MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44bb82f7174167700611026963311c8325e119f8bf132031cd663daa5b0a975a. 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 5 File information Comments

SHA256 hash: 44bb82f7174167700611026963311c8325e119f8bf132031cd663daa5b0a975a
SHA3-384 hash: 4fa77e3c8b7e5ee7db8448bbe0f27d90ec3f524b68306d109f2a345ecb6ae97a9142b3415812ee4be1dcb003809348d5
SHA1 hash: a0016144a4e5b10ef8c9f8caa82c073e58126481
MD5 hash: a499cbf075a03b28a561f208f190075c
humanhash: snake-pluto-neptune-nuts
File name:nklx86
Download: download sample
Signature Mirai
File size:45'852 bytes
First seen:2025-03-03 21:52:09 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:hqLRz5HM6UoxcBVPW6byjy2P+78NhAT/cZu3ofFwTa4DiN9:hqLRz5s6Uoxcnu6byD6/R3eFAa4
TLSH T1172338C09853E9F8EC5501746437BB339BF6F43A215DEA87D79DE922AC01B11E60B28C
telfhash t15a11c2ef6fb619b877c8ac0cc32b52e61ab6d22b566036e515f20dd422d1cd1d0a4c3a
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
109
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Sends data to a server
Opens a port
Creating a file
Receives data from a server
Runs as daemon
Substitutes an application name
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
60 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sends malformed DNS queries
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1628562 Sample: nklx86.elf Startdate: 03/03/2025 Architecture: LINUX Score: 60 14 serisbot.geek. [malformed] 2->14 16 199.119.163.178, 23 ZAYO-6461US United States 2->16 18 100 other IPs or domains 2->18 20 Malicious sample detected (through community Yara rule) 2->20 22 Multi AV Scanner detection for submitted file 2->22 8 nklx86.elf 2->8         started        signatures3 24 Sends malformed DNS queries 14->24 process4 process5 10 nklx86.elf 8->10         started        process6 12 nklx86.elf 10->12         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-03-03 21:52:18 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:botnet defense_evasion discovery linux
Behaviour
Changes its process name
Modifies Watchdog functionality
Renames itself
Unexpected DNS network traffic destination
Contacts a large (183658) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-9857931-0
YARA:
Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_88de437f 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:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
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 44bb82f7174167700611026963311c8325e119f8bf132031cd663daa5b0a975a

(this sample)

  
Delivery method
Distributed via web download

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