MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f40e73a84e77e83a454da3ee487429836e3bdec4ceffc19d0d26c4901a911dd. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: 5f40e73a84e77e83a454da3ee487429836e3bdec4ceffc19d0d26c4901a911dd
SHA3-384 hash: 59cca93656ea4af73ffe9483c68089b70c432ece12eb6c9436c39c0ab65f7e278f47a17f5ed40d36d6f94897406bdb19
SHA1 hash: c66fdaa19f122bd1e947c634f2f66e5f2553dd9b
MD5 hash: bfc0c79a4f5205adc2d764964124db7f
humanhash: helium-pasta-seven-fifteen
File name:morte.x86_64
Download: download sample
Signature Mirai
File size:37'536 bytes
First seen:2025-07-04 22:50:11 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:c+yOwmfKGYbK6sQ6E1I5YQWrMWhiSGvSBJ5vC3As1f6zFx09w:cfOwFGYu7O7hTLBJ5vCws45cw
TLSH T1B2F2E1FBE132FAF3E8278D7C011C0C40E5B9B4482A465137F6E5B0BF1D92A463A64B95
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 :
1
# of downloads :
11
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
DNS request
Runs as daemon
Deletes a file
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
obfuscated packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
134
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=7bfe0494-1a00-0000-1312-ad69dc0b0000 pid=3036 /usr/bin/sudo guuid=52be7a96-1a00-0000-1312-ad69e50b0000 pid=3045 /tmp/sample.bin mprotect-exec net guuid=7bfe0494-1a00-0000-1312-ad69dc0b0000 pid=3036->guuid=52be7a96-1a00-0000-1312-ad69e50b0000 pid=3045 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=52be7a96-1a00-0000-1312-ad69e50b0000 pid=3045->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=5c97f796-1a00-0000-1312-ad69e80b0000 pid=3048 /tmp/sample.bin guuid=52be7a96-1a00-0000-1312-ad69e50b0000 pid=3045->guuid=5c97f796-1a00-0000-1312-ad69e80b0000 pid=3048 clone guuid=b531fc96-1a00-0000-1312-ad69e90b0000 pid=3049 /tmp/sample.bin delete-file dns net send-data zombie guuid=52be7a96-1a00-0000-1312-ad69e50b0000 pid=3045->guuid=b531fc96-1a00-0000-1312-ad69e90b0000 pid=3049 clone guuid=b531fc96-1a00-0000-1312-ad69e90b0000 pid=3049->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 32B 4fd94640-5d8c-5b00-9f19-551fe5384583 jbvpshosti.ink:12121 guuid=b531fc96-1a00-0000-1312-ad69e90b0000 pid=3049->4fd94640-5d8c-5b00-9f19-551fe5384583 send: 10B guuid=dfad0897-1a00-0000-1312-ad69ea0b0000 pid=3050 /tmp/sample.bin guuid=b531fc96-1a00-0000-1312-ad69e90b0000 pid=3049->guuid=dfad0897-1a00-0000-1312-ad69ea0b0000 pid=3050 clone
Result
Threat name:
Mirai, Xmrig
Detection:
malicious
Classification:
troj.evad.mine
Score:
84 / 100
Signature
Found strings related to Crypto-Mining
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1729036 Sample: morte.x86_64.elf Startdate: 05/07/2025 Architecture: LINUX Score: 84 22 jbvpshosti.ink 196.251.86.61, 12121, 44258, 44260 SONIC-WirelessZA Seychelles 2->22 24 109.202.202.202, 80 INIT7CH Switzerland 2->24 26 3 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Mirai 2->32 34 2 other signatures 2->34 8 morte.x86_64.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 signatures5 36 Found strings related to Crypto-Mining 8->36 15 morte.x86_64.elf 8->15         started        18 morte.x86_64.elf 8->18         started        process6 signatures7 38 Sample deletes itself 15->38 20 morte.x86_64.elf 15->20         started        process8
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-07-04 22:50:19 UTC
File Type:
ELF64 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet credential_access defense_evasion discovery linux upx
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Enumerates running processes
Writes file to system bin folder
Deletes itself
Modifies Watchdog functionality
Mirai
Mirai family
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 5f40e73a84e77e83a454da3ee487429836e3bdec4ceffc19d0d26c4901a911dd

(this sample)

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments