MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84bf9231c261512cca7b4530d98bc48c7c6d4c86e5ed76ea389e2c655edbde82. 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 9 File information Comments

SHA256 hash: 84bf9231c261512cca7b4530d98bc48c7c6d4c86e5ed76ea389e2c655edbde82
SHA3-384 hash: ef7c7ad7f72b07f712121e81329ce1da693893a49857ef707be16456adac671ceff609daa8e496f81e94ee131df22c75
SHA1 hash: 03d074a1d5bddb5e7147303f65588d1687abd52d
MD5 hash: 1fee0f3f587372e92e551eb24f34cce3
humanhash: fish-thirteen-freddie-early
File name:sumrak.i586
Download: download sample
Signature Mirai
File size:84'012 bytes
First seen:2026-01-16 02:02:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:OaNiXGFuODncts3aukt51UvFsQOiM0xeSjukBNgS6m:miNcts3xk3C9m0xH/NgS6
TLSH T135838DC9FA83D4F6F49304B651379B3B8733E8295436CE43C76D99369C92901E62A32D
telfhash t1a451f3e23ea919fcb3d0bc8dd32e5b839726dab71625717949f1950237f35a18075830
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 27f2ed70932bbd6a3791ad9a2cd0398ef6a6aa3856dda217ae97b78450b64ff8
File size (compressed) :38'568 bytes
File size (de-compressed) :84'012 bytes
Format:linux/i386
Packed file: 27f2ed70932bbd6a3791ad9a2cd0398ef6a6aa3856dda217ae97b78450b64ff8

Intelligence


File Origin
# of uploads :
1
# of downloads :
51
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bash lolbin masquerade mirai
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-15T23:10:00Z UTC
Last seen:
2026-01-15T23:57:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=21f9af70-1a00-0000-78ba-d458400a0000 pid=2624 /usr/bin/sudo guuid=a6786c72-1a00-0000-78ba-d458470a0000 pid=2631 /tmp/sample.bin net guuid=21f9af70-1a00-0000-78ba-d458400a0000 pid=2624->guuid=a6786c72-1a00-0000-78ba-d458470a0000 pid=2631 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=a6786c72-1a00-0000-78ba-d458470a0000 pid=2631->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=0a559172-1a00-0000-78ba-d458490a0000 pid=2633 /tmp/sample.bin guuid=a6786c72-1a00-0000-78ba-d458470a0000 pid=2631->guuid=0a559172-1a00-0000-78ba-d458490a0000 pid=2633 clone guuid=c2b89472-1a00-0000-78ba-d4584a0a0000 pid=2634 /tmp/sample.bin guuid=a6786c72-1a00-0000-78ba-d458470a0000 pid=2631->guuid=c2b89472-1a00-0000-78ba-d4584a0a0000 pid=2634 clone guuid=14cd9872-1a00-0000-78ba-d4584b0a0000 pid=2635 /tmp/sample.bin net send-data zombie guuid=a6786c72-1a00-0000-78ba-d458470a0000 pid=2631->guuid=14cd9872-1a00-0000-78ba-d4584b0a0000 pid=2635 clone guuid=14cd9872-1a00-0000-78ba-d4584b0a0000 pid=2635->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con ff18ffb3-2a60-5dd8-95ab-de107a9af169 91.92.240.251:1997 guuid=14cd9872-1a00-0000-78ba-d4584b0a0000 pid=2635->ff18ffb3-2a60-5dd8-95ab-de107a9af169 send: 335B guuid=5751bf72-1a00-0000-78ba-d4584c0a0000 pid=2636 /tmp/sample.bin guuid=14cd9872-1a00-0000-78ba-d4584b0a0000 pid=2635->guuid=5751bf72-1a00-0000-78ba-d4584c0a0000 pid=2636 clone guuid=9e60c272-1a00-0000-78ba-d4584d0a0000 pid=2637 /tmp/sample.bin guuid=14cd9872-1a00-0000-78ba-d4584b0a0000 pid=2635->guuid=9e60c272-1a00-0000-78ba-d4584d0a0000 pid=2637 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Behaviour
Behavior Graph:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-16 02:10:18 UTC
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:owari linux
Malware Config
C2 Extraction:
sumrak2026.duckdns.org
Verdict:
Malicious
Tags:
trojan mirai Unix.Dropper.Mirai-7135890-0
YARA:
Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
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_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
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_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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 84bf9231c261512cca7b4530d98bc48c7c6d4c86e5ed76ea389e2c655edbde82

(this sample)

  
Delivery method
Distributed via web download

Comments