MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1b7623d37a8540e38f18b56dffd692e84c1bcca672ed58bfec64921f7aa8e63. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a1b7623d37a8540e38f18b56dffd692e84c1bcca672ed58bfec64921f7aa8e63
SHA3-384 hash: a9406a6f158550dedd933e9d06b196a626b8b40bd102c6efce3d518495027a72607f40a5b29725bf1a7577c6c8b2a8a8
SHA1 hash: c56185789153d1ffc11fc1d1f7ac82fa982ecc78
MD5 hash: 5c33789241b8dfc6edfdacd1a650367b
humanhash: mirror-kilo-ceiling-timing
File name:putita.arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:128'448 bytes
First seen:2026-07-17 00:31:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:N2348J4ZU5Ng4EpPOoX9tUWcYEEUv57pMx2+jSOBFt7QUkZu+Af1Dl:N2oc6PuWcYEEUv57pK2GvBFzA5A95
TLSH T18FC339A9F890DE52C6D1267AF75E518C33231378C3DE7106CE249E3477EB95A0A3E942
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 3e24ad303b4fe1d1715656a959aa40aa036128f694fa059377bac2b247ba788c
File size (compressed) :55'164 bytes
File size (de-compressed) :128'448 bytes
Format:linux/arm
Packed file: 3e24ad303b4fe1d1715656a959aa40aa036128f694fa059377bac2b247ba788c

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.ELF.Mirai-DJZ.92862293.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
51
Number of processes launched:
16
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a1b7623d37a8540e38f18b56dffd692e84c1bcca672ed58bfec64921f7aa8e63
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-16T22:10:00Z UTC
Last seen:
2026-07-18T19:41:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a1b7623d37a8540e38f18b56dffd692e84c1bcca672ed58bfec64921f7aa8e63/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f47a5ef5-2793-4b01-863c-792c38ee7ab5
Behavior Graph:
Download SVG
%3 guuid=ea56e700-1b00-0000-4ee2-991b790b0000 pid=2937 /usr/bin/sudo guuid=91953a03-1b00-0000-4ee2-991b7f0b0000 pid=2943 /tmp/sample.bin guuid=ea56e700-1b00-0000-4ee2-991b790b0000 pid=2937->guuid=91953a03-1b00-0000-4ee2-991b7f0b0000 pid=2943 execve
Gathering data
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a1b7623d37a8540e38f18b56dffd692e84c1bcca672ed58bfec64921f7aa8e63
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a1b7623d37a8540e38f18b56dffd692e84c1bcca672ed58bfec64921f7aa8e63/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-17 00:31:45 UTC
File Type:
ELF32 Little (SO)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ug3wepjxvbka4ohrrnln77ljf2cmdpgkm4xnlc76yzesd55krzrq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion execution persistence privilege_escalation
Link:
https://tria.ge/reports/260717-avdhfab15s/
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.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/a1b7623d37a8540e38f18b56dffd692e84c1bcca672ed58bfec64921f7aa8e63

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
Create hunting rule
Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:unixredflags3
Create hunting rule
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 3e24ad303b4fe1d1715656a959aa40aa036128f694fa059377bac2b247ba788c

Mirai

elf a1b7623d37a8540e38f18b56dffd692e84c1bcca672ed58bfec64921f7aa8e63

(this sample)

  
Dropped by
SHA256 3e24ad303b4fe1d1715656a959aa40aa036128f694fa059377bac2b247ba788c
  
Dropped by
MD5 444b80f6b6d09a131a7b8d322a44fd8f
  
URLhaus
https://urlhaus.abuse.ch/url/3885285/
  
Delivery method
Distributed via web download

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