MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31e93d1e975058abc526ef9cfafc2305981d6397ee408ce39c1e23bf275da5ad. 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 16 File information Comments

SHA256 hash: 31e93d1e975058abc526ef9cfafc2305981d6397ee408ce39c1e23bf275da5ad
SHA3-384 hash: 608e58d9e4abc6832184f5e5e79d6615e557a31fbf275478c9f18e0e369eeb4fa7c47e66dc3390348115bf27dcfbddc1
SHA1 hash: 2d5aa8a64c5e193bc8f65873da15b727c3191f1e
MD5 hash: ad0cb12a532f51fc5e5ae6ddc9b230f7
humanhash: south-pizza-pizza-juliet
File name:morte.i686
Download: download sample
Signature Mirai
File size:104'628 bytes
First seen:2025-11-13 22:41:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Q3RZ09Nqw+kTyphFtkC3MY9UhdaaEqtHq4WttAGUU:2gN+7FtkqMKs4GPWQ
TLSH T18EA328C4F58B81F7C44B8830106AF63FDA31DDA49171CA5DDFAAAF36DA73902921265C
telfhash t1fc3146b9a7760cd997d08c13b28a9b20ec1d277f152037a309fa21283627550967fd3d
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 1056a2445f64625c1371684d0cf8071afef61d12a5013edc952edeaf6e9ed1d1
File size (compressed) :45'216 bytes
File size (de-compressed) :104'628 bytes
Format:linux/i386
Packed file: 1056a2445f64625c1371684d0cf8071afef61d12a5013edc952edeaf6e9ed1d1

Intelligence


File Origin
# of uploads :
1
# of downloads :
51
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Sends data to a server
Receives data from a server
Changes access rights for a file
Runs as daemon
Opens a port
DNS request
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-13T20:46:00Z UTC
Last seen:
2025-11-14T01:30:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=54f67c65-1900-0000-c94c-1a8872090000 pid=2418 /usr/bin/sudo guuid=7cc2fa67-1900-0000-c94c-1a8879090000 pid=2425 /tmp/sample.bin net guuid=54f67c65-1900-0000-c94c-1a8872090000 pid=2418->guuid=7cc2fa67-1900-0000-c94c-1a8879090000 pid=2425 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=7cc2fa67-1900-0000-c94c-1a8879090000 pid=2425->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=feb45e68-1900-0000-c94c-1a887a090000 pid=2426 /tmp/sample.bin guuid=7cc2fa67-1900-0000-c94c-1a8879090000 pid=2425->guuid=feb45e68-1900-0000-c94c-1a887a090000 pid=2426 clone guuid=fabf2895-1a00-0000-c94c-1a88190c0000 pid=3097 /tmp/sample.bin guuid=7cc2fa67-1900-0000-c94c-1a8879090000 pid=2425->guuid=fabf2895-1a00-0000-c94c-1a88190c0000 pid=3097 clone guuid=427f3195-1a00-0000-c94c-1a881a0c0000 pid=3098 /tmp/sample.bin net send-data zombie guuid=7cc2fa67-1900-0000-c94c-1a8879090000 pid=2425->guuid=427f3195-1a00-0000-c94c-1a881a0c0000 pid=3098 clone guuid=05776568-1900-0000-c94c-1a887b090000 pid=2427 /tmp/sample.bin guuid=feb45e68-1900-0000-c94c-1a887a090000 pid=2426->guuid=05776568-1900-0000-c94c-1a887b090000 pid=2427 clone guuid=58107068-1900-0000-c94c-1a887c090000 pid=2428 /tmp/sample.bin dns net send-data zombie guuid=feb45e68-1900-0000-c94c-1a887a090000 pid=2426->guuid=58107068-1900-0000-c94c-1a887c090000 pid=2428 clone guuid=58107068-1900-0000-c94c-1a887c090000 pid=2428->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 837B 01bb915c-71c6-57a6-bd5f-3cb536b9a274 vr3b.ddns.net:12121 guuid=58107068-1900-0000-c94c-1a887c090000 pid=2428->01bb915c-71c6-57a6-bd5f-3cb536b9a274 send: 162B guuid=427f3195-1a00-0000-c94c-1a881a0c0000 pid=3098->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 930B a4e02df3-c7fa-5be2-b410-afe687812c07 41.216.189.108:80 guuid=427f3195-1a00-0000-c94c-1a881a0c0000 pid=3098->a4e02df3-c7fa-5be2-b410-afe687812c07 send: 4B
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1813857 Sample: morte.i686.elf Startdate: 13/11/2025 Architecture: LINUX Score: 76 22 vr3b.ddns.net 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 3 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 8 morte.i686.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 36 Uses dynamic DNS services 22->36 process4 process5 12 morte.i686.elf 8->12         started        14 morte.i686.elf 8->14         started        16 morte.i686.elf 8->16         started        process6 18 morte.i686.elf 12->18         started        20 morte.i686.elf 12->20         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-13 22:42:43 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Mirai_268aac0b Linux_Trojan_Mirai_0cb1699c Linux_Trojan_Mirai_70ef58f1 Linux_Trojan_Mirai_3a85a418 Linux_Trojan_Mirai_485c4b13 Linux_Trojan_Mirai_7d05725e Linux_Trojan_Mirai_2e3f67a9 Linux_Trojan_Mirai_0d73971c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b Linux_Gafgyt_May_2024
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_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0cb1699c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3a85a418
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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 31e93d1e975058abc526ef9cfafc2305981d6397ee408ce39c1e23bf275da5ad

(this sample)

  
Delivery method
Distributed via web download

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