MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 121ab6dff6c5a123daf34a82fc08dfe40320f0ce1643584e0f2caa85185622ab. 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 6 File information Comments

SHA256 hash: 121ab6dff6c5a123daf34a82fc08dfe40320f0ce1643584e0f2caa85185622ab
SHA3-384 hash: 3e0797693e25482ad8e187723fc9436796a3fe1587884b3d356b2986f421c38a5a996bc5788380e1923563fd1005862c
SHA1 hash: 4d4b61454ff5840ef247e3bed8db71b17bbde1f7
MD5 hash: c73575a9641c687b96cf237f267bdea2
humanhash: spaghetti-cup-hot-snake
File name:sh4
Download: download sample
Signature Mirai
File size:129'700 bytes
First seen:2025-12-02 17:23:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:J3MRLuA0avQDWztHKMrjKtIWx2l2/TdBEi:J6uA0aoDWzt5uRx28pBEi
TLSH T145C35AB3CC3A6E58D624D1B4B471AF792753A951814B2FBE2977C2B48043D8DF9063B8
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 Hailbot mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
55
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
expand lolbin mirai
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-30T21:42:00Z UTC
Last seen:
2025-12-02T11:44:00Z 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: 1824708 Sample: sh4.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 34 Suricata IDS alerts for network traffic 2->34 36 Antivirus / Scanner detection for submitted sample 2->36 38 Multi AV Scanner detection for submitted file 2->38 42 4 other signatures 2->42 9 sh4.elf 2->9         started        11 python3.8 dpkg 2->11         started        signatures3 40 Sends malformed DNS queries 30->40 process4 process5 13 sh4.elf 9->13         started        16 sh4.elf 9->16         started        18 sh4.elf 9->18         started        signatures6 44 Sample reads /proc/mounts (often used for finding a writable filesystem) 13->44 20 sh4.elf 13->20         started        22 sh4.elf 13->22         started        24 sh4.elf 16->24         started        process7 process8 26 sh4.elf 20->26         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-01 03:29:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Result
Malware family:
hailbot
Score:
  10/10
Tags:
family:hailbot linux
Verdict:
Malicious
Tags:
botnet mirai Unix.Dropper.Mirai-7136288-0
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:ach_202412_elf_hailbot
Author:abuse.ch
Description:Detects HailBot ELF files
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 121ab6dff6c5a123daf34a82fc08dfe40320f0ce1643584e0f2caa85185622ab

(this sample)

  
Delivery method
Distributed via web download

Comments