MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8e4c6f2101ca4cdc26fc7629a78d1f7122401e50f05a5a55ee700cb479c9dbb. 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: 9


Intelligence 9 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8e4c6f2101ca4cdc26fc7629a78d1f7122401e50f05a5a55ee700cb479c9dbb
SHA3-384 hash: eb811186c0a75dcb6cbd894596b96abefd89f4b7e6ed582984dcc55f4574c9142c6cbc549c8fb21065ccbcab4ddc41a4
SHA1 hash: 6217f6721f57ce02bbe47cba17db95143581f1e8
MD5 hash: abab9d0e8d1b4e97472d8e56f8e8cb95
humanhash: august-social-table-mobile
File name:csk_x86
Download: download sample
Signature Mirai
Create hunting rule
File size:116'300 bytes
First seen:2026-03-04 14:59:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:QsHSxOFHH+uO/D9QrfQ5HFSgUNqPDQIWNJVb0SCC+1blcF2VV:lSxOF+uO/KrfolfUuDBWphmC2
TLSH T159B35BC4F643D0F1E8570571183AE7365B32F4B95829EA43F7689F3EAC62901DA0AB5C
telfhash t1fc5137fb19be0ce8abd1a801c31e6f512d5dd77b156037e245b3886422abec141bac3d
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 :
57
Origin country :
DE DE
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/2b68783b-beb0-495c-9829-497f03b50b18/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9441505-0
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

Unix.Trojan.Mirai-10028515-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/69a8490d9eaae8465942ce95/reports/437830f9-4563-4ffe-9e6e-a09f912f2fc5/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/18987baa-5d5f-46b2-8d54-d1185c4ff722
Behavior Graph:
Download SVG
%3 guuid=43bbf802-1600-0000-0c41-1412ab0c0000 pid=3243 /usr/bin/sudo guuid=dcec0205-1600-0000-0c41-1412b00c0000 pid=3248 /tmp/sample.bin net guuid=43bbf802-1600-0000-0c41-1412ab0c0000 pid=3243->guuid=dcec0205-1600-0000-0c41-1412b00c0000 pid=3248 execve e22a25d0-6c98-5792-9e9c-b205c3cd098e 46.3.112.9:53 guuid=dcec0205-1600-0000-0c41-1412b00c0000 pid=3248->e22a25d0-6c98-5792-9e9c-b205c3cd098e con guuid=63be3805-1600-0000-0c41-1412b20c0000 pid=3250 /tmp/sample.bin dns net send-data zombie guuid=dcec0205-1600-0000-0c41-1412b00c0000 pid=3248->guuid=63be3805-1600-0000-0c41-1412b20c0000 pid=3250 clone guuid=63be3805-1600-0000-0c41-1412b20c0000 pid=3250->e22a25d0-6c98-5792-9e9c-b205c3cd098e con 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=63be3805-1600-0000-0c41-1412b20c0000 pid=3250->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 72B a32552dc-f87f-53af-bba4-96708551ad5f imsorrydidhejustsayhislastnameisburgur.vietnamddns.com:55555 guuid=63be3805-1600-0000-0c41-1412b20c0000 pid=3250->a32552dc-f87f-53af-bba4-96708551ad5f send: 7B guuid=88794605-1600-0000-0c41-1412b30c0000 pid=3251 /tmp/sample.bin guuid=63be3805-1600-0000-0c41-1412b20c0000 pid=3250->guuid=88794605-1600-0000-0c41-1412b30c0000 pid=3251 clone guuid=d7b34a05-1600-0000-0c41-1412b50c0000 pid=3253 /tmp/sample.bin guuid=63be3805-1600-0000-0c41-1412b20c0000 pid=3250->guuid=d7b34a05-1600-0000-0c41-1412b50c0000 pid=3253 clone guuid=ee0d5038-1600-0000-0c41-1412270d0000 pid=3367 /tmp/sample.bin guuid=88794605-1600-0000-0c41-1412b30c0000 pid=3251->guuid=ee0d5038-1600-0000-0c41-1412270d0000 pid=3367 clone guuid=15a45438-1600-0000-0c41-1412280d0000 pid=3368 /tmp/sample.bin guuid=88794605-1600-0000-0c41-1412b30c0000 pid=3251->guuid=15a45438-1600-0000-0c41-1412280d0000 pid=3368 clone guuid=3575ba8e-1800-0000-0c41-1412ba130000 pid=5050 /tmp/sample.bin guuid=88794605-1600-0000-0c41-1412b30c0000 pid=3251->guuid=3575ba8e-1800-0000-0c41-1412ba130000 pid=5050 clone guuid=91562ee6-1a00-0000-0c41-141280140000 pid=5248 /tmp/sample.bin guuid=88794605-1600-0000-0c41-1412b30c0000 pid=3251->guuid=91562ee6-1a00-0000-0c41-141280140000 pid=5248 clone guuid=6211a83c-1d00-0000-0c41-141283140000 pid=5251 /tmp/sample.bin guuid=88794605-1600-0000-0c41-1412b30c0000 pid=3251->guuid=6211a83c-1d00-0000-0c41-141283140000 pid=5251 clone guuid=b76fbf94-1f00-0000-0c41-141284140000 pid=5252 /tmp/sample.bin guuid=88794605-1600-0000-0c41-1412b30c0000 pid=3251->guuid=b76fbf94-1f00-0000-0c41-141284140000 pid=5252 clone guuid=d31701ed-2100-0000-0c41-141285140000 pid=5253 /tmp/sample.bin guuid=88794605-1600-0000-0c41-1412b30c0000 pid=3251->guuid=d31701ed-2100-0000-0c41-141285140000 pid=5253 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/377ea819-1895-4f4d-9e83-4b77a162a28c
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1878264
Signature
Antivirus / Scanner detection for submitted sample
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1878264 Sample: csk_x86.elf Startdate: 04/03/2026 Architecture: LINUX Score: 96 31 imsorrydidhejustsayhislastnameisburgur.vietnamddns.com 103.253.146.163, 43748, 55555 DIGITALOCEAN-ASNUS Singapore 2->31 33 109.202.202.202, 80 INIT7CH Switzerland 2->33 35 3 other IPs or domains 2->35 37 Suricata IDS alerts for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus / Scanner detection for submitted sample 2->41 43 3 other signatures 2->43 9 csk_x86.elf 2->9         started        11 systemd rsyslogd 2->11         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 process5 17 csk_x86.elf 9->17         started        process6 19 csk_x86.elf 17->19         started        21 csk_x86.elf 17->21         started        process7 23 csk_x86.elf 19->23         started        25 csk_x86.elf 19->25         started        27 csk_x86.elf 19->27         started        29 11 other processes 19->29
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b8e4c6f2101ca4cdc26fc7629a78d1f7122401e50f05a5a55ee700cb479c9dbb
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b8e4c6f2101ca4cdc26fc7629a78d1f7122401e50f05a5a55ee700cb479c9dbb/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-03-04 15:00:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xdsmn4qqdssm3qtpy5rju6gr64jciapfb4c2ljk644amwr44tw5q._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery linux
Link:
https://tria.ge/reports/260304-sdjx1acx51/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
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/b8e4c6f2101ca4cdc26fc7629a78d1f7122401e50f05a5a55ee700cb479c9dbb

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_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_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
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:Mal_LNX_Mirai_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
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 b8e4c6f2101ca4cdc26fc7629a78d1f7122401e50f05a5a55ee700cb479c9dbb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3788192/
  
Delivery method
Distributed via web download

Comments