MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1fa785a37fd03276effde035c81addd23415dfa8ab4ccce30e7deb806d3bb24. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a1fa785a37fd03276effde035c81addd23415dfa8ab4ccce30e7deb806d3bb24
SHA3-384 hash: 8d32c2b64742b65746ca7f7200e8f284b752cf463ecbccea3b16fdce9df32831210e3a5e3b7542eefedaebf4f33f2a21
SHA1 hash: 9902ccea3c08088945ee5f13a0c3ed03adcc130c
MD5 hash: a2f2aec5e15b7c4beb73a49781e1b2bb
humanhash: nebraska-triple-wolfram-xray
File name:morte.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:40'900 bytes
First seen:2025-08-02 11:50:21 UTC
Last seen:2025-08-10 14:54:18 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:CRHz/+S7TXPzJgXwr27XJcK3A4QBtvKxSyAs3UozPm:AHLt7Tvy6cFOvNYze
TLSH T13203F1319F2E2995BA325D78DE91D2C235F70E7CF1E9733749384B14A2D92222A3181E
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 UPX
File size (compressed) :40'900 bytes
File size (de-compressed) :91'948 bytes
Format:linux/arm
Unpacked file: b9f837260f33f795ed8441f7a233c7c7a6f4eb735a70e3b3411a7385f25c7ab0

Intelligence

File Origin
# of uploads :
4
# of downloads :
29
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/688dfb8d32e61090868b0c01/reports/168273cc-5740-412a-99b9-870be0892f9d/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
47
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a1fa785a37fd03276effde035c81addd23415dfa8ab4ccce30e7deb806d3bb24
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/be8652c5-0ab7-4227-b8c9-f93aa84d85f2
Behavior Graph:
Download SVG
%3 guuid=086e12a4-1a00-0000-1215-00cb1c0b0000 pid=2844 /usr/bin/sudo guuid=1a7c9da6-1a00-0000-1215-00cb200b0000 pid=2848 /tmp/sample.bin guuid=086e12a4-1a00-0000-1215-00cb1c0b0000 pid=2844->guuid=1a7c9da6-1a00-0000-1215-00cb200b0000 pid=2848 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a8a3c73d-7af5-48ec-a275-8d33e31f5def
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1749036
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1749036 Sample: morte.arm.elf Startdate: 02/08/2025 Architecture: LINUX Score: 60 25 169.254.169.254, 80 USDOSUS Reserved 2->25 27 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->27 29 daisy.ubuntu.com 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Sample is packed with UPX 2->33 10 morte.arm.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 process4 process5 14 morte.arm.elf 10->14         started        process6 16 morte.arm.elf 14->16         started        process7 18 morte.arm.elf 16->18         started        process8 20 morte.arm.elf 18->20         started        23 morte.arm.elf 18->23         started        signatures9 35 Manipulation of devices in /dev 20->35 37 Deletes system log files 20->37
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a1fa785a37fd03276effde035c81addd23415dfa8ab4ccce30e7deb806d3bb24
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a1fa785a37fd03276effde035c81addd23415dfa8ab4ccce30e7deb806d3bb24/
Threat name:
Linux.Trojan.Svirtu
Create hunting rule
Status:
Malicious
First seen:
2025-08-02 11:50:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uh5hqwrx7ubso3x73ybvzann3urucxp2rk2mztrq47plqbwtxmsa._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/250802-nzt8msgj5s/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/740613bc-fbf1-496a-98ed-7ee35f6d4617
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/a1fa785a37fd03276effde035c81addd23415dfa8ab4ccce30e7deb806d3bb24

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

sh 6e222f8a48a2f9d78aaee73cd3ae28bb4cdda7cfc5c8124a79651752ee185e0f

Mirai

elf a1fa785a37fd03276effde035c81addd23415dfa8ab4ccce30e7deb806d3bb24

(this sample)

Mirai

elf b9f837260f33f795ed8441f7a233c7c7a6f4eb735a70e3b3411a7385f25c7ab0

  
Dropping
SHA256 b9f837260f33f795ed8441f7a233c7c7a6f4eb735a70e3b3411a7385f25c7ab0
  
Dropping
MD5 8cedf03ff3c7311aa43ec322a86d2373
  
URLhaus
https://urlhaus.abuse.ch/url/3590624/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3590933/
  
URLhaus
https://urlhaus.abuse.ch/url/3586701/
  
Dropped by
SHA256 6e222f8a48a2f9d78aaee73cd3ae28bb4cdda7cfc5c8124a79651752ee185e0f
  
Dropped by
MD5 5f9c5403f85d1f03dd4831b884ac178f
  
URLhaus
https://urlhaus.abuse.ch/url/3586704/
  
Dropped by
SHA256 690b4554964fafa1929e8fffdacb313017accc5b527bbc23f2f8d50f82020240
  
Dropped by
MD5 68436923d83ddfcd3900408b014c2152
  
URLhaus
https://urlhaus.abuse.ch/url/3586702/
  
Dropped by
SHA256 512f579b80c4bd3a4ec1af437e49eae80fa64836bc3927dc9efaf9500e99e08a
  
Dropped by
MD5 1cd290547ce5507f04eb8967c617f598
  
URLhaus
https://urlhaus.abuse.ch/url/3586691/

Comments