MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 920dfeb016244225a8aa4ba44315d65bfd5d4c8c2f96df11b65512e05220eaf1. 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: 11


Intelligence 11 IOCs YARA 8 File information Comments
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SHA256 hash: 920dfeb016244225a8aa4ba44315d65bfd5d4c8c2f96df11b65512e05220eaf1
SHA3-384 hash: d10f3e944ea02cffc97fa2689e344f3b62064f6153d83a5484a6d7789a7cf9d6770a5cd8392e1f38c63de5515b340afa
SHA1 hash: 4966af51c011e8a9a62bbe68318048a9c8fc9f1f
MD5 hash: 393f2c04489c5037ce7d42b250eb9801
humanhash: mars-early-blossom-leopard
File name:b3astmode.arm7
Download: download sample
Signature Mirai
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File size:123'009 bytes
First seen:2025-12-06 15:11:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:vD7gicgQrMpCP4dujryRgHGNkDa50TKJov+uUkELfAoGRfi73jLfDfmM/9oYtj:vD7gOQrMpCP4dujryRgHGNkDa50TKJoe
TLSH T1CEC32A46EB408F03C4D61779BAEF424933239764E3DB730689189FB83F86B6A4E67505
telfhash t1b0110d725b21562aaba1c864dded53b2112857137388af32df35c4cc69190eae63fc4b
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 2ba4ad3d65f6be64e0855c61529b121f62f1899cdb7cbca78f5bb0697c8071b6
File size (compressed) :46'792 bytes
File size (de-compressed) :123'009 bytes
Format:linux/arm
Packed file: 2ba4ad3d65f6be64e0855c61529b121f62f1899cdb7cbca78f5bb0697c8071b6

Intelligence

File Origin
# of uploads :
1
# of downloads :
39
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/02223cb8-c68b-4560-b949-270a6b4ca563/
Detection(s):
Sanesecurity.Malware.29324.LC.Beast.UNOFFICIAL
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Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7135897-0
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Unix.Dropper.Mirai-7135901-0
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Unix.Dropper.Mirai-7135909-0
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Unix.Dropper.Mirai-7135918-0
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Unix.Dropper.Mirai-7135925-0
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Unix.Dropper.Mirai-7135954-0
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Unix.Dropper.Mirai-7136013-0
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Unix.Dropper.Mirai-7136028-0
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Unix.Dropper.Mirai-7136057-0
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Unix.Dropper.Mirai-7355719-0
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Unix.Trojan.Mirai-8025795-0
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Unix.Trojan.Mirai-9760303-0
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Unix.Trojan.Mirai-9858729-0
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Unix.Trojan.Mirai-5607483-0
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Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-06T13:18:00Z UTC
Last seen:
2025-12-07T02:16:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/920dfeb016244225a8aa4ba44315d65bfd5d4c8c2f96df11b65512e05220eaf1/results?tab=lookup
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ff1a9e20-e50f-4291-91f0-4c294faca423
Result
Threat name:
Mirai
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Detection:
malicious
Classification:
troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1827940
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Detected Mirai
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1827940 Sample: b3astmode.arm7.elf Startdate: 06/12/2025 Architecture: LINUX Score: 96 24 156.127.228.152 XNSTGCA United States 2->24 26 31.221.210.121 XFERAES Spain 2->26 28 98 other IPs or domains 2->28 30 Suricata IDS alerts for network traffic 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Detected Mirai 2->34 36 4 other signatures 2->36 8 b3astmode.arm7.elf 2->8         started        signatures3 process4 process5 10 b3astmode.arm7.elf 8->10         started        12 b3astmode.arm7.elf 8->12         started        14 b3astmode.arm7.elf 8->14         started        process6 16 b3astmode.arm7.elf 10->16         started        18 b3astmode.arm7.elf 10->18         started        20 b3astmode.arm7.elf 10->20         started        22 b3astmode.arm7.elf 10->22         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/920dfeb016244225a8aa4ba44315d65bfd5d4c8c2f96df11b65512e05220eaf1
Detection:
mirai
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Link:
https://mwdb.cert.pl/sample/920dfeb016244225a8aa4ba44315d65bfd5d4c8c2f96df11b65512e05220eaf1/
Threat name:
Linux.Worm.Mirai
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Status:
Malicious
First seen:
2025-12-06 15:12:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sig75mawerbclkfkjosegfowlp6v2temf6ln6enwkujoaura5lyq._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet:unst defense_evasion discovery
Link:
https://tria.ge/reports/251206-slggvaar9v/
Behaviour
Reads runtime system information
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (69768) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/744e2860-ac3f-4dda-aa86-396634d4c6fb
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/920dfeb016244225a8aa4ba44315d65bfd5d4c8c2f96df11b65512e05220eaf1

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
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:CVE_2017_17215
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Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
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Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
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Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
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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 2ba4ad3d65f6be64e0855c61529b121f62f1899cdb7cbca78f5bb0697c8071b6

Mirai

elf 920dfeb016244225a8aa4ba44315d65bfd5d4c8c2f96df11b65512e05220eaf1

(this sample)

  
Dropped by
SHA256 2ba4ad3d65f6be64e0855c61529b121f62f1899cdb7cbca78f5bb0697c8071b6
  
URLhaus
https://urlhaus.abuse.ch/url/3727386/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 c625720ee8b4ab609ecbd353c29bd8f0

Comments