MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3620739640642e789ac447312c61f1cedce3ce029c1912a172e201f7eb4bbc4a. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3620739640642e789ac447312c61f1cedce3ce029c1912a172e201f7eb4bbc4a
SHA3-384 hash: 867dd809d42d72638b1e69e23be93cf97f7ec16e62019077b89c448fa0ef86302fcf43c52ff2a7cecc8a544cfbb12f88
SHA1 hash: dbaa2a0aee89f84cdf68a8e7c78e624ea7adb047
MD5 hash: 3b896feca056e71687361b6d5c92db42
humanhash: maine-harry-sierra-december
File name:rsyslogd
Download: download sample
Signature Mirai
Create hunting rule
File size:87'968 bytes
First seen:2025-07-14 23:12:04 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:kE+Djh/T98HFVxq7t8tR6mmrSQXF9s8rwoOUgUo31ZegVW6Xr:+Xh/C1q7u8dOQXDpGrE6b
TLSH T12A837D43D25BE4F1E80104F51016BB36D9329AF34520DA9BFB64FD62ED37A126126FAC
telfhash t1f4410af71eae08e477d15804d3692b602d25953f2a1037d147b2a96422ebf829276c39
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 :
23
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7640011-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Collects information on the CPU
Receives data from a server
Runs as daemon
Connection attempt
Launching a process
Kills processes
Sends data to a server
Collects information on the OS
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated rust
Link:
https://www.filescan.io/uploads/68758ed17bc45bdee1ac106f/reports/82ec6e47-f830-4b33-9ee0-a72cf28e6c2b/overview
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/06a19aa3-cd1d-444b-8caa-af4886ebf4b1
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1736570
Signature
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Terminates several processes with shell command 'killall'
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1736570 Sample: rsyslogd.elf Startdate: 15/07/2025 Architecture: LINUX Score: 68 37 67.149.12.123 WOW-INTERNETUS United States 2->37 39 219.82.74.114 WASUHZHuashumediaNetworkLimitedCN China 2->39 41 99 other IPs or domains 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Connects to many ports of the same IP (likely port scanning) 2->47 9 rsyslogd.elf 2->9         started        signatures3 process4 process5 11 rsyslogd.elf 9->11         started        signatures6 51 Sample tries to kill multiple processes (SIGKILL) 11->51 14 rsyslogd.elf sh 11->14         started        16 rsyslogd.elf sh 11->16         started        18 rsyslogd.elf sh 11->18         started        20 59 other processes 11->20 process7 process8 22 sh killall 14->22         started        25 sh killall 16->25         started        27 sh killall 18->27         started        29 sh killall 20->29         started        31 sh killall 20->31         started        33 sh killall 20->33         started        35 56 other processes 20->35 signatures9 49 Terminates several processes with shell command 'killall' 22->49
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3620739640642e789ac447312c61f1cedce3ce029c1912a172e201f7eb4bbc4a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3620739640642e789ac447312c61f1cedce3ce029c1912a172e201f7eb4bbc4a/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-14 23:13:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gyqhhfsamqxhrgwei4ysyyprz3oohtqctqmrfils4ia7p22lxrfa._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery linux
Link:
https://tria.ge/reports/250714-26y23axr17/
Behaviour
Reads runtime system information
Changes its process name
Reads CPU attributes
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (110800) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai Unix.Dropper.Mirai-7640011-0
YARA:
Linux_Trojan_Mirai_3a56423b
Link:
https://app.threat.zone/submission/5a78a8c5-d7e8-402a-a99c-c8122a43f026
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.93
Link:
https://yomi.yoroi.company/submissions/3620739640642e789ac447312c61f1cedce3ce029c1912a172e201f7eb4bbc4a

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:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:Linux_Trojan_Mirai_3a56423b
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 3620739640642e789ac447312c61f1cedce3ce029c1912a172e201f7eb4bbc4a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3576536/
  
Delivery method
Distributed via web download

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