MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9922ed8521e186ce9fe038658d57d07df71bbcebc062d2451c78af0f659c97c. 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: 10


Intelligence 10 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c9922ed8521e186ce9fe038658d57d07df71bbcebc062d2451c78af0f659c97c
SHA3-384 hash: ec63e5023977d309028786952c1b9bab7ccad7caa8c99be1d7a9d5c866a71dba9c325636f4f473880742809a5449f6f8
SHA1 hash: fd396b92e14c61dbbe482aa1ca6fc71e0f725d4f
MD5 hash: 29a0f12a352b1ad968e26e6c6c03a173
humanhash: muppet-ink-item-winner
File name:x86_32.urbotnetisass
Download: download sample
Signature Mirai
Create hunting rule
File size:219'532 bytes
First seen:2025-09-21 03:50:17 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:LehO5nJWi8oJeP93kDAESTbD9XwGvmeBHbKcdZkL3S3NMYO1XCTSRA:LeI5nJWi8oJeP93kDAESTH9XwGeeBHbX
TLSH T1D8247E43E743C5F4F92209B011AB9F361A32AD361036EA96DBE4E931FC56601E25E77C
telfhash t1848194b73e756aecb3f09906834a6722da3ad067292436f50af131c472f2d1193b6d71
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
40
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30645.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

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

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Mirai-9951087-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sets a written file as executable
Opens a port
Deleting a recently created file
Kills processes
Removes directories from a temporary directory
Creating a file in the %temp% subdirectories
Creating a file in the %temp% directory
Sends data to a server
Deletes a file
Creates directories in a temporary directory
Runs as daemon
Connection attempt
Receives data from a server
Creating a file
Collects information on the network activity
Mounts file systems
Substitutes an application name
Deletes a system binary file
Creates or modifies files in /cron to set up autorun
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-vm
Link:
https://www.filescan.io/uploads/68cf7605254431b688d74627/reports/8ccc7364-ce88-4c14-85bd-398a458480f9/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
110
Number of processes launched:
9
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/c9922ed8521e186ce9fe038658d57d07df71bbcebc062d2451c78af0f659c97c
Behaviour
Anti-VM
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-21T01:38:00Z UTC
Last seen:
2025-09-21T01:38:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c9922ed8521e186ce9fe038658d57d07df71bbcebc062d2451c78af0f659c97c/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/9c4f2865-b445-4259-b198-3903ce4290c6
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1781395
Signature
Malicious sample detected (through community Yara rule)
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Writes identical ELF files to multiple locations
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1781395 Sample: x86_32.urbotnetisass.elf Startdate: 21/09/2025 Architecture: LINUX Score: 100 62 94.154.35.153, 43212 SELECTELRU Ukraine 2->62 64 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 Yara detected Gafgyt 2->70 72 Yara detected Mirai 2->72 11 x86_32.urbotnetisass.elf 2->11         started        15 udisksd dumpe2fs 2->15         started        17 udisksd dumpe2fs 2->17         started        19 496 other processes 2->19 signatures3 process4 file5 50 /root/.bashrc, ASCII 11->50 dropped 52 /etc/rc.local, POSIX 11->52 dropped 54 /etc/profile, ASCII 11->54 dropped 56 /etc/crontab, ASCII 11->56 dropped 76 Sample tries to persist itself using /etc/profile 11->76 78 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 11->78 80 Sample tries to persist itself using cron 11->80 82 Sample tries to persist itself using System V runlevels 11->82 21 x86_32.urbotnetisass.elf 11->21         started        signatures6 process7 file8 42 /memfd:/usr/lib/librt.so.1 (deleted), ELF 21->42 dropped 44 /memfd:/usr/lib/libpthread.so.0 (deleted), ELF 21->44 dropped 46 /memfd:/usr/lib/libm.so.6 (deleted), ELF 21->46 dropped 48 41 other malicious files 21->48 dropped 74 Writes identical ELF files to multiple locations 21->74 25 x86_32.urbotnetisass.elf 21->25         started        27 x86_32.urbotnetisass.elf 21->27         started        29 x86_32.urbotnetisass.elf 21->29         started        signatures9 process10 process11 31 x86_32.urbotnetisass.elf 25->31         started        34 x86_32.urbotnetisass.elf 27->34         started        36 x86_32.urbotnetisass.elf 29->36         started        file12 58 /tmp/.taunt, POSIX 31->58 dropped 60 /tmp/.mock, POSIX 31->60 dropped 38 x86_32.urbotnetisass.elf 31->38         started        process13 process14 40 x86_32.urbotnetisass.elf 38->40         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c9922ed8521e186ce9fe038658d57d07df71bbcebc062d2451c78af0f659c97c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c9922ed8521e186ce9fe038658d57d07df71bbcebc062d2451c78af0f659c97c/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-21 03:51:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zgjc5wcsdymgz2p6aodfrvl5a7pxdo6oxqdc2jcry6fpb5szzf6a._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/250921-ed66mstky9/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
Modifies Bash startup script
Reads process memory
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates active TCP sockets
Modifies rc script
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Unknown
Tags:
trojan mirai gafgyt
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b
Link:
https://app.threat.zone/submission/d9e68ab3-9b1b-4c69-b01f-496c8017c7e6
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/c9922ed8521e186ce9fe038658d57d07df71bbcebc062d2451c78af0f659c97c

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
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_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:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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 c9922ed8521e186ce9fe038658d57d07df71bbcebc062d2451c78af0f659c97c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3618255/
  
Delivery method
Distributed via web download

Comments