MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78b40249bad0b543f9d1b70c7c8b19cf2242002dbcfa507464b8649db9dce14b. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 78b40249bad0b543f9d1b70c7c8b19cf2242002dbcfa507464b8649db9dce14b
SHA3-384 hash: 3372f755a073f2c4e6dfcad2ba5c4cfecfb8e3ef7f37d1ef5b0a614074922531a7e19e5ae1937285f5cb33be60aae391
SHA1 hash: 9adf218c87af3d537963d8a4622d656b55fce003
MD5 hash: 9a37a17e038d9ce2ab8b5c77723caf6c
humanhash: bulldog-potato-dakota-vegan
File name:amd64
Download: download sample
Signature Mirai
Create hunting rule
File size:4'640'768 bytes
First seen:2026-02-03 16:52:38 UTC
Last seen:2026-02-03 19:34:04 UTC
File type: elf
MIME type:application/x-executable
ssdeep 49152:QQMPrb/TfvO90dL3BmAFd4A64nsfJLiPLbd9MDnwZZZ/6bhDubDf6b2NlJX72f4y:WEG/xibOx7Z/Yf7O94EvLv
TLSH T1FC263943F85191A9C1AED130C6669293BA717C981B3023D33B50FBB92F76BD46EB9314
telfhash t16c82f17446bc74b2a2a2c960f37374b4e23768b167f474b10062ad42efe1e891c96867
gimphash 53e9ce4f3be4dc673dff5ec6fcd82864da1989288ce57e11ee19fb07193c6fbb
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 :
3
# of downloads :
36
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sets a written file as executable
Receives data from a server
Creating a file
Sends data to a server
Connection attempt
Writes files to system directory
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
base64 crypto expand golang lolbin
Link:
https://www.filescan.io/uploads/6982280e981ff1d38a46c5e6/reports/b10f1c27-8f3f-4e39-a1fc-7224e357fd5d/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
5
Number of processes launched:
19
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/78b40249bad0b543f9d1b70c7c8b19cf2242002dbcfa507464b8649db9dce14b
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c6dc5da5-476f-4939-a47c-2dd2adcf5606
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1862639
Signature
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Sample tries to persist itself using /etc/profile
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1862639 Sample: amd64.elf Startdate: 03/02/2026 Architecture: LINUX Score: 56 19 Yara detected Mirai 2->19 5 amd64.elf 2->5         started        9 dash rm 2->9         started        11 dash rm 2->11         started        13 python3.8 dpkg 2->13         started        process3 file4 15 /root/.bashrc, ASCII 5->15 dropped 17 /etc/profile, ASCII 5->17 dropped 21 Sample tries to persist itself using /etc/profile 5->21 23 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 5->23 signatures5
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/78b40249bad0b543f9d1b70c7c8b19cf2242002dbcfa507464b8649db9dce14b
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/78b40249bad0b543f9d1b70c7c8b19cf2242002dbcfa507464b8649db9dce14b/
Threat name:
Linux.Hacktool.Flooder
Create hunting rule
Status:
Malicious
First seen:
2026-02-03 16:38:16 UTC
File Type:
ELF64 Little (Exe)
AV detection:
4 of 36 (11.11%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pc2aesn22c2uh6orw4ghzcyzz4reeabnxt5fa5dexbsj3oo44ffq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
defense_evasion discovery linux persistence privilege_escalation
Link:
https://tria.ge/reports/260203-vd8x8sas5c/
Behaviour
GoLang User-Agent
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/78b40249bad0b543f9d1b70c7c8b19cf2242002dbcfa507464b8649db9dce14b

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_duffcopy_amd64
Create hunting rule
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: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

elf 78b40249bad0b543f9d1b70c7c8b19cf2242002dbcfa507464b8649db9dce14b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3771603/
  
Delivery method
Distributed via web download

Comments