d2b4e23e

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 b7261d331e103420918666a13e5b2ab2f2851eaf8ec7303b50331554d2b4e23e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3685597/
  
Delivery method
Distributed via web download

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