MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2bd3881754e79fa01badb11d78ff329d078e8a6846ca529fbc1be783be1517c. 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: 10


Intelligence 10 IOCs YARA 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a2bd3881754e79fa01badb11d78ff329d078e8a6846ca529fbc1be783be1517c
SHA3-384 hash: 842ac8cf68d0a7efc5638ac996dddaaeae0a02b38794bec53cbdd1bce39befdf7eecc6d03e6ccdd87fdff109ddcf9d69
SHA1 hash: 431f79e0e2da9915fd5a2a872376ceffa8d6e0d5
MD5 hash: 63b43654677f1c1e8bab30ea8cc66346
humanhash: california-whiskey-mango-asparagus
File name:x86
Download: download sample
Signature Mirai
Create hunting rule
File size:5'922'978 bytes
First seen:2026-05-25 19:32:02 UTC
Last seen:2026-05-26 05:21:48 UTC
File type: elf
MIME type:application/x-executable
ssdeep 49152:I+XHIuthqK+0JWidbycH5nPC4R7vUjmdZyhg74ST51iCqlTahhEkc5En:I+3IuzubcHQCdZyO73GTFsEkOEn
TLSH T134563711FECB14FAE5031A3104BBA2AF67311D058B24DBD7EB507E69FE7B6911832219
telfhash t171d2cfb3059da4ec67e0450796af7120dff6e03726e028b159f6b8c15a73d43aa36878
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 :
2
# of downloads :
41
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.DDoS.2734.19808.1741.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sets a written file as executable
Sends data to a server
Creating a file
Receives data from a server
Writes files to system directory
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:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a2bd3881754e79fa01badb11d78ff329d078e8a6846ca529fbc1be783be1517c
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:
2026-05-25T17:02:00Z UTC
Last seen:
2026-05-26T00:40:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a2bd3881754e79fa01badb11d78ff329d078e8a6846ca529fbc1be783be1517c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c6d3123e-0cfc-4a0b-ae20-9ae9f3338ab5
Behavior Graph:
Download SVG
%3 guuid=547a021a-1b00-0000-5a03-b9e88d0a0000 pid=2701 /usr/bin/sudo guuid=55b9771c-1b00-0000-5a03-b9e8960a0000 pid=2710 /tmp/sample.bin net write-config write-file guuid=547a021a-1b00-0000-5a03-b9e88d0a0000 pid=2701->guuid=55b9771c-1b00-0000-5a03-b9e8960a0000 pid=2710 execve 5759128b-5163-54cb-938c-c82f40b16374 45.90.98.190:9111 guuid=55b9771c-1b00-0000-5a03-b9e8960a0000 pid=2710->5759128b-5163-54cb-938c-c82f40b16374 con guuid=55b9771c-1b00-0000-5a03-b9e8960a0000 pid=2727 /tmp/sample.bin guuid=55b9771c-1b00-0000-5a03-b9e8960a0000 pid=2710->guuid=55b9771c-1b00-0000-5a03-b9e8960a0000 pid=2727 clone guuid=55b9771c-1b00-0000-5a03-b9e8960a0000 pid=2728 /tmp/sample.bin guuid=55b9771c-1b00-0000-5a03-b9e8960a0000 pid=2710->guuid=55b9771c-1b00-0000-5a03-b9e8960a0000 pid=2728 clone guuid=55b9771c-1b00-0000-5a03-b9e8960a0000 pid=2729 /tmp/sample.bin guuid=55b9771c-1b00-0000-5a03-b9e8960a0000 pid=2710->guuid=55b9771c-1b00-0000-5a03-b9e8960a0000 pid=2729 clone guuid=55b9771c-1b00-0000-5a03-b9e8960a0000 pid=2730 /tmp/sample.bin guuid=55b9771c-1b00-0000-5a03-b9e8960a0000 pid=2710->guuid=55b9771c-1b00-0000-5a03-b9e8960a0000 pid=2730 clone guuid=55b9771c-1b00-0000-5a03-b9e8960a0000 pid=2732 /tmp/sample.bin guuid=55b9771c-1b00-0000-5a03-b9e8960a0000 pid=2710->guuid=55b9771c-1b00-0000-5a03-b9e8960a0000 pid=2732 clone guuid=55b9771c-1b00-0000-5a03-b9e8960a0000 pid=2733 /tmp/sample.bin send-data guuid=55b9771c-1b00-0000-5a03-b9e8960a0000 pid=2710->guuid=55b9771c-1b00-0000-5a03-b9e8960a0000 pid=2733 clone guuid=55b9771c-1b00-0000-5a03-b9e8960a0000 pid=2733->5759128b-5163-54cb-938c-c82f40b16374 send: 14B
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fbef7857-4ff3-4ad2-b13e-8aaae1a5a356
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1918265
Signature
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample tries to persist itself using /etc/profile
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1918265 Sample: x86.elf Startdate: 25/05/2026 Architecture: LINUX Score: 64 20 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->20 22 109.202.202.202, 80 INIT7CH Switzerland 2->22 24 4 other IPs or domains 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Mirai 2->28 6 x86.elf 2->6         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 file5 16 /root/.bashrc, ASCII 6->16 dropped 18 /etc/profile, ASCII 6->18 dropped 30 Sample tries to persist itself using /etc/profile 6->30 32 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 6->32 signatures6
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a2bd3881754e79fa01badb11d78ff329d078e8a6846ca529fbc1be783be1517c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a2bd3881754e79fa01badb11d78ff329d078e8a6846ca529fbc1be783be1517c/
Threat name:
Linux.Hacktool.Flooder
Create hunting rule
Status:
Malicious
First seen:
2026-05-25 19:34:32 UTC
File Type:
ELF32 Little (Exe)
AV detection:
3 of 36 (8.33%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uk6tralvjz47uan23mi5pd7tfhihr2fgqrwkkkp3yg7hqo7bkf6a._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
defense_evasion discovery linux persistence privilege_escalation
Link:
https://tria.ge/reports/260525-x9arese16q/
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.
Threat name:
Suspicious File
Score:
0.59
Link:
https://yomi.yoroi.company/submissions/a2bd3881754e79fa01badb11d78ff329d078e8a6846ca529fbc1be783be1517c

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
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Suspicious_Golang_Binary
Create hunting rule
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
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
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

sh 468b44cafb21a7f9a3033160967bbc5d7886bc9e49c9cce61ea4677b6776bc2c

Mirai

elf a2bd3881754e79fa01badb11d78ff329d078e8a6846ca529fbc1be783be1517c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3853017/
  
Delivery method
Distributed via web download
  
Dropped by
SHA256 468b44cafb21a7f9a3033160967bbc5d7886bc9e49c9cce61ea4677b6776bc2c
  
Dropped by
MD5 a8541528d3927d35a55f53176b9480c4
  
URLhaus
https://urlhaus.abuse.ch/url/3853009/

Comments