MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4ea4a86fde90204f71562161f99525eadb99d69a6fca68f427a7686ba81bc8b. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4ea4a86fde90204f71562161f99525eadb99d69a6fca68f427a7686ba81bc8b
SHA3-384 hash: d4f79e16118c67c4ee3a332561dd5fb12f793269ecaa4db0f544b67f291a5cfddaeac219c78dcbefd0290aedff7a7a8f
SHA1 hash: f22a078a069be4371d67a73777662f85b2fa730d
MD5 hash: befdd7ac5dccaa6dd98cb151b6938062
humanhash: magnesium-burger-moon-shade
File name:sora.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:89'408 bytes
First seen:2025-09-04 08:11:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:NF2GXYZ8a8fnwEvLNPENIdhs9WZx0ZCufqjhK:NFjXYyCEx0yhK
TLSH T1CF93D706BF610FF7DC9BDC3705A92B05289C665A31A97B35BA30D818F64B21F19E3C64
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 65b6c19fa638a9ed5a850ed16b1d59994d246f7ce7fc291e99e0c1f73bc99bc2
File size (compressed) :29'944 bytes
File size (de-compressed) :89'408 bytes
Format:linux/mipsel
Packed file: 65b6c19fa638a9ed5a850ed16b1d59994d246f7ce7fc291e99e0c1f73bc99bc2

Intelligence

File Origin
# of uploads :
1
# of downloads :
62
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Trojan.Mirai-9819563-0
Create hunting rule

Unix.Trojan.Mirai-9820623-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Receives data from a server
Connection attempt
Runs as daemon
Kills critical processes
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated threat
Link:
https://www.filescan.io/uploads/68b94a3a1c81c34281de2786/reports/ad16ca1b-5bcd-4241-989c-d36fa7180e2b/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b4ea4a86fde90204f71562161f99525eadb99d69a6fca68f427a7686ba81bc8b
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:
2025-09-04T06:30:00Z UTC
Last seen:
2025-09-04T06:30:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b4ea4a86fde90204f71562161f99525eadb99d69a6fca68f427a7686ba81bc8b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/16ef6fc5-d177-4c71-b832-83b3d2d0fe9f
Behavior Graph:
Download SVG
%3 guuid=afae213c-1900-0000-895b-2c8e5f0c0000 pid=3167 /usr/bin/sudo guuid=72b6cf3d-1900-0000-895b-2c8e640c0000 pid=3172 /tmp/sample.bin guuid=afae213c-1900-0000-895b-2c8e5f0c0000 pid=3167->guuid=72b6cf3d-1900-0000-895b-2c8e640c0000 pid=3172 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/47ce1186-0248-4e8e-8eae-06f9f8fd7e9f
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1770962
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1770962 Sample: sora.mpsl.elf Startdate: 04/09/2025 Architecture: LINUX Score: 76 28 105.123.105.230, 23 VNL1-ASNG Nigeria 2->28 30 37.8.145.88 VLADLINK-ASRU Russian Federation 2->30 32 98 other IPs or domains 2->32 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus / Scanner detection for submitted sample 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Yara detected Mirai 2->42 8 sora.mpsl.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 sora.mpsl.elf 8->14         started        16 sora.mpsl.elf 8->16         started        19 sora.mpsl.elf 8->19         started        signatures6 21 sora.mpsl.elf 14->21         started        24 sora.mpsl.elf 14->24         started        26 sora.mpsl.elf 14->26         started        34 Sample tries to kill multiple processes (SIGKILL) 16->34 process7 signatures8 44 Sample tries to kill multiple processes (SIGKILL) 21->44
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b4ea4a86fde90204f71562161f99525eadb99d69a6fca68f427a7686ba81bc8b
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b4ea4a86fde90204f71562161f99525eadb99d69a6fca68f427a7686ba81bc8b/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-04 08:14:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtvevbx55ebaj5yvmilb7gksl2w3thlju36knd2cpj3inoubxsfq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora defense_evasion discovery
Link:
https://tria.ge/reports/250904-j4tqfsym14/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Modifies Watchdog functionality
Unexpected DNS network traffic destination
Contacts a large (167794) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135890-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/b3e20b6b-84dd-4f00-8a7c-67d7531d34b5
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b4ea4a86fde90204f71562161f99525eadb99d69a6fca68f427a7686ba81bc8b

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security

File information

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

Web download

Mirai

elf 65b6c19fa638a9ed5a850ed16b1d59994d246f7ce7fc291e99e0c1f73bc99bc2

Mirai

elf b4ea4a86fde90204f71562161f99525eadb99d69a6fca68f427a7686ba81bc8b

(this sample)

  
Dropped by
SHA256 65b6c19fa638a9ed5a850ed16b1d59994d246f7ce7fc291e99e0c1f73bc99bc2
  
URLhaus
https://urlhaus.abuse.ch/url/3610650/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 d136501568d7b4a1f69cde1e190ec50c

Comments