MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ff396138f8ca91a99089e4fe36ed5ef28f1f9d5ee2a5cb7e76a87a5e8b0bb5e. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2ff396138f8ca91a99089e4fe36ed5ef28f1f9d5ee2a5cb7e76a87a5e8b0bb5e
SHA3-384 hash: 9268358290a1680f72bf7dd0cb748eb7463bb351aa0886a9c60afcbf30c396787057fa8e42c56f81977baf3770cbed1e
SHA1 hash: e69280b8ded7c9557f11e066aceeaedb31514b51
MD5 hash: be43c8d993fb0558723ae0d3a2e8e7f7
humanhash: utah-winter-ten-batman
File name:arm5.uhavenobotsxd
Download: download sample
Signature Mirai
Create hunting rule
File size:83'156 bytes
First seen:2025-11-19 22:38:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:gI9ola6v2v8lU3oBDnS8XZ50tszpWsHrGEema:gI9olaw2voDS8X5pBSP
TLSH T191833B92FD81CA12C6D06177FB1E824D772753A8D3EF33039E266F61678A86A0E77141
telfhash t16d41cde68b9c1edc17e08748819d922ec6ea35fc1b11b5968f9dbb4f0807dc075ae435
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 :
97
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:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai rust
Link:
https://www.filescan.io/uploads/691e47195bbff1003f0aeb9d/reports/a2dc0916-8f8a-4d33-bad6-37f990bc867a/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-19T20:05:00Z UTC
Last seen:
2025-11-19T21:10:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/2ff396138f8ca91a99089e4fe36ed5ef28f1f9d5ee2a5cb7e76a87a5e8b0bb5e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2df7aaa7-3a0e-4004-b1f2-39834c92ae20
Behavior Graph:
Download SVG
%3 guuid=d5411f8f-1a00-0000-069d-e8e9470f0000 pid=3911 /usr/bin/sudo guuid=67596992-1a00-0000-069d-e8e9540f0000 pid=3924 /tmp/sample.bin guuid=d5411f8f-1a00-0000-069d-e8e9470f0000 pid=3911->guuid=67596992-1a00-0000-069d-e8e9540f0000 pid=3924 execve
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c3803bd3-d974-40bd-b186-4390fbaae8b9
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1817335
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
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
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1817335 Sample: arm5.uhavenobotsxd.elf Startdate: 19/11/2025 Architecture: LINUX Score: 80 60 94.154.35.153, 33874, 6969 SELECTELRU Ukraine 2->60 62 104.29.147.53, 19328 CLOUDFLARENETUS United States 2->62 64 2 other IPs or domains 2->64 9 arm5.uhavenobotsxd.elf 2->9         started        12 unknown .sh 2->12         started        14 unknown .sh 2->14         started        process3 signatures4 76 Sample reads /proc/mounts (often used for finding a writable filesystem) 9->76 16 arm5.uhavenobotsxd.elf 9->16         started        process5 file6 48 /var/spool/cron/root, ASCII 16->48 dropped 50 /var/spool/cron/crontabs/root, ASCII 16->50 dropped 52 /root/.bashrc, ASCII 16->52 dropped 54 6 other malicious files 16->54 dropped 66 Sample tries to set files in /etc globally writable 16->66 68 Sample tries to persist itself using /etc/profile 16->68 70 Drops files in suspicious directories 16->70 72 3 other signatures 16->72 20 arm5.uhavenobotsxd.elf sh 16->20         started        22 arm5.uhavenobotsxd.elf sh 16->22         started        24 arm5.uhavenobotsxd.elf 16->24         started        27 4 other processes 16->27 signatures7 process8 signatures9 29 sh crontab 20->29         started        33 sh 20->33         started        35 sh cp 22->35         started        74 Sample tries to kill multiple processes (SIGKILL) 24->74 37 arm5.uhavenobotsxd.elf sh 27->37         started        39 arm5.uhavenobotsxd.elf sh 27->39         started        41 arm5.uhavenobotsxd.elf sh 27->41         started        43 4 other processes 27->43 process10 file11 56 /var/spool/cron/crontabs/tmp.HcMxX9, ASCII 29->56 dropped 80 Sample tries to persist itself using cron 29->80 82 Executes the "crontab" command typically for achieving persistence 29->82 45 sh crontab 33->45         started        58 /usr/bin/.sh, ELF 35->58 dropped 84 Drops invisible ELF files 35->84 86 Drops files in suspicious directories 35->86 signatures12 process13 signatures14 78 Executes the "crontab" command typically for achieving persistence 45->78
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2ff396138f8ca91a99089e4fe36ed5ef28f1f9d5ee2a5cb7e76a87a5e8b0bb5e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2ff396138f8ca91a99089e4fe36ed5ef28f1f9d5ee2a5cb7e76a87a5e8b0bb5e/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-19 22:39:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f7zzme4prsurvgiitzh6g3wv54upd6ov5yvfzn7hnkd2l2fqxnpa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251119-2k417awmds/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/7c8bbea4-c471-4229-894e-c7021c489636
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/2ff396138f8ca91a99089e4fe36ed5ef28f1f9d5ee2a5cb7e76a87a5e8b0bb5e

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_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 2ff396138f8ca91a99089e4fe36ed5ef28f1f9d5ee2a5cb7e76a87a5e8b0bb5e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3686383/
  
Delivery method
Distributed via web download

Comments