MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef5abd557acb92cc93d0d0afd6d193606c258a26bc3fceed12e2087b1f62c8b6. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef5abd557acb92cc93d0d0afd6d193606c258a26bc3fceed12e2087b1f62c8b6
SHA3-384 hash: 825389dca89d34d7dd200a8c24c4b453c13b0ed3cee1bcddbbba3f93befb17af027152ddd669df42a862327c310d74e0
SHA1 hash: 9116da9db4ae19970e92352d5a5e0219164d9a96
MD5 hash: 654cf0156f303d83cb869a0e9ea28628
humanhash: potato-six-finch-magnesium
File name:arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:579'104 bytes
First seen:2025-03-17 08:16:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:K921QQtL6OaixKWs/HCtXAb49EOK3RGS7oLAaMTOGXNvz+Javqr7WjwaaTaN1nHF:K92KixC/HC6B8S7oRGXVMm
TLSH T1A5C44A59A8419B95D1C02BBBFF1D934873131B38E2EFB1069D196B246BDBC1B0F7A502
telfhash t1e3f09ed4460413d875d2480c09dfb713ea0a76ea2f6129cb8bb36e0f9613f80c150e7e
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67d7dc3908116ce42571b3a8linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unmounts file systems
Creating a file
Connection attempt
Kills processes
Substitutes an application name
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
expand lolbin packed remote
Link:
https://www.filescan.io/uploads/67d7da840feab719930fac4a/reports/1f8607c1-e693-4fde-ae7b-c4a68e68776e/overview
Result
Verdict:
UNKNOWN
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/25dbcd21-9928-48e7-848f-4debcb814560
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1640382
Signature
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1640382 Sample: arm7.elf Startdate: 17/03/2025 Architecture: LINUX Score: 60 14 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->14 16 daisy.ubuntu.com 2->16 18 Multi AV Scanner detection for submitted file 2->18 20 Yara detected Mirai 2->20 7 dash rm arm7.elf 2->7         started        10 dash rm 2->10         started        signatures3 process4 signatures5 22 Sample reads /proc/mounts (often used for finding a writable filesystem) 7->22 12 arm7.elf 7->12         started        process6
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ef5abd557acb92cc93d0d0afd6d193606c258a26bc3fceed12e2087b1f62c8b6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef5abd557acb92cc93d0d0afd6d193606c258a26bc3fceed12e2087b1f62c8b6/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-03-17 08:17:10 UTC
File Type:
ELF32 Little (Exe)
AV detection:
6 of 36 (16.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=55nl2vl2zojmze6q2cx5numtmbwclcrgxq7453is4iehwh3czc3a._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery
Link:
https://tria.ge/reports/250317-j6rc4syjs9/
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Enumerates running processes
Renames itself
Contacts a large (24906) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9885259-0
YARA:
n/a
Link:
https://app.threat.zone/submission/afcb78b5-7138-4ba7-8960-fd76e02c8514
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/ef5abd557acb92cc93d0d0afd6d193606c258a26bc3fceed12e2087b1f62c8b6

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Create hunting rule
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 ef5abd557acb92cc93d0d0afd6d193606c258a26bc3fceed12e2087b1f62c8b6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3468989/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3469416/

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