MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1ef87553f8440092cfb4dc1985066c2b75b85dd5f9fbc60b491cfd84c45db49. 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: 7


Intelligence 7 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1ef87553f8440092cfb4dc1985066c2b75b85dd5f9fbc60b491cfd84c45db49
SHA3-384 hash: 1e3f76a63e76a1c64caa577b19e5e73c535b0a3ffa86fafb7648b5f55b21d55c963c4ae21d27588430ebbbf9e2442082
SHA1 hash: 029d89bc79807fe69fc57f71fefa39d6d88f5672
MD5 hash: c4fdd150970e5baab07e1f714d9995b7
humanhash: autumn-earth-oscar-oven
File name:bot.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:837'072 bytes
First seen:2026-02-07 07:38:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 24576:wPkIh0OJnxowkGbxZL9B6OolwJTacm9pgVclmlwpY:pIgchoQm9eVclm9
TLSH T18C054A4AFC849F66C6D0227AFA9F429CB3274BE5D7D671079D2816343BC791A4F3A201
telfhash t1442152384724a0000762ee68e8ee5762911bcf278e49ed37ca774d5c10044dcea2bc5f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
41
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Trojan.Mirai-10058922-0
Create hunting rule

Unix.Trojan.Mirai-10059005-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Unix.Trojan.Mirai-10059216-0
Create hunting rule

Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
gafgyt gcc masquerade mirai rust
Link:
https://www.filescan.io/uploads/6986ec21930564ff3c90bfe9/reports/5c91ddc1-83b5-4bf2-94f0-11b9d4853e2f/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-02-07T04:52:00Z UTC
Last seen:
2026-02-07T15:32:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/c1ef87553f8440092cfb4dc1985066c2b75b85dd5f9fbc60b491cfd84c45db49/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3cace76d-0792-47fc-950e-ae3ddb72283e
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1865136
Signature
Antivirus / Scanner detection for submitted sample
Drops files in suspicious directories
Multi AV Scanner detection for submitted file
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1865136 Sample: bot.arm7.elf Startdate: 07/02/2026 Architecture: LINUX Score: 68 99 83.142.209.229, 19191, 44776, 44778 PL-METROINTERNETPL Ukraine 2->99 101 109.202.202.202, 80 INIT7CH Switzerland 2->101 103 3 other IPs or domains 2->103 105 Antivirus / Scanner detection for submitted sample 2->105 107 Multi AV Scanner detection for submitted file 2->107 11 dash rm bot.arm7.elf 2->11         started        13 dash rm 2->13         started        15 dash head 2->15         started        17 7 other processes 2->17 signatures3 process4 process5 19 bot.arm7.elf 11->19         started        21 bot.arm7.elf 11->21         started        23 bot.arm7.elf 11->23         started        25 54 other processes 11->25 process6 27 bot.arm7.elf 19->27         started        29 bot.arm7.elf 21->29         started        31 bot.arm7.elf 23->31         started        33 bot.arm7.elf 25->33         started        35 bot.arm7.elf 25->35         started        37 bot.arm7.elf 25->37         started        39 51 other processes 25->39 process7 41 bot.arm7.elf 27->41         started        45 bot.arm7.elf 29->45         started        47 bot.arm7.elf 31->47         started        49 bot.arm7.elf 33->49         started        51 bot.arm7.elf 35->51         started        53 bot.arm7.elf 37->53         started        55 bot.arm7.elf 39->55         started        57 bot.arm7.elf 39->57         started        59 48 other processes 39->59 file8 97 /etc/init.d/sysd, POSIX 41->97 dropped 109 Sample tries to set files in /etc globally writable 41->109 111 Drops files in suspicious directories 41->111 113 Sample tries to persist itself using System V runlevels 41->113 61 2 other processes 41->61 63 2 other processes 45->63 65 2 other processes 47->65 67 2 other processes 49->67 69 2 other processes 51->69 71 2 other processes 53->71 73 2 other processes 55->73 75 2 other processes 57->75 77 94 other processes 59->77 signatures9 process10 process11 79 sh cp 63->79         started        81 sh cp 65->81         started        83 sh cp 67->83         started        85 sh cp 69->85         started        87 sh cp 71->87         started        89 sh cp 73->89         started        91 sh cp 75->91         started        93 sh cp 77->93         started        95 46 other processes 77->95
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c1ef87553f8440092cfb4dc1985066c2b75b85dd5f9fbc60b491cfd84c45db49
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c1ef87553f8440092cfb4dc1985066c2b75b85dd5f9fbc60b491cfd84c45db49/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-07 07:39:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yhxyovj7qraaslh3jxazqudgyk3vxbo5l6p3yyfushh5qtcf3neq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery persistence
Link:
https://tria.ge/reports/260207-jg2gsag13f/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Deletes Audit logs
Deletes itself
Deletes journal logs
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/c1ef87553f8440092cfb4dc1985066c2b75b85dd5f9fbc60b491cfd84c45db49

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:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
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 c1ef87553f8440092cfb4dc1985066c2b75b85dd5f9fbc60b491cfd84c45db49

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3773492/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3773600/
  
URLhaus
https://urlhaus.abuse.ch/url/3773601/
  
URLhaus
https://urlhaus.abuse.ch/url/3773602/
  
URLhaus
https://urlhaus.abuse.ch/url/3773857/
  
URLhaus
https://urlhaus.abuse.ch/url/3773862/
  
URLhaus
https://urlhaus.abuse.ch/url/3773864/
  
URLhaus
https://urlhaus.abuse.ch/url/3773865/

Comments