MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0070d43aa5cfc788145513f8e3c7254133756dda7f8363327abdd4925880fce9. 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 7 File information Comments

SHA256 hash: 0070d43aa5cfc788145513f8e3c7254133756dda7f8363327abdd4925880fce9
SHA3-384 hash: 2bfb5ee8de6f6e6911e0e10c6915a10ff2b12a8fca2656486cf97db7ce2f1b8bedda6b85d572a8f9459fe9ab22c719e5
SHA1 hash: 581c9857dd3370d9ae2035fb6f2f7af9350c3207
MD5 hash: 4f9db7ae3190a7361a9f9314317f34b3
humanhash: robin-vegan-helium-four
File name:k86m
Download: download sample
Signature Mirai
File size:118'153 bytes
First seen:2025-03-19 16:46:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:VozXHIisGFgyKB7xlBAUNFd4vm4QbZJmT:bGmyKBxl2U+vm4QbZJmT
TLSH T1A1B33BA7BC01DFB7F40A977604E30B297230BF624A535562721779AB6D372C4382BB49
telfhash t1f01100c1e0b74d683db168545cbccbb974cba9159652afa0ef488988483a4102302e8e
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
116
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
gcc lolbin remote
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
100 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Contains symbols with names commonly found in malware
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1643271 Sample: k86m.elf Startdate: 19/03/2025 Architecture: LINUX Score: 100 49 24.35.40.191, 37215, 59076, 59222 WOW-INTERNETUS United States 2->49 51 64.80.12.202, 34768, 34802, 37215 WINDSTREAMUS United States 2->51 53 99 other IPs or domains 2->53 59 Suricata IDS alerts for network traffic 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 Yara detected Mirai 2->63 65 3 other signatures 2->65 9 k86m.elf 2->9         started        signatures3 process4 process5 11 k86m.elf 9->11         started        13 k86m.elf 9->13         started        process6 15 k86m.elf 11->15         started        17 k86m.elf 11->17         started        19 k86m.elf 11->19         started        25 79 other processes 11->25 21 k86m.elf sh 13->21         started        23 k86m.elf sh 13->23         started        process7 27 k86m.elf 15->27         started        39 9 other processes 15->39 29 k86m.elf 17->29         started        41 9 other processes 17->41 31 k86m.elf 19->31         started        43 9 other processes 19->43 33 sh crontab 21->33         started        37 sh crontab 23->37         started        45 298 other processes 25->45 file8 47 /var/spool/cron/crontabs/tmp.4RJvkE, ASCII 33->47 dropped 55 Sample tries to persist itself using cron 33->55 57 Executes the "crontab" command typically for achieving persistence 33->57 signatures9
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-03-19 16:47:13 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Verdict:
Malicious
Tags:
Unix.Trojan.Gafgyt-7782058-0
YARA:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:iot_req_metachar
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Author:Elastic Security
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
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 0070d43aa5cfc788145513f8e3c7254133756dda7f8363327abdd4925880fce9

(this sample)

  
Delivery method
Distributed via web download

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