MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61f99d9d78e548745373c11e3f2cae2c7f9c800bb65f40ed9450a6feac72c1e2. 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 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 61f99d9d78e548745373c11e3f2cae2c7f9c800bb65f40ed9450a6feac72c1e2
SHA3-384 hash: 582d565ea3605083a6ef75cd3e2c7cc675004dc027e93c329d73bb538527a21899ece76e4182699205d00451ec5d9c6c
SHA1 hash: 7ae839cb86ae699b7d397205faad05f078d1430b
MD5 hash: d3c891c176d46873ab895eed42249de2
humanhash: echo-jupiter-connecticut-idaho
File name:ub8ehJSePAfc9FYqZIT6.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:129'188 bytes
First seen:2025-12-28 07:22:20 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:wcf1b1TDl0j3DgCuZ63tZ3BlDF5Yl8KE:wq1TDlE3Px5bY6KE
TLSH T1C1C35B86F683C4F6E8530474307AEF769E73D6BE6025DA82D7B85D329D71401DA0AB2C
telfhash t1f55118f9597e0ceca7d09802e24e6f616d4eab7b246432f705b35465327fd4101bac39
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 26870f8d2b37c7151b2df5cfa40ac1ef491e0735c97dfccde2aaac6f16fa859f
File size (compressed) :53'536 bytes
File size (de-compressed) :129'188 bytes
Format:linux/i386
Packed file: 26870f8d2b37c7151b2df5cfa40ac1ef491e0735c97dfccde2aaac6f16fa859f

Intelligence

File Origin
# of uploads :
1
# of downloads :
46
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/aa0f003a-f13a-40df-83a4-72484bce1c53/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9853183-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10028515-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/6950dae3e126b9ff4393bdd4/reports/2056bed8-e17d-4ba3-b918-4268a4695926/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-28T05:28:00Z UTC
Last seen:
2025-12-28T06:56:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/61f99d9d78e548745373c11e3f2cae2c7f9c800bb65f40ed9450a6feac72c1e2/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/dbeaeaee-b9b3-4867-b544-6c0e6559769f
Behavior Graph:
Download SVG
%3 guuid=c31402c1-1600-0000-7b56-6f63d10c0000 pid=3281 /usr/bin/sudo guuid=517304c3-1600-0000-7b56-6f63d50c0000 pid=3285 /tmp/sample.bin net guuid=c31402c1-1600-0000-7b56-6f63d10c0000 pid=3281->guuid=517304c3-1600-0000-7b56-6f63d50c0000 pid=3285 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=517304c3-1600-0000-7b56-6f63d50c0000 pid=3285->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=d93436c3-1600-0000-7b56-6f63d70c0000 pid=3287 /tmp/sample.bin guuid=517304c3-1600-0000-7b56-6f63d50c0000 pid=3285->guuid=d93436c3-1600-0000-7b56-6f63d70c0000 pid=3287 clone guuid=2e2a4cc3-1600-0000-7b56-6f63d90c0000 pid=3289 /tmp/sample.bin guuid=517304c3-1600-0000-7b56-6f63d50c0000 pid=3285->guuid=2e2a4cc3-1600-0000-7b56-6f63d90c0000 pid=3289 clone guuid=716a00ff-1600-0000-7b56-6f63f90c0000 pid=3321 /tmp/sample.bin delete-file guuid=517304c3-1600-0000-7b56-6f63d50c0000 pid=3285->guuid=716a00ff-1600-0000-7b56-6f63f90c0000 pid=3321 clone guuid=319ddc2b-1800-0000-7b56-6f63020d0000 pid=3330 /tmp/sample.bin guuid=517304c3-1600-0000-7b56-6f63d50c0000 pid=3285->guuid=319ddc2b-1800-0000-7b56-6f63020d0000 pid=3330 clone guuid=d7659a67-1800-0000-7b56-6f63040d0000 pid=3332 /tmp/sample.bin guuid=517304c3-1600-0000-7b56-6f63d50c0000 pid=3285->guuid=d7659a67-1800-0000-7b56-6f63040d0000 pid=3332 clone guuid=1c4f4ea3-1800-0000-7b56-6f63050d0000 pid=3333 /tmp/sample.bin guuid=517304c3-1600-0000-7b56-6f63d50c0000 pid=3285->guuid=1c4f4ea3-1800-0000-7b56-6f63050d0000 pid=3333 clone guuid=6a4f58a3-1800-0000-7b56-6f63060d0000 pid=3334 /tmp/sample.bin dns net send-data zombie guuid=517304c3-1600-0000-7b56-6f63d50c0000 pid=3285->guuid=6a4f58a3-1800-0000-7b56-6f63060d0000 pid=3334 clone guuid=a8fd41c3-1600-0000-7b56-6f63d80c0000 pid=3288 /tmp/sample.bin guuid=d93436c3-1600-0000-7b56-6f63d70c0000 pid=3287->guuid=a8fd41c3-1600-0000-7b56-6f63d80c0000 pid=3288 clone guuid=24530fff-1600-0000-7b56-6f63fa0c0000 pid=3322 /tmp/sample.bin guuid=716a00ff-1600-0000-7b56-6f63f90c0000 pid=3321->guuid=24530fff-1600-0000-7b56-6f63fa0c0000 pid=3322 clone guuid=35fcb63a-1700-0000-7b56-6f63fc0c0000 pid=3324 /tmp/sample.bin guuid=716a00ff-1600-0000-7b56-6f63f90c0000 pid=3321->guuid=35fcb63a-1700-0000-7b56-6f63fc0c0000 pid=3324 clone guuid=ce596676-1700-0000-7b56-6f63ff0c0000 pid=3327 /tmp/sample.bin guuid=716a00ff-1600-0000-7b56-6f63f90c0000 pid=3321->guuid=ce596676-1700-0000-7b56-6f63ff0c0000 pid=3327 clone guuid=b49c7176-1700-0000-7b56-6f63000d0000 pid=3328 /tmp/sample.bin dns net send-data zombie guuid=716a00ff-1600-0000-7b56-6f63f90c0000 pid=3321->guuid=b49c7176-1700-0000-7b56-6f63000d0000 pid=3328 clone 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=b49c7176-1700-0000-7b56-6f63000d0000 pid=3328->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 342B b56683c0-9fd4-5038-b0fa-d85f3c9a4b9f bytenet.serveftp.com:3778 guuid=b49c7176-1700-0000-7b56-6f63000d0000 pid=3328->b56683c0-9fd4-5038-b0fa-d85f3c9a4b9f con guuid=6a4f58a3-1800-0000-7b56-6f63060d0000 pid=3334->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 304B guuid=6a4f58a3-1800-0000-7b56-6f63060d0000 pid=3334->b56683c0-9fd4-5038-b0fa-d85f3c9a4b9f con
Gathering data
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1840703
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Reads system files that contain records of logged in users
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840703 Sample: ub8ehJSePAfc9FYqZIT6.x86.elf Startdate: 28/12/2025 Architecture: LINUX Score: 100 146 bytenet.serveftp.com 45.83.207.105, 32768, 32770, 3778 CLOUVIDERClouvider-GlobalASNGB Netherlands 2->146 148 Found malware configuration 2->148 150 Malicious sample detected (through community Yara rule) 2->150 152 Antivirus / Scanner detection for submitted sample 2->152 154 3 other signatures 2->154 15 systemd gdm3 2->15         started        17 ub8ehJSePAfc9FYqZIT6.x86.elf 2->17         started        19 systemd gpu-manager 2->19         started        21 30 other processes 2->21 signatures3 process4 file5 25 gdm3 gdm-session-worker 15->25         started        27 gdm3 gdm-session-worker 15->27         started        35 3 other processes 15->35 29 ub8ehJSePAfc9FYqZIT6.x86.elf 17->29         started        31 ub8ehJSePAfc9FYqZIT6.x86.elf 17->31         started        37 5 other processes 17->37 39 8 other processes 19->39 144 /var/log/wtmp, data 21->144 dropped 156 Sample reads /proc/mounts (often used for finding a writable filesystem) 21->156 158 Reads system files that contain records of logged in users 21->158 33 accounts-daemon language-validate 21->33         started        41 4 other processes 21->41 signatures6 process7 process8 43 gdm-session-worker gdm-x-session 25->43         started        45 gdm-session-worker gdm-wayland-session 27->45         started        47 ub8ehJSePAfc9FYqZIT6.x86.elf 29->47         started        58 4 other processes 31->58 50 language-validate language-options 33->50         started        52 sh grep 39->52         started        54 sh grep 39->54         started        56 sh grep 39->56         started        60 5 other processes 39->60 signatures9 62 gdm-x-session dbus-run-session 43->62         started        64 gdm-x-session Xorg Xorg.wrap Xorg 43->64         started        66 gdm-x-session Default 43->66         started        68 gdm-wayland-session dbus-run-session 45->68         started        168 Sample tries to kill a massive number of system processes 47->168 170 Sample tries to kill multiple processes (SIGKILL) 47->170 70 language-options sh 50->70         started        process10 process11 72 dbus-run-session dbus-daemon 62->72         started        75 dbus-run-session gnome-session gnome-session-binary 1 62->75         started        77 Xorg sh 64->77         started        79 Xorg sh 64->79         started        81 dbus-run-session dbus-daemon 68->81         started        83 dbus-run-session gnome-session gnome-session-binary 1 68->83         started        85 sh locale 70->85         started        87 sh grep 70->87         started        signatures12 160 Sample tries to kill multiple processes (SIGKILL) 72->160 162 Sample reads /proc/mounts (often used for finding a writable filesystem) 72->162 89 dbus-daemon 72->89         started        91 dbus-daemon 72->91         started        100 9 other processes 72->100 93 gnome-session-binary sh gnome-shell 75->93         started        102 18 other processes 75->102 96 sh xkbcomp 77->96         started        98 sh xkbcomp 79->98         started        104 7 other processes 81->104 106 2 other processes 83->106 process13 signatures14 108 dbus-daemon at-spi-bus-launcher 89->108         started        110 dbus-daemon gjs 91->110         started        164 Sample reads /proc/mounts (often used for finding a writable filesystem) 93->164 113 gnome-shell ibus-daemon 93->113         started        123 9 other processes 100->123 115 gsd-print-notifications 102->115         started        117 gnome-session-check-accelerated gnome-session-check-accelerated-gl-helper 102->117         started        119 gnome-session-check-accelerated gnome-session-check-accelerated-gles-helper 102->119         started        121 dbus-daemon false 104->121         started        125 6 other processes 104->125 process15 signatures16 127 at-spi-bus-launcher dbus-daemon 108->127         started        166 Sample reads /proc/mounts (often used for finding a writable filesystem) 110->166 130 ibus-daemon 113->130         started        132 ibus-daemon ibus-memconf 113->132         started        134 ibus-daemon ibus-engine-simple 113->134         started        136 gsd-print-notifications gsd-printer 115->136         started        process17 signatures18 172 Sample tries to kill multiple processes (SIGKILL) 127->172 174 Sample reads /proc/mounts (often used for finding a writable filesystem) 127->174 138 dbus-daemon 127->138         started        140 ibus-daemon ibus-x11 130->140         started        process19 process20 142 dbus-daemon at-spi2-registryd 138->142         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/61f99d9d78e548745373c11e3f2cae2c7f9c800bb65f40ed9450a6feac72c1e2
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/61f99d9d78e548745373c11e3f2cae2c7f9c800bb65f40ed9450a6feac72c1e2/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-28 07:23:14 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mh4z3hly4vehiu3tyepd6lfofr7zzaalwzpub3mukctp5ldsyhra._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery linux
Link:
https://tria.ge/reports/251228-h7xqvasrbx/
Behaviour
Reads runtime system information
Writes file to tmp directory
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/d37901c3-3e4a-492d-bfd3-eba7f2d26fc4
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/61f99d9d78e548745373c11e3f2cae2c7f9c800bb65f40ed9450a6feac72c1e2

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 26870f8d2b37c7151b2df5cfa40ac1ef491e0735c97dfccde2aaac6f16fa859f

Mirai

elf 61f99d9d78e548745373c11e3f2cae2c7f9c800bb65f40ed9450a6feac72c1e2

(this sample)

  
Dropped by
SHA256 26870f8d2b37c7151b2df5cfa40ac1ef491e0735c97dfccde2aaac6f16fa859f
  
URLhaus
https://urlhaus.abuse.ch/url/3744941/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 8cf5a1e3c3f4bc86c037ecc61e0ac6fc

Comments