MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89241fa9722f1c8dd2e197c843818d538095ed34119e40dc64636c4a0c47e8aa. 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: 8


Intelligence 8 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 89241fa9722f1c8dd2e197c843818d538095ed34119e40dc64636c4a0c47e8aa
SHA3-384 hash: 2badb5c85c26dc3668d1a77727ea33635704812f06c4b2f5170ee116987231981c6722aefc2cdf6cd5bdafc7c8070753
SHA1 hash: 181365d42b728a9d8853b65cae94d25bb548e3cb
MD5 hash: badad040f522f9702b34d8bfe12dcaef
humanhash: sweet-kentucky-three-cola
File name:herios.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:188'328 bytes
First seen:2026-01-28 20:29:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:8clH5Wms117VVs1EIgq9ttYfAcUU1T1aJ5/ZcX7jea+H2btTVxAk2EObG0:vt5h6Hs9S5t5xr9+4TAk2EObG0
TLSH T1DB047C1BB5C1A8FDC4C5D1759B8FE636D9B2F4092130716F13D8AE262E8CE216B6D390
telfhash t1f161bd702ee17a8821d78b5e730eeaaef87304510dd1b4e59f6779c9de437c80d92092
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 7f9543ae8d9f3527b475035a977c762a19277d94392970166e32edf2e003a34c
File size (compressed) :66'968 bytes
File size (de-compressed) :188'328 bytes
Format:linux/amd64
Packed file: 7f9543ae8d9f3527b475035a977c762a19277d94392970166e32edf2e003a34c

Intelligence

File Origin
# of uploads :
1
# of downloads :
45
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Dropper.Mirai-7540662-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes access rights for a written file
Collects information on the OS
Runs as daemon
Kills processes
Launching a process
Creating a process from a recently created file
Creating a file
Collects information on the CPU
Creating a file in the %temp% directory
Deleting a recently created file
Manages services
Changes access rights for a file
Sets a written file as executable
Changes owner for a written file
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Deleting of the original file
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
43
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/89241fa9722f1c8dd2e197c843818d538095ed34119e40dc64636c4a0c47e8aa
Behaviour
Anti-VM
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/943ca2dd-a0c7-457a-b87c-4661e0981752
Behavior Graph:
Download SVG
%3 guuid=014dd8c3-1900-0000-59fe-eaf5d00a0000 pid=2768 /usr/bin/sudo guuid=919c0cc6-1900-0000-59fe-eaf5d50a0000 pid=2773 /tmp/sample.bin guuid=014dd8c3-1900-0000-59fe-eaf5d00a0000 pid=2768->guuid=919c0cc6-1900-0000-59fe-eaf5d50a0000 pid=2773 execve guuid=196b27c6-1900-0000-59fe-eaf5d60a0000 pid=2774 /usr/bin/dash guuid=919c0cc6-1900-0000-59fe-eaf5d50a0000 pid=2773->guuid=196b27c6-1900-0000-59fe-eaf5d60a0000 pid=2774 execve guuid=8302bdc6-1900-0000-59fe-eaf5d80a0000 pid=2776 /usr/bin/pgrep guuid=196b27c6-1900-0000-59fe-eaf5d60a0000 pid=2774->guuid=8302bdc6-1900-0000-59fe-eaf5d80a0000 pid=2776 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d76795a5-d308-4928-94dc-697f4cdd3929
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1859398
Signature
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Protects files from modification
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using cron
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1859398 Sample: herios.x86_64.elf Startdate: 28/01/2026 Architecture: LINUX Score: 96 73 84.54.37.191, 60930, 7080 RACKTECHRU Russian Federation 2->73 79 Found malware configuration 2->79 81 Malicious sample detected (through community Yara rule) 2->81 83 Multi AV Scanner detection for submitted file 2->83 85 2 other signatures 2->85 12 herios.x86_64.elf 2->12         started        signatures3 process4 signatures5 91 Sample deletes itself 12->91 93 Sample reads /proc/mounts (often used for finding a writable filesystem) 12->93 15 herios.x86_64.elf 12->15         started        17 herios.x86_64.elf sh 12->17         started        19 herios.x86_64.elf sh 12->19         started        21 5 other processes 12->21 process6 process7 23 herios.x86_64.elf 15->23         started        25 sh sed 17->25         started        28 sh pkill 17->28         started        30 sh chattr 19->30         started        38 2 other processes 19->38 32 sh chattr 21->32         started        34 sh chattr 21->34         started        36 sh chattr 21->36         started        40 7 other processes 21->40 signatures8 42 herios.x86_64.elf sh 23->42         started        44 herios.x86_64.elf sh 23->44         started        46 herios.x86_64.elf sh 23->46         started        48 31 other processes 23->48 87 Sample tries to persist itself using cron 25->87 89 Protects files from modification 30->89 process9 process10 50 sh chattr 42->50         started        61 2 other processes 42->61 53 sh chattr 44->53         started        63 2 other processes 44->63 55 sh chattr 46->55         started        65 2 other processes 46->65 57 herios.x86_64.elf 48->57         started        59 sh chattr 48->59         started        67 88 other processes 48->67 signatures11 75 Protects files from modification 50->75 77 Sample reads /proc/mounts (often used for finding a writable filesystem) 57->77 69 herios.x86_64.elf sh 57->69         started        process12 process13 71 sh pkill 69->71         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/89241fa9722f1c8dd2e197c843818d538095ed34119e40dc64636c4a0c47e8aa
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/89241fa9722f1c8dd2e197c843818d538095ed34119e40dc64636c4a0c47e8aa/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-28 20:31:13 UTC
File Type:
ELF64 Little (Exe)
AV detection:
6 of 36 (16.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=resb7klsf4oi3uxbs7eehamnkoajl3jucgpebxdemnweudch5cva._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/260128-zag3kaby7d/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Checks CPU configuration
Reads CPU attributes
Attempts to change immutable files
Checks hardware identifiers (DMI)
Creates/modifies Cron job
Enumerates running processes
Deletes itself
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/89241fa9722f1c8dd2e197c843818d538095ed34119e40dc64636c4a0c47e8aa

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 7f9543ae8d9f3527b475035a977c762a19277d94392970166e32edf2e003a34c

Mirai

elf 89241fa9722f1c8dd2e197c843818d538095ed34119e40dc64636c4a0c47e8aa

(this sample)

  
Dropped by
SHA256 7f9543ae8d9f3527b475035a977c762a19277d94392970166e32edf2e003a34c
  
URLhaus
https://urlhaus.abuse.ch/url/3765247/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 62fc6955dab04b380ebb3f7e93ff8fe2

Comments