MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b624c781abddeb411a18947520a17d21991ddf2c6c82d802a820d2645baa8f85. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b624c781abddeb411a18947520a17d21991ddf2c6c82d802a820d2645baa8f85
SHA3-384 hash: 567aaea803c78f14e399f87e29b92bec82bda65bac977416ceb219d18afd46bc420bf82e423e5e95c1ad8b15c7942aed
SHA1 hash: 8d2620ceee747a7631192d14aff453835145dd2b
MD5 hash: c1a7744f2a66c950538f28e1e2d4f2a7
humanhash: arizona-emma-fifteen-sierra
File name:ub8ehJSePAfc9FYqZIT6.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:159'066 bytes
First seen:2026-01-21 07:38:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:0K4rgjAE6Zn+8o3b/hsRta7NCkHulbvM/9RW+mew8qri27:0K4r2j6Zn+86zORtaokHulTM/9Lmew8k
TLSH T11CF33B46E7418A13C4D61B7ABADF820633239B64E3DB33069928BFF43F867990E57505
telfhash t1f6212f72573682156a76dbaccdeca7a201144b13a346ff33ef21c4ec141a045d629c8f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 0f11e8b57cc0e4c27dc4481ca0a769ee969eb6d03921ef17ca8252503a1cc52d
File size (compressed) :60'620 bytes
File size (de-compressed) :159'066 bytes
Format:linux/arm
Packed file: 0f11e8b57cc0e4c27dc4481ca0a769ee969eb6d03921ef17ca8252503a1cc52d

Intelligence

File Origin
# of uploads :
1
# of downloads :
30
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
Link:
https://research.acce.ciphertechsolutions.com/results/30561a4f-4567-4a4a-8aa1-8539f64a6124/
Detection(s):
Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc masquerade opendir rust
Link:
https://www.filescan.io/uploads/697082af5db9ae47708b5a40/reports/1ea03bd9-78a6-4297-9670-06f0b21464b6/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
4
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b624c781abddeb411a18947520a17d21991ddf2c6c82d802a820d2645baa8f85
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6a71fd3b-fa2a-4b5d-8150-8e0f21f6cf09
Behavior Graph:
Download SVG
%3 guuid=f73ada93-1a00-0000-e671-2140cc070000 pid=1996 /usr/bin/sudo guuid=0e4ae395-1a00-0000-e671-2140cf070000 pid=1999 /tmp/sample.bin guuid=f73ada93-1a00-0000-e671-2140cc070000 pid=1996->guuid=0e4ae395-1a00-0000-e671-2140cf070000 pid=1999 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6c9a027e-2847-44c3-bfa9-8230ca03d68a
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1854612
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1854612 Sample: ub8ehJSePAfc9FYqZIT6.arm7.elf Startdate: 21/01/2026 Architecture: LINUX Score: 56 23 weifang.serveftp.com 45.83.207.194, 3778, 39850, 39852 CLOUVIDERClouvider-GlobalASNGB Netherlands 2->23 25 34.254.182.186, 443 AMAZON-02US United States 2->25 27 54.217.10.153, 34606, 443 AMAZON-02US United States 2->27 29 Antivirus / Scanner detection for submitted sample 2->29 31 Multi AV Scanner detection for submitted file 2->31 7 ub8ehJSePAfc9FYqZIT6.arm7.elf 2->7         started        9 dash rm 2->9         started        11 dash grep 2->11         started        13 dash rm 2->13         started        signatures3 process4 process5 15 ub8ehJSePAfc9FYqZIT6.arm7.elf 7->15         started        17 ub8ehJSePAfc9FYqZIT6.arm7.elf 7->17         started        19 ub8ehJSePAfc9FYqZIT6.arm7.elf 7->19         started        21 ub8ehJSePAfc9FYqZIT6.arm7.elf 7->21         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b624c781abddeb411a18947520a17d21991ddf2c6c82d802a820d2645baa8f85
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b624c781abddeb411a18947520a17d21991ddf2c6c82d802a820d2645baa8f85/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wysmpanl3xvucgqysr2sbil5egmr3xzmnsbnqaviedjgiw5kr6cq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion
Link:
https://tria.ge/reports/260121-jg629scv3f/
Behaviour
Writes file to tmp directory
Changes its process name
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.

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_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 0f11e8b57cc0e4c27dc4481ca0a769ee969eb6d03921ef17ca8252503a1cc52d

Mirai

elf b624c781abddeb411a18947520a17d21991ddf2c6c82d802a820d2645baa8f85

(this sample)

  
Dropped by
SHA256 0f11e8b57cc0e4c27dc4481ca0a769ee969eb6d03921ef17ca8252503a1cc52d
  
URLhaus
https://urlhaus.abuse.ch/url/3759482/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 8a8a744159889edf1ecb4ba58af35278

Comments