MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 258fd99c5bd70734c65e3afd4e01f88ec3a47d6b4f83d080618c339b3d4e860b. 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: 14


Intelligence 14 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 258fd99c5bd70734c65e3afd4e01f88ec3a47d6b4f83d080618c339b3d4e860b
SHA3-384 hash: 8abfd189089546328d6336ec70c1b6eb6fed90fd47b84595c4a89e525611f3808dcc4397d82035336ff39711454af45a
SHA1 hash: 73dca0d02c385ab5b98dcaf2d903957f2f96eab1
MD5 hash: 2bd787daf4d4ddc9e533264d8c6222f7
humanhash: friend-iowa-victor-robin
File name:ub8ehJSePAfc9FYqZIT6.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:139'172 bytes
First seen:2026-01-10 19:05:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:dR7LzNOorigOXwwSicnUQKo2e9BhO+t3Vq4hMLwPZE:dRLROorigOXw9iFQP84hSw
TLSH T139D36B80FA87C5F2D84708305067F73FCB31E9A890B5DA5DEF949F31CA63A02961669D
telfhash t1ac5126faba760de467d0a803d64e2b21fd4da77b246032b705f31975327564250bbc39
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 14ce765e1552764cb30665f85c60e066f76477557dde8cfeea9033b0b6a42870
File size (compressed) :56'148 bytes
File size (de-compressed) :139'172 bytes
Format:linux/i386
Packed file: 14ce765e1552764cb30665f85c60e066f76477557dde8cfeea9033b0b6a42870

Intelligence

File Origin
# of uploads :
1
# of downloads :
58
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/be6277c5-8d24-4e99-8400-0483997a8cbc/
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-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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Creating a file in the %temp% directory
Runs as daemon
Receives data from a server
Kills processes
Locks files
Deleting a recently created file
Sends data to a server
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/6962a33507ef5fa68e83da7c/reports/70992ec4-e1e3-4149-9554-63c9587fa8ed/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-10T14:55:00Z UTC
Last seen:
2026-01-12T06:06:00Z 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/258fd99c5bd70734c65e3afd4e01f88ec3a47d6b4f83d080618c339b3d4e860b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/52c2893f-762f-4155-bfe4-bd0c9aef0042
Behavior Graph:
Download SVG
%3 guuid=1c33b6da-1700-0000-f908-0930bd0c0000 pid=3261 /usr/bin/sudo guuid=e9badfdc-1700-0000-f908-0930c50c0000 pid=3269 /tmp/sample.bin net guuid=1c33b6da-1700-0000-f908-0930bd0c0000 pid=3261->guuid=e9badfdc-1700-0000-f908-0930c50c0000 pid=3269 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=e9badfdc-1700-0000-f908-0930c50c0000 pid=3269->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=1a4733dd-1700-0000-f908-0930c70c0000 pid=3271 /tmp/sample.bin guuid=e9badfdc-1700-0000-f908-0930c50c0000 pid=3269->guuid=1a4733dd-1700-0000-f908-0930c70c0000 pid=3271 clone guuid=50e14cdd-1700-0000-f908-0930c90c0000 pid=3273 /tmp/sample.bin guuid=e9badfdc-1700-0000-f908-0930c50c0000 pid=3269->guuid=50e14cdd-1700-0000-f908-0930c90c0000 pid=3273 clone guuid=46f50419-1800-0000-f908-0930ee0c0000 pid=3310 /tmp/sample.bin delete-file guuid=e9badfdc-1700-0000-f908-0930c50c0000 pid=3269->guuid=46f50419-1800-0000-f908-0930ee0c0000 pid=3310 clone guuid=1e886a46-1900-0000-f908-0930ff0c0000 pid=3327 /tmp/sample.bin guuid=e9badfdc-1700-0000-f908-0930c50c0000 pid=3269->guuid=1e886a46-1900-0000-f908-0930ff0c0000 pid=3327 clone guuid=5cd82382-1900-0000-f908-0930010d0000 pid=3329 /tmp/sample.bin guuid=e9badfdc-1700-0000-f908-0930c50c0000 pid=3269->guuid=5cd82382-1900-0000-f908-0930010d0000 pid=3329 clone guuid=b4b6cfbd-1900-0000-f908-0930020d0000 pid=3330 /tmp/sample.bin guuid=e9badfdc-1700-0000-f908-0930c50c0000 pid=3269->guuid=b4b6cfbd-1900-0000-f908-0930020d0000 pid=3330 clone guuid=e96cd6bd-1900-0000-f908-0930030d0000 pid=3331 /tmp/sample.bin dns net send-data zombie guuid=e9badfdc-1700-0000-f908-0930c50c0000 pid=3269->guuid=e96cd6bd-1900-0000-f908-0930030d0000 pid=3331 clone guuid=69c33bdd-1700-0000-f908-0930c80c0000 pid=3272 /tmp/sample.bin guuid=1a4733dd-1700-0000-f908-0930c70c0000 pid=3271->guuid=69c33bdd-1700-0000-f908-0930c80c0000 pid=3272 clone guuid=5fa41319-1800-0000-f908-0930ef0c0000 pid=3311 /tmp/sample.bin guuid=46f50419-1800-0000-f908-0930ee0c0000 pid=3310->guuid=5fa41319-1800-0000-f908-0930ef0c0000 pid=3311 clone guuid=d39fc654-1800-0000-f908-0930f10c0000 pid=3313 /tmp/sample.bin guuid=46f50419-1800-0000-f908-0930ee0c0000 pid=3310->guuid=d39fc654-1800-0000-f908-0930f10c0000 pid=3313 clone guuid=a59e7890-1800-0000-f908-0930fc0c0000 pid=3324 /tmp/sample.bin guuid=46f50419-1800-0000-f908-0930ee0c0000 pid=3310->guuid=a59e7890-1800-0000-f908-0930fc0c0000 pid=3324 clone guuid=9c867e90-1800-0000-f908-0930fd0c0000 pid=3325 /tmp/sample.bin dns net send-data zombie guuid=46f50419-1800-0000-f908-0930ee0c0000 pid=3310->guuid=9c867e90-1800-0000-f908-0930fd0c0000 pid=3325 clone guuid=9c867e90-1800-0000-f908-0930fd0c0000 pid=3325->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=9c867e90-1800-0000-f908-0930fd0c0000 pid=3325->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 1634B 3ec2bfaf-8e71-5eeb-b8ce-6ffe78958b80 weifang.serveftp.com:3778 guuid=9c867e90-1800-0000-f908-0930fd0c0000 pid=3325->3ec2bfaf-8e71-5eeb-b8ce-6ffe78958b80 send: 215B guuid=e96cd6bd-1900-0000-f908-0930030d0000 pid=3331->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=e96cd6bd-1900-0000-f908-0930030d0000 pid=3331->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 1710B guuid=e96cd6bd-1900-0000-f908-0930030d0000 pid=3331->3ec2bfaf-8e71-5eeb-b8ce-6ffe78958b80 send: 225B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/baea7b6e-4b51-4643-bc51-e4c5893a8fda
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1848055
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: 1848055 Sample: ub8ehJSePAfc9FYqZIT6.i686.elf Startdate: 10/01/2026 Architecture: LINUX Score: 100 143 weifang.serveftp.com 45.83.207.173, 3778, 52472, 52474 CLOUVIDERClouvider-GlobalASNGB Netherlands 2->143 145 34.254.182.186, 443, 59362 AMAZON-02US United States 2->145 147 daisy.ubuntu.com 2->147 149 Found malware configuration 2->149 151 Malicious sample detected (through community Yara rule) 2->151 153 Antivirus / Scanner detection for submitted sample 2->153 155 3 other signatures 2->155 15 systemd gdm3 2->15         started        17 ub8ehJSePAfc9FYqZIT6.i686.elf 2->17         started        19 systemd gpu-manager 2->19         started        21 32 other processes 2->21 signatures3 process4 signatures5 24 gdm3 gdm-session-worker 15->24         started        26 gdm3 gdm-session-worker 15->26         started        34 3 other processes 15->34 28 ub8ehJSePAfc9FYqZIT6.i686.elf 17->28         started        30 ub8ehJSePAfc9FYqZIT6.i686.elf 17->30         started        36 5 other processes 17->36 38 8 other processes 19->38 157 Sample reads /proc/mounts (often used for finding a writable filesystem) 21->157 159 Reads system files that contain records of logged in users 21->159 32 accounts-daemon language-validate 21->32         started        40 4 other processes 21->40 process6 process7 42 gdm-session-worker gdm-x-session 24->42         started        44 gdm-session-worker gdm-wayland-session 26->44         started        46 ub8ehJSePAfc9FYqZIT6.i686.elf 28->46         started        57 4 other processes 30->57 49 language-validate language-options 32->49         started        51 sh grep 38->51         started        53 sh grep 38->53         started        55 sh grep 38->55         started        59 5 other processes 38->59 signatures8 61 gdm-x-session dbus-run-session 42->61         started        63 gdm-x-session Xorg Xorg.wrap Xorg 42->63         started        65 gdm-x-session Default 42->65         started        67 gdm-wayland-session dbus-run-session 44->67         started        169 Sample tries to kill a massive number of system processes 46->169 171 Sample tries to kill multiple processes (SIGKILL) 46->171 69 language-options sh 49->69         started        process9 process10 71 dbus-run-session dbus-daemon 61->71         started        74 dbus-run-session gnome-session gnome-session-binary 1 61->74         started        76 Xorg sh 63->76         started        78 Xorg sh 63->78         started        80 dbus-run-session dbus-daemon 67->80         started        82 dbus-run-session gnome-session gnome-session-binary 1 67->82         started        84 sh locale 69->84         started        86 sh grep 69->86         started        signatures11 161 Sample tries to kill multiple processes (SIGKILL) 71->161 163 Sample reads /proc/mounts (often used for finding a writable filesystem) 71->163 88 dbus-daemon 71->88         started        90 dbus-daemon 71->90         started        99 9 other processes 71->99 92 gnome-session-binary sh gnome-shell 74->92         started        101 18 other processes 74->101 95 sh xkbcomp 76->95         started        97 sh xkbcomp 78->97         started        103 7 other processes 80->103 105 2 other processes 82->105 process12 signatures13 107 dbus-daemon at-spi-bus-launcher 88->107         started        109 dbus-daemon gjs 90->109         started        165 Sample reads /proc/mounts (often used for finding a writable filesystem) 92->165 112 gnome-shell ibus-daemon 92->112         started        122 9 other processes 99->122 114 gsd-print-notifications 101->114         started        116 gnome-session-check-accelerated gnome-session-check-accelerated-gl-helper 101->116         started        118 gnome-session-check-accelerated gnome-session-check-accelerated-gles-helper 101->118         started        120 dbus-daemon false 103->120         started        124 6 other processes 103->124 process14 signatures15 126 at-spi-bus-launcher dbus-daemon 107->126         started        167 Sample reads /proc/mounts (often used for finding a writable filesystem) 109->167 129 ibus-daemon 112->129         started        131 ibus-daemon ibus-memconf 112->131         started        133 ibus-daemon ibus-engine-simple 112->133         started        135 gsd-print-notifications gsd-printer 114->135         started        process16 signatures17 173 Sample tries to kill multiple processes (SIGKILL) 126->173 175 Sample reads /proc/mounts (often used for finding a writable filesystem) 126->175 137 dbus-daemon 126->137         started        139 ibus-daemon ibus-x11 129->139         started        process18 process19 141 dbus-daemon at-spi2-registryd 137->141         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/258fd99c5bd70734c65e3afd4e01f88ec3a47d6b4f83d080618c339b3d4e860b
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/258fd99c5bd70734c65e3afd4e01f88ec3a47d6b4f83d080618c339b3d4e860b/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/258fd99c5bd70734c65e3afd4e01f88ec3a47d6b4f83d080618c339b3d4e860b
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-10 19:06:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ewh5thc324dtjrs6hl6u4apyr3b2i7llj6b5badbrqzzwpkoqyfq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/260110-xsap4abt7d/
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:
trojan mirai gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Mirai_268aac0b Linux_Trojan_Mirai_0cb1699c Linux_Trojan_Mirai_70ef58f1 Linux_Trojan_Mirai_485c4b13 Linux_Trojan_Mirai_7d05725e Linux_Trojan_Mirai_2e3f67a9 Linux_Trojan_Mirai_0d73971c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/134dd9ca-dc92-461a-9f90-27a9a983557e
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/258fd99c5bd70734c65e3afd4e01f88ec3a47d6b4f83d080618c339b3d4e860b

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_0cb1699c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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 14ce765e1552764cb30665f85c60e066f76477557dde8cfeea9033b0b6a42870

Mirai

elf 258fd99c5bd70734c65e3afd4e01f88ec3a47d6b4f83d080618c339b3d4e860b

(this sample)

  
Dropped by
SHA256 14ce765e1552764cb30665f85c60e066f76477557dde8cfeea9033b0b6a42870
  
URLhaus
https://urlhaus.abuse.ch/url/3753590/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 7e45ea433b9cebe17126ae843aa9d2bf

Comments