MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3c874e5363d5e8bf05be2833b61aaa2a1e283ad72d0b2493b43c05c6d294b2f. 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 5 File information Comments

SHA256 hash: b3c874e5363d5e8bf05be2833b61aaa2a1e283ad72d0b2493b43c05c6d294b2f
SHA3-384 hash: 7e6fc73442414c4b185548ddd9629533dcd19013768704d28604e3a2ed8dfa6001f6a42808b25d073a33e8cbd5f8d56e
SHA1 hash: 75b74fcd176776eab20249a952a2981a0959a9e4
MD5 hash: dc70ddfca53c48babcd48874c32af8d2
humanhash: don-neptune-don-shade
File name:ub8ehJSePAfc9FYqZIT6.arm6
Download: download sample
Signature Mirai
File size:142'844 bytes
First seen:2026-01-21 08:07:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Gzd1emY0+MxOIXKI+h35E/Qk/vplaCq2ELL:61emYlMPXyh3EQk/vplaC0L
TLSH T168D3F746F8819B12D5D511BAFE1E124E37231B78E2DE73029D24AF31778A9BB0E7B405
telfhash t1be01c0d786901d9e53c0b30596dc562a1bb075fe3b319835974cda8b9017dc4603d937
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 1814fe9a5d6f9e23f5da4b3e43828d008c24639df2d0f84318f03dd0e5e0a008
File size (compressed) :53'656 bytes
File size (de-compressed) :142'844 bytes
Format:linux/arm
Packed file: 1814fe9a5d6f9e23f5da4b3e43828d008c24639df2d0f84318f03dd0e5e0a008

Intelligence


File Origin
# of uploads :
1
# of downloads :
33
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=7baaf2f8-1700-0000-d6be-fc5293050000 pid=1427 /usr/bin/sudo guuid=a309defa-1700-0000-d6be-fc5296050000 pid=1430 /tmp/sample.bin guuid=7baaf2f8-1700-0000-d6be-fc5293050000 pid=1427->guuid=a309defa-1700-0000-d6be-fc5296050000 pid=1430 execve
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1854646 Sample: ub8ehJSePAfc9FYqZIT6.arm6.elf Startdate: 21/01/2026 Architecture: LINUX Score: 56 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 3 other IPs or domains 2->18 20 Antivirus / Scanner detection for submitted sample 2->20 22 Multi AV Scanner detection for submitted file 2->22 6 python3.8 dpkg 2->6         started        8 dash rm 2->8         started        10 dash rm 2->10         started        12 ub8ehJSePAfc9FYqZIT6.arm6.elf 2->12         started        signatures3 process4
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-21 08:09:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd
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_Threat_d2dca9e7
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
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 b3c874e5363d5e8bf05be2833b61aaa2a1e283ad72d0b2493b43c05c6d294b2f

(this sample)

  
Delivery method
Distributed via web download

Comments