MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b91d681a627635c5c885b4dff0253a916ea88579315e2b6d570ac1aa4ca642d. 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: 12


Intelligence 12 IOCs YARA 9 File information Comments

SHA256 hash: 5b91d681a627635c5c885b4dff0253a916ea88579315e2b6d570ac1aa4ca642d
SHA3-384 hash: 72b2957f48bef46e961b5b5038d6bd7e0135de5b1a5b90d989b5a28ef816ed66549bd96fdf6af202fbdecb253419987a
SHA1 hash: 74637e0ea64743e9bc715f14d326b6187801ee8d
MD5 hash: 1320aac0f01bd62ce5cc1ec14cc9a4a1
humanhash: cat-sierra-washington-don
File name:x86
Download: download sample
Signature Mirai
File size:64'104 bytes
First seen:2024-12-02 04:02:05 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:WMYHOg8iy+8LqstnScUZZia6iZBySv39:3YHOrip8LnU16OBtN
TLSH T1C6536DC9F283D9B5E94B0A70147BBF779A31D5FB2258D603E3F45A66FD02A139005A4C
telfhash t1e631b1f74eea14ecb7d11404831b6ba3467ad53715a072b492b2ac8423f3f91a07ac3d
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 :
103
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug lolbin remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2024-12-02 04:03:04 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 linux
Behaviour
Changes its process name
Verdict:
Unknown
Tags:
trojan mirai gafgyt
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Mirai_122ff2e6 Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_fa48b592 Linux_Trojan_Mirai_8aa7b5d3 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: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_122ff2e6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa48b592
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla
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 5b91d681a627635c5c885b4dff0253a916ea88579315e2b6d570ac1aa4ca642d

(this sample)

  
Delivery method
Distributed via web download

Comments