MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 305b3d191511505f486e0e018b22fa9320b3d6ea6a4f598086aec2af4f4b946a. 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 16 File information Comments

SHA256 hash: 305b3d191511505f486e0e018b22fa9320b3d6ea6a4f598086aec2af4f4b946a
SHA3-384 hash: cd9ce7c011211dfc62c54222ab65c7810f2328d0be1f7c836e54f627a7f99d44199133ced6b6352c470ab92a2d0e6f2c
SHA1 hash: 16a3138371651d28ab4c06e6fbaeefe960ccfa5b
MD5 hash: 0b55e5b33df6551959b24c9d37019978
humanhash: fillet-utah-georgia-salami
File name:x86
Download: download sample
Signature Mirai
File size:154'056 bytes
First seen:2025-12-27 18:16:30 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:GMSAME1z4XyMqmrgKRKXMDel+17lr3QN/MbOyzTshOB1mXs:BSANZ4XyvKRHZ3gkCyzTAXs
TLSH T148E36DC5F783C0FAE8560571107BBB36DEB3D53F102AEA82D7B95A31EC51601C52A6AC
telfhash t15d519bb665761ded67d05e02f28e1b31fd0ca77b382032ba06f355a0323254197b6c38
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 218a7a2e209e17ff7dab54c214c2144988b6ebeb8595224d2cdaef009f7a279f
File size (compressed) :62'596 bytes
File size (de-compressed) :154'056 bytes
Format:linux/i386
Packed file: 218a7a2e209e17ff7dab54c214c2144988b6ebeb8595224d2cdaef009f7a279f

Intelligence


File Origin
# of uploads :
1
# of downloads :
41
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-27T16:24:00Z UTC
Last seen:
2025-12-27T17:27:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=1b945237-1e00-0000-02e1-e1d4110b0000 pid=2833 /usr/bin/sudo guuid=5ac1d239-1e00-0000-02e1-e1d4120b0000 pid=2834 /tmp/sample.bin net write-config write-file guuid=1b945237-1e00-0000-02e1-e1d4110b0000 pid=2833->guuid=5ac1d239-1e00-0000-02e1-e1d4120b0000 pid=2834 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=5ac1d239-1e00-0000-02e1-e1d4120b0000 pid=2834->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=d6f0e33a-1e00-0000-02e1-e1d4160b0000 pid=2838 /usr/bin/dash guuid=5ac1d239-1e00-0000-02e1-e1d4120b0000 pid=2834->guuid=d6f0e33a-1e00-0000-02e1-e1d4160b0000 pid=2838 execve guuid=885ff13c-1e00-0000-02e1-e1d41b0b0000 pid=2843 /usr/bin/dash guuid=5ac1d239-1e00-0000-02e1-e1d4120b0000 pid=2834->guuid=885ff13c-1e00-0000-02e1-e1d41b0b0000 pid=2843 execve guuid=2f89d64d-1e00-0000-02e1-e1d4260b0000 pid=2854 /tmp/sample.bin guuid=5ac1d239-1e00-0000-02e1-e1d4120b0000 pid=2834->guuid=2f89d64d-1e00-0000-02e1-e1d4260b0000 pid=2854 clone guuid=89df097b-1f00-0000-02e1-e1d4870d0000 pid=3463 /tmp/sample.bin guuid=5ac1d239-1e00-0000-02e1-e1d4120b0000 pid=2834->guuid=89df097b-1f00-0000-02e1-e1d4870d0000 pid=3463 clone guuid=a3ca0e7b-1f00-0000-02e1-e1d4890d0000 pid=3465 /tmp/sample.bin net send-data zombie guuid=5ac1d239-1e00-0000-02e1-e1d4120b0000 pid=2834->guuid=a3ca0e7b-1f00-0000-02e1-e1d4890d0000 pid=3465 clone guuid=6440163b-1e00-0000-02e1-e1d4180b0000 pid=2840 /usr/bin/systemctl guuid=d6f0e33a-1e00-0000-02e1-e1d4160b0000 pid=2838->guuid=6440163b-1e00-0000-02e1-e1d4180b0000 pid=2840 execve guuid=87f8603d-1e00-0000-02e1-e1d41c0b0000 pid=2844 /usr/bin/systemctl guuid=885ff13c-1e00-0000-02e1-e1d41b0b0000 pid=2843->guuid=87f8603d-1e00-0000-02e1-e1d41c0b0000 pid=2844 execve guuid=d68ddc4d-1e00-0000-02e1-e1d4280b0000 pid=2856 /tmp/sample.bin guuid=2f89d64d-1e00-0000-02e1-e1d4260b0000 pid=2854->guuid=d68ddc4d-1e00-0000-02e1-e1d4280b0000 pid=2856 clone guuid=cfc9e24d-1e00-0000-02e1-e1d4290b0000 pid=2857 /tmp/sample.bin net send-data zombie guuid=2f89d64d-1e00-0000-02e1-e1d4260b0000 pid=2854->guuid=cfc9e24d-1e00-0000-02e1-e1d4290b0000 pid=2857 clone guuid=cfc9e24d-1e00-0000-02e1-e1d4290b0000 pid=2857->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1080B 51a553e2-ae0e-5eda-9e98-aa9e45810237 151.242.30.13:12121 guuid=cfc9e24d-1e00-0000-02e1-e1d4290b0000 pid=2857->51a553e2-ae0e-5eda-9e98-aa9e45810237 send: 4B guuid=a3ca0e7b-1f00-0000-02e1-e1d4890d0000 pid=3465->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 900B guuid=a3ca0e7b-1f00-0000-02e1-e1d4890d0000 pid=3465->51a553e2-ae0e-5eda-9e98-aa9e45810237 send: 4B
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840398 Sample: x86.elf Startdate: 27/12/2025 Architecture: LINUX Score: 88 35 169.254.169.254, 80 USDOSUS Reserved 2->35 37 151.242.30.13, 12121, 56268, 56270 RASANAIR Iran (ISLAMIC Republic Of) 2->37 39 3 other IPs or domains 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for dropped file 2->45 47 3 other signatures 2->47 8 x86.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        15 python3.8 dpkg 2->15         started        signatures3 process4 file5 33 /usr/local/bin/infinitd, ELF 8->33 dropped 17 x86.elf sh 8->17         started        19 x86.elf sh 8->19         started        21 x86.elf 8->21         started        23 2 other processes 8->23 process6 process7 25 sh systemctl 17->25         started        27 sh systemctl 19->27         started        29 x86.elf 21->29         started        31 x86.elf 21->31         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-27 18:17:13 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux persistence privilege_escalation
Behaviour
Reads runtime system information
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
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 305b3d191511505f486e0e018b22fa9320b3d6ea6a4f598086aec2af4f4b946a

(this sample)

Comments