MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1d800e1886a4f28f1d7169cc29b1b0689b2112bd0ad7eae404bed3f79a9c8d5. 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: 7


Intelligence 7 IOCs YARA 13 File information Comments
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SHA256 hash: b1d800e1886a4f28f1d7169cc29b1b0689b2112bd0ad7eae404bed3f79a9c8d5
SHA3-384 hash: 95f27fe29feb72abe1c81b1219e815f256e84f1ccce6735825b6a7f6947250000b6fbe47e85bedd9dcea216a92e4ddd7
SHA1 hash: f489179e07ab87aa563d0b3cd28126c0861f0e1e
MD5 hash: 109714e5744758e167f6e30e413abb0b
humanhash: august-uranus-paris-berlin
File name:vlxx.m68k
Download: download sample
Signature Mirai
Create hunting rule
File size:365'644 bytes
First seen:2026-08-10 05:36:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:dV7Qo3fcGFXoEIEIR2CJOLIDs8xT0LFNCTYsavC2ip:TkGFXoa8WiPT0amC2ip
TLSH T1D9742A8882F5FBDEE296FA3993147C0B5C218B367083758561AEF96313B72450AFDD60
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
62
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32144.LX.BOT.UNOFFICIAL
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
base64 expand gcc lolbin masquerade
Link:
https://www.filescan.io/uploads/6a7963b4ffaf1425346d0a2e/reports/70344b33-ae03-4151-8e03-5c745dc7505e/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-08-10T03:00:00Z UTC
Last seen:
2026-08-10T12:58:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/b1d800e1886a4f28f1d7169cc29b1b0689b2112bd0ad7eae404bed3f79a9c8d5/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/73f3cba7-3c4c-4818-8764-ab99f277d6ec
Behavior Graph:
Download SVG
%3 guuid=c238405d-1c00-0000-3e8e-98f8f20a0000 pid=2802 /usr/bin/sudo guuid=f03d125f-1c00-0000-3e8e-98f8f90a0000 pid=2809 /tmp/sample.bin guuid=c238405d-1c00-0000-3e8e-98f8f20a0000 pid=2802->guuid=f03d125f-1c00-0000-3e8e-98f8f90a0000 pid=2809 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/af2a9582-206a-4a2e-89ba-42d8dcee9442
Result
Threat name:
DirtyFrag, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1954806
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Attempts to enable/disable Ctrl-Alt-Delete system rebooting
Drops files in suspicious directories
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Uses TOR for connection hidding
Writes identical ELF files to multiple locations
Yara detected DirtyFrag
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b1d800e1886a4f28f1d7169cc29b1b0689b2112bd0ad7eae404bed3f79a9c8d5
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b1d800e1886a4f28f1d7169cc29b1b0689b2112bd0ad7eae404bed3f79a9c8d5/
Threat name:
Linux.Exploit.DirtyFrag
Create hunting rule
Status:
Malicious
First seen:
2026-08-10 07:06:35 UTC
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=whmabyminjhsr4oxc2omfgy3a2e3eejl2cwx5lsajpwt66njzdkq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260810-gbgjbasaqb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b1d800e1886a4f28f1d7169cc29b1b0689b2112bd0ad7eae404bed3f79a9c8d5

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:EXPL_HKTL_LNX_DirtyFragShellcode_May26
Create hunting rule
Author:Pezier Pierre-Henri (Nextron Systems)
Description:Detects a shellcode observed in dirtyfrag, a local privilege escalation exploit for Linux.
Reference:https://github.com/V4bel/dirtyfrag/tree/master
Rule name:EXPL_LNX_DirtyFrag_ForensicArtefacts_May26
Create hunting rule
Author:Florian Roth
Description:Detects DirtyFrag exploit code POC usage in Linux environments
Reference:https://github.com/V4bel/dirtyfrag/tree/master
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:linux_generic_ipv6_variants_catcher
Create hunting rule
Author:@_lubiedo
Description:Find IPv6 capable malware for a set of IoT variants
Rule name:linux_generic_irc_catcher
Create hunting rule
Author:@_lubiedo
Description:Find new ELF IRC samples
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
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 b1d800e1886a4f28f1d7169cc29b1b0689b2112bd0ad7eae404bed3f79a9c8d5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3900488/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3900414/

Comments