MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85fb9a74cf3c887492e0dc8789dc513e5769b6e86987ac800466992b89dbc98c. 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 11 File information Comments

SHA256 hash: 85fb9a74cf3c887492e0dc8789dc513e5769b6e86987ac800466992b89dbc98c
SHA3-384 hash: da13b7ae0857ca38c8d1f44ecbad056e7787089b490a5ad50635a9266153975ddc5520b4f5b612a4f4f2f8eadcd08dd2
SHA1 hash: 94a791efc05b22657859df12a7f7218e2cdc5230
MD5 hash: 9b32abb1cdff3be214810a2ec71f958e
humanhash: november-beer-ohio-sink
File name:ub8ehJSePAfc9FYqZIT6.x86
Download: download sample
Signature Mirai
File size:96'456 bytes
First seen:2026-01-18 18:35:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:adbCsep4TAtXCicwe/wxZLH9TIPzlK+wqSLaqIXM3n:gGvpIAEwMALH9ILlgjLHIc3
TLSH T162934BC9D6C3D8BAFC520475206AAB32CE73D67F613ADE47C3AD59329C61501C606B6C
telfhash t17d5128f71d7a0dec73e46c08c35a1ba32a19d77b116076b240b26da533f3a8180b6c35
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 4c090629d5ecf8695961afdd778b2d3dd39c64cb3b1e39f339bca268bebdf1f1
File size (compressed) :39'872 bytes
File size (de-compressed) :96'456 bytes
Format:linux/i386
Packed file: 4c090629d5ecf8695961afdd778b2d3dd39c64cb3b1e39f339bca268bebdf1f1

Intelligence


File Origin
# of uploads :
1
# of downloads :
40
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 masquerade mirai obfuscated
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-18T15:43:00Z UTC
Last seen:
2026-01-19T04:32:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=3b2ccfa1-1700-0000-9f92-90971a0b0000 pid=2842 /usr/bin/sudo guuid=2fa36da3-1700-0000-9f92-9097200b0000 pid=2848 /tmp/sample.bin net guuid=3b2ccfa1-1700-0000-9f92-90971a0b0000 pid=2842->guuid=2fa36da3-1700-0000-9f92-9097200b0000 pid=2848 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=2fa36da3-1700-0000-9f92-9097200b0000 pid=2848->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=777a9da3-1700-0000-9f92-9097210b0000 pid=2849 /tmp/sample.bin guuid=2fa36da3-1700-0000-9f92-9097200b0000 pid=2848->guuid=777a9da3-1700-0000-9f92-9097210b0000 pid=2849 clone guuid=da2b44df-1700-0000-9f92-9097b00b0000 pid=2992 /tmp/sample.bin guuid=2fa36da3-1700-0000-9f92-9097200b0000 pid=2848->guuid=da2b44df-1700-0000-9f92-9097b00b0000 pid=2992 clone guuid=37c6ef1a-1800-0000-9f92-90972c0c0000 pid=3116 /tmp/sample.bin guuid=2fa36da3-1700-0000-9f92-9097200b0000 pid=2848->guuid=37c6ef1a-1800-0000-9f92-90972c0c0000 pid=3116 clone guuid=ccf69e56-1800-0000-9f92-90977c0c0000 pid=3196 /tmp/sample.bin guuid=2fa36da3-1700-0000-9f92-9097200b0000 pid=2848->guuid=ccf69e56-1800-0000-9f92-90977c0c0000 pid=3196 clone guuid=033fa556-1800-0000-9f92-90977d0c0000 pid=3197 /tmp/sample.bin dns net send-data zombie guuid=2fa36da3-1700-0000-9f92-9097200b0000 pid=2848->guuid=033fa556-1800-0000-9f92-90977d0c0000 pid=3197 clone guuid=033fa556-1800-0000-9f92-90977d0c0000 pid=3197->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=033fa556-1800-0000-9f92-90977d0c0000 pid=3197->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 1672B 3ec2bfaf-8e71-5eeb-b8ce-6ffe78958b80 weifang.serveftp.com:3778 guuid=033fa556-1800-0000-9f92-90977d0c0000 pid=3197->3ec2bfaf-8e71-5eeb-b8ce-6ffe78958b80 send: 220B
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 18:36:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery linux
Behaviour
Reads runtime system information
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_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
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_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
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

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 85fb9a74cf3c887492e0dc8789dc513e5769b6e86987ac800466992b89dbc98c

(this sample)

Comments