MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73ca547c2e29de12ca67bc3536063726d39a8790d525a301bf9d761d3e9831b9. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 73ca547c2e29de12ca67bc3536063726d39a8790d525a301bf9d761d3e9831b9
SHA3-384 hash: a52aa1a282e3e7319ee159a7045861150e682beabe8abaa6a7d4016ea1b08780e5a2d39ab6c539bcec6171c08db8e33f
SHA1 hash: c0e133456bbc05455f07cafaf84403ba507672bd
MD5 hash: 9cf5cbc274d7a074be0e278ef2485940
humanhash: harry-angel-aspen-island
File name:renji.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:177'826 bytes
First seen:2025-09-15 05:51:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:q1yDBBGFbnjUtLaoIYdbOpES7B8cz4QIpXqvXxf0SSpbRM/9GPRdRTAOU:sqBI9KLa5YdbOpn98cspavBfrSpdM/9p
TLSH T1F1043B46EB418A13C4D227B6B69F824533239B64D3EB330599287FB43F87B9E4E27505
telfhash t1f2312d34273694086a71cd64d8fc97b2851b87170684ae33cf3bc8cc281a48ae62ac0f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 465d64e79752a4f54196bd0b7ed02fc9d312996f51768944d4db2b65ec57b2c0
File size (compressed) :66'888 bytes
File size (de-compressed) :177'826 bytes
Format:linux/arm
Packed file: 465d64e79752a4f54196bd0b7ed02fc9d312996f51768944d4db2b65ec57b2c0

Intelligence

File Origin
# of uploads :
1
# of downloads :
42
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135925-0
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Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-10056451-0
Create hunting rule

Unix.Trojan.Mirai-10056463-0
Create hunting rule

Unix.Trojan.Mirai-10057788-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes access rights for a written file
Runs as daemon
Sends data to a server
Changes access rights for a file
Removes directories
Deleting a recently created file
Connection attempt
DNS request
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc lolbin masquerade mirai obfuscated remote
Link:
https://www.filescan.io/uploads/68c7aab173287948292a0e0e/reports/46432bcb-6e0b-42bc-aebd-4cc7ae139434/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-15T03:49:00Z UTC
Last seen:
2025-09-15T03:49:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/73ca547c2e29de12ca67bc3536063726d39a8790d525a301bf9d761d3e9831b9/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/eec3fbd6-5dcd-41cb-a01a-6ff50d345cb2
Behavior Graph:
Download SVG
%3 guuid=16395af8-1b00-0000-f720-b6e229070000 pid=1833 /usr/bin/sudo guuid=4f7dd1f9-1b00-0000-f720-b6e22f070000 pid=1839 /tmp/sample.bin guuid=16395af8-1b00-0000-f720-b6e229070000 pid=1833->guuid=4f7dd1f9-1b00-0000-f720-b6e22f070000 pid=1839 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/65defd53-7e20-4f41-a665-8055048e810a
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1777489
Signature
Deletes system log files
Manipulation of devices in /dev
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1777489 Sample: renji.arm7.elf Startdate: 15/09/2025 Architecture: LINUX Score: 48 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 wrxcnc.com 196.251.84.55, 12121, 43332, 43334 SONIC-WirelessZA Seychelles 2->30 32 daisy.ubuntu.com 2->32 9 dash rm renji.arm7.elf 2->9         started        11 dash rm 2->11         started        13 dash head 2->13         started        15 8 other processes 2->15 process3 process4 17 renji.arm7.elf 9->17         started        process5 19 renji.arm7.elf 17->19         started        process6 21 renji.arm7.elf 19->21         started        process7 23 renji.arm7.elf 21->23         started        26 renji.arm7.elf 21->26         started        signatures8 34 Manipulation of devices in /dev 23->34 36 Deletes system log files 23->36
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/73ca547c2e29de12ca67bc3536063726d39a8790d525a301bf9d761d3e9831b9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/73ca547c2e29de12ca67bc3536063726d39a8790d525a301bf9d761d3e9831b9/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-15 05:58:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=opffi7bofhpbfsthxq2tmbrxe3jzvb4q2us2gan7tv3b2puygg4q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/250915-gnlzkatm19/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes Audit logs
Deletes journal logs
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135925-0
YARA:
n/a
Link:
https://app.threat.zone/submission/010bcf19-3bf7-4081-a513-73107b0e4d17
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/73ca547c2e29de12ca67bc3536063726d39a8790d525a301bf9d761d3e9831b9

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_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: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: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
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 465d64e79752a4f54196bd0b7ed02fc9d312996f51768944d4db2b65ec57b2c0

Mirai

elf 73ca547c2e29de12ca67bc3536063726d39a8790d525a301bf9d761d3e9831b9

(this sample)

  
Dropped by
SHA256 465d64e79752a4f54196bd0b7ed02fc9d312996f51768944d4db2b65ec57b2c0
  
URLhaus
https://urlhaus.abuse.ch/url/3624285/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 b56ac84e430d652db5951029a0ee2650
  
URLhaus
https://urlhaus.abuse.ch/url/3624311/
  
URLhaus
https://urlhaus.abuse.ch/url/3624315/
  
URLhaus
https://urlhaus.abuse.ch/url/3624316/

Comments