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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1bd44dc2bc7afee87112216650fbabc75940fa1a3fc9dc30d8dcc9c53f11c0c. 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 30 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1bd44dc2bc7afee87112216650fbabc75940fa1a3fc9dc30d8dcc9c53f11c0c
SHA3-384 hash: baf0a9addc797e0d05a3786386cfe7e690e07afd29bed1eaadd2acad6465a827391abd7c536ecb06f934a62db613ce8a
SHA1 hash: bdf4071bfaf1185fd23dd0fdf183cc2d1ad978ee
MD5 hash: 8f36ec9754e3a6867d09e9273b39e56d
humanhash: echo-solar-foxtrot-illinois
File name:ntpd
Download: download sample
Signature Mirai
Create hunting rule
File size:131'800 bytes
First seen:2026-10-06 07:02:58 UTC
Last seen:2026-10-07 02:35:47 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:FnMpvQ3KuvxyUTbsk0EGvdaAkQY8VlqZvDbcZ4crd7yh+:pMpvQ3KeDTb3evd7X2lDbcZ4crd7yh+
TLSH T1FBD319EFF2D0CABAC44661B5EACB8553E412FA380722E20773D3FD652A2D5C45D592C2
telfhash t136213542627d8e297fb24924acac07f11956152372407f70ff5ec1c4653b009b575d8f
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 :
2
# of downloads :
57
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7139232-0
Create hunting rule

Unix.Dropper.Mirai-7540662-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Manages services
Changes access rights for a written file
Launching a process
Sets a written file as executable
Runs as daemon
Connection attempt
Creating a file
Kills processes
Creating a file in the %temp% directory
Kills critical processes
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files to set up autorun
Performs a bruteforce attack in the network
Creates or modifies files in /init.d to set up autorun
Gathering data
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-10-06T05:18:00Z UTC
Last seen:
2026-10-07T21:41:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b1bd44dc2bc7afee87112216650fbabc75940fa1a3fc9dc30d8dcc9c53f11c0c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7ab54e84-44ba-419e-beb8-ec6480eb9a20
Behavior Graph:
Download SVG
%3 guuid=7a105ff2-1700-0000-74a8-91394d0a0000 pid=2637 /usr/bin/sudo guuid=c83723f6-1700-0000-74a8-91394e0a0000 pid=2638 /tmp/sample.bin net guuid=7a105ff2-1700-0000-74a8-91394d0a0000 pid=2637->guuid=c83723f6-1700-0000-74a8-91394e0a0000 pid=2638 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=c83723f6-1700-0000-74a8-91394e0a0000 pid=2638->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=9b2596f6-1700-0000-74a8-91394f0a0000 pid=2639 /tmp/sample.bin guuid=c83723f6-1700-0000-74a8-91394e0a0000 pid=2638->guuid=9b2596f6-1700-0000-74a8-91394f0a0000 pid=2639 clone guuid=cdf79cf6-1700-0000-74a8-9139500a0000 pid=2640 /tmp/sample.bin write-config zombie guuid=9b2596f6-1700-0000-74a8-91394f0a0000 pid=2639->guuid=cdf79cf6-1700-0000-74a8-9139500a0000 pid=2640 clone guuid=652dedf6-1700-0000-74a8-9139520a0000 pid=2642 /usr/bin/dash guuid=cdf79cf6-1700-0000-74a8-9139500a0000 pid=2640->guuid=652dedf6-1700-0000-74a8-9139520a0000 pid=2642 execve guuid=b06b4432-1800-0000-74a8-9139dc0a0000 pid=2780 /usr/bin/dash guuid=cdf79cf6-1700-0000-74a8-9139500a0000 pid=2640->guuid=b06b4432-1800-0000-74a8-9139dc0a0000 pid=2780 execve guuid=41c4ba32-1800-0000-74a8-9139e00a0000 pid=2784 /usr/bin/dash guuid=cdf79cf6-1700-0000-74a8-9139500a0000 pid=2640->guuid=41c4ba32-1800-0000-74a8-9139e00a0000 pid=2784 execve guuid=a26236f7-1700-0000-74a8-9139530a0000 pid=2643 /usr/sbin/update-rc.d guuid=652dedf6-1700-0000-74a8-9139520a0000 pid=2642->guuid=a26236f7-1700-0000-74a8-9139530a0000 pid=2643 execve guuid=5b4e2dfd-1700-0000-74a8-91395d0a0000 pid=2653 /usr/bin/systemctl guuid=a26236f7-1700-0000-74a8-9139530a0000 pid=2643->guuid=5b4e2dfd-1700-0000-74a8-91395d0a0000 pid=2653 execve guuid=fda87f32-1800-0000-74a8-9139de0a0000 pid=2782 /usr/bin/dash guuid=b06b4432-1800-0000-74a8-9139dc0a0000 pid=2780->guuid=fda87f32-1800-0000-74a8-9139de0a0000 pid=2782 clone guuid=2063f832-1800-0000-74a8-9139e20a0000 pid=2786 /usr/bin/systemctl guuid=41c4ba32-1800-0000-74a8-9139e00a0000 pid=2784->guuid=2063f832-1800-0000-74a8-9139e20a0000 pid=2786 execve guuid=f44fb933-1800-0000-74a8-9139e50a0000 pid=2789 /usr/lib/systemd/systemd-sysv-install guuid=2063f832-1800-0000-74a8-9139e20a0000 pid=2786->guuid=f44fb933-1800-0000-74a8-9139e50a0000 pid=2789 execve guuid=54b90d34-1800-0000-74a8-9139e70a0000 pid=2791 /usr/bin/getopt guuid=f44fb933-1800-0000-74a8-9139e50a0000 pid=2789->guuid=54b90d34-1800-0000-74a8-9139e70a0000 pid=2791 execve guuid=b4c37034-1800-0000-74a8-9139ea0a0000 pid=2794 /usr/sbin/update-rc.d guuid=f44fb933-1800-0000-74a8-9139e50a0000 pid=2789->guuid=b4c37034-1800-0000-74a8-9139ea0a0000 pid=2794 execve guuid=4e658d70-1800-0000-74a8-9139680b0000 pid=2920 /usr/sbin/update-rc.d guuid=f44fb933-1800-0000-74a8-9139e50a0000 pid=2789->guuid=4e658d70-1800-0000-74a8-9139680b0000 pid=2920 execve guuid=7b518c36-1800-0000-74a8-9139f10a0000 pid=2801 /usr/bin/systemctl guuid=b4c37034-1800-0000-74a8-9139ea0a0000 pid=2794->guuid=7b518c36-1800-0000-74a8-9139f10a0000 pid=2801 execve guuid=42a02072-1800-0000-74a8-9139690b0000 pid=2921 /usr/bin/systemctl guuid=4e658d70-1800-0000-74a8-9139680b0000 pid=2920->guuid=42a02072-1800-0000-74a8-9139690b0000 pid=2921 execve
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/309d8c90-c689-4a76-b3da-906288414d68
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b1bd44dc2bc7afee87112216650fbabc75940fa1a3fc9dc30d8dcc9c53f11c0c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b1bd44dc2bc7afee87112216650fbabc75940fa1a3fc9dc30d8dcc9c53f11c0c/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-10-06 07:03:29 UTC
File Type:
ELF64 Little (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wg6ujxbly6x65byreilgkd52xr2zid5bup6j3qynrxgjyu7rdqga._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt botnet defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/261006-hvgtvst1fz/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Reads system routing table
Schedules an At job
File and Directory Permissions Modification
Detected Gafgyt variant
Family: Gafgyt/Bashlite
Malware Config
C2 Extraction:
64.89.160.222:55487
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b1bd44dc2bc7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/b1bd44dc2bc7afee87112216650fbabc75940fa1a3fc9dc30d8dcc9c53f11c0c

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_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:ELF_DDoS_Gafgyt_Variant
Create hunting rule
Author:Serhii Kocherhan
Description:Detects Gafgyt (Qbot) / Mirai variant with specific DDoS functions (vseattack, ftcp, SendHTTPHex) and recon routines
Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Gafgyt_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_09c3070e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_32eb0c81
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_779e142f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a6a2adb9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_dd0d6173
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_e4a1982b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_f3d83a74
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
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: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 b1bd44dc2bc7afee87112216650fbabc75940fa1a3fc9dc30d8dcc9c53f11c0c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3916722/
  
Delivery method
Distributed via web download

Comments