MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db751fd8db933b446652fa0b5f116c18c5790add5140e9302bb3a36bfd785e1c. 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 6 File information Comments

SHA256 hash: db751fd8db933b446652fa0b5f116c18c5790add5140e9302bb3a36bfd785e1c
SHA3-384 hash: 777e8434c3d0049869f534b5dcff973e829401cb14292ae57b56367f7afba6a67f88950b43e18348ce80bb8777146d4b
SHA1 hash: 2aca0406dbde415af26b3e1cdda93e666eeb3be4
MD5 hash: 12d00f7bbba3f27f496d6e5c9ee7a45a
humanhash: hot-zulu-oklahoma-nebraska
File name:armv4l
Download: download sample
Signature Mirai
File size:151'392 bytes
First seen:2025-07-13 01:44:58 UTC
Last seen:2025-07-13 18:31:55 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:jbpAkVZgp1l5WsHUR1vLVEmowEsqA5UAOE0LHtVdEcCRJ:jbpAkVZCW7p5Emow5qA+NE07tVacCR
TLSH T19BE30846FC418B12C6C655BBFF5E428C7B270B69D3EE72039D256F20378A95B0E3A142
telfhash t1f931f0a3cb884dfc93e4dd2dd6ce2122236030aaeb7210275b3a4f1bca430c2b434d19
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 :
2
# of downloads :
24
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
179
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=5b568afc-1900-0000-e1eb-d42f2e0c0000 pid=3118 /usr/bin/sudo guuid=a15642ff-1900-0000-e1eb-d42f350c0000 pid=3125 /tmp/sample.bin guuid=5b568afc-1900-0000-e1eb-d42f2e0c0000 pid=3118->guuid=a15642ff-1900-0000-e1eb-d42f350c0000 pid=3125 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: 1735055 Sample: armv4l.elf Startdate: 13/07/2025 Architecture: LINUX Score: 88 35 87.121.84.210, 49884, 49886, 49888 SKATTV-ASBG Bulgaria 2->35 45 Found malware configuration 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected Gafgyt 2->49 51 Yara detected Mirai 2->51 10 armv4l.elf 2->10         started        signatures3 process4 signatures5 53 Sample tries to set files in /etc globally writable 10->53 55 Drops files in suspicious directories 10->55 57 Sample tries to persist itself using System V runlevels 10->57 13 armv4l.elf 10->13         started        15 armv4l.elf sh 10->15         started        process6 process7 17 armv4l.elf 13->17         started        21 sh cp 15->21         started        file8 31 /etc/init.d/sysd, POSIX 17->31 dropped 37 Sample tries to set files in /etc globally writable 17->37 39 Drops files in suspicious directories 17->39 41 Sample tries to persist itself using System V runlevels 17->41 23 armv4l.elf sh 17->23         started        25 armv4l.elf 17->25         started        43 Drops invisible ELF files 21->43 signatures9 process10 process11 27 sh cp 23->27         started        file12 33 /usr/bin/.sh, ELF 27->33 dropped 59 Drops invisible ELF files 27->59 61 Drops files in suspicious directories 27->61 signatures13
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2025-07-13 01:45:10 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 db751fd8db933b446652fa0b5f116c18c5790add5140e9302bb3a36bfd785e1c

(this sample)

  
Delivery method
Distributed via web download

Comments