MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b20ab6b5ca6c40a5d33681ea258760e05bb5ac14fa7a1ffd6ba3f5b4604a8ed4. 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: 11


Intelligence 11 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b20ab6b5ca6c40a5d33681ea258760e05bb5ac14fa7a1ffd6ba3f5b4604a8ed4
SHA3-384 hash: d819a3b88bf009a56c7cb4132218203a533cdc83cb4cd490d797e171b6326e28bd750b6df462c644e55fea6cdfbeebf3
SHA1 hash: 1e80fb66553d1fbc8277be8c5af9ec0673cd75f2
MD5 hash: e51ec9481106742538888f4063f34d71
humanhash: wisconsin-paris-don-wolfram
File name:manji.dbg
Download: download sample
Signature Mirai
Create hunting rule
File size:69'560 bytes
First seen:2026-05-10 05:05:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:jDHkHRxHBFPSWOb7PlNM5TGpXE7erdllVStmkP:vHkHvBFVObDMt8E7e7lstpP
TLSH T152631B07BA428BAFC14BC2F403F766399922BDBE0A36F1E5E3E4FD861905DD05A1D614
telfhash t1652123b639341d94e1fbea36f302f56508351e1044e27ae2c87358faeb653c708b9827
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-9.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Sends data to a server
Collects information on the CPU
Creating a file
DNS request
Connection attempt
Opens a port
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc masquerade
Link:
https://www.filescan.io/uploads/6a00126e2fcb905ec28b421c/reports/e736d7d7-e0c1-4963-8870-c7cc27383194/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
1
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b20ab6b5ca6c40a5d33681ea258760e05bb5ac14fa7a1ffd6ba3f5b4604a8ed4
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-05-10T02:32:00Z UTC
Last seen:
2026-05-11T20:02:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/b20ab6b5ca6c40a5d33681ea258760e05bb5ac14fa7a1ffd6ba3f5b4604a8ed4/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/42e79858-a1ce-4d2e-81f8-be57bbf357f7
Behavior Graph:
Download SVG
%3 guuid=386cc72e-1a00-0000-86ed-874bc5090000 pid=2501 /usr/bin/sudo guuid=59ff5431-1a00-0000-86ed-874bc9090000 pid=2505 /tmp/sample.bin dns net send-data write-file guuid=386cc72e-1a00-0000-86ed-874bc5090000 pid=2501->guuid=59ff5431-1a00-0000-86ed-874bc9090000 pid=2505 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=59ff5431-1a00-0000-86ed-874bc9090000 pid=2505->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 56B 2ac2249c-25bc-5019-a88f-33a6c2731b07 cnc.504.su:56999 guuid=59ff5431-1a00-0000-86ed-874bc9090000 pid=2505->2ac2249c-25bc-5019-a88f-33a6c2731b07 send: 24B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2e078eca-4c5b-4f20-ad07-9e851350e889
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b20ab6b5ca6c40a5d33681ea258760e05bb5ac14fa7a1ffd6ba3f5b4604a8ed4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b20ab6b5ca6c40a5d33681ea258760e05bb5ac14fa7a1ffd6ba3f5b4604a8ed4/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b20ab6b5ca6c40a5d33681ea258760e05bb5ac14fa7a1ffd6ba3f5b4604a8ed4
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-05-10 05:06:21 UTC
File Type:
ELF64 Little (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wiflnnoknrakluzwqhvclb3a4bn3llau7j5b77llup23iyckr3ka._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai antivm botnet linux
Link:
https://tria.ge/reports/260510-fq4rqaht7t/
Behaviour
Changes its process name
Checks CPU configuration
Malware Config
C2 Extraction:
cnc.504.su
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b20ab6b5ca6c40a5d33681ea258760e05bb5ac14fa7a1ffd6ba3f5b4604a8ed4

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
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_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_1e0c5ce0
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_449937aa
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
Rule name:MatchByteSequence
Create hunting rule
Author:Generated by ChatGPT
Description:Rule to match specific byte sequence: 89 C8 C1 E8 08 31 D1 31 C8
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 b20ab6b5ca6c40a5d33681ea258760e05bb5ac14fa7a1ffd6ba3f5b4604a8ed4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3843648/
  
Delivery method
Distributed via web download

Comments