MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31c139ec87e5163cac36667f7657a426cd4efc07e9de2d405af46769272df459. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31c139ec87e5163cac36667f7657a426cd4efc07e9de2d405af46769272df459
SHA3-384 hash: 58b99441ebcc9d4d2cfd66dce2fa6e944c00836f430abbc1b7ffa826b93c0d4fe396518577bacad7e41575ed17c9cf4a
SHA1 hash: 5b5cec2079b8c4b877a5c4b074d78c2bc695734c
MD5 hash: aefdc285dc7fbde7dd255f2c8a4d7811
humanhash: july-cardinal-carpet-april
File name:drea4
Download: download sample
Signature Mirai
Create hunting rule
File size:158'496 bytes
First seen:2025-03-15 00:18:02 UTC
Last seen:2025-03-15 07:56:38 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:I4YYGmjAbTIM/IYm0OAEv2WRB28j8hP4V2NqpTGYIItlblKOx0j4IVPS6lQ6wywA:7YYGrHAVVdRB5O4K0KNItdCBFz/Q6
TLSH T13FF31985BC519B63C6D612BBFB5E428D372A1768D3EE31038D255F21378B89B0E3B152
telfhash t17b21bb21ef6d0b2c3bd1c459d44a512e56bc31ed93233826df7eaf1b4e428a1726c926
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 :
2
# of downloads :
115
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67d4d61908116ce425713963linux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
android lolbin mirai remote
Link:
https://www.filescan.io/uploads/67d4c78fdab9a7b6c594b593/reports/ce69c884-aaa9-4c7e-a3e6-ba7510cdce08/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/31c139ec87e5163cac36667f7657a426cd4efc07e9de2d405af46769272df459
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0589eacb-2173-44d3-b84b-8ed0980196b8
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1639120
Signature
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Sends malformed DNS queries
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1639120 Sample: drea4.elf Startdate: 15/03/2025 Architecture: LINUX Score: 64 55 raw.awaken-network.net. [malformed] 2->55 57 109.202.202.202, 80 INIT7CH Switzerland 2->57 59 5 other IPs or domains 2->59 65 Multi AV Scanner detection for submitted file 2->65 8 drea4.elf 2->8         started        10 systemd gpu-manager 2->10         started        12 systemd gpu-manager 2->12         started        14 123 other processes 2->14 signatures3 67 Sends malformed DNS queries 55->67 process4 signatures5 17 drea4.elf 8->17         started        20 gpu-manager sh 10->20         started        22 gpu-manager sh 10->22         started        24 gpu-manager sh 10->24         started        30 5 other processes 10->30 26 gpu-manager sh 12->26         started        28 gpu-manager sh 12->28         started        32 6 other processes 12->32 69 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->69 34 92 other processes 14->34 process6 signatures7 61 Sample tries to kill multiple processes (SIGKILL) 17->61 63 Sample deletes itself 17->63 46 4 other processes 17->46 36 sh grep 20->36         started        38 sh grep 22->38         started        40 sh grep 24->40         started        42 sh grep 26->42         started        44 sh grep 28->44         started        49 5 other processes 30->49 51 6 other processes 32->51 53 76 other processes 34->53 process8 signatures9 71 Sample tries to kill multiple processes (SIGKILL) 46->71
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/31c139ec87e5163cac36667f7657a426cd4efc07e9de2d405af46769272df459
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31c139ec87e5163cac36667f7657a426cd4efc07e9de2d405af46769272df459/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-03-14 19:06:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ghatt3eh4uldzlbwmz7xmv5ee3gu57ah5hpc2qc26rtwsjzn6rmq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:botnet defense_evasion
Link:
https://tria.ge/reports/250315-al9vaavnw5/
Behaviour
Changes its process name
Writes file to system bin folder
Deletes itself
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
YARA:
n/a
Link:
https://app.threat.zone/submission/c3c89d3d-05ef-418d-983e-4ba9ab3bfefd
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/31c139ec87e5163cac36667f7657a426cd4efc07e9de2d405af46769272df459

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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
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 31c139ec87e5163cac36667f7657a426cd4efc07e9de2d405af46769272df459

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3477316/
  
Delivery method
Distributed via web download

Comments