MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 47aff64a94753c1e22b1babfecfc6c4d82cb79b6a919008ee4222fbf6143565e. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 47aff64a94753c1e22b1babfecfc6c4d82cb79b6a919008ee4222fbf6143565e
SHA3-384 hash: 75e91d34e529c7166a286d7c90744df6135c90747cc7582ceb4acd89bd7cfacb63e19ceec0907da8e81e96424fe9e49e
SHA1 hash: b57d3f5ba5fff9fe1c84af213dd3d7535011fd11
MD5 hash: e50ec95737834a33d94d9d082dbaa6c8
humanhash: nebraska-oregon-red-london
File name:arm7.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:119'536 bytes
First seen:2025-11-21 23:48:01 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:qvmuIQmjxGlMP8uAasEWmdMN1ZFUFOAcXzSnRhVzj:qf08lGVAasEWmdQ1ZFU2zinVzj
TLSH T1B9C32A56B9819F12D4C331BAFA9E414933136FF8D3FA71018D20AF6523CA99B0F7A512
telfhash t12bf08b46c7181fbc16d6016b44faba2166e8f2998700a84589ecefcf426bec5743902d
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
44
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10001386-0
Create hunting rule

Unix.Trojan.Mirai-10010127-0
Create hunting rule

Unix.Trojan.Mirai-10017351-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Changes the time when the file was created, accessed, or modified
Runs as daemon
Deletes a file
Receives data from a server
Creating a file
Kills processes
Opens a port
Deleting a recently created file
Sends data to a server
Launching a process
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm gcc mirai rust
Link:
https://www.filescan.io/uploads/6920fa3f6a9db4642e0e5f19/reports/329dd2c1-a5e4-476d-acdf-414ee995e2fb/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-21T22:04:00Z UTC
Last seen:
2025-11-21T23:36:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/47aff64a94753c1e22b1babfecfc6c4d82cb79b6a919008ee4222fbf6143565e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/44c4b8ff-5255-4349-b5e7-770e1f85d65d
Behavior Graph:
Download SVG
%3 guuid=aa23e831-1a00-0000-56f2-a9bb130d0000 pid=3347 /usr/bin/sudo guuid=53b21f34-1a00-0000-56f2-a9bb180d0000 pid=3352 /tmp/sample.bin guuid=aa23e831-1a00-0000-56f2-a9bb130d0000 pid=3347->guuid=53b21f34-1a00-0000-56f2-a9bb180d0000 pid=3352 execve
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/b0966fff-37a1-4997-8feb-68ab9ad1d553
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1818947
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Writes identical ELF files to multiple locations
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1818947 Sample: arm7.uhavenobotsxd.elf Startdate: 22/11/2025 Architecture: LINUX Score: 88 67 94.154.35.153, 38454, 6969 SELECTELRU Ukraine 2->67 69 104.29.145.253, 19296, 41873, 50201 CLOUDFLARENETUS United States 2->69 71 3 other IPs or domains 2->71 85 Multi AV Scanner detection for submitted file 2->85 10 arm7.uhavenobotsxd.elf 2->10         started        13 dash rm 2->13         started        15 dash cat 2->15         started        17 8 other processes 2->17 signatures3 process4 signatures5 95 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->95 19 arm7.uhavenobotsxd.elf 10->19         started        process6 file7 59 /var/spool/cron/root, ASCII 19->59 dropped 61 /var/spool/cron/crontabs/root, ASCII 19->61 dropped 63 /root/.bashrc, ASCII 19->63 dropped 65 5 other malicious files 19->65 dropped 87 Sample tries to persist itself using /etc/profile 19->87 89 Drops files in suspicious directories 19->89 91 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 19->91 93 3 other signatures 19->93 23 arm7.uhavenobotsxd.elf sh 19->23         started        25 arm7.uhavenobotsxd.elf sh 19->25         started        27 arm7.uhavenobotsxd.elf sh 19->27         started        29 13 other processes 19->29 signatures8 process9 signatures10 32 sh cp 23->32         started        36 sh crontab 25->36         started        38 sh 25->38         started        40 sh cp 27->40         started        97 Sample tries to kill multiple processes (SIGKILL) 29->97 42 arm7.uhavenobotsxd.elf sh 29->42         started        44 arm7.uhavenobotsxd.elf sh 29->44         started        46 arm7.uhavenobotsxd.elf sh 29->46         started        48 12 other processes 29->48 process11 file12 53 /usr/bin/.sh, ELF 32->53 dropped 73 Writes identical ELF files to multiple locations 32->73 75 Drops invisible ELF files 32->75 77 Drops files in suspicious directories 32->77 55 /var/spool/cron/crontabs/tmp.k0dFL5, ASCII 36->55 dropped 79 Sample tries to persist itself using cron 36->79 81 Executes the "crontab" command typically for achieving persistence 36->81 50 sh crontab 38->50         started        57 /boot/.systemd, ELF 40->57 dropped signatures13 process14 signatures15 83 Executes the "crontab" command typically for achieving persistence 50->83
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/47aff64a94753c1e22b1babfecfc6c4d82cb79b6a919008ee4222fbf6143565e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/47aff64a94753c1e22b1babfecfc6c4d82cb79b6a919008ee4222fbf6143565e/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-21 23:48:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=i6x7msuuou6b4ivrxk76z7dmjwbmw6nwvemqbdxeeix36ykdkzpa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/251121-3tjmaa1rcq/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Writes file to shm directory
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Deletes log files
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/7ecf12d3-6de4-43f4-8c37-7204aa93e02f
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/47aff64a94753c1e22b1babfecfc6c4d82cb79b6a919008ee4222fbf6143565e

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Generic_Threat_8299c877
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 47aff64a94753c1e22b1babfecfc6c4d82cb79b6a919008ee4222fbf6143565e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3686384/
  
Delivery method
Distributed via web download

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