MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a58bdcc4927fef9dc574a434cec5a413a5d92361696b31a040a12c681604ea8e. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a58bdcc4927fef9dc574a434cec5a413a5d92361696b31a040a12c681604ea8e
SHA3-384 hash: 7a5b34efff8b7f903b81db21794a89e6d67cb484f9aaebda8b3d0395611b6ecf813d6b0cfb9d7563ac8b2ed180a40d6b
SHA1 hash: 954b4b9b38f54ce2c69b71fbc866d8eba9947226
MD5 hash: b2139fdc67f3b31b484be5eec2f39c21
humanhash: oven-nitrogen-pasta-stairway
File name:arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:159'917 bytes
First seen:2026-01-18 14:04:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:mbbVoOJrfLarWzSZK+6YC6VDftwM5KvRmEM/9UM+EA2msw8qn8y7:qbVbJDLarWzSZp64JVwM5KvFM/9UFD2C
TLSH T1C9F33A46E6808A13C4D61B7ABADF92053323AB64A3D733069D28BFF43F867990E57505
telfhash t133211062563a82196a76da6ccceca7a200144b136346ff33ef21c4ec141e045e629c8f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 3e87988ebb0e6604b65dd5e911f2086bcc4f797ffce0e24c57abadc6dd8b9588
File size (compressed) :61'044 bytes
File size (de-compressed) :159'917 bytes
Format:linux/arm
Packed file: 3e87988ebb0e6604b65dd5e911f2086bcc4f797ffce0e24c57abadc6dd8b9588

Intelligence

File Origin
# of uploads :
1
# of downloads :
54
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/f859d4e6-00d1-440a-a411-0c51318797aa/
Detection(s):
Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt gcc mirai obfuscated rust
Link:
https://www.filescan.io/uploads/696ce8b0584f1963ad5a06e7/reports/19afedc9-296f-4b2e-9153-e4a3a90ac021/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-18T09:31:00Z UTC
Last seen:
2026-01-18T11:42:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/a58bdcc4927fef9dc574a434cec5a413a5d92361696b31a040a12c681604ea8e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f74a981d-610f-45c5-bf4d-6cc1286972e6
Behavior Graph:
Download SVG
%3 guuid=5f77dbbc-1f00-0000-5b29-520efd090000 pid=2557 /usr/bin/sudo guuid=8eb599be-1f00-0000-5b29-520e030a0000 pid=2563 /tmp/sample.bin guuid=5f77dbbc-1f00-0000-5b29-520efd090000 pid=2557->guuid=8eb599be-1f00-0000-5b29-520e030a0000 pid=2563 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c7516225-b797-4c39-9dba-40419eaea196
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1852799
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852799 Sample: arm7.elf Startdate: 18/01/2026 Architecture: LINUX Score: 56 17 weifang.serveftp.com 45.83.207.173, 3778, 46700, 46702 CLOUVIDERClouvider-GlobalASNGB Netherlands 2->17 19 Antivirus / Scanner detection for submitted sample 2->19 21 Multi AV Scanner detection for submitted file 2->21 7 arm7.elf 2->7         started        signatures3 process4 process5 9 arm7.elf 7->9         started        11 arm7.elf 7->11         started        13 arm7.elf 7->13         started        15 2 other processes 7->15
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a58bdcc4927fef9dc574a434cec5a413a5d92361696b31a040a12c681604ea8e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a58bdcc4927fef9dc574a434cec5a413a5d92361696b31a040a12c681604ea8e/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/a58bdcc4927fef9dc574a434cec5a413a5d92361696b31a040a12c681604ea8e
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-18 14:05:45 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uwf5zresp7xz3rluuq2m5rnecos5si3bnfvtdicauewgqfqe5kha._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery
Link:
https://tria.ge/reports/260118-rd5zssew7b/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c308ba30-72a9-4036-8cf6-1bc1e4bb5d11
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
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 3e87988ebb0e6604b65dd5e911f2086bcc4f797ffce0e24c57abadc6dd8b9588

Mirai

elf a58bdcc4927fef9dc574a434cec5a413a5d92361696b31a040a12c681604ea8e

(this sample)

  
Dropped by
SHA256 3e87988ebb0e6604b65dd5e911f2086bcc4f797ffce0e24c57abadc6dd8b9588
  
URLhaus
https://urlhaus.abuse.ch/url/3759326/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 f74cae6c9686b18f45ae7858338bb840
  
URLhaus
https://urlhaus.abuse.ch/url/3753581/
  
URLhaus
https://urlhaus.abuse.ch/url/3757596/
  
URLhaus
https://urlhaus.abuse.ch/url/3759482/

Comments