MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e55a4c994ea480147991ad39576dcbdbcc0f8d838f249d897ec58c5dbd498e39. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: e55a4c994ea480147991ad39576dcbdbcc0f8d838f249d897ec58c5dbd498e39
SHA3-384 hash: 54204c0480bfca71fc25ba81273e0af96d3c04387da7becb47c545250ec5e0e51db46a9b187be9aae8d35d61dd6b3e9d
SHA1 hash: 35183d867ea5c48c5c7dd6bb4484dbc995c9cb30
MD5 hash: 895e37c0e0c6503204ffbe6ac0504325
humanhash: berlin-green-king-cold
File name:morte.i686
Download: download sample
Signature Mirai
File size:39'688 bytes
First seen:2025-07-14 07:59:54 UTC
Last seen:2025-07-14 09:14:41 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:fSucKdMYl3+suirL3HErbzhi7vdFLaF1AWSRveml5U7:auLbqYL3MbY7v3aX/EvZW
TLSH T15503F2780A4CC286CF989534838DA68E4932BD97710F935377235B8E94FF9518D33E56
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

Intelligence


File Origin
# of uploads :
3
# of downloads :
15
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
Sets a written file as executable
DNS request
Runs as daemon
Sends data to a server
Connection attempt
Launching a process
Writes files to system directory
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
3
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
Status:
terminated
Behavior Graph:
%3 guuid=6b47bf6a-1900-0000-9cb1-d6ea7b0a0000 pid=2683 /usr/bin/sudo guuid=c3c3b76d-1900-0000-9cb1-d6ea850a0000 pid=2693 /tmp/sample.bin net guuid=6b47bf6a-1900-0000-9cb1-d6ea7b0a0000 pid=2683->guuid=c3c3b76d-1900-0000-9cb1-d6ea850a0000 pid=2693 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=c3c3b76d-1900-0000-9cb1-d6ea850a0000 pid=2693->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=4584fa6d-1900-0000-9cb1-d6ea860a0000 pid=2694 /tmp/sample.bin guuid=c3c3b76d-1900-0000-9cb1-d6ea850a0000 pid=2693->guuid=4584fa6d-1900-0000-9cb1-d6ea860a0000 pid=2694 clone guuid=215b096e-1900-0000-9cb1-d6ea870a0000 pid=2695 /tmp/sample.bin write-config zombie guuid=4584fa6d-1900-0000-9cb1-d6ea860a0000 pid=2694->guuid=215b096e-1900-0000-9cb1-d6ea870a0000 pid=2695 clone guuid=71698971-1900-0000-9cb1-d6ea920a0000 pid=2706 /usr/bin/dash guuid=215b096e-1900-0000-9cb1-d6ea870a0000 pid=2695->guuid=71698971-1900-0000-9cb1-d6ea920a0000 pid=2706 execve guuid=d2830474-1900-0000-9cb1-d6ea9a0a0000 pid=2714 /tmp/sample.bin delete-file dns net send-data guuid=215b096e-1900-0000-9cb1-d6ea870a0000 pid=2695->guuid=d2830474-1900-0000-9cb1-d6ea9a0a0000 pid=2714 clone guuid=4026c071-1900-0000-9cb1-d6ea940a0000 pid=2708 /usr/bin/cp guuid=71698971-1900-0000-9cb1-d6ea920a0000 pid=2706->guuid=4026c071-1900-0000-9cb1-d6ea940a0000 pid=2708 execve guuid=d2830474-1900-0000-9cb1-d6ea9a0a0000 pid=2714->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 30B 96fddf7d-a0d8-5efa-9fe5-4b09baec8f67 cnnetwork.uk:12121 guuid=d2830474-1900-0000-9cb1-d6ea9a0a0000 pid=2714->96fddf7d-a0d8-5efa-9fe5-4b09baec8f67 send: 17B
Result
Threat name:
Mirai, Xmrig
Detection:
malicious
Classification:
troj.evad.mine
Score:
92 / 100
Signature
Drops files in suspicious directories
Drops invisible ELF files
Found strings related to Crypto-Mining
Malicious sample detected (through community Yara rule)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1735748 Sample: morte.i686.elf Startdate: 14/07/2025 Architecture: LINUX Score: 92 32 cnnetwork.uk 104.164.104.15, 12121, 33892, 33894 EGIHOSTINGUS United States 2->32 40 Malicious sample detected (through community Yara rule) 2->40 42 Yara detected Mirai 2->42 44 Yara detected Xmrig cryptocurrency miner 2->44 46 Sample is packed with UPX 2->46 10 morte.i686.elf 2->10         started        signatures3 process4 signatures5 54 Found strings related to Crypto-Mining 10->54 13 morte.i686.elf 10->13         started        process6 process7 15 morte.i686.elf 13->15         started        file8 30 /etc/init.d/sysd, POSIX 15->30 dropped 34 Sample tries to set files in /etc globally writable 15->34 36 Drops files in suspicious directories 15->36 38 Sample tries to persist itself using System V runlevels 15->38 19 morte.i686.elf sh 15->19         started        21 morte.i686.elf 15->21         started        signatures9 process10 signatures11 24 sh cp 19->24         started        48 Sample deletes itself 21->48 process12 file13 28 /usr/bin/.sh, ELF 24->28 dropped 50 Drops invisible ELF files 24->50 52 Drops files in suspicious directories 24->52 signatures14
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-07-14 07:51:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery linux persistence rootkit upx
Behaviour
Reads runtime system information
Write file to user bin folder
Loads a kernel module
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:SUSP_ELF_LNX_UPX_Compressed_File
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
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
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 e55a4c994ea480147991ad39576dcbdbcc0f8d838f249d897ec58c5dbd498e39

(this sample)

  
Delivery method
Distributed via web download

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