MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d7351641e2499d56ec8c185cba2dc33561bb3e905b226c20b0a3889200973ebd. 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 4 File information Comments

SHA256 hash: d7351641e2499d56ec8c185cba2dc33561bb3e905b226c20b0a3889200973ebd
SHA3-384 hash: 4bf37bc0264d64fa4cc0edd4e917536b6ae7aa8304d071ca070cd9ad9e4bd515af65880c7cd565c4e82ea24fa0723fb7
SHA1 hash: f29b77cb41621daf41595ea5f641aa5f86177d56
MD5 hash: c2242f9581d6e6b26af520f037def74f
humanhash: stream-finch-failed-butter
File name:x86_64
Download: download sample
Signature Mirai
File size:57'064 bytes
First seen:2025-08-02 20:59:52 UTC
Last seen:2025-08-03 00:22:17 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:cMcZi6yAs9gfVqrsrN+KLXHfCIryGAc9MwVvfgk2AQW:cMc03AXVqrWbbbASMQxQW
TLSH T1754302ED4256A635EEA2F738BEFE461BBC743A47D2D1550C389FD9C84B20A78150B01E
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) :57'064 bytes
File size (de-compressed) :152'752 bytes
Format:linux/amd64
Unpacked file: c098a8e5c2ddfedb7ab47fcef1265fcc6e68df33992f3972a8266b5328bf7b33

Intelligence


File Origin
# of uploads :
4
# of downloads :
24
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Runs as daemon
Sets a written file as executable
Launching a process
Substitutes an application name
Writes files to system directory
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
2
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=96c5b37c-1c00-0000-28a3-50977b090000 pid=2427 /usr/bin/sudo guuid=2ec7067f-1c00-0000-28a3-509783090000 pid=2435 /tmp/sample.bin write-config write-file guuid=96c5b37c-1c00-0000-28a3-50977b090000 pid=2427->guuid=2ec7067f-1c00-0000-28a3-509783090000 pid=2435 execve guuid=08f72180-1c00-0000-28a3-509785090000 pid=2437 /usr/bin/dash guuid=2ec7067f-1c00-0000-28a3-509783090000 pid=2435->guuid=08f72180-1c00-0000-28a3-509785090000 pid=2437 execve guuid=c0163582-1c00-0000-28a3-50978a090000 pid=2442 /tmp/sample.bin zombie guuid=2ec7067f-1c00-0000-28a3-509783090000 pid=2435->guuid=c0163582-1c00-0000-28a3-50978a090000 pid=2442 clone guuid=173b7f80-1c00-0000-28a3-509786090000 pid=2438 /usr/bin/cp guuid=08f72180-1c00-0000-28a3-509785090000 pid=2437->guuid=173b7f80-1c00-0000-28a3-509786090000 pid=2438 execve guuid=87433e82-1c00-0000-28a3-50978b090000 pid=2443 /tmp/sample.bin write-config zombie guuid=c0163582-1c00-0000-28a3-50978a090000 pid=2442->guuid=87433e82-1c00-0000-28a3-50978b090000 pid=2443 clone guuid=8e067382-1c00-0000-28a3-50978c090000 pid=2444 /usr/bin/dash guuid=87433e82-1c00-0000-28a3-50978b090000 pid=2443->guuid=8e067382-1c00-0000-28a3-50978c090000 pid=2444 execve guuid=b481af83-1c00-0000-28a3-509792090000 pid=2450 /tmp/sample.bin net guuid=87433e82-1c00-0000-28a3-50978b090000 pid=2443->guuid=b481af83-1c00-0000-28a3-509792090000 pid=2450 clone guuid=b241a182-1c00-0000-28a3-50978e090000 pid=2446 /usr/bin/cp guuid=8e067382-1c00-0000-28a3-50978c090000 pid=2444->guuid=b241a182-1c00-0000-28a3-50978e090000 pid=2446 execve e53fe42a-4c6d-589a-a292-144c89ee7ee5 152.53.209.147:9999 guuid=b481af83-1c00-0000-28a3-509792090000 pid=2450->e53fe42a-4c6d-589a-a292-144c89ee7ee5 con guuid=0e15b883-1c00-0000-28a3-509793090000 pid=2451 /tmp/sample.bin zombie guuid=b481af83-1c00-0000-28a3-509792090000 pid=2450->guuid=0e15b883-1c00-0000-28a3-509793090000 pid=2451 clone guuid=b77ebe83-1c00-0000-28a3-509794090000 pid=2452 /tmp/sample.bin guuid=0e15b883-1c00-0000-28a3-509793090000 pid=2451->guuid=b77ebe83-1c00-0000-28a3-509794090000 pid=2452 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Signature
Drops files in suspicious directories
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1749195 Sample: x86_64.elf Startdate: 02/08/2025 Architecture: LINUX Score: 72 51 152.53.209.147, 53530, 9999 NCRENUS United States 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Sample is packed with UPX 2->55 11 x86_64.elf 2->11         started        14 gnome-session-binary sh gsd-print-notifications 2->14         started        16 xfce4-panel wrapper-2.0 2->16         started        18 4 other processes 2->18 signatures3 process4 signatures5 61 Sample tries to set files in /etc globally writable 11->61 63 Drops files in suspicious directories 11->63 65 Sample tries to persist itself using System V runlevels 11->65 20 x86_64.elf 11->20         started        22 x86_64.elf sh 11->22         started        24 gsd-print-notifications 14->24         started        process6 process7 26 x86_64.elf 20->26         started        30 sh cp 22->30         started        32 gsd-print-notifications gsd-printer 24->32         started        file8 49 /etc/init.d/sysd, POSIX 26->49 dropped 67 Sample tries to set files in /etc globally writable 26->67 69 Drops files in suspicious directories 26->69 71 Sample tries to persist itself using System V runlevels 26->71 34 x86_64.elf sh 26->34         started        36 x86_64.elf 26->36         started        73 Drops invisible ELF files 30->73 signatures9 process10 process11 38 sh cp 34->38         started        42 x86_64.elf 36->42         started        file12 47 /usr/bin/.sh, ELF 38->47 dropped 57 Drops invisible ELF files 38->57 59 Drops files in suspicious directories 38->59 44 x86_64.elf 42->44         started        signatures13 process14 signatures15 75 Sample tries to kill multiple processes (SIGKILL) 44->75
Threat name:
Linux.Trojan.Multiverze
Status:
Malicious
First seen:
2025-08-02 21:01:27 UTC
File Type:
ELF64 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery linux persistence upx
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
UPX packed file
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
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 d7351641e2499d56ec8c185cba2dc33561bb3e905b226c20b0a3889200973ebd

(this sample)

  
Delivery method
Distributed via web download

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