MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b686ee7f93768a14799dc52ef58b87583decd0b10a4efa73c4cb2a971b942da3. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b686ee7f93768a14799dc52ef58b87583decd0b10a4efa73c4cb2a971b942da3
SHA3-384 hash: dcefab023e7d01c0e0891d380775ac4f353988d1ea292ea87d9579686ebc469079496d837f4d31fb6697bc96215bf59d
SHA1 hash: d324186eff78e570902d0dba5e7f2d2559450c2c
MD5 hash: a5febdfc4243eaf282743c1ca6d2dbe0
humanhash: ten-pennsylvania-louisiana-princess
File name:atomic.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:53'584 bytes
First seen:2026-07-06 14:42:01 UTC
Last seen:2026-07-06 23:05:18 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:V+jEKiKCWKaI9WZWiqZauXx8NQSI8jBoha0fWNZr4p0Fipigjs7LD62Qx0kg:EjTiKjuSsa+aJ6g0uv7FEieymlg
TLSH T15233F1B7536AA6B6C5375CF1403DB5D8FBB2B6730340D723A926A57DA812B2B72043C0
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) :53'584 bytes
File size (de-compressed) :141'192 bytes
Format:linux/amd64
Unpacked file: 98d6f070e93ac3f3fe4f31b3ffb95fa91fe34a32bd60fb7cd40c9b627d479e32

Intelligence

File Origin
# of uploads :
2
# of downloads :
52
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/6943f447-7f4b-4108-92c3-15e27c01d2ed/
Detection(s):
SecuriteInfo.com.Linux.Mirai-19.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sends data to a server
Connection attempt
Receives data from a server
Runs as daemon
Launching a process
Traces processes
Substitutes an application name
Deleting of the original file
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
2
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b686ee7f93768a14799dc52ef58b87583decd0b10a4efa73c4cb2a971b942da3
Behaviour
Process Renaming
Anti-Debugging
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-07-06T11:33:00Z UTC
Last seen:
2026-07-07T12:58:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b686ee7f93768a14799dc52ef58b87583decd0b10a4efa73c4cb2a971b942da3/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/5cb724c7-7eed-4dc6-a5f5-95b9646adc53
Behavior Graph:
Download SVG
%3 guuid=54ddfc7a-1e00-0000-79eb-410a37140000 pid=5175 /usr/bin/sudo guuid=b97f437d-1e00-0000-79eb-410a38140000 pid=5176 /tmp/sample.bin delete-file mprotect-exec net guuid=54ddfc7a-1e00-0000-79eb-410a37140000 pid=5175->guuid=b97f437d-1e00-0000-79eb-410a38140000 pid=5176 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=b97f437d-1e00-0000-79eb-410a38140000 pid=5176->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=7b4f047e-1e00-0000-79eb-410a39140000 pid=5177 /usr/bin/dash guuid=b97f437d-1e00-0000-79eb-410a38140000 pid=5176->guuid=7b4f047e-1e00-0000-79eb-410a39140000 pid=5177 execve guuid=89bca47e-1e00-0000-79eb-410a3b140000 pid=5179 /tmp/sample.bin net send-data zombie guuid=b97f437d-1e00-0000-79eb-410a38140000 pid=5176->guuid=89bca47e-1e00-0000-79eb-410a3b140000 pid=5179 clone guuid=57513b7e-1e00-0000-79eb-410a3a140000 pid=5178 /usr/bin/uname guuid=7b4f047e-1e00-0000-79eb-410a39140000 pid=5177->guuid=57513b7e-1e00-0000-79eb-410a3a140000 pid=5178 execve guuid=89bca47e-1e00-0000-79eb-410a3b140000 pid=5179->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 2475B 32d458a0-a40f-565e-b5ae-91358dd4506a 115.11.111.11:22 guuid=89bca47e-1e00-0000-79eb-410a3b140000 pid=5179->32d458a0-a40f-565e-b5ae-91358dd4506a send: 4B guuid=ee09b47e-1e00-0000-79eb-410a3c140000 pid=5180 /tmp/sample.bin guuid=89bca47e-1e00-0000-79eb-410a3b140000 pid=5179->guuid=ee09b47e-1e00-0000-79eb-410a3c140000 pid=5180 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cab3010a-0b1e-43b1-af83-c0924dceadcb
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1937981
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1937981 Sample: atomic.x86_64.elf Startdate: 06/07/2026 Architecture: LINUX Score: 80 23 109.202.202.202, 80 INIT7CH Switzerland 2->23 25 91.189.91.42, 443 CANONICAL-ASGB United States 2->25 27 2 other IPs or domains 2->27 29 Malicious sample detected (through community Yara rule) 2->29 31 Antivirus / Scanner detection for submitted sample 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 2 other signatures 2->35 8 atomic.x86_64.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 signatures5 37 Sample deletes itself 8->37 15 atomic.x86_64.elf sh 8->15         started        17 atomic.x86_64.elf 8->17         started        process6 process7 19 sh uname 15->19         started        21 atomic.x86_64.elf 17->21         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b686ee7f93768a14799dc52ef58b87583decd0b10a4efa73c4cb2a971b942da3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b686ee7f93768a14799dc52ef58b87583decd0b10a4efa73c4cb2a971b942da3/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-06 14:45:57 UTC
File Type:
ELF64 Little (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w2do474to2fbi6m5yuxplc4hla66zufrbjhpu46ezmvjog4ufwrq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
linux upx
Link:
https://tria.ge/reports/260706-r3gy9sgt7s/
Behaviour
Writes file to tmp directory
Changes its process name
Deletes itself
Traces itself
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/b686ee7f93768a14799dc52ef58b87583decd0b10a4efa73c4cb2a971b942da3

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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 b686ee7f93768a14799dc52ef58b87583decd0b10a4efa73c4cb2a971b942da3

(this sample)

Mirai

elf 98d6f070e93ac3f3fe4f31b3ffb95fa91fe34a32bd60fb7cd40c9b627d479e32

  
URLhaus
https://urlhaus.abuse.ch/url/3881643/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 98d6f070e93ac3f3fe4f31b3ffb95fa91fe34a32bd60fb7cd40c9b627d479e32
  
Dropping
MD5 f3a4d210714facf74193acd93ec050df

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