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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 acb8e33e0fac225cd511f8fbf0ee3609b5d2b351406ddec96366b94469924b6a. 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: acb8e33e0fac225cd511f8fbf0ee3609b5d2b351406ddec96366b94469924b6a
SHA3-384 hash: 49a7319d1d154d66c96e8ec304ad61e7969b021e9ddd1de26e24bd272b45aa4fa295775f2a99792c6f707a1a4e384c78
SHA1 hash: 0516e5adb0466e6722121feea38262c9ee17c576
MD5 hash: 5b2251a79f9320294e158bb448cf87fd
humanhash: berlin-undress-salami-carpet
File name:arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:62'976 bytes
First seen:2026-10-09 23:48:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:AIGeywL3X41UGdkESpH9iI8kwRPJhDS+XsfI:AHBwLAUGepB9mPJhZXsQ
TLSH T15F530222673166B1D14849F6E82043C7A04CD9FEAC75307F2A6B70E478A6DD867F60AC
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 UPX
File size (compressed) :62'976 bytes
File size (de-compressed) :137'336 bytes
Format:linux/arm
Unpacked file: fa4d860ed9b5f99a747848ff0a65fb29ce1441208b7989b706a2dad6aae3120d

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/12870c91-f80d-47d7-a2a2-112014f1aafc/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Mounts file systems
Connection attempt
Sets a written file as executable
Launching a process
Receives data from a server
Manages services
Runs as daemon
Changes access rights for a written file
Sends data to a server
Creates directories
Changes the time when the file was created, accessed, or modified
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6ac97d7f1f2e6b56f185c626/reports/5c71435e-1173-48e0-bb35-6c70bd4f6940/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-10-09T21:32:00Z UTC
Last seen:
2026-10-11T12:52:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/acb8e33e0fac225cd511f8fbf0ee3609b5d2b351406ddec96366b94469924b6a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/df10cca2-975b-4e1e-9866-1fd96fc72c10
Behavior Graph:
Download SVG
%3 guuid=1cf258ce-1a00-0000-c461-fa2075080000 pid=2165 /usr/bin/sudo guuid=f0cb39d1-1a00-0000-c461-fa2079080000 pid=2169 /tmp/sample.bin guuid=1cf258ce-1a00-0000-c461-fa2075080000 pid=2165->guuid=f0cb39d1-1a00-0000-c461-fa2079080000 pid=2169 execve
Malware family:
Ngioweb
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/11197383-e5e8-4304-a243-a2b0979551a4
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1985125
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1985125 Sample: arm7.elf Startdate: 10/10/2026 Architecture: LINUX Score: 96 77 217.60.103.135, 35342, 56556 HOSTSNAP-NETWORK-HostSNAPLLCUS Switzerland 2->77 79 46.247.108.106, 50788 FLORIANKOLBDE Germany 2->79 81 Multi AV Scanner detection for submitted file 2->81 83 Sample is packed with UPX 2->83 12 arm7.elf 2->12         started        14 systemd snapd-env-generator 2->14         started        16 systemd snapd-env-generator 2->16         started        18 systemd snapd-env-generator 2->18         started        signatures3 process4 process5 20 arm7.elf 12->20         started        process6 22 arm7.elf 20->22         started        process7 24 arm7.elf 22->24         started        file8 63 /var/tmp/.cache/sysd, ELF 24->63 dropped 65 /etc/systemd/system/system-service.service, ASCII 24->65 dropped 67 /etc/rc.local, POSIX 24->67 dropped 69 /etc/init.d/system-service, POSIX 24->69 dropped 93 Sample tries to set files in /etc globally writable 24->93 95 Writes ELF files to hidden directories 24->95 97 Drops files in suspicious directories 24->97 99 2 other signatures 24->99 28 arm7.elf 24->28         started        32 arm7.elf sh 24->32         started        34 arm7.elf sh 24->34         started        36 7 other processes 24->36 signatures9 process10 file11 71 /root/.bashrc, ASCII 28->71 dropped 73 /etc/profile, ASCII 28->73 dropped 103 Sample tries to persist itself using /etc/profile 28->103 105 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 28->105 38 arm7.elf chattr 28->38         started        41 arm7.elf busybox 28->41         started        43 arm7.elf chattr 28->43         started        54 9 other processes 28->54 45 sh crontab 32->45         started        48 sh 32->48         started        50 sh update-rc.d 34->50         started        107 Sample reads /proc/mounts (often used for finding a writable filesystem) 36->107 52 sh crontab 36->52         started        56 3 other processes 36->56 signatures12 process13 file14 85 Protects files from modification 38->85 75 /var/spool/cron/crontabs/tmp.hHwMNc, ASCII 45->75 dropped 87 Sample tries to persist itself using cron 45->87 89 Executes the "crontab" command typically for achieving persistence 45->89 58 sh crontab 48->58         started        91 Sample tries to persist itself using System V runlevels 50->91 61 update-rc.d systemctl 50->61         started        signatures15 process16 signatures17 101 Executes the "crontab" command typically for achieving persistence 58->101
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/acb8e33e0fac225cd511f8fbf0ee3609b5d2b351406ddec96366b94469924b6a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/acb8e33e0fac225cd511f8fbf0ee3609b5d2b351406ddec96366b94469924b6a/
Threat name:
Linux.Trojan.MiraiDdos
Create hunting rule
Status:
Malicious
First seen:
2026-10-09 23:49:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vs4ogpqpvqrfzvir7d57b3rwbg25fm2ribw55sldm24ui2msjnva._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/261009-3t4mfsxw8j/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
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.

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 acb8e33e0fac225cd511f8fbf0ee3609b5d2b351406ddec96366b94469924b6a

(this sample)

Mirai

elf fa4d860ed9b5f99a747848ff0a65fb29ce1441208b7989b706a2dad6aae3120d

  
URLhaus
https://urlhaus.abuse.ch/url/3921986/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 fa4d860ed9b5f99a747848ff0a65fb29ce1441208b7989b706a2dad6aae3120d
  
Dropping
MD5 f0a066f11559c8cffef7cfe9a9993b38

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