MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b1a566355a6574e0b0391ef7d73caac9c87f3b3decba76b0814f5d52dea9475. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments

SHA256 hash: 2b1a566355a6574e0b0391ef7d73caac9c87f3b3decba76b0814f5d52dea9475
SHA3-384 hash: 7b2295349277c7efa02e381e0d32cd3c7b6997e81c0dbf88eaac504083f0d2ed37e79faf64b46844bb8d9d194d4106c8
SHA1 hash: c1b64f2472e0431037955fc5a206f171a2c7eb02
MD5 hash: dc8d2257dee84487d99859b45a143059
humanhash: video-california-mango-bravo
File name:nshkppc
Download: download sample
Signature Mirai
File size:142'412 bytes
First seen:2025-12-02 17:23:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Lr2ePsGIcBxxwY719tUt3/BDcDHJgCX98ivAM46RSquyQB2AkqcPCbL8f:LVnxwEkCDpgxbMx0b4f
TLSH T178D32B06B30C0947D1632EF43B3F27E093EFEA8121E4F641256FAA4A9171E365586EDD
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
57
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
mirai
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-02T14:28:00Z UTC
Last seen:
2025-12-02T14:28:00Z UTC
Hits:
~10
Detections:
HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Backdoor.Linux.Mirai.hj HEUR:Backdoor.Linux.Mirai.gen
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sends malformed DNS queries
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1824709 Sample: nshkppc.elf Startdate: 02/12/2025 Architecture: LINUX Score: 100 28 mirai.48101.online. [malformed] 2->28 30 ihatemylife.racist.black. [malformed] 2->30 32 103 other IPs or domains 2->32 36 Suricata IDS alerts for network traffic 2->36 38 Antivirus / Scanner detection for submitted sample 2->38 40 Multi AV Scanner detection for submitted file 2->40 44 4 other signatures 2->44 9 nshkppc.elf 2->9         started        11 dash rm 2->11         started        13 dash grep 2->13         started        15 dash rm 2->15         started        signatures3 42 Sends malformed DNS queries 30->42 process4 process5 17 nshkppc.elf 9->17         started        20 nshkppc.elf 9->20         started        signatures6 34 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->34 22 nshkppc.elf 17->22         started        24 nshkppc.elf 20->24         started        process7 process8 26 nshkppc.elf 22->26         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-02 17:06:05 UTC
File Type:
ELF32 Big (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Result
Malware family:
hailbot
Score:
  10/10
Tags:
family:hailbot linux
Verdict:
Malicious
Tags:
botnet mirai Unix.Dropper.Mirai-7135957-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1
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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
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 2b1a566355a6574e0b0391ef7d73caac9c87f3b3decba76b0814f5d52dea9475

(this sample)

  
Delivery method
Distributed via web download

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