MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 420a5243feef30ef05fea4e0b938e9ad7715b7608f39cc259398075520834aae. 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 15 File information Comments 1

SHA256 hash: 420a5243feef30ef05fea4e0b938e9ad7715b7608f39cc259398075520834aae
SHA3-384 hash: 9c53f1e9071a6ef221b2765345179a414b259236119015a1c0ffe8e5ffa04067416ad7f5663ea17729cecba910bc9849
SHA1 hash: e7d70fa0186d9b2ce968afe05c80251356391f5d
MD5 hash: d478af8a89c5d82fc1e27a8dae96c43b
humanhash: nebraska-lion-vegan-california
File name:d478af8a89c5d82fc1e27a8dae96c43b
Download: download sample
Signature Mirai
File size:93'324 bytes
First seen:2024-01-25 14:28:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:hJlEXJrbldR2mW01TbsTwhsij+vspvJ30OL9JBCgd:hJlaJr/wmW01Tbbhso+kpv1fl
TLSH T131936DC2D793E9FAF852057621376F32EB33F53A1127DA82E3D86D319826605821735E
telfhash t13131e6f61e7a0ce8b7d05842e20d5a226d6da77f241072e74672d52431aec8152b7c3d
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter zbetcheckin
Tags:32 elf intel mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
179
Origin country :
FR FR
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug mirai obfuscated
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
98
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Anti-VM
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
72 / 100
Signature
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1381097 Sample: O7UI9pSYcy.elf Startdate: 25/01/2024 Architecture: LINUX Score: 72 23 Malicious sample detected (through community Yara rule) 2->23 25 Multi AV Scanner detection for submitted file 2->25 27 Yara detected Mirai 2->27 29 Machine Learning detection for sample 2->29 8 O7UI9pSYcy.elf 2->8         started        11 dash rm 2->11         started        process3 signatures4 31 Opens /proc/net/* files useful for finding connected devices and routers 8->31 13 O7UI9pSYcy.elf 8->13         started        15 O7UI9pSYcy.elf 8->15         started        process5 process6 17 O7UI9pSYcy.elf 13->17         started        process7 19 O7UI9pSYcy.elf 17->19         started        21 O7UI9pSYcy.elf 17->21         started       
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2024-01-25 14:29:07 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
Behaviour
Reads system network configuration
Reads system routing table
Modifies Watchdog functionality
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:iot_req_metachar
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
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_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:myMirai
Description:Mirai
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 420a5243feef30ef05fea4e0b938e9ad7715b7608f39cc259398075520834aae

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-01-25 14:28:50 UTC

url : hxxp://45.128.232.143/bins/kirin.i586