MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a8adbdd2265926e4114ef47c6e1a9d74c2c6cdd8e0640e49eca36c06fa2259e. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7a8adbdd2265926e4114ef47c6e1a9d74c2c6cdd8e0640e49eca36c06fa2259e
SHA3-384 hash: fecd9b4ca0b1713f8cb34de32cfc935e4410a7e1348b8ca2d0e032e7efc2f27ea4e85f10ab96aa619d81293bd8d8b6b4
SHA1 hash: a719f287eaf7177f09755d05bbbd6e56d44bb3c3
MD5 hash: c69a7c34eb4008f4238617ad536bb94a
humanhash: fourteen-one-yellow-steak
File name:nova.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:109'200 bytes
First seen:2025-12-18 13:55:59 UTC
Last seen:2025-12-19 02:19:58 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:BtbG8ocyFfrEsE561Qa6NVz5UKJl5fezm8RY42jx140u:BZG8ocyFf4uQa6NVz5DJbey8yb40u
TLSH T15EB31A55B9819F12D4D221FAFEAE418833136BB8D3FA7112CD206F5027CA99B0F77652
telfhash t14ef00e859ac0009c67d0430dd2af9e2ac9717af037811000ef2e68cf24734d5303ec39
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
3
# of downloads :
49
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/db854ce8-bcb1-4aa7-a2e1-1181087a0612/
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28959.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135868-0
Create hunting rule

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135891-0
Create hunting rule

Unix.Dropper.Mirai-7135892-0
Create hunting rule

Unix.Dropper.Mirai-7135898-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Dropper.Mirai-7136034-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10027280-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Kills processes
Sends data to a server
DNS request
Connection attempt
Kills critical processes
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt gcc masquerade mirai rust
Link:
https://www.filescan.io/uploads/694407fe3f8fdbf8e94adeaf/reports/0fec2eef-83a7-4be8-9bba-ff44fa86a1e2/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-18T11:04:00Z UTC
Last seen:
2025-12-19T00:31:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.ew HEUR:Backdoor.Linux.Mirai.c HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.es HEUR:Backdoor.Linux.Mirai.a HEUR:Backdoor.Linux.Gafgyt.bl
Link:
https://opentip.kaspersky.com/7a8adbdd2265926e4114ef47c6e1a9d74c2c6cdd8e0640e49eca36c06fa2259e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c73d1b1a-2651-4730-9098-8a179acd37cc
Behavior Graph:
Download SVG
%3 guuid=e18079c9-1600-0000-d195-eda0590f0000 pid=3929 /usr/bin/sudo guuid=5ee138cb-1600-0000-d195-eda0620f0000 pid=3938 /tmp/sample.bin guuid=e18079c9-1600-0000-d195-eda0590f0000 pid=3929->guuid=5ee138cb-1600-0000-d195-eda0620f0000 pid=3938 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c248a227-6386-4325-a06b-5d32ba66aab6
Result
Threat name:
Okiru
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1835685
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1835685 Sample: nova.arm7.elf Startdate: 18/12/2025 Architecture: LINUX Score: 88 55 206.59.4.1, 23 WAYPORTUS United States 2->55 57 116.98.104.234, 23 VIETTEL-AS-VNViettelCorporationVN Viet Nam 2->57 59 100 other IPs or domains 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus / Scanner detection for submitted sample 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 Yara detected Okiru 2->67 8 nova.arm7.elf 2->8         started        10 systemd gpu-manager 2->10         started        12 systemd gpu-manager 2->12         started        14 82 other processes 2->14 signatures3 process4 signatures5 17 nova.arm7.elf 8->17         started        19 nova.arm7.elf 8->19         started        22 nova.arm7.elf 8->22         started        24 gpu-manager sh 10->24         started        26 gpu-manager sh 10->26         started        28 gpu-manager sh 10->28         started        30 2 other processes 10->30 32 5 other processes 12->32 77 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->77 34 16 other processes 14->34 process6 signatures7 36 nova.arm7.elf 17->36         started        49 4 other processes 17->49 69 Sample tries to kill a massive number of system processes 19->69 71 Sample tries to kill multiple processes (SIGKILL) 19->71 39 sh grep 24->39         started        41 sh grep 26->41         started        43 sh grep 28->43         started        45 sh grep 30->45         started        47 sh grep 30->47         started        51 5 other processes 32->51 53 5 other processes 34->53 process8 signatures9 73 Sample tries to kill a massive number of system processes 36->73 75 Sample tries to kill multiple processes (SIGKILL) 36->75
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/7a8adbdd2265926e4114ef47c6e1a9d74c2c6cdd8e0640e49eca36c06fa2259e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7a8adbdd2265926e4114ef47c6e1a9d74c2c6cdd8e0640e49eca36c06fa2259e/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/7a8adbdd2265926e4114ef47c6e1a9d74c2c6cdd8e0640e49eca36c06fa2259e
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-18 13:56:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pkfnxxjcmwjg4qiu55d4nynj25gcy3g5rydebze6zi3ma35cewpa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora defense_evasion discovery
Link:
https://tria.ge/reports/251218-q8wtyawngj/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (70239) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai Unix.Dropper.Mirai-7135868-0
YARA:
Linux_Trojan_Mirai_0bce98a2
Link:
https://app.threat.zone/submission/d78ac5b7-e21a-452c-ac32-a38db7d3f885
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/7a8adbdd2265926e4114ef47c6e1a9d74c2c6cdd8e0640e49eca36c06fa2259e

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0bce98a2
Create hunting rule
Author:Elastic Security
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 7a8adbdd2265926e4114ef47c6e1a9d74c2c6cdd8e0640e49eca36c06fa2259e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3735622/
  
Delivery method
Distributed via web download

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