MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cdbc51fe148f6049365cfcb0be0a23b3f20fa2cf4afc5011bb29c0856f9f8653. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments

SHA256 hash: cdbc51fe148f6049365cfcb0be0a23b3f20fa2cf4afc5011bb29c0856f9f8653
SHA3-384 hash: 84d10763767187a43232ff654aff7564f8adfcb844a7049998270097462fb1c78fe40eac5423d2ddd9c4203208505bb3
SHA1 hash: 3af0661b79259a55c5d3ef36569f71b3e74761fb
MD5 hash: 89bf1eb34629356e6a2fd7384c9d5e27
humanhash: juliet-alanine-island-west
File name:armv4l
Download: download sample
Signature Mirai
File size:151'680 bytes
First seen:2025-07-11 11:56:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:tRohTp2oSS0ntPCYk1GoGsVZwqnWZN0w05pzAVBi:tRohTp2rFqcvsVZwwWZWbpzAVo
TLSH T1ADE30746F9418B13C6C615BBFF4E428D7B2B1769D3EE72039D256F21378B85A0E3A142
telfhash t18a318292cf0c2edca7e4c88845eeb13e32d5326b3e2a24864a5f5e5b45432c1f03900e
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 gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
17
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
android gafgyt rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
177
Number of processes launched:
7
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=b052a9ff-1c00-0000-8a1f-e57c59090000 pid=2393 /usr/bin/sudo guuid=d42d1502-1d00-0000-8a1f-e57c5c090000 pid=2396 /tmp/sample.bin guuid=b052a9ff-1c00-0000-8a1f-e57c59090000 pid=2393->guuid=d42d1502-1d00-0000-8a1f-e57c5c090000 pid=2396 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
Drops files in suspicious directories
Drops invisible ELF files
Found malware configuration
Multi AV Scanner detection for submitted file
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1733811 Sample: armv4l.elf Startdate: 11/07/2025 Architecture: LINUX Score: 88 39 87.121.84.210, 53638, 63644 SKATTV-ASBG Bulgaria 2->39 41 109.202.202.202, 80 INIT7CH Switzerland 2->41 43 4 other IPs or domains 2->43 49 Found malware configuration 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected Gafgyt 2->53 55 Yara detected Mirai 2->55 10 armv4l.elf 2->10         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 signatures5 65 Sample tries to set files in /etc globally writable 10->65 67 Drops files in suspicious directories 10->67 69 Sample tries to persist itself using System V runlevels 10->69 17 armv4l.elf 10->17         started        19 armv4l.elf sh 10->19         started        process6 process7 21 armv4l.elf 17->21         started        25 sh cp 19->25         started        file8 35 /etc/init.d/sysd, POSIX 21->35 dropped 57 Sample tries to set files in /etc globally writable 21->57 59 Drops files in suspicious directories 21->59 61 Sample tries to persist itself using System V runlevels 21->61 27 armv4l.elf sh 21->27         started        29 armv4l.elf 21->29         started        63 Drops invisible ELF files 25->63 signatures9 process10 process11 31 sh cp 27->31         started        file12 37 /usr/bin/.sh, ELF 31->37 dropped 45 Drops invisible ELF files 31->45 47 Drops files in suspicious directories 31->47 signatures13
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2025-07-11 11:57:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery persistence
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:testlumma
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


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

Web download

Mirai

elf cdbc51fe148f6049365cfcb0be0a23b3f20fa2cf4afc5011bb29c0856f9f8653

(this sample)

  
Delivery method
Distributed via web download

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