MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1fa40a6e5340a17237ad598affbe9257e6b15a8c2fab0931e6fd4fe47e244b40. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1fa40a6e5340a17237ad598affbe9257e6b15a8c2fab0931e6fd4fe47e244b40
SHA3-384 hash: 38713d69b35fd62c207f30a351bf5ac47f5ca2281a6887407f9725bb82b022ebeb4cecb94989f5142ccfa3698d7f0418
SHA1 hash: f6674a55c768333342bd976bc6082628aa62c485
MD5 hash: f7f48bcbedf17393bf74aa98a126a759
humanhash: carbon-sodium-eleven-triple
File name:mipsel
Download: download sample
Signature Mirai
Create hunting rule
File size:127'388 bytes
First seen:2026-01-05 00:52:43 UTC
Last seen:2026-01-11 08:20:38 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:GPAVf8r+NEUu51DJrrCrmiS3A0XtCsCfsl5sDMGp3e6FC6+:GIa+NEUEJC6J3jCsCLZ1C3
TLSH T1DDC313652C06826BC0A6333D7D33694E98F1E45F0D9ABF5BB57A731BE04AC581412E7C
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :127'388 bytes
File size (de-compressed) :338'100 bytes
Format:linux/mipsel
Unpacked file: c3b2a0a6112373a6698d6217f3eed658216e574fd9957fc59a77806983070982

Intelligence

File Origin
# of uploads :
3
# of downloads :
78
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/7e431ec9-c78e-496c-95f6-45b11c9ff6ee/
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Receives data from a server
Connection attempt
Sends data to a server
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai packed upx
Link:
https://www.filescan.io/uploads/695b0b79148c21e830f02c84/reports/39e2a960-53b5-467a-97fe-abe092d8facc/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-04T18:48:00Z UTC
Last seen:
2026-01-05T01:09:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/1fa40a6e5340a17237ad598affbe9257e6b15a8c2fab0931e6fd4fe47e244b40/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0c13d239-1514-46c3-97e5-445127993ca3
Behavior Graph:
Download SVG
%3 guuid=89016fae-1800-0000-fd96-37dedb090000 pid=2523 /usr/bin/sudo guuid=77c66bb1-1800-0000-fd96-37dedf090000 pid=2527 /tmp/sample.bin guuid=89016fae-1800-0000-fd96-37dedb090000 pid=2523->guuid=77c66bb1-1800-0000-fd96-37dedf090000 pid=2527 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/42ca5465-7caf-41d3-a6e1-9ef2953f366f
Result
Threat name:
n/a
Detection:
suspicious
Classification:
evad
Score:
22 / 100
Link:
https://www.joesandbox.com/analysis/1844643
Signature
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1844643 Sample: mipsel.elf Startdate: 05/01/2026 Architecture: LINUX Score: 22 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 91.92.240.38, 51782, 666 THEZONEBG Bulgaria 2->16 18 4 other IPs or domains 2->18 20 Sample is packed with UPX 2->20 6 dash rm 2->6         started        8 dash rm 2->8         started        10 python3.8 dpkg 2->10         started        12 mipsel.elf 2->12         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/1fa40a6e5340a17237ad598affbe9257e6b15a8c2fab0931e6fd4fe47e244b40
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1fa40a6e5340a17237ad598affbe9257e6b15a8c2fab0931e6fd4fe47e244b40/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Suspicious
First seen:
2026-01-05 00:53:15 UTC
File Type:
ELF32 Little (SO)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d6sau3sticqxen5nlgfp7pusk7tlcwumf6vqsmpg7vh6i7rejnaa._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery upx
Link:
https://tria.ge/reports/260105-a8yersbx3h/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/163dc4be-cf28-4bce-a179-6cbff961a95c
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/1fa40a6e5340a17237ad598affbe9257e6b15a8c2fab0931e6fd4fe47e244b40

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_arm_mips_ko_so
Create hunting rule
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 1fa40a6e5340a17237ad598affbe9257e6b15a8c2fab0931e6fd4fe47e244b40

(this sample)

Mirai

elf c3b2a0a6112373a6698d6217f3eed658216e574fd9957fc59a77806983070982

  
URLhaus
https://urlhaus.abuse.ch/url/3748052/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 c3b2a0a6112373a6698d6217f3eed658216e574fd9957fc59a77806983070982
  
Dropping
MD5 e238b60272ca646732b86692796e7292

Comments