MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b90e86649050b311ab5710860fe90c97063eb6c83567efd08d47383320e3500. 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 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b90e86649050b311ab5710860fe90c97063eb6c83567efd08d47383320e3500
SHA3-384 hash: f5dcf7e1d126e72508324ed95444a3297946468538055300ad0caf519f67d204769501667a913e4dfd128cc6c17c0628
SHA1 hash: 88a37e578b0f56f1f4b012326bff54e7be6dfa0e
MD5 hash: d61309d3773ed73af77310184f6abd7b
humanhash: cat-bakerloo-seven-charlie
File name:bot
Download: download sample
Signature Mirai
Create hunting rule
File size:1'339'896 bytes
First seen:2026-01-26 17:49:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 24576:C9/LRejkNg7xM4bGMImYlkL+vTKwmpr1myFpil068OLY:C9/4jkNgtitzkL+l2vFpil0mY
TLSH T11E556C2AB2B2E66DD007C03497DBC6A14530F0756A323D7B37849B352EBADE45359B23
telfhash t1a12138f24f75a1715d52dc05a4ec0349751ec1264c42fd87e9286b3c10a2a4e70cbaef
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 c8ae80c3be6292493710b9a6801b66d95fc284efa56cc9187b361728b7ec4fd6
File size (compressed) :549'368 bytes
File size (de-compressed) :1'339'896 bytes
Format:linux/amd64
Packed file: c8ae80c3be6292493710b9a6801b66d95fc284efa56cc9187b361728b7ec4fd6

Intelligence

File Origin
# of uploads :
1
# of downloads :
50
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/6977a95ba57b6af70d0d6055/reports/e42e3cb0-0db5-4b94-9900-7eacf82d1f24/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
2
Number of processes launched:
1
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/4b90e86649050b311ab5710860fe90c97063eb6c83567efd08d47383320e3500
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-01-27T05:22:00Z UTC
Last seen:
2026-01-27T05:58:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/4b90e86649050b311ab5710860fe90c97063eb6c83567efd08d47383320e3500/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/837dbd98-bf93-4cc3-ba45-cb33ec4ac3b0
Behavior Graph:
Download SVG
%3 guuid=16b60ed2-1700-0000-1d95-5426e70b0000 pid=3047 /usr/bin/sudo guuid=5505cdd4-1700-0000-1d95-5426f10b0000 pid=3057 /tmp/sample.bin net guuid=16b60ed2-1700-0000-1d95-5426e70b0000 pid=3047->guuid=5505cdd4-1700-0000-1d95-5426f10b0000 pid=3057 execve 4d20303d-202e-57b6-ae55-1b251b7f3bf4 91.92.240.38:662 guuid=5505cdd4-1700-0000-1d95-5426f10b0000 pid=3057->4d20303d-202e-57b6-ae55-1b251b7f3bf4 con
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c684481d-72c7-4513-a349-64c7f097ee0c
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1857782
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1857782 Sample: bot.elf Startdate: 26/01/2026 Architecture: LINUX Score: 48 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 91.92.240.38, 56302, 56304, 56306 THEZONEBG Bulgaria 2->16 18 5 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 6 dash rm 2->6         started        8 dash rm 2->8         started        10 python3.8 dpkg 2->10         started        12 bot.elf 2->12         started        signatures3 process4
Score:
99%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4b90e86649050b311ab5710860fe90c97063eb6c83567efd08d47383320e3500
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4b90e86649050b311ab5710860fe90c97063eb6c83567efd08d47383320e3500/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-26 17:50:36 UTC
File Type:
ELF64 Little (Exe)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=joioqzsjauftcgvvoeegb7uqzfygh23mqnlh57ii2rzygmqoguaa._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
discovery linux
Link:
https://tria.ge/reports/260126-weqzgscy9a/
Behaviour
Reads runtime system information
Changes its process name
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/4b90e86649050b311ab5710860fe90c97063eb6c83567efd08d47383320e3500

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:iot_req_metachar
Create hunting rule
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:malwareelf55503
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:testlumma
Create hunting rule
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 c8ae80c3be6292493710b9a6801b66d95fc284efa56cc9187b361728b7ec4fd6

Mirai

elf 4b90e86649050b311ab5710860fe90c97063eb6c83567efd08d47383320e3500

(this sample)

  
Dropped by
SHA256 c8ae80c3be6292493710b9a6801b66d95fc284efa56cc9187b361728b7ec4fd6
  
URLhaus
https://urlhaus.abuse.ch/url/3748914/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 fee9fdc8c783d44dcc3d6de21cd23ba1

Comments