MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b622a7b848a9846e2af4f8f985777bb8d095b8eb56d57a502f97d446cfe82e9b. 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 5 File information Comments

SHA256 hash: b622a7b848a9846e2af4f8f985777bb8d095b8eb56d57a502f97d446cfe82e9b
SHA3-384 hash: 6f255d52f535814836359912f277940ff5df6e7e5c41101adf07289e9a3745c27c0b199c8556c29e60b063f820f2b6dc
SHA1 hash: 47e476c1a616eca959b27473ab92ef7390f6c27f
MD5 hash: c974c2bfb758c06d61030b8af0ce270e
humanhash: magnesium-video-salami-red
File name:edu.arm7
Download: download sample
Signature Mirai
File size:114'256 bytes
First seen:2025-10-05 22:28:32 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:c5y54Fufl0PrmmtqWgBaW8+ZrUiauD2rTb3Du+p00FW:iW0Pr/tqWgBab+ZzauD2rTTdprFW
TLSH T150B3395AFD819B01D4C526BAFE0E528C33134BBCE3EEB112EE245B2527C695B4F7A405
telfhash t118c08c7083435148132ad40202ed126d337ef43b0f03401085482f6bc65b081a007257
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
51
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Kills processes
DNS request
Runs as daemon
Creating a file
Sends data to a server
Connection attempt
Substitutes an application name
Deleting of the original file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
147
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-05T19:29:00Z UTC
Last seen:
2025-10-06T22:08:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=0819b97b-1900-0000-e19d-7ae8760c0000 pid=3190 /usr/bin/sudo guuid=2553897e-1900-0000-e19d-7ae8790c0000 pid=3193 /tmp/sample.bin guuid=0819b97b-1900-0000-e19d-7ae8760c0000 pid=3190->guuid=2553897e-1900-0000-e19d-7ae8790c0000 pid=3193 execve
Result
Threat name:
Mirai, Moobot
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Yara detected Moobot
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1789428 Sample: edu.arm7.elf Startdate: 06/10/2025 Architecture: LINUX Score: 76 18 79.137.204.114, 39168, 39180, 39192 PSKSET-ASRU Russian Federation 2->18 20 158.94.209.198, 56406, 56418, 56430 JANETJiscServicesLimitedGB United Kingdom 2->20 22 4 other IPs or domains 2->22 24 Antivirus / Scanner detection for submitted sample 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Moobot 2->28 30 Yara detected Mirai 2->30 9 edu.arm7.elf 2->9         started        signatures3 process4 signatures5 32 Sample deletes itself 9->32 12 edu.arm7.elf 9->12         started        process6 process7 14 edu.arm7.elf 12->14         started        process8 16 edu.arm7.elf 14->16         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-10-05 22:29:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery
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
Deletes itself
Modifies Watchdog functionality
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 b622a7b848a9846e2af4f8f985777bb8d095b8eb56d57a502f97d446cfe82e9b

(this sample)

  
Delivery method
Distributed via web download

Comments