MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b749b8d78ea188b59a5e0b264b33a98b717ffa9aff3ea7032d136ad7174fb30c. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b749b8d78ea188b59a5e0b264b33a98b717ffa9aff3ea7032d136ad7174fb30c
SHA3-384 hash: 528266512b18d6e6e717b14486623b1d46df942dbadf93d85c8ad67eb88b22a5e902b9731b1da381d51b0dc5ce9df913
SHA1 hash: 83dde1e7b49be2b0a721994a9fc600e384bf9942
MD5 hash: a0d592737bc2bf1d99d09f94d18369a9
humanhash: march-princess-asparagus-indigo
File name:ub8ehJSePAfc9FYqZIT6.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:97'736 bytes
First seen:2026-01-19 08:38:32 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:obthztlKSANZbHlOK+fSbHjIjbPKG8m44HYXT3BpW0ST5Z+MI0:obXB+bHlOK+fSrsjbr8m5HEBczT5Z+c
TLSH T11EA34985FA83C2F6E81B04706162BB3FD731DDA94079DE19DB9A5E31CA33541C3163A9
telfhash t1f05127f75e7a08e877d06c04c71e6be2291ee677256071e505f35ce023e299680bac39
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 86a5a7112eee8ddb4c6526e57e6dbe21115bb06972efa0f3e3b7658a492d66ee
File size (compressed) :39'948 bytes
File size (de-compressed) :97'736 bytes
Format:linux/i386
Packed file: 86a5a7112eee8ddb4c6526e57e6dbe21115bb06972efa0f3e3b7658a492d66ee

Intelligence

File Origin
# of uploads :
1
# of downloads :
60
Origin country :
NL NL
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/c0762ed0-b97d-4b5d-8767-cc73c25725ae/
Detection(s):
Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/696dedbf584f1963ad5b5521/reports/807ca158-ab3f-4fe2-aa45-569ee1b23d94/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-19T06:51:00Z UTC
Last seen:
2026-01-19T10:54:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b749b8d78ea188b59a5e0b264b33a98b717ffa9aff3ea7032d136ad7174fb30c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/41254055-b8f5-4f17-90f7-c6dadd16521b
Behavior Graph:
Download SVG
%3 guuid=328ba342-1900-0000-0147-8a31d80a0000 pid=2776 /usr/bin/sudo guuid=897d5845-1900-0000-0147-8a31db0a0000 pid=2779 /tmp/sample.bin net guuid=328ba342-1900-0000-0147-8a31d80a0000 pid=2776->guuid=897d5845-1900-0000-0147-8a31db0a0000 pid=2779 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=897d5845-1900-0000-0147-8a31db0a0000 pid=2779->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=3e6ca545-1900-0000-0147-8a31dc0a0000 pid=2780 /tmp/sample.bin guuid=897d5845-1900-0000-0147-8a31db0a0000 pid=2779->guuid=3e6ca545-1900-0000-0147-8a31dc0a0000 pid=2780 clone guuid=de7f4f81-1900-0000-0147-8a31620b0000 pid=2914 /tmp/sample.bin guuid=897d5845-1900-0000-0147-8a31db0a0000 pid=2779->guuid=de7f4f81-1900-0000-0147-8a31620b0000 pid=2914 clone guuid=217a03bd-1900-0000-0147-8a31d70b0000 pid=3031 /tmp/sample.bin delete-file guuid=897d5845-1900-0000-0147-8a31db0a0000 pid=2779->guuid=217a03bd-1900-0000-0147-8a31d70b0000 pid=3031 clone guuid=991211bd-1900-0000-0147-8a31d80b0000 pid=3032 /tmp/sample.bin dns net send-data zombie guuid=897d5845-1900-0000-0147-8a31db0a0000 pid=2779->guuid=991211bd-1900-0000-0147-8a31d80b0000 pid=3032 clone guuid=991211bd-1900-0000-0147-8a31d80b0000 pid=3032->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=991211bd-1900-0000-0147-8a31d80b0000 pid=3032->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 1638B bb4fe9eb-6da4-5bc7-bf8c-de96d6b4783d dongfeng.serveftp.com:3778 guuid=991211bd-1900-0000-0147-8a31d80b0000 pid=3032->bb4fe9eb-6da4-5bc7-bf8c-de96d6b4783d send: 210B
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1853243
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b749b8d78ea188b59a5e0b264b33a98b717ffa9aff3ea7032d136ad7174fb30c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b749b8d78ea188b59a5e0b264b33a98b717ffa9aff3ea7032d136ad7174fb30c/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-19 08:39:51 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w5e3rv4ougellgs6bmtewm5jrnyx76u2747koazncnvnof2pwmga._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion linux
Link:
https://tria.ge/reports/260119-kkh1aaew4a/
Behaviour
Writes file to tmp directory
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Mirai_268aac0b Linux_Trojan_Mirai_0cb1699c Linux_Trojan_Mirai_70ef58f1 Linux_Trojan_Mirai_2e3f67a9 Linux_Trojan_Mirai_0d73971c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b
Link:
https://app.threat.zone/submission/b4019526-0226-4689-94ce-57084124f83c
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/b749b8d78ea188b59a5e0b264b33a98b717ffa9aff3ea7032d136ad7174fb30c

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_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Trojan_Mirai_0cb1699c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 86a5a7112eee8ddb4c6526e57e6dbe21115bb06972efa0f3e3b7658a492d66ee

Mirai

elf b749b8d78ea188b59a5e0b264b33a98b717ffa9aff3ea7032d136ad7174fb30c

(this sample)

  
Dropped by
SHA256 86a5a7112eee8ddb4c6526e57e6dbe21115bb06972efa0f3e3b7658a492d66ee
  
URLhaus
https://urlhaus.abuse.ch/url/3759497/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 1abb7071bccf063d7e63c7e0e3179e75
  
URLhaus
https://urlhaus.abuse.ch/url/3753590/
  
URLhaus
https://urlhaus.abuse.ch/url/3760893/
  
URLhaus
https://urlhaus.abuse.ch/url/3760951/

Comments