MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40b12737a037d1549d295ea46b480298268da2ef996c0110880dcbd652589c46. 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 4 File information Comments
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SHA256 hash: 40b12737a037d1549d295ea46b480298268da2ef996c0110880dcbd652589c46
SHA3-384 hash: 70521da2b025c85b0c0e048728cd2124a28740d3e326824eb87fda381d2d5bfd81a6dfe54a6b73b975805c3eafe47d78
SHA1 hash: b0dbb5b407066d698aeeb2b82b9fd7fb33ca61be
MD5 hash: 5a997f1f19ef376eb5ddce6302b6dc54
humanhash: whiskey-winter-alanine-fix
File name:vejfa5
Download: download sample
Signature Mirai
Create hunting rule
File size:151'744 bytes
First seen:2025-04-11 02:13:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:hoTQtitxX3BaprbOZ0i5T2KNr4VwYRThZM/lqm7nOLO+yy3TU8QwlA2wywGPaHlb:hoTJ0b85Th4tRbM/lveF3zaZSmV
TLSH T126E30845B8415F23C6D622BBFB5E428D772A1768D3EE72039D256F24378B85B0E37242
telfhash t1d621f121af1807ec2be0d2858289923e5fe0319d57021a969f9f2ecf4822d84303d43b
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 :
168
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30423.LX.BOT.UNOFFICIAL
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Unix.Trojan.Mirai-9441505-0
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Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f87bc91dba888a93cffb29linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/db857a62-6bce-4350-abeb-5c94306198b5
Result
Threat name:
Aquabot
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Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1662711
Signature
Deletes system log files
Manipulation of devices in /dev
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Sends malformed DNS queries
Yara detected Aquabot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1662711 Sample: vejfa5.elf Startdate: 11/04/2025 Architecture: LINUX Score: 72 25 raw.awaken-network.net. [malformed] 2->25 27 109.202.202.202, 80 INIT7CH Switzerland 2->27 29 3 other IPs or domains 2->29 33 Yara detected Aquabot 2->33 8 vejfa5.elf 2->8         started        10 gvfsd-fuse fusermount 2->10         started        13 systemd journalctl 2->13         started        15 2 other processes 2->15 signatures3 35 Sends malformed DNS queries 25->35 process4 signatures5 17 vejfa5.elf 8->17         started        43 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->43 process6 signatures7 31 Sample deletes itself 17->31 20 vejfa5.elf 17->20         started        23 vejfa5.elf 17->23         started        process8 signatures9 37 Manipulation of devices in /dev 20->37 39 Deletes system log files 20->39 41 Sample tries to kill multiple processes (SIGKILL) 23->41
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/40b12737a037d1549d295ea46b480298268da2ef996c0110880dcbd652589c46
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/40b12737a037d1549d295ea46b480298268da2ef996c0110880dcbd652589c46/
Threat name:
Linux.Backdoor.Mirai
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Status:
Malicious
First seen:
2025-04-11 06:31:00 UTC
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=icyson5ag7ivjhjjl2sgwsactati3ixptfwaceeibxf5musytrda._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet:botnet
Link:
https://tria.ge/reports/250411-cn2b2axns9/
Malware Config
C2 Extraction:
141.98.10.142
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/40b12737a037d1549d295ea46b480298268da2ef996c0110880dcbd652589c46

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:F01_s1ckrule
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Author:s1ckb017
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: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 40b12737a037d1549d295ea46b480298268da2ef996c0110880dcbd652589c46

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3477314/
  
Delivery method
Distributed via web download

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