MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03c4fc96fd0dadb16640dd40cc54526161963ba6b0f600c8d1d66b9b8417c106. 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 11 File information Comments
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SHA256 hash: 03c4fc96fd0dadb16640dd40cc54526161963ba6b0f600c8d1d66b9b8417c106
SHA3-384 hash: 4b5cc005fcf36429c3a03633ae313d2994a88a5ee26b6165de7d2d871ef3bd088d5a5cad0e0492e4ec8762f8bebcb03c
SHA1 hash: 9179f1a79397f5ee5d71f63dca815e14a6c43f86
MD5 hash: a38279ed75e3dfa9ab4f0d49032507ab
humanhash: failed-bacon-two-oklahoma
File name:kurayami.arm7
Download: download sample
Signature Mirai
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File size:242'076 bytes
First seen:2026-03-30 06:59:24 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:eGRS39fG63T7t+d1NOaOUUJ8YaUfROh+16rsGM/RmReP:eGRS863Ty1NOaOUUJ8Y5Ztisf/j
TLSH T1B6343B86EA814A13C4D627BEF69F424933339754D3EB720299296FB0378779E0F63605
telfhash t16b4110b18b74662669a1d818d9fc97a2292ecb071344fe33df25c88c281944fe53bc4f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 93da1b21340a94e2ae7e298b9129697b90972ac017ecad792cbbf64ed15952b3
File size (compressed) :88'304 bytes
File size (de-compressed) :242'076 bytes
Format:linux/arm
Packed file: 93da1b21340a94e2ae7e298b9129697b90972ac017ecad792cbbf64ed15952b3

Intelligence

File Origin
# of uploads :
1
# of downloads :
55
Origin country :
NL NL
Vendor Threat Intelligence
Gathering data
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
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Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7135897-0
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Unix.Dropper.Mirai-7135901-0
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Unix.Dropper.Mirai-7135909-0
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Unix.Trojan.Mirai-7135916-0
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Unix.Dropper.Mirai-7135918-0
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Unix.Dropper.Mirai-7135925-0
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Unix.Dropper.Mirai-7135954-0
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Unix.Dropper.Mirai-7136016-0
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Unix.Dropper.Mirai-7136028-0
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Unix.Trojan.Mirai-8025795-0
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Unix.Trojan.Mirai-9441505-0
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Unix.Trojan.Mirai-9760303-0
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Unix.Dropper.Mirai-10007027-0
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Unix.Trojan.Mirai-10009361-0
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Unix.Trojan.Mirai-10059006-0
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Unix.Trojan.Mirai-10059216-0
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YARA.SIGNATURE_BASE_MAL_ARM_LNX_Mirai_Mar13_2022.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Connection attempt
Runs as daemon
Sends data to a server
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt gcc masquerade mirai obfuscated rust
Link:
https://www.filescan.io/uploads/69ca1f94e2df9aa488bd90a9/reports/65751a5e-374e-4507-981f-8c867b0f88e2/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
48
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/03c4fc96fd0dadb16640dd40cc54526161963ba6b0f600c8d1d66b9b8417c106
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-03-29T23:19:00Z UTC
Last seen:
2026-03-30T04:27:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/03c4fc96fd0dadb16640dd40cc54526161963ba6b0f600c8d1d66b9b8417c106/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/31f832aa-d618-46ee-8f7c-d2ec6df91b57
Behavior Graph:
Download SVG
%3 guuid=baad5b52-1b00-0000-c503-78c7450c0000 pid=3141 /usr/bin/sudo guuid=3d612a55-1b00-0000-c503-78c74d0c0000 pid=3149 /tmp/sample.bin guuid=baad5b52-1b00-0000-c503-78c7450c0000 pid=3141->guuid=3d612a55-1b00-0000-c503-78c74d0c0000 pid=3149 execve
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/503f73eb-24fd-43fb-9f7f-e13513db4b10
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/03c4fc96fd0dadb16640dd40cc54526161963ba6b0f600c8d1d66b9b8417c106
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/03c4fc96fd0dadb16640dd40cc54526161963ba6b0f600c8d1d66b9b8417c106/
Threat name:
Linux.Backdoor.Mirai
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Status:
Malicious
First seen:
2026-03-30 07:00:42 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=apcpzfx5bww3czsa3vamyvcsmfqzmo5gwd3absgr2zvzxbaxyeda._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/260330-hs1h7aaz5n/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
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/03c4fc96fd0dadb16640dd40cc54526161963ba6b0f600c8d1d66b9b8417c106

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
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
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Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
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Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
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Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
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Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
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Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
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Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
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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
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Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
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Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
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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 93da1b21340a94e2ae7e298b9129697b90972ac017ecad792cbbf64ed15952b3

Mirai

elf 03c4fc96fd0dadb16640dd40cc54526161963ba6b0f600c8d1d66b9b8417c106

(this sample)

  
Dropped by
SHA256 93da1b21340a94e2ae7e298b9129697b90972ac017ecad792cbbf64ed15952b3
  
Dropped by
MD5 c079bab5df368be0312e26771bcff92c
  
URLhaus
https://urlhaus.abuse.ch/url/3808202/
  
Delivery method
Distributed via web download

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