MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd741c9af26c97723390dc102ba1b98a753d145ec9779547fb915a05b01975a6. 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: 8


Intelligence 8 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fd741c9af26c97723390dc102ba1b98a753d145ec9779547fb915a05b01975a6
SHA3-384 hash: 6198b2b2f2f7abe02460d7f00d01d4fdbc67b2b87b7cc805bc2b288d5e7673dce248016a616621e322c092013946c9b0
SHA1 hash: afc798265ff0e31f598355166c8a6052565c833d
MD5 hash: 965a1e456ef47ec89faec38fdcf85c8c
humanhash: lactose-summer-jupiter-freddie
File name:sh4.urbotnetisass
Download: download sample
Signature Mirai
Create hunting rule
File size:185'384 bytes
First seen:2025-09-11 03:18:32 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Sg4n7T90sSN/So8R+mucd1yAMJ+ktZn/0cNrd1bpFniCdb0hWuonGE3JQ:Sg6Ha8R+mL1yGk7n/0c5d1/iCdIEuY3W
TLSH T16604BF22C9615E94C05856B2B4F1CF3C8F23696041872EB969D9CB75A047E8CB35EBFC
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 mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
111
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Mirai-9951087-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-vm
Link:
https://www.filescan.io/uploads/68c23f92c62f699623887a65/reports/537b2c90-73b8-4d3f-ac78-90911a29f866/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-11T01:12:00Z UTC
Last seen:
2025-09-11T01:12:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/fd741c9af26c97723390dc102ba1b98a753d145ec9779547fb915a05b01975a6/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/4fc58d5e-509a-4402-a0da-65af8d7ea334
Behavior Graph:
Download SVG
%3 guuid=cc2790e5-1600-0000-b448-436d9d0d0000 pid=3485 /usr/bin/sudo guuid=fb9e4ee7-1600-0000-b448-436d9e0d0000 pid=3486 /tmp/sample.bin guuid=cc2790e5-1600-0000-b448-436d9d0d0000 pid=3485->guuid=fb9e4ee7-1600-0000-b448-436d9e0d0000 pid=3486 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/16664baf-26a0-4489-b000-3a039831a7ee
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1775275
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Writes identical ELF files to multiple locations
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1775275 Sample: sh4.urbotnetisass.elf Startdate: 11/09/2025 Architecture: LINUX Score: 92 47 94.154.35.153, 43212 SELECTELRU Ukraine 2->47 49 109.202.202.202, 80 INIT7CH Switzerland 2->49 51 2 other IPs or domains 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 Yara detected Gafgyt 2->57 59 Yara detected Mirai 2->59 10 sh4.urbotnetisass.elf 2->10         started        12 udisksd dumpe2fs 2->12         started        14 udisksd dumpe2fs 2->14         started        16 12 other processes 2->16 signatures3 process4 process5 18 sh4.urbotnetisass.elf 10->18         started        file6 39 /_dev_shm_.6262_librt.so.1, ELF 18->39 dropped 41 /_dev_shm_.6262_libpthread.so.0, ELF 18->41 dropped 43 /_dev_shm_.6262_libm.so.6, ELF 18->43 dropped 45 6 other malicious files 18->45 dropped 61 Writes identical ELF files to multiple locations 18->61 22 sh4.urbotnetisass.elf 18->22         started        24 sh4.urbotnetisass.elf 18->24         started        signatures7 process8 process9 26 sh4.urbotnetisass.elf 22->26         started        29 sh4.urbotnetisass.elf 24->29         started        signatures10 63 Sample reads /proc/mounts (often used for finding a writable filesystem) 26->63 65 Deletes system log files 26->65 31 sh4.urbotnetisass.elf 26->31         started        33 sh4.urbotnetisass.elf 26->33         started        35 sh4.urbotnetisass.elf 26->35         started        37 7 other processes 26->37 process11
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fd741c9af26c97723390dc102ba1b98a753d145ec9779547fb915a05b01975a6
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fd741c9af26c97723390dc102ba1b98a753d145ec9779547fb915a05b01975a6/
Threat name:
Linux.Exploit.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-11 03:19:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7v2bzgxsnslxem4q3qicxinzrj2t2fc6zf3zkr73sfnalmazowta._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250911-dtynrsfm2s/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136288-0
YARA:
n/a
Link:
https://app.threat.zone/submission/73d28524-1170-4be1-8c6a-42c8508965bc
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/fd741c9af26c97723390dc102ba1b98a753d145ec9779547fb915a05b01975a6

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_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf fd741c9af26c97723390dc102ba1b98a753d145ec9779547fb915a05b01975a6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3618253/
  
Delivery method
Distributed via web download

Comments