MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38f5e2dcbc7636ea968e7765c2ec2b8e9ace6faae5f3c067a32cbd7e151c2e21. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 38f5e2dcbc7636ea968e7765c2ec2b8e9ace6faae5f3c067a32cbd7e151c2e21
SHA3-384 hash: b30a67589051a4034dafa8c70598358a72ce01b40c6eca8e02684ce853b8ea3c22bd78f626f46ffa0a96a35b0ac39847
SHA1 hash: b87ccf6e9393b479ca2fa57bcab1cd2f7b79d1d2
MD5 hash: e3092a373c0abcd89836faf67753ef48
humanhash: uncle-maine-cardinal-florida
File name:ub8ehJSePAfc9FYqZIT6.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:52'880 bytes
First seen:2026-01-21 08:56:45 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:2e+q02Pd+7cj0hRbMSk+oYQN5Wu6Odr1AMXuVoyWzkWQ5P9CBJgGlzDpbuR1JQ:2V2Pk7cjanLPuXdr1f+4+5PUVJuu
TLSH T11733F1BE391B2724E864A6B9B6B08F045C6587CE951ABE58704EBCC79C494713CCBAC0
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 UPX
File size (compressed) :52'880 bytes
File size (de-compressed) :174'124 bytes
Format:linux/mips
Unpacked file: c936f7918e01eaf3bf1267f3ec4a1f3db2509e7af7ebcb5b4a28adbca944e11b

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/072a8ee6-b819-412a-9134-f6389f0208a1/
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
4
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/38f5e2dcbc7636ea968e7765c2ec2b8e9ace6faae5f3c067a32cbd7e151c2e21
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c3371bcb-6c4b-4b4a-985d-c1814356d13b
Behavior Graph:
Download SVG
%3 guuid=0e43eaea-1a00-0000-933e-b516a60b0000 pid=2982 /usr/bin/sudo guuid=398c56ed-1a00-0000-933e-b516ae0b0000 pid=2990 /tmp/sample.bin guuid=0e43eaea-1a00-0000-933e-b516a60b0000 pid=2982->guuid=398c56ed-1a00-0000-933e-b516ae0b0000 pid=2990 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fc7562eb-6a0a-4fe2-9306-e7348072ffd6
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1854712
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1854712 Sample: ub8ehJSePAfc9FYqZIT6.mips.elf Startdate: 21/01/2026 Architecture: LINUX Score: 52 17 weifang.serveftp.com 45.83.207.194, 3778, 39868, 39870 CLOUVIDERClouvider-GlobalASNGB Netherlands 2->17 19 Multi AV Scanner detection for submitted file 2->19 21 Sample is packed with UPX 2->21 7 ub8ehJSePAfc9FYqZIT6.mips.elf 2->7         started        signatures3 process4 process5 9 ub8ehJSePAfc9FYqZIT6.mips.elf 7->9         started        11 ub8ehJSePAfc9FYqZIT6.mips.elf 7->11         started        13 ub8ehJSePAfc9FYqZIT6.mips.elf 7->13         started        15 ub8ehJSePAfc9FYqZIT6.mips.elf 7->15         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/38f5e2dcbc7636ea968e7765c2ec2b8e9ace6faae5f3c067a32cbd7e151c2e21
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/38f5e2dcbc7636ea968e7765c2ec2b8e9ace6faae5f3c067a32cbd7e151c2e21/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-21 08:57:49 UTC
File Type:
ELF32 Big (Exe)
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hd26fxf4oy3ovfuoo5s4f3blr2nm435k4xz4az5dfs6x4fi4fyqq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/260121-kwtwxsdw3b/
Behaviour
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/38f5e2dcbc7636ea968e7765c2ec2b8e9ace6faae5f3c067a32cbd7e151c2e21

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 38f5e2dcbc7636ea968e7765c2ec2b8e9ace6faae5f3c067a32cbd7e151c2e21

(this sample)

Mirai

elf c936f7918e01eaf3bf1267f3ec4a1f3db2509e7af7ebcb5b4a28adbca944e11b

  
URLhaus
https://urlhaus.abuse.ch/url/3760895/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 c936f7918e01eaf3bf1267f3ec4a1f3db2509e7af7ebcb5b4a28adbca944e11b
  
Dropping
MD5 80bb68ad17795b22393b5d01aabab47e
  
URLhaus
https://urlhaus.abuse.ch/url/3759325/
  
URLhaus
https://urlhaus.abuse.ch/url/3757598/
  
URLhaus
https://urlhaus.abuse.ch/url/3759489/
  
URLhaus
https://urlhaus.abuse.ch/url/3753583/

Comments