MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb622405f6ac270c118cd5abcf742ff598d2c7e153b59b024d6eb740e930ce43. 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: cb622405f6ac270c118cd5abcf742ff598d2c7e153b59b024d6eb740e930ce43
SHA3-384 hash: e9e0eea6a6a3afc3110cbc3fd2fe63fb436e04e9735c4faa2c31b3d2ee6298ade663c4bd07e14a65de68db1c2e6d1aab
SHA1 hash: ef6edadf3ad62868b781ce81897c1614ced5fb66
MD5 hash: 88644aacf83fd6ae5e25f4e323730a43
humanhash: wolfram-mango-beer-magnesium
File name:arm7
Download: download sample
Signature Mirai
File size:145'565 bytes
First seen:2025-07-25 22:38:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:WKtgDEGZ+rdV3aQAMuM/qCV7Bc+W7uhGERFbDM/9zhMOy8:4rZ+rL3aQAMuM/xVN2ShGOdM/9zK8
TLSH T1FCE32B46FA408B13C4D6177ABADF424533239B5493DB73069928BFB43F8679E0E63605
telfhash t15621ed326760111659a2dc60dcee93b2212983132344ef33df36c4cc241a09aea2bc8f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
22
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Creating a file
Receives data from a server
Connection attempt
DNS request
Mounts file systems
Runs as daemon
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc mirai rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=82f87ffd-1600-0000-f462-549a250d0000 pid=3365 /usr/bin/sudo guuid=f2663900-1700-0000-f462-549a2a0d0000 pid=3370 /tmp/sample.bin guuid=82f87ffd-1600-0000-f462-549a250d0000 pid=3365->guuid=f2663900-1700-0000-f462-549a2a0d0000 pid=3370 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1744427 Sample: arm7.elf Startdate: 26/07/2025 Architecture: LINUX Score: 76 40 Antivirus / Scanner detection for submitted sample 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected Mirai 2->44 46 Contains symbols with names commonly found in malware 2->46 8 arm7.elf 2->8         started        10 udisksd dumpe2fs 2->10         started        12 udisksd dumpe2fs 2->12         started        14 20 other processes 2->14 process3 process4 16 arm7.elf 8->16         started        process5 18 arm7.elf 16->18         started        20 arm7.elf 16->20         started        22 arm7.elf 16->22         started        24 10 other processes 16->24 process6 26 arm7.elf 18->26         started        28 arm7.elf 20->28         started        30 arm7.elf 22->30         started        32 arm7.elf 24->32         started        34 arm7.elf 24->34         started        36 arm7.elf 24->36         started        38 6 other processes 24->38
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-07-25 22:39:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 35 (42.86%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Behaviour
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
Renames itself
Unexpected DNS network traffic destination
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9760303-0
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:MAL_ARM_LNX_Mirai_Mar13_2022
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 cb622405f6ac270c118cd5abcf742ff598d2c7e153b59b024d6eb740e930ce43

(this sample)

  
Delivery method
Distributed via web download

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