MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b77ce30c38dc5fdb21e86d0b30cf4c66e039b5caeff0090fcc7303bf7fb354e6. 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 5 File information Comments

SHA256 hash: b77ce30c38dc5fdb21e86d0b30cf4c66e039b5caeff0090fcc7303bf7fb354e6
SHA3-384 hash: 6697b3872f10cf61c542b7d014229991a9fef09d2bcf3caf7d13dfb1a612193256be70ac547abe75c78af8a50b132a2e
SHA1 hash: 4ae2c139f0d3a4f177d9e333d8fd6fb3ffbdd0b6
MD5 hash: 79256a66ddc07d1202781295ecc0e472
humanhash: fillet-lion-salami-louisiana
File name:sh4
Download: download sample
Signature Mirai
File size:116'164 bytes
First seen:2025-12-28 18:47:50 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:EspS9Z5XpVFhLUwtsOsZV/xXfuKs1575x94KYq9OTxcKxTaIF9aB/CDPZLCeDt:EpjZXcnO0nX415FrbsxDxpaB/WVFDt
TLSH T168B3AE35D079BEC4D0A14534B8B0EE711BA2F2C442462EBB39E684750487EA4FA1DFF6
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 gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
43
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
a c2 socket address and a scan socket address
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-28T15:18:00Z UTC
Last seen:
2025-12-28T17:57:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.gg
Status:
terminated
Behavior Graph:
%3 guuid=2327f677-1900-0000-2290-4db0b1090000 pid=2481 /usr/bin/sudo guuid=b407047a-1900-0000-2290-4db0b9090000 pid=2489 /tmp/sample.bin guuid=2327f677-1900-0000-2290-4db0b1090000 pid=2481->guuid=b407047a-1900-0000-2290-4db0b9090000 pid=2489 execve
Result
Threat name:
Mirai, Moobot
Detection:
malicious
Classification:
troj
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Yara detected Moobot
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840871 Sample: sh4.elf Startdate: 28/12/2025 Architecture: LINUX Score: 88 23 169.254.169.254, 80 USDOSUS Reserved 2->23 25 109.202.202.202, 80 INIT7CH Switzerland 2->25 27 4 other IPs or domains 2->27 29 Malicious sample detected (through community Yara rule) 2->29 31 Antivirus / Scanner detection for submitted sample 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 2 other signatures 2->35 7 sh4.elf 2->7         started        9 python3.8 dpkg 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 process5 15 sh4.elf 7->15         started        17 sh4.elf 7->17         started        19 sh4.elf 7->19         started        21 sh4.elf 7->21         started       
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-12-28 18:48:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135890-0
YARA:
n/a
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 b77ce30c38dc5fdb21e86d0b30cf4c66e039b5caeff0090fcc7303bf7fb354e6

(this sample)

  
Delivery method
Distributed via web download

Comments