MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37091ec8acd43f6a7aec48197a246b238745e480a6cee99f17a4c9500baeaa3a. 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: 13


Intelligence 13 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37091ec8acd43f6a7aec48197a246b238745e480a6cee99f17a4c9500baeaa3a
SHA3-384 hash: c554e31ff2d5f4e3bb32cc39598084dc9c9198ae4114c243ed84ccd2045ff57e2d2e7bc0940d2c798b316eeea6ba7bda
SHA1 hash: f8279bc49402b2d1ec168f0882aa10bcafde451f
MD5 hash: b6e42fbf044724451eabff97c76c4bea
humanhash: sierra-speaker-red-carbon
File name:main_x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:143'736 bytes
First seen:2025-07-31 11:43:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:sFy62xn7FmWc18jbUkSVuv+VyQhb7funp0:My620sJ69Rup0
TLSH T199E35B0A74D0D4FDC8DBC2784BAAF536E932F49D0138715B27C8AA271F5EE205B6D611
telfhash t17651bfb13d593598e2ebe635b30be954a832181108f178e5de73b9e2cf427880d71873
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 :
1
# of downloads :
26
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7540662-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Locks files
Receives data from a server
Creating a file
Runs as daemon
Creating a file in the %temp% directory
Sends data to a server
Connection attempt
Traces processes
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin
Link:
https://www.filescan.io/uploads/688b571513488cfd44e275a5/reports/6ef41c62-dd2e-4706-ab0e-0b39af7d776e/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
56
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/37091ec8acd43f6a7aec48197a246b238745e480a6cee99f17a4c9500baeaa3a
Behaviour
Process Renaming
Anti-Debugging
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/93bf9c29-954e-4a5d-99e8-96fb668dac93
Behavior Graph:
Download SVG
%3 guuid=9755120f-1900-0000-a02a-81229e0b0000 pid=2974 /usr/bin/sudo guuid=e0a1af11-1900-0000-a02a-8122a80b0000 pid=2984 /tmp/sample.bin delete-file net guuid=9755120f-1900-0000-a02a-81229e0b0000 pid=2974->guuid=e0a1af11-1900-0000-a02a-8122a80b0000 pid=2984 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=e0a1af11-1900-0000-a02a-8122a80b0000 pid=2984->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=90fbea11-1900-0000-a02a-8122aa0b0000 pid=2986 /tmp/sample.bin dns net send-data zombie guuid=e0a1af11-1900-0000-a02a-8122a80b0000 pid=2984->guuid=90fbea11-1900-0000-a02a-8122aa0b0000 pid=2986 clone guuid=90fbea11-1900-0000-a02a-8122aa0b0000 pid=2986->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 30B 1b298986-c1a2-51c3-8ea4-731b8031d0c6 botnet.eu.cc:1995 guuid=90fbea11-1900-0000-a02a-8122aa0b0000 pid=2986->1b298986-c1a2-51c3-8ea4-731b8031d0c6 send: 20B guuid=1cd0f611-1900-0000-a02a-8122ab0b0000 pid=2987 /tmp/sample.bin guuid=90fbea11-1900-0000-a02a-8122aa0b0000 pid=2986->guuid=1cd0f611-1900-0000-a02a-8122ab0b0000 pid=2987 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5344d7e5-b39b-481d-81f0-64d119d49132
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1747753
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1747753 Sample: main_x86_64.elf Startdate: 31/07/2025 Architecture: LINUX Score: 68 19 109.202.202.202, 80 INIT7CH Switzerland 2->19 21 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->21 23 2 other IPs or domains 2->23 25 Malicious sample detected (through community Yara rule) 2->25 27 Antivirus / Scanner detection for submitted sample 2->27 29 Multi AV Scanner detection for submitted file 2->29 8 main_x86_64.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 signatures5 31 Sample deletes itself 8->31 15 main_x86_64.elf 8->15         started        process6 process7 17 main_x86_64.elf 15->17         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/37091ec8acd43f6a7aec48197a246b238745e480a6cee99f17a4c9500baeaa3a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/37091ec8acd43f6a7aec48197a246b238745e480a6cee99f17a4c9500baeaa3a/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/37091ec8acd43f6a7aec48197a246b238745e480a6cee99f17a4c9500baeaa3a
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-31 14:49:33 UTC
File Type:
ELF64 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g4er5sfm2q7wu6xmjamxujdleodulzeau3hothyxutevac5ovi5a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai credential_access discovery linux
Link:
https://tria.ge/reports/250731-nv94ashl6t/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads process memory
Enumerates running processes
Deletes itself
Traces itself
Malware Config
C2 Extraction:
botnet.eu.cc
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Dropper.Mirai-7540662-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_e0cf29e2
Link:
https://app.threat.zone/submission/5f8f999c-943c-47d4-aeba-78fc7db7f3e5
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/37091ec8acd43f6a7aec48197a246b238745e480a6cee99f17a4c9500baeaa3a

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
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 37091ec8acd43f6a7aec48197a246b238745e480a6cee99f17a4c9500baeaa3a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3575767/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments