MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d9b15ebefc08e739215e86760a8b726a32c660b28a4fbddc003df3ab20a2901. 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: 13


Intelligence 13 IOCs YARA 17 File information Comments

SHA256 hash: 4d9b15ebefc08e739215e86760a8b726a32c660b28a4fbddc003df3ab20a2901
SHA3-384 hash: 823803e716340a81272af6ece7ea9109b881e9ed2fe85c1c87f3a0cb266da59e089d96b71fd6208c270f756801886f2a
SHA1 hash: 6b076f5035277fafbd15893b06de2619b853f1ae
MD5 hash: 4c1900a53d28162db09d1e746bf6a61b
humanhash: wyoming-fruit-fix-queen
File name:ub8ehJSePAfc9FYqZIT6.x86_64
Download: download sample
Signature Mirai
File size:143'288 bytes
First seen:2026-01-18 13:52:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:1pBiyYBgfshdHUnlhczhhZow7Ec80LQbVSWOWw2LlZ9:1pKBXUUiw408x/F79
TLSH T1CAE3290B79C080FDC8E9D1788BFEA136E972B46D2278711B17C4BE321E59E201F6D665
telfhash t1a251cbb1356279d4b1f3fa22b30ae964ec710a5404e175e2da73b8face06bc54d62423
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 537aeab2293d7c3bb2a8db88d2790c1a09fba812cf61e3eb795120676c68666f
File size (compressed) :51'872 bytes
File size (de-compressed) :143'288 bytes
Format:linux/amd64
Packed file: 537aeab2293d7c3bb2a8db88d2790c1a09fba812cf61e3eb795120676c68666f

Intelligence


File Origin
# of uploads :
1
# of downloads :
38
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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated
Result
Gathering data
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-01-18T09:31:00Z UTC
Last seen:
2026-01-18T10:21:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.r
Status:
terminated
Behavior Graph:
%3 guuid=da4265af-1900-0000-ee87-99f5d1090000 pid=2513 /usr/bin/sudo guuid=677a1bb3-1900-0000-ee87-99f5db090000 pid=2523 /tmp/sample.bin net guuid=da4265af-1900-0000-ee87-99f5d1090000 pid=2513->guuid=677a1bb3-1900-0000-ee87-99f5db090000 pid=2523 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=677a1bb3-1900-0000-ee87-99f5db090000 pid=2523->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=55623db3-1900-0000-ee87-99f5dd090000 pid=2525 /tmp/sample.bin guuid=677a1bb3-1900-0000-ee87-99f5db090000 pid=2523->guuid=55623db3-1900-0000-ee87-99f5dd090000 pid=2525 clone guuid=bf1de3ee-1900-0000-ee87-99f5750a0000 pid=2677 /tmp/sample.bin guuid=677a1bb3-1900-0000-ee87-99f5db090000 pid=2523->guuid=bf1de3ee-1900-0000-ee87-99f5750a0000 pid=2677 clone guuid=a37b8b2a-1a00-0000-ee87-99f5e80a0000 pid=2792 /tmp/sample.bin guuid=677a1bb3-1900-0000-ee87-99f5db090000 pid=2523->guuid=a37b8b2a-1a00-0000-ee87-99f5e80a0000 pid=2792 clone guuid=e0543266-1a00-0000-ee87-99f5680b0000 pid=2920 /tmp/sample.bin delete-file guuid=677a1bb3-1900-0000-ee87-99f5db090000 pid=2523->guuid=e0543266-1a00-0000-ee87-99f5680b0000 pid=2920 clone guuid=e42a3d66-1a00-0000-ee87-99f5690b0000 pid=2921 /tmp/sample.bin dns net send-data zombie guuid=677a1bb3-1900-0000-ee87-99f5db090000 pid=2523->guuid=e42a3d66-1a00-0000-ee87-99f5690b0000 pid=2921 clone guuid=e42a3d66-1a00-0000-ee87-99f5690b0000 pid=2921->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=e42a3d66-1a00-0000-ee87-99f5690b0000 pid=2921->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 1900B 3ec2bfaf-8e71-5eeb-b8ce-6ffe78958b80 weifang.serveftp.com:3778 guuid=e42a3d66-1a00-0000-ee87-99f5690b0000 pid=2921->3ec2bfaf-8e71-5eeb-b8ce-6ffe78958b80 send: 250B
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-18 13:53:53 UTC
File Type:
ELF64 Little (Exe)
AV detection:
22 of 34 (64.71%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery linux
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_520deeb8 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_01e4a728 Linux_Trojan_Mirai_e0cf29e2
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 4d9b15ebefc08e739215e86760a8b726a32c660b28a4fbddc003df3ab20a2901

(this sample)

  
Delivery method
Distributed via web download

Comments