MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efdd4bf6e5ff6d833ecb333249e39c60fb14bc50abd60dd6b47223a4a2b712a4. 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 5 File information Comments
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SHA256 hash: efdd4bf6e5ff6d833ecb333249e39c60fb14bc50abd60dd6b47223a4a2b712a4
SHA3-384 hash: ca73bbd3f43f10eb8924b570843bfdb26067268ced73e1835986004df755611639475c04f4b90863535d84194abdcd08
SHA1 hash: 8d01964e365e46f5d8488c4c917ce769204c7e33
MD5 hash: 39312eb47ac8093cf95ba9a284da8a4f
humanhash: lithium-ohio-orange-twelve
File name:morte.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:39'576 bytes
First seen:2025-08-19 16:16:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:Yzph9uPv3ubKrdvLmisllxWXrojXR5uoZ53zOmgs3Uozk:OphSv3uGrdjsPW7orRDlzOmVzk
TLSH T1B803F23464DEEE45D1204A3C8EB8C8C2346696AECBFE2CF475586375D35302A8DF87A1
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
File size (compressed) :39'576 bytes
File size (de-compressed) :83'764 bytes
Format:linux/arm
Unpacked file: c846f71d2e5b1104ce91f857831e20cacf918239857117de218cb7a37fcf2bf4

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed threat upx
Link:
https://www.filescan.io/uploads/68a4a3e9a4bdac9f5b9eb483/reports/c9f54c19-c1a3-4b55-ab62-c6dfc4504d63/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f7cedf20-a3e1-42a9-bd1f-785e239ee676
Behavior Graph:
Download SVG
%3 guuid=9e1b0b28-1b00-0000-567c-82d26d0b0000 pid=2925 /usr/bin/sudo guuid=2b473a2a-1b00-0000-567c-82d26e0b0000 pid=2926 /tmp/sample.bin guuid=9e1b0b28-1b00-0000-567c-82d26d0b0000 pid=2925->guuid=2b473a2a-1b00-0000-567c-82d26e0b0000 pid=2926 execve
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/98d7a80d-6acc-4d5f-b299-0b8d7db92449
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1760384
Signature
Drops files in suspicious directories
Drops invisible ELF files
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1760384 Sample: morte.arm.elf Startdate: 19/08/2025 Architecture: LINUX Score: 92 32 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->32 34 streamcodex.online 2->34 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected Mirai 2->44 46 Yara detected Xmrig cryptocurrency miner 2->46 48 Sample is packed with UPX 2->48 10 morte.arm.elf 2->10         started        signatures3 process4 signatures5 56 Found strings related to Crypto-Mining 10->56 13 morte.arm.elf 10->13         started        process6 process7 15 morte.arm.elf 13->15         started        file8 30 /etc/init.d/sysd, POSIX 15->30 dropped 36 Sample tries to set files in /etc globally writable 15->36 38 Drops files in suspicious directories 15->38 40 Sample tries to persist itself using System V runlevels 15->40 19 morte.arm.elf sh 15->19         started        21 morte.arm.elf 15->21         started        signatures9 process10 signatures11 24 sh cp 19->24         started        50 Sample deletes itself 21->50 process12 file13 28 /usr/bin/.sh, ELF 24->28 dropped 52 Drops invisible ELF files 24->52 54 Drops files in suspicious directories 24->54 signatures14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/efdd4bf6e5ff6d833ecb333249e39c60fb14bc50abd60dd6b47223a4a2b712a4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efdd4bf6e5ff6d833ecb333249e39c60fb14bc50abd60dd6b47223a4a2b712a4/
Threat name:
Linux.Trojan.Svirtu
Create hunting rule
Status:
Malicious
First seen:
2025-08-19 16:21:35 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=57oux5xf75wygpwlgmzety44md5rjpcqvpla3vvuoir2jivxcksa._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet credential_access discovery persistence upx
Link:
https://tria.ge/reports/250819-tscb5svrx8/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
UPX packed file
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Deletes itself
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5255bf1b-9e36-4278-bc71-a2bdeff9d1bc
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/efdd4bf6e5ff6d833ecb333249e39c60fb14bc50abd60dd6b47223a4a2b712a4

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_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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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

elf efdd4bf6e5ff6d833ecb333249e39c60fb14bc50abd60dd6b47223a4a2b712a4

(this sample)

Mirai

elf c846f71d2e5b1104ce91f857831e20cacf918239857117de218cb7a37fcf2bf4

  
URLhaus
https://urlhaus.abuse.ch/url/3606880/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 c846f71d2e5b1104ce91f857831e20cacf918239857117de218cb7a37fcf2bf4
  
Dropping
MD5 f643df3eef3c1c2e47260993ffc2c71d

Comments