MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bac0f257d21df02f8d7fa8ccb95f5e9ee649f6fe2729918df6ef458e60aa8017. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bac0f257d21df02f8d7fa8ccb95f5e9ee649f6fe2729918df6ef458e60aa8017
SHA3-384 hash: a691ede8a581510e3995e7f4d19786a927a6cd75b3c5a851c2bd4422eae981ffa7b1d428ab53699e94abdd90bc6cfa89
SHA1 hash: da18d83d32b74c7c6f8a262a6ac5236116439c1f
MD5 hash: 26833a301dead64e0e36c616f5a9d923
humanhash: south-pizza-quebec-mobile
File name:ub8ehJSePAfc9FYqZIT6.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:70'624 bytes
First seen:2026-01-09 13:47:40 UTC
Last seen:2026-01-10 08:39:24 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:yhMvLOOjsCUKkkEPUvSmICGNr0xToz7zJEQwzjpLr4:yHOjsCU18a9NAxcVn
TLSH T12A6302EEE1DCE85DDA389A3C503A29F65E55E2D457D31F883E354A888C2AE0760DC4A4
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
File size (compressed) :70'624 bytes
File size (de-compressed) :236'316 bytes
Format:linux/mipsel
Unpacked file: 815797347b87da718bdb9a2d05070248d04e02f0161c4f07e63daa8877779026

Intelligence

File Origin
# of uploads :
2
# of downloads :
50
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/655232d2-10da-493c-a50a-fcc31ca67482/
Detection(s):
SecuriteInfo.com.Linux.Mirai-20.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Manages services
Changes access rights for a written file
Launching a process
Locks files
Sets a written file as executable
Creating a file
Changes the time when the file was created, accessed, or modified
Connection attempt
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/6961072e07ef5fa68e82b8bc/reports/d566a177-60c3-4080-a8e4-4ebb6fbdeabf/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-09T10:55:00Z UTC
Last seen:
2026-01-09T23:51:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.r
Link:
https://opentip.kaspersky.com/bac0f257d21df02f8d7fa8ccb95f5e9ee649f6fe2729918df6ef458e60aa8017/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e36ed290-28a1-4922-a644-6f53c1bca798
Behavior Graph:
Download SVG
%3 guuid=5522bf95-1800-0000-ae56-93d3bd0a0000 pid=2749 /usr/bin/sudo guuid=b0f16897-1800-0000-ae56-93d3c30a0000 pid=2755 /tmp/sample.bin guuid=5522bf95-1800-0000-ae56-93d3bd0a0000 pid=2749->guuid=b0f16897-1800-0000-ae56-93d3c30a0000 pid=2755 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1b3c90d3-7cb9-403b-a6fb-b36e24ffa02b
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1847289
Signature
Antivirus / Scanner detection for submitted sample
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
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
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1847289 Sample: ub8ehJSePAfc9FYqZIT6.mpsl.elf Startdate: 09/01/2026 Architecture: LINUX Score: 100 116 169.254.169.254, 80 USDOSUS Reserved 2->116 118 162.213.35.25, 443, 47294 CANONICAL-ASGB United States 2->118 120 3 other IPs or domains 2->120 122 Malicious sample detected (through community Yara rule) 2->122 124 Antivirus / Scanner detection for submitted sample 2->124 126 Multi AV Scanner detection for submitted file 2->126 128 3 other signatures 2->128 11 ub8ehJSePAfc9FYqZIT6.mpsl.elf 2->11         started        14 systemd ub8ehJSePAfc9FYqZIT6.mpsl.elf 2->14         started        17 systemd ub8ehJSePAfc9FYqZIT6.mpsl.elf 2->17         started        19 24 other processes 2->19 signatures3 process4 file5 136 Sample tries to set files in /etc globally writable 11->136 138 Drops files in suspicious directories 11->138 21 ub8ehJSePAfc9FYqZIT6.mpsl.elf sh 11->21         started        23 ub8ehJSePAfc9FYqZIT6.mpsl.elf sh 11->23         started        25 ub8ehJSePAfc9FYqZIT6.mpsl.elf sh 11->25         started        31 4 other processes 11->31 114 /etc/init.d/chaotic, POSIX 14->114 dropped 33 6 other processes 14->33 27 ub8ehJSePAfc9FYqZIT6.mpsl.elf sh 17->27         started        35 5 other processes 17->35 29 ub8ehJSePAfc9FYqZIT6.mpsl.elf sh 19->29         started        37 5 other processes 19->37 signatures6 process7 process8 48 2 other processes 21->48 39 sh update-rc.d 23->39         started        42 sh crontab 25->42         started        44 sh crontab 27->44         started        46 sh crontab 29->46         started        51 3 other processes 31->51 53 5 other processes 33->53 55 4 other processes 35->55 57 4 other processes 37->57 file9 130 Sample tries to persist itself using System V runlevels 39->130 59 update-rc.d systemctl 39->59         started        132 Executes the "crontab" command typically for achieving persistence 42->132 112 /var/spool/cron/crontabs/tmp.jXgv9L, ASCII 48->112 dropped 134 Sample tries to persist itself using cron 48->134 61 sh crontab 48->61         started        64 systemctl systemd-sysv-install 51->64         started        66 systemctl systemd-sysv-install 53->66         started        68 update-rc.d systemctl 53->68         started        70 systemctl systemd-sysv-install 55->70         started        72 update-rc.d systemctl 55->72         started        74 systemctl systemd-sysv-install 57->74         started        76 update-rc.d systemctl 57->76         started        signatures10 process11 signatures12 140 Executes the "crontab" command typically for achieving persistence 61->140 78 systemd-sysv-install update-rc.d 64->78         started        80 systemd-sysv-install update-rc.d 64->80         started        82 systemd-sysv-install getopt 64->82         started        92 3 other processes 66->92 84 systemd-sysv-install update-rc.d 70->84         started        86 systemd-sysv-install update-rc.d 70->86         started        88 systemd-sysv-install getopt 70->88         started        90 systemd-sysv-install update-rc.d 74->90         started        94 2 other processes 74->94 process13 process14 96 update-rc.d systemctl 78->96         started        98 update-rc.d systemctl 80->98         started        100 update-rc.d systemctl 84->100         started        102 update-rc.d systemctl 86->102         started        104 update-rc.d systemctl 90->104         started        106 update-rc.d systemctl 92->106         started        108 update-rc.d systemctl 92->108         started        110 update-rc.d systemctl 94->110         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bac0f257d21df02f8d7fa8ccb95f5e9ee649f6fe2729918df6ef458e60aa8017
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bac0f257d21df02f8d7fa8ccb95f5e9ee649f6fe2729918df6ef458e60aa8017/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/bac0f257d21df02f8d7fa8ccb95f5e9ee649f6fe2729918df6ef458e60aa8017
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-09 13:48:31 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=xlapev6sdxyc7dl7vdglsx26t3tet5x6e4uzddpw55cy4yfkqalq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260109-q4e1madv4e/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Creates/modifies Cron job
Modifies init.d
Modifies systemd
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d9f0ee35-e2bc-4856-8b43-9c0e73c97e74
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/bac0f257d21df02f8d7fa8ccb95f5e9ee649f6fe2729918df6ef458e60aa8017

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 bac0f257d21df02f8d7fa8ccb95f5e9ee649f6fe2729918df6ef458e60aa8017

(this sample)

Mirai

elf 815797347b87da718bdb9a2d05070248d04e02f0161c4f07e63daa8877779026

  
URLhaus
https://urlhaus.abuse.ch/url/3753593/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 815797347b87da718bdb9a2d05070248d04e02f0161c4f07e63daa8877779026
  
Dropping
MD5 1f18153caec85c11d9fa6eefda60eecb

Comments