MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4dc61431cb8239ad04dc5529a5ab363ef428f95e51100e4c519ad2e805487de. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4dc61431cb8239ad04dc5529a5ab363ef428f95e51100e4c519ad2e805487de
SHA3-384 hash: f775b5193f79f8eae76b44b0de5a6c9bdff0b396cd14827ac633a145349895631707cd19d28ff6b3960927461c1aebd8
SHA1 hash: 2cea428c852c9370e1c795828f1e3a5cc93087fb
MD5 hash: eaf38c282f5fb7e575081b1299298586
humanhash: grey-bravo-oregon-spring
File name:main_x86
Download: download sample
Signature Mirai
Create hunting rule
File size:92'552 bytes
First seen:2025-07-09 17:46:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Ae3mgfV+2KLW2wmQcos4I67VY5zZ8/csgbV7XKCV8VdvSS8XV:pffV+2KLW2wLo4I669Z8/Fo7ZVmt7a
TLSH T199936CC1F643E4F5EC9741B25137E7329733E03A602AEE93C759A9239C91950DB1A3AC
telfhash t19451b3fb2e6a0cecb3e45800d31e5b962929d77b152136f64573895523eaec240bac39
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 :
24
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=686eaaf1900df8e7f86932c6linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Creating a file
Runs as daemon
Kills processes
Sends data to a server
Connection attempt
Traces processes
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin
Link:
https://www.filescan.io/uploads/686eaae761f15fb42a370088/reports/d51f477a-9306-478b-b38c-e82ed0d56f3e/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b4dc61431cb8239ad04dc5529a5ab363ef428f95e51100e4c519ad2e805487de
Behaviour
Process Renaming
Anti-Debugging
Information Gathering
Botnet C2s
TCP botnet C2(s):
type:Mirai 198.55.98.107:1995
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6dcbd412-e0be-4996-91df-67492450a785
Behavior Graph:
Download SVG
%3 guuid=40851696-1600-0000-190e-cc9c3e0c0000 pid=3134 /usr/bin/sudo guuid=c88cb098-1600-0000-190e-cc9c470c0000 pid=3143 /tmp/sample.bin delete-file net guuid=40851696-1600-0000-190e-cc9c3e0c0000 pid=3134->guuid=c88cb098-1600-0000-190e-cc9c470c0000 pid=3143 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=c88cb098-1600-0000-190e-cc9c470c0000 pid=3143->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=ebcce198-1600-0000-190e-cc9c480c0000 pid=3144 /tmp/sample.bin dns net send-data zombie guuid=c88cb098-1600-0000-190e-cc9c470c0000 pid=3143->guuid=ebcce198-1600-0000-190e-cc9c480c0000 pid=3144 clone guuid=ebcce198-1600-0000-190e-cc9c480c0000 pid=3144->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 30B 1b298986-c1a2-51c3-8ea4-731b8031d0c6 botnet.eu.cc:1995 guuid=ebcce198-1600-0000-190e-cc9c480c0000 pid=3144->1b298986-c1a2-51c3-8ea4-731b8031d0c6 send: 7B guuid=0877f798-1600-0000-190e-cc9c490c0000 pid=3145 /tmp/sample.bin guuid=ebcce198-1600-0000-190e-cc9c480c0000 pid=3144->guuid=0877f798-1600-0000-190e-cc9c490c0000 pid=3145 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/eed9eb1a-46db-428b-b522-754a450701da
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1732085
Signature
Malicious sample detected (through community Yara rule)
Sample deletes itself
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1732085 Sample: main_x86.elf Startdate: 09/07/2025 Architecture: LINUX Score: 52 19 34.254.182.186, 443 AMAZON-02US United States 2->19 21 54.171.230.55, 443, 58876 AMAZON-02US United States 2->21 23 Malicious sample detected (through community Yara rule) 2->23 8 main_x86.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 signatures5 25 Sample deletes itself 8->25 15 main_x86.elf 8->15         started        process6 process7 17 main_x86.elf 15->17         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b4dc61431cb8239ad04dc5529a5ab363ef428f95e51100e4c519ad2e805487de
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b4dc61431cb8239ad04dc5529a5ab363ef428f95e51100e4c519ad2e805487de/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-09 17:46:22 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=wtogcqy4xarzvucnyvjjuwvtmpxufd4v4uiqbzgfdgws5acuq7pa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
linux rootkit
Link:
https://tria.ge/reports/250709-wcf2ha11dw/
Behaviour
Writes file to tmp directory
Loads a kernel module
Verdict:
Malicious
Tags:
trojan mirai
YARA:
Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/2a09ac9c-41e2-4eee-9288-029087c29fc5
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/b4dc61431cb8239ad04dc5529a5ab363ef428f95e51100e4c519ad2e805487de

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Trojan_Mirai_5f7b67b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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 b4dc61431cb8239ad04dc5529a5ab363ef428f95e51100e4c519ad2e805487de

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3575762/
  
Delivery method
Distributed via web download

Comments