MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b637e6cd5c73891ddd3120edd4586f7390d3b3b9f9b7bacddfef936dd5cfa931. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b637e6cd5c73891ddd3120edd4586f7390d3b3b9f9b7bacddfef936dd5cfa931
SHA3-384 hash: e32340936e0ff1610fd3d6e3f28d0944dfaf3f04216b373a8fb2a1360b0ceb6893ecb3830cf6fd8699990a2e09228ebc
SHA1 hash: 712d9f9d9563e45338432457ef8e73e8a9e8b00a
MD5 hash: f9f613a75bf36daa7e50e43c1b1abe06
humanhash: bakerloo-pluto-kentucky-four
File name:arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:165'631 bytes
First seen:2026-01-19 07:33:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:pOWOHCxKxYJ9q6cGazq+PZRr1JkomNZ2J7RwbZnYg2TnxVM/9MIPui:pObHCxIYJ9kGazq+PZR5J+N8JVwRYg2Q
TLSH T154F33A46EB414A13C4C61776FA9F42493323A764D3EB33069924BFB47F86B9E0E27506
telfhash t17a21ce3157215519aa61dd60dcee67b2252887171784eb33cf26c4cc641a09eea3bc4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
63
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/ffd993b4-65cc-48e1-ac1d-0bd883736b1a/
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Dropper.Mirai-7135928-0
Create hunting rule

Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Result
Gathering data
Verdict:
Malicious
File Type:
ELF 32 LE
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.c
Link:
https://opentip.kaspersky.com/b637e6cd5c73891ddd3120edd4586f7390d3b3b9f9b7bacddfef936dd5cfa931/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/bd250321-e96b-4253-90f5-cac82ee2770e
Behavior Graph:
Download SVG
%3 guuid=dde3f143-1a00-0000-8588-f848140b0000 pid=2836 /usr/bin/sudo guuid=e9ba3f47-1a00-0000-8588-f848180b0000 pid=2840 /tmp/sample.bin guuid=dde3f143-1a00-0000-8588-f848140b0000 pid=2836->guuid=e9ba3f47-1a00-0000-8588-f848180b0000 pid=2840 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5dbd1d9c-d8eb-45d3-a6c1-066516696bdb
Result
Threat name:
Mirai, Moobot
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1853180
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Yara detected Moobot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1853180 Sample: arm7.elf Startdate: 19/01/2026 Architecture: LINUX Score: 100 26 alanbotnet.dpdns.org 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 3 other signatures 2->34 8 arm7.elf 2->8         started        11 xfce4-panel wrapper-2.0 2->11         started        13 gnome-session-binary sh gsd-media-keys 2->13         started        15 7 other processes 2->15 signatures3 process4 signatures5 38 Sample deletes itself 8->38 17 arm7.elf 8->17         started        19 wrapper-2.0 xfpm-power-backlight-helper 11->19         started        process6 process7 21 arm7.elf 17->21         started        24 arm7.elf 17->24         started        signatures8 36 Sample tries to kill multiple processes (SIGKILL) 21->36
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b637e6cd5c73891ddd3120edd4586f7390d3b3b9f9b7bacddfef936dd5cfa931
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b637e6cd5c73891ddd3120edd4586f7390d3b3b9f9b7bacddfef936dd5cfa931/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b637e6cd5c73891ddd3120edd4586f7390d3b3b9f9b7bacddfef936dd5cfa931
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wy36ntk4ooer3xjredw5iwdpooinhm5z7g33vto756jw3vopveyq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai credential_access discovery
Link:
https://tria.ge/reports/260119-jecewads2g/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Deletes itself
Malware Config
C2 Extraction:
alanbotnet.dpdns.org
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7100807-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_2 Mirai_Botnet_Malware
Link:
https://app.threat.zone/submission/68903021-37c5-4945-bca2-054e559e7bc4
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/b637e6cd5c73891ddd3120edd4586f7390d3b3b9f9b7bacddfef936dd5cfa931

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Create hunting rule
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 b637e6cd5c73891ddd3120edd4586f7390d3b3b9f9b7bacddfef936dd5cfa931

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3741632/
  
Delivery method
Distributed via web download

Comments