MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90bb1e4123e55608ca52c88b67ac60afe9b0c00202ba79755948f1dfe3be705b. 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: 7


Intelligence 7 IOCs YARA 17 File information Comments

SHA256 hash: 90bb1e4123e55608ca52c88b67ac60afe9b0c00202ba79755948f1dfe3be705b
SHA3-384 hash: a2302f1db5d0a455a317b5628e120f2dce9a39b995c5877dd656a335fb99cbb3102991394b92707122d3e753c7724bec
SHA1 hash: fd6963d564a810c673e90291d12fe348b37a782c
MD5 hash: c7ae86e21c835222c37f7280070ba2e0
humanhash: vermont-three-dakota-floor
File name:wlan.arm5
Download: download sample
Signature Mirai
File size:3'990'816 bytes
First seen:2026-03-26 22:09:13 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:GTMhuG+GY4tc8m0EskcydFBcgsiEoLbihRmt40++wP3SLPbn:GTMhD+GYx8myAXfseLb8u4cg3Svn
TLSH T140065A22BC90CE62CBC066BAFB5E829C73135B75D2DF71068D14473436EB95A0E3B652
telfhash t12ae022b08aba52f073c00ce451ebe83266a3219c33863726472488586e0bfc11911c37
Magika elf
Reporter abuse_ch
Tags:elf Hajime mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
49
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes access rights for a written file
Connection attempt
Runs as daemon
Kills processes
Opens a port
Collects information on the RAM
Launching a process
Locks files
Sends data to a server
DNS request
Creating a process from a recently created file
Creating a file
Collects information on the CPU
Creating a file in the %temp% directory
Collects information on the network activity
Manages services
Changes the time when the file was created, accessed, or modified
Receives data from a server
Sets a written file as executable
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Performs a bruteforce attack in the network
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
base64 bash expand gcc hajime lolbin masquerade rust
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=60245dae-1a00-0000-d12b-a41a500a0000 pid=2640 /usr/bin/sudo guuid=310e49b0-1a00-0000-d12b-a41a580a0000 pid=2648 /tmp/sample.bin guuid=60245dae-1a00-0000-d12b-a41a500a0000 pid=2640->guuid=310e49b0-1a00-0000-d12b-a41a580a0000 pid=2648 execve
Threat name:
Linux.Trojan.Hajime
Status:
Malicious
First seen:
2026-03-26 22:10:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
3 of 36 (8.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm credential_access defense_evasion discovery execution persistence privilege_escalation
Behaviour
Reads runtime system information
Writes file to shm directory
Writes file to tmp directory
Changes its process name
Checks CPU configuration
Reads CPU attributes
Reads system network configuration
Modifies Bash startup script
Reads process memory
Creates/modifies Cron job
Creates/modifies environment variables
Modifies init.d
Modifies rc script
Modifies systemd
Reads network interface configuration
Reads system routing table
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:APT_Bitter_ZxxZ_Downloader
Author:SECUINFRA Falcon Team (@SI_FalconTeam)
Description:Detects Bitter (T-APT-17) ZxxZ Downloader
Reference:https://www.secuinfra.com/en/techtalk/whatever-floats-your-boat-bitter-apt-continues-to-target-bangladesh
Rule name:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
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:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:Linux_Generic_Threat_1ac392ca
Author:Elastic Security
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:WHIRLPOOL_Constants
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 90bb1e4123e55608ca52c88b67ac60afe9b0c00202ba79755948f1dfe3be705b

(this sample)

  
Delivery method
Distributed via web download

Comments