MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4eaaa783f1d360c5f3b63c89de0460234d9bb51762eb44f526c416d86ec23eb. 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: 9


Intelligence 9 IOCs YARA 22 File information Comments

SHA256 hash: b4eaaa783f1d360c5f3b63c89de0460234d9bb51762eb44f526c416d86ec23eb
SHA3-384 hash: b549bcf1aa2fb9235c9affaaf0c794e7a0ed44b249d788f68ff6bd1e839a7da3a4755eb7cab95c4eb63fac03b297986b
SHA1 hash: 77d1fd14550dc0b4bcfeb92c0091bc949007708a
MD5 hash: 1157fc0bbf707257ded01356fc9da2d9
humanhash: mountain-winner-one-pizza
File name:x86
Download: download sample
Signature Mirai
File size:5'914'786 bytes
First seen:2026-04-28 17:35:57 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:pPDbru884F9g3y2efGnUl6NUnZkeld8yqk7KqNbc1P3BUhhX7d0eM5Ea:pPjuKFycGnUbkSd8yF7UP2teEa
TLSH T17D563811FECB14F6E5031E3100BBA26F67315D058B24EBD7EB507F2AEA7B6911836219
telfhash t1a0d2dfb7159da4ec67f04407866f7120cff6e03726e028b259f7b8c19673c53aa66878
gimphash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
45
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Sends data to a server
Sets a written file as executable
Creating a file
Connection attempt
Writes files to system directory
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
6
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-04-28T14:39:00Z UTC
Last seen:
2026-04-30T12:58:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=92160cd7-1c00-0000-127a-91515e090000 pid=2398 /usr/bin/sudo guuid=47dda6d9-1c00-0000-127a-915164090000 pid=2404 /tmp/sample.bin net send-data write-config write-file guuid=92160cd7-1c00-0000-127a-91515e090000 pid=2398->guuid=47dda6d9-1c00-0000-127a-915164090000 pid=2404 execve a39b8cc0-a6b9-574b-b725-6aedbd500925 89.190.158.132:9111 guuid=47dda6d9-1c00-0000-127a-915164090000 pid=2404->a39b8cc0-a6b9-574b-b725-6aedbd500925 send: 14B guuid=47dda6d9-1c00-0000-127a-915164090000 pid=2408 /tmp/sample.bin guuid=47dda6d9-1c00-0000-127a-915164090000 pid=2404->guuid=47dda6d9-1c00-0000-127a-915164090000 pid=2408 clone guuid=47dda6d9-1c00-0000-127a-915164090000 pid=2409 /tmp/sample.bin guuid=47dda6d9-1c00-0000-127a-915164090000 pid=2404->guuid=47dda6d9-1c00-0000-127a-915164090000 pid=2409 clone guuid=47dda6d9-1c00-0000-127a-915164090000 pid=2410 /tmp/sample.bin guuid=47dda6d9-1c00-0000-127a-915164090000 pid=2404->guuid=47dda6d9-1c00-0000-127a-915164090000 pid=2410 clone guuid=47dda6d9-1c00-0000-127a-915164090000 pid=2411 /tmp/sample.bin guuid=47dda6d9-1c00-0000-127a-915164090000 pid=2404->guuid=47dda6d9-1c00-0000-127a-915164090000 pid=2411 clone guuid=47dda6d9-1c00-0000-127a-915164090000 pid=2417 /tmp/sample.bin guuid=47dda6d9-1c00-0000-127a-915164090000 pid=2404->guuid=47dda6d9-1c00-0000-127a-915164090000 pid=2417 clone guuid=47dda6d9-1c00-0000-127a-915164090000 pid=5238 /tmp/sample.bin guuid=47dda6d9-1c00-0000-127a-915164090000 pid=2404->guuid=47dda6d9-1c00-0000-127a-915164090000 pid=5238 clone
Threat name:
Linux.Trojan.Egairtigado
Status:
Malicious
First seen:
2026-04-28 17:38:44 UTC
File Type:
ELF32 Little (Exe)
AV detection:
9 of 38 (23.68%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
defense_evasion discovery linux persistence privilege_escalation
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Modifies Bash startup script
Creates/modifies environment variables
Write file to user bin folder
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_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:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:GoBinTest
Rule name:golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:Golang_Find_CSC846
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:identity_golang
Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
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:Suspicious_Golang_Binary
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
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

File information


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

Web download

Mirai

elf b4eaaa783f1d360c5f3b63c89de0460234d9bb51762eb44f526c416d86ec23eb

(this sample)

  
Delivery method
Distributed via web download

Comments