MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7cfbaac7a6d4c2cf1a0d75646f41de25e87128eedc03f4bfb0abce06e978525. 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 4 File information Comments

SHA256 hash: c7cfbaac7a6d4c2cf1a0d75646f41de25e87128eedc03f4bfb0abce06e978525
SHA3-384 hash: d2a644a34cda812ebc1691c62144fbcf0758ac4446f2a809b299e144bcf5bb1c44224e38e759de40d2c70f173a345caa
SHA1 hash: 1737a080d59b8a3b59675a69bb1088c6ed072bb7
MD5 hash: 5551fdc3e84a883eaf2db496c9df4655
humanhash: jersey-nitrogen-burger-white
File name:main_arm
Download: download sample
Signature Mirai
File size:138'016 bytes
First seen:2025-07-15 10:02:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:e8ZDGMLcfOKIAeg9el2Mj/C6A/AKP4VsBrxTad26dbRAU/j32GlQ8wyw3RG3fLW6:rZ1tnWGDC6Bi4wtE26dK6LJWZ
TLSH T163D30945FC515F17C6C612BBFB4E428D3B2A17A8E2EE7203D9255B21378B85B0E3B542
telfhash t18501d3f99f9519dcd3c9460841cf315672ddf0611f673465584d4b86d053bc3b42b417
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 :
28
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
49
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Anti-Debugging
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=7eb2c012-1900-0000-c43c-c72917120000 pid=4631 /usr/bin/sudo guuid=a2a19314-1900-0000-c43c-c72923120000 pid=4643 /tmp/sample.bin guuid=7eb2c012-1900-0000-c43c-c72917120000 pid=4631->guuid=a2a19314-1900-0000-c43c-c72923120000 pid=4643 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1736882 Sample: main_arm.elf Startdate: 15/07/2025 Architecture: LINUX Score: 80 32 109.202.202.202, 80 INIT7CH Switzerland 2->32 34 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->34 36 2 other IPs or domains 2->36 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected Mirai 2->48 9 main_arm.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 process5 15 main_arm.elf sh 9->15         started        process6 17 sh crontab 15->17         started        21 sh 15->21         started        file7 30 /var/spool/cron/crontabs/tmp.HTEbov, ASCII 17->30 dropped 38 Sample tries to persist itself using cron 17->38 40 Executes the "crontab" command typically for achieving persistence 17->40 23 sh crontab 21->23         started        26 sh crontab 21->26         started        28 sh grep 21->28         started        signatures8 process9 signatures10 50 Executes the "crontab" command typically for achieving persistence 23->50
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-07-15 10:03:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai
Malware Config
C2 Extraction:
botnet.eu.cc
Verdict:
Malicious
Tags:
trojan gafgyt
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:unixredflags3
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 c7cfbaac7a6d4c2cf1a0d75646f41de25e87128eedc03f4bfb0abce06e978525

(this sample)

  
Delivery method
Distributed via web download

Comments