MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2813a9fe5413680e700374c839e2db4c442c868768194e0afa6f4e7a8d8c760. 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 21 File information Comments

SHA256 hash: a2813a9fe5413680e700374c839e2db4c442c868768194e0afa6f4e7a8d8c760
SHA3-384 hash: 209287477ee979b705c8c9bc7ff2523714f7df871526f2f93a8037baef2eed3febd72e8b6aa199e85b52d5a0b465ae78
SHA1 hash: cb3fb4ed37d88c9f754219a51c680bf0bbfff956
MD5 hash: 7faf304e819a3b62d3bb513296e96b5b
humanhash: mountain-blue-orange-sodium
File name:x86
Download: download sample
Signature Mirai
File size:4'792'472 bytes
First seen:2026-01-29 15:08:08 UTC
Last seen:2026-01-30 13:33:06 UTC
File type: elf
MIME type:application/x-executable
ssdeep 49152:fs0d19pNKTPdlDB517d1EKS1z0Gjl/CEHMdrBG2SiLSLhm65K:nd1jNKTPzFecnp
TLSH T138263951F9CB44F6E9071E3144AFA27F63305D098B24EB97EA507F29F97B692193220C
telfhash t1e4b2c0b715aca4ec77f0490792af7520cef6e42726d0387168f2b8c097b2e535b25978
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 :
3
# of downloads :
69
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Collects information on the RAM
Sends data to a server
Receives data from a server
Creating a file
Collects information on the network activity
Sets a written file as executable
Writes files to system directory
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
base64 crypto golang obfuscated soft-404
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:
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:
Clean
File Type:
elf.32.le
First seen:
2026-01-29T12:47:00Z UTC
Last seen:
2026-01-30T01:05:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=ed5e75d4-1600-0000-76ee-0a67940f0000 pid=3988 /usr/bin/sudo guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=3997 /tmp/sample.bin net send-data write-config write-file guuid=ed5e75d4-1600-0000-76ee-0a67940f0000 pid=3988->guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=3997 execve 59489fe6-f537-5397-9625-51c4d7c922f2 2.56.244.89:9111 guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=3997->59489fe6-f537-5397-9625-51c4d7c922f2 send: 124B guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=4012 /tmp/sample.bin guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=3997->guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=4012 clone guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=4013 /tmp/sample.bin send-data guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=3997->guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=4013 clone guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=4014 /tmp/sample.bin send-data guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=3997->guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=4014 clone guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=4016 /tmp/sample.bin send-data guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=3997->guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=4016 clone guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=4107 /tmp/sample.bin send-data guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=3997->guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=4107 clone guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=5235 /tmp/sample.bin send-data guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=3997->guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=5235 clone guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=4013->59489fe6-f537-5397-9625-51c4d7c922f2 send: 126B guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=4014->59489fe6-f537-5397-9625-51c4d7c922f2 send: 219B guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=4016->59489fe6-f537-5397-9625-51c4d7c922f2 send: 128B guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=4107->59489fe6-f537-5397-9625-51c4d7c922f2 send: 156B guuid=cfd3b7d6-1600-0000-76ee-0a679d0f0000 pid=5235->59489fe6-f537-5397-9625-51c4d7c922f2 send: 93B
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre
Score:
48 / 100
Signature
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Sample tries to persist itself using /etc/profile
Behaviour
Behavior Graph:
Threat name:
Linux.Trojan.Generic
Status:
Suspicious
First seen:
2026-01-29 15:09:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
6 of 24 (25.00%)
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: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 a2813a9fe5413680e700374c839e2db4c442c868768194e0afa6f4e7a8d8c760

(this sample)

  
Delivery method
Distributed via web download

Comments