MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87bb4e94aacd4a3f16b5d59e41f00831610b51b238c26d500d26e1b7b4b557d8. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: 87bb4e94aacd4a3f16b5d59e41f00831610b51b238c26d500d26e1b7b4b557d8
SHA3-384 hash: 2e28401cac5e5f9967df894c37132d42579cc0d96fbffeb0791f6701cc699e88fdd4ec514478f1b57caf1f05a777504c
SHA1 hash: b0418726f3534fb73749dc72e6b9a03a2ac6c5ce
MD5 hash: 1cd44f924033961fb8114753077711a8
humanhash: white-hydrogen-foxtrot-whiskey
File name:arm7
Download: download sample
Signature Mirai
File size:79'228 bytes
First seen:2025-09-21 21:45:30 UTC
Last seen:2025-11-05 04:07:42 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:I5naNk+v8Uf0kSFIeS3Oapf+4vrJCCfdQHjvhlViKMQXdlGUik+P++:1k888SFIeSFHvIC1ajvhlViKiW+PB
TLSH T12A73E649BC819F15D5E822BAFE1E018D33275BA8E3EEB212DD105F15778A91F0E77902
telfhash t169e02bb0ca1ce4ccaa60a1dcd1ee4d1e4cfa73b02b11005ee6610b5a40130c6327985f
Magika elf
Reporter abuse_ch
Tags:89-110-95-186 elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
39
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Creating a file
Runs as daemon
Opens a port
Sends data to a server
Connection attempt
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
52
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-21T19:58:00Z UTC
Last seen:
2025-09-21T19:58:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=c7d673fc-1800-0000-f226-2e12890c0000 pid=3209 /usr/bin/sudo guuid=cae929fe-1800-0000-f226-2e128d0c0000 pid=3213 /tmp/sample.bin guuid=c7d673fc-1800-0000-f226-2e12890c0000 pid=3209->guuid=cae929fe-1800-0000-f226-2e128d0c0000 pid=3213 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1781646 Sample: arm7.elf Startdate: 21/09/2025 Architecture: LINUX Score: 48 18 64.22.117.158 ZCOLO-ATL01US United States 2->18 20 165.57.118.4 ZAMTELZM Zambia 2->20 22 99 other IPs or domains 2->22 24 Multi AV Scanner detection for submitted file 2->24 8 arm7.elf 2->8         started        signatures3 process4 process5 10 arm7.elf 8->10         started        process6 12 arm7.elf 10->12         started        14 arm7.elf 10->14         started        16 arm7.elf 10->16         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-09-21 21:46:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Modifies Watchdog functionality
Renames itself
Unexpected DNS network traffic destination
Contacts a large (177511) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-1
YARA:
n/a
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:Linux_Generic_Threat_8299c877
Author:Elastic Security
Rule name:unixredflags3
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 87bb4e94aacd4a3f16b5d59e41f00831610b51b238c26d500d26e1b7b4b557d8

(this sample)

  
Delivery method
Distributed via web download

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