MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8b42fae721dcbf760f31ec9d797ddaedb6479b52e70807de162a8af4a3b4059. 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: 6


Intelligence 6 IOCs YARA 4 File information Comments

SHA256 hash: a8b42fae721dcbf760f31ec9d797ddaedb6479b52e70807de162a8af4a3b4059
SHA3-384 hash: 881602ba68d7cabecf31dcd5b24a1ef29d87e6932df01f52bde5b32b6ef7c102299cce2b5a2fa881d936aa4c707b85f6
SHA1 hash: 761df0f0ecb4ea6ef8967ad642ce38c291c9dc69
MD5 hash: 07585d6a8597953165801a4f3acf5f2e
humanhash: solar-lemon-spaghetti-vermont
File name:putita.arm7
Download: download sample
Signature Mirai
File size:124'356 bytes
First seen:2026-07-16 16:55:57 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:1UPRDjpzcY3o1iWEeUQ4g8OoCqF/EM2NANWJ7DmG3f1Dl2:1UJDVzcYleUQ4g8OdqFsMUJ7D/3952
TLSH T194C32B99F890DE42C6D1267AFA5E414C332353B8C3DA7206CD249F3477EBD5A0E7A942
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 d566f2437e12fa4f460dbc8dabfa6faa6a1ba8f13395e333778a0de443140cb2
File size (compressed) :53'312 bytes
File size (de-compressed) :124'356 bytes
Format:linux/arm
Packed file: d566f2437e12fa4f460dbc8dabfa6faa6a1ba8f13395e333778a0de443140cb2

Intelligence


File Origin
# of uploads :
1
# of downloads :
84
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc masquerade rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-16T15:09:00Z UTC
Last seen:
2026-07-18T15:29:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=e186ea46-1900-0000-001e-d7f134140000 pid=5172 /usr/bin/sudo guuid=e1cf9a4c-1900-0000-001e-d7f135140000 pid=5173 /tmp/sample.bin guuid=e186ea46-1900-0000-001e-d7f134140000 pid=5172->guuid=e1cf9a4c-1900-0000-001e-d7f135140000 pid=5173 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-07-16 16:56:42 UTC
File Type:
ELF32 Little (SO)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion execution persistence privilege_escalation
Behaviour
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Modifies init.d
Modifies rc script
Modifies systemd
Deletes itself
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:elf_arm_mips_ko_so
Rule name:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
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 a8b42fae721dcbf760f31ec9d797ddaedb6479b52e70807de162a8af4a3b4059

(this sample)

  
Delivery method
Distributed via web download

Comments