MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20037ee6591f1da84643535bfa8fd92f5f21bd8543a4061fa93caa6e870375b1. 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 24 File information Comments

SHA256 hash: 20037ee6591f1da84643535bfa8fd92f5f21bd8543a4061fa93caa6e870375b1
SHA3-384 hash: d5a3e236fd2180da06729a74a99d5041dea8632640ce62601dec6adc32e4a257c29c25de10fd4752645603a63cdd0b55
SHA1 hash: 8d9886d08a932a602516a70254950f449324d4d1
MD5 hash: ae4f1f70d3a0acfb050f1ff3920cf5fc
humanhash: fix-missouri-red-bakerloo
File name:wlan.arm
Download: download sample
Signature Mirai
File size:3'994'120 bytes
First seen:2026-03-26 21:33:05 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:9LUoF2nkanaWlXh/ZwF14akLagbEOadCF+sKIruFPez:9goF0kAaWhh/ZYO+OadCL5ruUz
TLSH T108064B62BC90CA52CBC066BAFB5E869C77135B75D2EF70058D04473437EB95A0E3BA42
telfhash t112e0df00f9da26a57096167814badd27823b135e9b142a311f1872be9f45ec23e218e3
Magika elf
Reporter abuse_ch
Tags:elf Hajime mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
58
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
Locks files
Launching a process
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
Manages services
Changes the time when the file was created, accessed, or modified
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm base64 bash expand gcc hajime lolbin masquerade rust
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=40de1140-1900-0000-749a-c3ac890c0000 pid=3209 /usr/bin/sudo guuid=ef217842-1900-0000-749a-c3ac8a0c0000 pid=3210 /tmp/sample.bin guuid=40de1140-1900-0000-749a-c3ac890c0000 pid=3209->guuid=ef217842-1900-0000-749a-c3ac8a0c0000 pid=3210 execve
Threat name:
Linux.Trojan.Hajime
Status:
Malicious
First seen:
2026-03-26 21:33:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
4 of 36 (11.11%)
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:EXPL_Log4j_CVE_2021_44228_Dec21_Soft
Author:Florian Roth (Nextron Systems)
Description:Detects indicators in server logs that indicate an exploitation attempt of CVE-2021-44228
Reference:https://twitter.com/h113sdx/status/1469010902183661568?s=20
Rule name:EXPL_Shitrix_Exploit_Code_Jan20_1
Author:Florian Roth (Nextron Systems)
Description:Detects payloads used in Shitrix exploitation CVE-2019-19781
Reference:https://isc.sans.edu/forums/diary/Citrix+ADC+Exploits+Overview+of+Observed+Payloads/25704/
Rule name:EXPL_Shitrix_Exploit_Code_Jan20_1_RID331C
Author:Florian Roth
Description:Detects payloads used in Shitrix exploitation CVE-2019-19781
Reference:https://isc.sans.edu/forums/diary/Citrix+ADC+Exploits+Overview+of+Observed+Payloads/25704/
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:html_auto_download_b64
Author:Tdawg
Description:html auto download
Rule name:ldpreload
Author:xorseed
Reference:https://stuff.rop.io/
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:testlumma
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:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
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 20037ee6591f1da84643535bfa8fd92f5f21bd8543a4061fa93caa6e870375b1

(this sample)

  
Delivery method
Distributed via web download

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