MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 915c263829c8369ee0ee03a70c11e723cdac44491b485042c4a936acdf278c2d. 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

SHA256 hash: 915c263829c8369ee0ee03a70c11e723cdac44491b485042c4a936acdf278c2d
SHA3-384 hash: 6490f3111b79698208d2af13927eaeb14e2ff196d192d790c1a298d06eef032ba394c0aab7185258d06c5f41445cc0c9
SHA1 hash: a31f2abad2530f1cd32fbb7683c6c6c36818cac6
MD5 hash: 07397280c7266d5188b150e4b950483d
humanhash: nevada-kitten-crazy-pennsylvania
File name:ub8ehJSePAfc9FYqZIT6.x86_64
Download: download sample
Signature Mirai
File size:65'908 bytes
First seen:2026-01-08 21:07:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:5jQpRuEo993y6tkS2pgLNjMRPk6+Xd1OWH4tZ:qq9xynRpyN4ReOWuZ
TLSH T1D65302B8A023B3BDE1ABF172E11D4E01FB43089AD56F4A1549D721FDB0E23516B1A9E0
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) :65'908 bytes
File size (de-compressed) :184'248 bytes
Format:linux/amd64
Unpacked file: 5e5a3d7467d444772ce413cb0f266fde25951771ba2f1353c5879e38f57d6495

Intelligence


File Origin
# of uploads :
1
# of downloads :
57
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Manages services
Changes access rights for a written file
Locks files
Launching a process
Sets a written file as executable
Creating a file
Changes the time when the file was created, accessed, or modified
Creating a file in the %temp% directory
Connection attempt
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:
  0/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-01-08T19:16:00Z UTC
Last seen:
2026-01-10T12:48:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=72c980b7-1a00-0000-151c-6dc6880c0000 pid=3208 /usr/bin/sudo guuid=37bd5fb9-1a00-0000-151c-6dc68b0c0000 pid=3211 /tmp/sample.bin mprotect-exec net write-config guuid=72c980b7-1a00-0000-151c-6dc6880c0000 pid=3208->guuid=37bd5fb9-1a00-0000-151c-6dc68b0c0000 pid=3211 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=37bd5fb9-1a00-0000-151c-6dc68b0c0000 pid=3211->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=1e5664ba-1a00-0000-151c-6dc68f0c0000 pid=3215 /usr/bin/dash guuid=37bd5fb9-1a00-0000-151c-6dc68b0c0000 pid=3211->guuid=1e5664ba-1a00-0000-151c-6dc68f0c0000 pid=3215 execve guuid=650ebeba-1a00-0000-151c-6dc6910c0000 pid=3217 /usr/bin/dash guuid=37bd5fb9-1a00-0000-151c-6dc68b0c0000 pid=3211->guuid=650ebeba-1a00-0000-151c-6dc6910c0000 pid=3217 execve guuid=8bca44bb-1a00-0000-151c-6dc6940c0000 pid=3220 /usr/bin/dash guuid=37bd5fb9-1a00-0000-151c-6dc68b0c0000 pid=3211->guuid=8bca44bb-1a00-0000-151c-6dc6940c0000 pid=3220 execve guuid=bced6cff-1a00-0000-151c-6dc6150d0000 pid=3349 /usr/bin/dash guuid=37bd5fb9-1a00-0000-151c-6dc68b0c0000 pid=3211->guuid=bced6cff-1a00-0000-151c-6dc6150d0000 pid=3349 execve guuid=532fb4ff-1a00-0000-151c-6dc6160d0000 pid=3350 /usr/bin/dash guuid=37bd5fb9-1a00-0000-151c-6dc68b0c0000 pid=3211->guuid=532fb4ff-1a00-0000-151c-6dc6160d0000 pid=3350 execve guuid=700ddd5a-1b00-0000-151c-6dc6b20d0000 pid=3506 /usr/bin/dash guuid=37bd5fb9-1a00-0000-151c-6dc68b0c0000 pid=3211->guuid=700ddd5a-1b00-0000-151c-6dc6b20d0000 pid=3506 execve guuid=b3ecbaec-1b00-0000-151c-6dc6750f0000 pid=3957 /usr/bin/dash guuid=37bd5fb9-1a00-0000-151c-6dc68b0c0000 pid=3211->guuid=b3ecbaec-1b00-0000-151c-6dc6750f0000 pid=3957 execve guuid=bae409bb-1a00-0000-151c-6dc6920c0000 pid=3218 /usr/bin/dash guuid=650ebeba-1a00-0000-151c-6dc6910c0000 pid=3217->guuid=bae409bb-1a00-0000-151c-6dc6920c0000 pid=3218 clone guuid=fa8815bb-1a00-0000-151c-6dc6930c0000 pid=3219 /usr/bin/dash guuid=650ebeba-1a00-0000-151c-6dc6910c0000 pid=3217->guuid=fa8815bb-1a00-0000-151c-6dc6930c0000 pid=3219 clone guuid=9a157fbb-1a00-0000-151c-6dc6950c0000 pid=3221 /usr/sbin/update-rc.d guuid=8bca44bb-1a00-0000-151c-6dc6940c0000 pid=3220->guuid=9a157fbb-1a00-0000-151c-6dc6950c0000 pid=3221 execve guuid=25fdadbf-1a00-0000-151c-6dc6980c0000 pid=3224 /usr/bin/systemctl guuid=9a157fbb-1a00-0000-151c-6dc6950c0000 pid=3221->guuid=25fdadbf-1a00-0000-151c-6dc6980c0000 pid=3224 execve guuid=b4a8f6ff-1a00-0000-151c-6dc6170d0000 pid=3351 /usr/bin/systemctl guuid=532fb4ff-1a00-0000-151c-6dc6160d0000 pid=3350->guuid=b4a8f6ff-1a00-0000-151c-6dc6170d0000 pid=3351 execve guuid=28dc005b-1b00-0000-151c-6dc6b30d0000 pid=3507 /usr/bin/systemctl guuid=700ddd5a-1b00-0000-151c-6dc6b20d0000 pid=3506->guuid=28dc005b-1b00-0000-151c-6dc6b30d0000 pid=3507 execve guuid=9217bb5b-1b00-0000-151c-6dc6b80d0000 pid=3512 /usr/lib/systemd/systemd-sysv-install guuid=28dc005b-1b00-0000-151c-6dc6b30d0000 pid=3507->guuid=9217bb5b-1b00-0000-151c-6dc6b80d0000 pid=3512 execve guuid=2c3c225c-1b00-0000-151c-6dc6ba0d0000 pid=3514 /usr/bin/getopt guuid=9217bb5b-1b00-0000-151c-6dc6b80d0000 pid=3512->guuid=2c3c225c-1b00-0000-151c-6dc6ba0d0000 pid=3514 execve guuid=e93e7d5c-1b00-0000-151c-6dc6bc0d0000 pid=3516 /usr/sbin/update-rc.d guuid=9217bb5b-1b00-0000-151c-6dc6b80d0000 pid=3512->guuid=e93e7d5c-1b00-0000-151c-6dc6bc0d0000 pid=3516 execve guuid=2eb13c91-1b00-0000-151c-6dc6400e0000 pid=3648 /usr/sbin/update-rc.d guuid=9217bb5b-1b00-0000-151c-6dc6b80d0000 pid=3512->guuid=2eb13c91-1b00-0000-151c-6dc6400e0000 pid=3648 execve guuid=d8ed365e-1b00-0000-151c-6dc6c20d0000 pid=3522 /usr/bin/systemctl guuid=e93e7d5c-1b00-0000-151c-6dc6bc0d0000 pid=3516->guuid=d8ed365e-1b00-0000-151c-6dc6c20d0000 pid=3522 execve guuid=9df66b92-1b00-0000-151c-6dc6450e0000 pid=3653 /usr/bin/systemctl guuid=2eb13c91-1b00-0000-151c-6dc6400e0000 pid=3648->guuid=9df66b92-1b00-0000-151c-6dc6450e0000 pid=3653 execve guuid=ca25f9ec-1b00-0000-151c-6dc6770f0000 pid=3959 /usr/bin/systemctl guuid=b3ecbaec-1b00-0000-151c-6dc6750f0000 pid=3957->guuid=ca25f9ec-1b00-0000-151c-6dc6770f0000 pid=3959 execve guuid=2fdaba13-0000-0000-151c-6dc601000000 pid=1 /usr/lib/systemd/systemd guuid=f49a5fee-1b00-0000-151c-6dc67f0f0000 pid=3967 /tmp/sample.bin delete-file mprotect-exec net write-config guuid=2fdaba13-0000-0000-151c-6dc601000000 pid=1->guuid=f49a5fee-1b00-0000-151c-6dc67f0f0000 pid=3967 execve guuid=f49a5fee-1b00-0000-151c-6dc67f0f0000 pid=3967->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=ba56f5f0-1b00-0000-151c-6dc68a0f0000 pid=3978 /usr/bin/dash guuid=f49a5fee-1b00-0000-151c-6dc67f0f0000 pid=3967->guuid=ba56f5f0-1b00-0000-151c-6dc68a0f0000 pid=3978 execve guuid=63814cf1-1b00-0000-151c-6dc68c0f0000 pid=3980 /usr/bin/dash guuid=f49a5fee-1b00-0000-151c-6dc67f0f0000 pid=3967->guuid=63814cf1-1b00-0000-151c-6dc68c0f0000 pid=3980 execve guuid=40b1d4f1-1b00-0000-151c-6dc6920f0000 pid=3986 /usr/bin/dash guuid=f49a5fee-1b00-0000-151c-6dc67f0f0000 pid=3967->guuid=40b1d4f1-1b00-0000-151c-6dc6920f0000 pid=3986 execve guuid=edd67f2b-1c00-0000-151c-6dc679100000 pid=4217 /usr/bin/dash guuid=f49a5fee-1b00-0000-151c-6dc67f0f0000 pid=3967->guuid=edd67f2b-1c00-0000-151c-6dc679100000 pid=4217 execve guuid=5cb0c82b-1c00-0000-151c-6dc67a100000 pid=4218 /usr/bin/dash guuid=f49a5fee-1b00-0000-151c-6dc67f0f0000 pid=3967->guuid=5cb0c82b-1c00-0000-151c-6dc67a100000 pid=4218 execve guuid=84d13153-1c00-0000-151c-6dc616110000 pid=4374 /usr/bin/dash guuid=f49a5fee-1b00-0000-151c-6dc67f0f0000 pid=3967->guuid=84d13153-1c00-0000-151c-6dc616110000 pid=4374 execve guuid=64a596eb-1c00-0000-151c-6dc6de120000 pid=4830 /usr/bin/dash guuid=f49a5fee-1b00-0000-151c-6dc67f0f0000 pid=3967->guuid=64a596eb-1c00-0000-151c-6dc6de120000 pid=4830 execve guuid=892471f1-1b00-0000-151c-6dc68d0f0000 pid=3981 /usr/bin/dash guuid=63814cf1-1b00-0000-151c-6dc68c0f0000 pid=3980->guuid=892471f1-1b00-0000-151c-6dc68d0f0000 pid=3981 clone guuid=68ce74f1-1b00-0000-151c-6dc68e0f0000 pid=3982 /usr/bin/dash guuid=63814cf1-1b00-0000-151c-6dc68c0f0000 pid=3980->guuid=68ce74f1-1b00-0000-151c-6dc68e0f0000 pid=3982 clone guuid=83c2fcf1-1b00-0000-151c-6dc6930f0000 pid=3987 /usr/sbin/update-rc.d guuid=40b1d4f1-1b00-0000-151c-6dc6920f0000 pid=3986->guuid=83c2fcf1-1b00-0000-151c-6dc6930f0000 pid=3987 execve guuid=3c0f3bf3-1b00-0000-151c-6dc6990f0000 pid=3993 /usr/bin/systemctl guuid=83c2fcf1-1b00-0000-151c-6dc6930f0000 pid=3987->guuid=3c0f3bf3-1b00-0000-151c-6dc6990f0000 pid=3993 execve guuid=7c99fd2b-1c00-0000-151c-6dc67c100000 pid=4220 /usr/bin/systemctl guuid=5cb0c82b-1c00-0000-151c-6dc67a100000 pid=4218->guuid=7c99fd2b-1c00-0000-151c-6dc67c100000 pid=4220 execve guuid=d9ccf853-1c00-0000-151c-6dc61a110000 pid=4378 /usr/bin/systemctl guuid=84d13153-1c00-0000-151c-6dc616110000 pid=4374->guuid=d9ccf853-1c00-0000-151c-6dc61a110000 pid=4378 execve guuid=bae1e958-1c00-0000-151c-6dc635110000 pid=4405 /usr/lib/systemd/systemd-sysv-install guuid=d9ccf853-1c00-0000-151c-6dc61a110000 pid=4378->guuid=bae1e958-1c00-0000-151c-6dc635110000 pid=4405 execve guuid=05a85159-1c00-0000-151c-6dc637110000 pid=4407 /usr/bin/getopt guuid=bae1e958-1c00-0000-151c-6dc635110000 pid=4405->guuid=05a85159-1c00-0000-151c-6dc637110000 pid=4407 execve guuid=3edebb59-1c00-0000-151c-6dc639110000 pid=4409 /usr/sbin/update-rc.d guuid=bae1e958-1c00-0000-151c-6dc635110000 pid=4405->guuid=3edebb59-1c00-0000-151c-6dc639110000 pid=4409 execve guuid=ab251586-1c00-0000-151c-6dc6ed110000 pid=4589 /usr/sbin/update-rc.d guuid=bae1e958-1c00-0000-151c-6dc635110000 pid=4405->guuid=ab251586-1c00-0000-151c-6dc6ed110000 pid=4589 execve guuid=b55bbd5b-1c00-0000-151c-6dc642110000 pid=4418 /usr/bin/systemctl guuid=3edebb59-1c00-0000-151c-6dc639110000 pid=4409->guuid=b55bbd5b-1c00-0000-151c-6dc642110000 pid=4418 execve guuid=18106c87-1c00-0000-151c-6dc6f4110000 pid=4596 /usr/bin/systemctl guuid=ab251586-1c00-0000-151c-6dc6ed110000 pid=4589->guuid=18106c87-1c00-0000-151c-6dc6f4110000 pid=4596 execve guuid=a4a1c0eb-1c00-0000-151c-6dc6df120000 pid=4831 /usr/bin/systemctl guuid=64a596eb-1c00-0000-151c-6dc6de120000 pid=4830->guuid=a4a1c0eb-1c00-0000-151c-6dc6df120000 pid=4831 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1846911 Sample: ub8ehJSePAfc9FYqZIT6.x86_64.elf Startdate: 08/01/2026 Architecture: LINUX Score: 96 116 169.254.169.254, 80 USDOSUS Reserved 2->116 118 daisy.ubuntu.com 162.213.35.24, 37114, 443 CANONICAL-ASGB United States 2->118 120 162.213.35.25, 443, 47296 CANONICAL-ASGB United States 2->120 122 Malicious sample detected (through community Yara rule) 2->122 124 Multi AV Scanner detection for submitted file 2->124 126 Yara detected Gafgyt 2->126 128 2 other signatures 2->128 11 ub8ehJSePAfc9FYqZIT6.x86_64.elf 2->11         started        14 systemd ub8ehJSePAfc9FYqZIT6.x86_64.elf 2->14         started        17 systemd ub8ehJSePAfc9FYqZIT6.x86_64.elf 2->17         started        19 22 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.x86_64.elf sh 11->21         started        23 ub8ehJSePAfc9FYqZIT6.x86_64.elf sh 11->23         started        25 ub8ehJSePAfc9FYqZIT6.x86_64.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.x86_64.elf sh 17->27         started        35 5 other processes 17->35 29 ub8ehJSePAfc9FYqZIT6.x86_64.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.UVR72S, 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       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-08 21:08:40 UTC
File Type:
ELF64 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery execution linux persistence privilege_escalation upx
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies systemd
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
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 915c263829c8369ee0ee03a70c11e723cdac44491b485042c4a936acdf278c2d

(this sample)

  
Delivery method
Distributed via web download

Comments