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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7c2501f254c3d15c75e02c66f4bcba5c09452d404587d561fab224582cedbf0. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b7c2501f254c3d15c75e02c66f4bcba5c09452d404587d561fab224582cedbf0
SHA3-384 hash: da5f5b55757e401879c10d416de416bf81751c6450be90c5f04c286fa8ea6faa396a7080ae8508600a8de79abe079b0d
SHA1 hash: 2699dd0b96913618ba311e63f47c98f3f03df4f2
MD5 hash: 9b06299efe6825f17d952fa4b0fe694e
humanhash: lithium-blossom-orange-purple
File name:arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:110'512 bytes
First seen:2026-09-25 16:57:34 UTC
Last seen:2026-09-25 19:20:10 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:ef2FDaR6nrCzn79MCY1FKZxpl1dXXFsTfKiIT4uhPJMiXpHywg4wm:ef2zCv/Blr1s+z8KpHgC
TLSH T180B312D30E78BA30A06029B6D59802CDF74FFABDE15CB1FE65C41795816D00374EEA82
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :110'512 bytes
File size (de-compressed) :252'416 bytes
Format:linux/arm
Unpacked file: 68dd80fa54cc6c5f286b7320dc1a849d835bc9af6c5897da872dd0efefa66494

Intelligence

File Origin
# of uploads :
2
# of downloads :
72
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/70627c6f-1923-4889-b1f6-4e3040294e49/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Opens a port
Launching a process
Sets a written file as executable
Runs as daemon
Kills processes
Creates directories
Changes access rights for a written file
Connection attempt
Manages services
Changes the time when the file was created, accessed, or modified
Mounts file systems
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Creates or modifies files to set up autorun
Deleting of the original file
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6ab6a82897994182f00d8fd3/reports/03b6d926-26b4-4662-b9ab-88816ef2ecfa/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-09-25T14:53:00Z UTC
Last seen:
2026-09-26T22:38:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b7c2501f254c3d15c75e02c66f4bcba5c09452d404587d561fab224582cedbf0/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a86c28d0-440c-4530-831b-cd9ec842f5d8
Behavior Graph:
Download SVG
%3 guuid=ceda4adf-1f00-0000-cd63-91ac990a0000 pid=2713 /usr/bin/sudo guuid=18b93de4-1f00-0000-cd63-91ac9c0a0000 pid=2716 /tmp/sample.bin guuid=ceda4adf-1f00-0000-cd63-91ac990a0000 pid=2713->guuid=18b93de4-1f00-0000-cd63-91ac9c0a0000 pid=2716 execve
Malware family:
Ngioweb
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/75f39476-021f-45cc-8ea6-0b6a6e207780
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1978296
Signature
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Protects files from modification
Sample deletes itself
Sample is packed with UPX
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Writes ELF files to hidden directories
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1978296 Sample: arm7.elf Startdate: 25/09/2026 Architecture: LINUX Score: 100 81 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->81 83 217.60.103.135, 35342, 57688, 57690 HOSTSNAP-NETWORK-HostSNAPLLCUS Switzerland 2->83 91 Multi AV Scanner detection for submitted file 2->91 93 Yara detected Mirai 2->93 95 Sample is packed with UPX 2->95 12 arm7.elf 2->12         started        14 systemd snap-failure 2->14         started        16 systemd snapd-env-generator 2->16         started        18 4 other processes 2->18 signatures3 process4 process5 20 arm7.elf 12->20         started        22 snap-failure systemctl 14->22         started        24 snap-failure 14->24         started        process6 26 arm7.elf 20->26         started        process7 28 arm7.elf 26->28         started        file8 73 /var/tmp/.cache/sysd, ELF 28->73 dropped 75 /etc/systemd/system/system-service.service, ASCII 28->75 dropped 77 /etc/rc.local, POSIX 28->77 dropped 79 /etc/init.d/system-service, POSIX 28->79 dropped 105 Sample tries to set files in /etc globally writable 28->105 107 Writes ELF files to hidden directories 28->107 109 Drops files in suspicious directories 28->109 111 2 other signatures 28->111 32 arm7.elf 28->32         started        36 arm7.elf sh 28->36         started        38 arm7.elf sh 28->38         started        40 6 other processes 28->40 signatures9 process10 file11 67 /root/.bashrc, ASCII 32->67 dropped 69 /etc/profile, ASCII 32->69 dropped 85 Sample tries to persist itself using /etc/profile 32->85 87 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 32->87 42 arm7.elf chattr 32->42         started        45 arm7.elf busybox 32->45         started        47 arm7.elf busybox 32->47         started        58 292 other processes 32->58 49 sh crontab 36->49         started        52 sh 36->52         started        54 sh update-rc.d 38->54         started        89 Sample reads /proc/mounts (often used for finding a writable filesystem) 40->89 56 sh crontab 40->56         started        60 2 other processes 40->60 signatures12 process13 file14 97 Protects files from modification 42->97 71 /var/spool/cron/crontabs/tmp.UPvaeH, ASCII 49->71 dropped 99 Sample tries to persist itself using cron 49->99 101 Executes the "crontab" command typically for achieving persistence 49->101 62 sh crontab 52->62         started        103 Sample tries to persist itself using System V runlevels 54->103 65 update-rc.d systemctl 54->65         started        signatures15 process16 signatures17 113 Executes the "crontab" command typically for achieving persistence 62->113
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b7c2501f254c3d15c75e02c66f4bcba5c09452d404587d561fab224582cedbf0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b7c2501f254c3d15c75e02c66f4bcba5c09452d404587d561fab224582cedbf0/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-09-25 16:58:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w7bfahzfjq6rlr26aldg6s6luxajiuwuarmh2vq7vmrelawo3pya._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260925-vgw3vafh38/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Modifies Bash startup script
Reads process memory
UPX packed file
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Deletes itself
Modifies the /etc/hosts DNS resolution file
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/b7c2501f254c3d15c75e02c66f4bcba5c09452d404587d561fab224582cedbf0

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_IoT_DVR_Botnet_Hama_UPX
Create hunting rule
Author:Serhii Kocherhan
Description:Detects packed and unpacked ELF IoT/DVR botnet variants targeting UPX compression structures and uncompressed code
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 b7c2501f254c3d15c75e02c66f4bcba5c09452d404587d561fab224582cedbf0

(this sample)

Mirai

elf 68dd80fa54cc6c5f286b7320dc1a849d835bc9af6c5897da872dd0efefa66494

  
URLhaus
https://urlhaus.abuse.ch/url/3921986/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 68dd80fa54cc6c5f286b7320dc1a849d835bc9af6c5897da872dd0efefa66494
  
Dropping
MD5 23142d6ac83b9a0232364555ec4c1f56

Comments